Merge remote-tracking branch 'origin/main' into mbg/refactor-util/errors

Avoid using `-latest` runner labels in CI

.github/actions/prepare-test/action.yml

@@ -6,11 +6,11 @@ inputs:
     required: true
   use-all-platform-bundle:
     description: "If true, we output a tools URL with codeql-bundle.tar.gz file rather than platform-specific URL"
-    default: 'false'
+    default: "false"
     required: false
   setup-kotlin:
     description: "If true, we setup kotlin"
-    default: 'true'
+    default: "true"
     required: true
 outputs:
   tools-url:
@@ -73,7 +73,10 @@ runs:
           exit 1
         fi
 
-    - uses: fwilhe2/setup-kotlin@9c245a6425255f5e98ba1ce6c15d31fce7eca9da
+    - uses: fwilhe2/setup-kotlin@b325539ca8f6e1d9ee04efed06f49bdbf5426dbb # v2.1
       if: ${{ inputs.setup-kotlin == 'true' }}
       with:
-        version: 1.8.21
+        # Kotlin is installed on the runners by default, but the version that is pre-installed is too new
+        # to be supported by CodeQL. This Kotlin version is selected to be compatible with both the default Java
+        # version on the `ubuntu-latest` runners and CodeQL.
+        version: 2.1.20

.github/actions/release-initialise/action.yml

@@ -16,7 +16,7 @@ runs:
       shell: bash
 
     - name: Set up Node
-      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+      uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
       with:
         node-version: 24
         cache: 'npm'

.github/dependabot.yml

@@ -16,6 +16,14 @@ updates:
       # This might be fixed when we move to eslint v9.
       - dependency-name: "eslint-plugin-import"
         versions: [">=2.30.0"]
+
+      # Some of our dependencies are lagging behind with support for new versions of
+      # `undici` which is why we have to override it in `package.json`. Dependabot
+      # workflows fail when they try to update a dependency that is explicitly
+      # overriden. Since this happens somewhat routinely at the moment, we are
+      # excluding `undici` here and have to manually update it when needed.
+      - dependency-name: "undici"
+        versions: [">=7.30.1"]
     groups:
       npm-minor:
         patterns:
@@ -26,7 +34,7 @@ updates:
   - package-ecosystem: github-actions
     directories:
       - "/.github/workflows"
-      - "/.github/actions"
+      - "/.github/actions/*/"
     schedule:
       interval: weekly
     cooldown:

.github/workflows/__all-platform-bundle.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
             version: nightly-latest
     name: All-platform bundle
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__analysis-kinds.yml

@@ -34,28 +34,28 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
             analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
             analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
             analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
             analysis-kinds: risk-assessment
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
             analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
             analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
             analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
             analysis-kinds: risk-assessment
     name: Analysis kinds

.github/workflows/__analyze-ref-input.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
     name: "Analyze: 'ref' and 'sha' from inputs"
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__autobuild-action.yml

@@ -44,11 +44,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: windows-latest
+          - os: windows-2025
             version: linked
     name: autobuild-action
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__autobuild-direct-tracing-with-working-dir.yml

@@ -44,13 +44,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: windows-latest
+          - os: windows-2025
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
             version: nightly-latest
     name: Autobuild direct tracing (custom working directory)
     if: github.triggering_actor != 'dependabot[bot]'
@@ -63,7 +63,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install Java
-        uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
+        uses: actions/setup-java@b843ebf9b913146b38da2eaa7aeddf76074ae1ad # v6.1.0
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin

.github/workflows/__autobuild-working-dir.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Autobuild working directory
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-autobuild.yml

@@ -44,13 +44,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: windows-latest
+          - os: windows-2025
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
             version: nightly-latest
     name: Build mode autobuild
     if: github.triggering_actor != 'dependabot[bot]'
@@ -63,7 +63,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install Java
-        uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
+        uses: actions/setup-java@b843ebf9b913146b38da2eaa7aeddf76074ae1ad # v6.1.0
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin

.github/workflows/__build-mode-manual.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Build mode manual
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-none.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Build mode none
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-rollback.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Build mode rollback
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__bundle-from-nightly.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: 'Bundle: From nightly'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__bundle-from-toolcache.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: toolcache
     name: 'Bundle: From toolcache'
     if: github.triggering_actor != 'dependabot[bot]'
@@ -46,6 +46,15 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -53,31 +62,20 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
-      - name: Install @actions/tool-cache
-        run: npm install @actions/tool-cache@3
       - name: Check toolcache contains CodeQL
         continue-on-error: true
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const toolcache = require('@actions/tool-cache');
-            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-            if (allCodeqlVersions.length === 0) {
-              throw new Error(`CodeQL could not be found in the toolcache`);
-            }
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts installed
+
       - id: setup-codeql
         uses: ./../action/setup-codeql
         with:
           tools: ${{ steps.prepare-test.outputs.tools-url }}
+
       - name: Check CodeQL is installed within the toolcache
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const toolcache = require('@actions/tool-cache');
-            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-            console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
-            if (allCodeqlVersions.length === 0) {
-              throw new Error('CodeQL not found in toolcache');
-            }
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts installed
     env:
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__bundle-toolcache.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: windows-latest
+          - os: windows-2025
             version: linked
     name: 'Bundle: Caching checks'
     if: github.triggering_actor != 'dependabot[bot]'
@@ -50,6 +50,15 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -58,47 +67,30 @@ jobs:
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
       - name: Remove CodeQL from toolcache
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const fs = require('fs');
-            const path = require('path');
-            const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
-            fs.rmdirSync(codeqlPath, { recursive: true });
-      - name: Install @actions/tool-cache
-        run: npm install @actions/tool-cache@3
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts clear
+
       - name: Check toolcache does not contain CodeQL
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const toolcache = require('@actions/tool-cache');
-            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-            if (allCodeqlVersions.length !== 0) {
-              throw new Error(`CodeQL should not be found in the toolcache, but found ${allCodeqlVersions}`);
-            }
-            console.log('No versions of CodeQL found in the toolcache');
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts absent
+
       - id: init
         uses: ./../action/init
         with:
           # Request multiple languages so this check uses the combined bundle.
           languages: javascript,python
           tools: ${{ steps.prepare-test.outputs.tools-url }}
+
       - uses: ./../action/analyze
         with:
           output: ${{ runner.temp }}/results
           upload-database: false
+
       - name: Check CodeQL is installed within the toolcache
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const toolcache = require('@actions/tool-cache');
-            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-            console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
-            if (allCodeqlVersions.length === 0) {
-              throw new Error('CodeQL not found in toolcache');
-            }
-            if (allCodeqlVersions.length > 1) {
-              throw new Error('Multiple CodeQL versions found in toolcache');
-            }
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts installed -n 1
     env:
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__cleanup-db-cluster-dir.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Clean up database cluster directory
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__config-export.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Config export
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__config-input.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Config input
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-disabled.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'C/C++: disabling autoinstalling dependencies (Linux)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-enabled-on-macos.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: 'C/C++: autoinstalling dependencies is skipped (macOS)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-enabled.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'C/C++: autoinstalling dependencies (Linux)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__diagnostics-export.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Diagnostic export
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__diagnostics-without-db.yml

@@ -0,0 +1,143 @@
+# Warning: This file is generated automatically, and should not be modified.
+# Instead, please modify the template in the pr-checks directory and run:
+#     pr-checks/sync.sh
+# to regenerate this file.
+
+name: PR Check - Diagnostic export without database
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  GO111MODULE: auto
+on:
+  push:
+    branches:
+      - main
+      - releases/v*
+  pull_request: {}
+  merge_group:
+    types:
+      - checks_requested
+  schedule:
+    - cron: '0 5 * * *'
+  workflow_dispatch:
+    inputs: {}
+  workflow_call:
+    inputs: {}
+defaults:
+  run:
+    shell: bash
+concurrency:
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
+  group: diagnostics-without-db-${{github.ref}}
+jobs:
+  diagnostics-without-db:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-26.04
+            version: linked
+    name: Diagnostic export without database
+    if: github.triggering_actor != 'dependabot[bot]'
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 45
+    runs-on: ${{ matrix.os }}
+    steps:
+      # We deliberately need to make this step fail before the database is initialised, but after
+      # some diagnostic has been produced. The simplest way to do that right now is to:
+      #
+      # - Produce a diagnostic before the db is initialised by forcing the use of a nightly release
+      #   with the `CODEQL_ACTION_FORCE_NIGHTLY` feature flag.
+      # - Cause `init` to abort because we are attempting to analyse Swift on a non-macOS runner.
+      #
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Prepare test
+        id: prepare-test
+        uses: ./.github/actions/prepare-test
+        with:
+          version: ${{ matrix.version }}
+          use-all-platform-bundle: 'false'
+          setup-kotlin: 'true'
+      - name: Initialise failing analysis
+        id: init
+        uses: ./../action/init
+        continue-on-error: true
+        env:
+          CODEQL_ACTION_FORCE_NIGHTLY: true
+        with:
+          languages: swift
+          tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+      - name: Analyze
+        uses: ./analyze
+        # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
+        # above, we manually disable it with an `if` condition. Having this step is required
+        # for the init post-action because it checks the workflow definition for e.g. the
+        # `category` input. Without this step, that part of the init post-action would fail.
+        if: false
+        with:
+          category: '/test-codeql-version:${{ matrix.version }}'
+
+      - name: Check diagnostics appear on disk
+        env:
+          DIAGNOSTICS_DIR: '${{ runner.temp }}/codeql-action-temp-diagnostics/'
+        run: |
+          cd ../action
+          npx tsx ./pr-checks/diagnostics-without-db.ts
+    env:
+      CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+      CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+      CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+      CODEQL_ACTION_TEST_MODE: true
+  diagnostics-without-db-validation:
+    if: github.triggering_actor != 'dependabot[bot]'
+    needs:
+      - diagnostics-without-db
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 5
+    runs-on: ubuntu-26.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Download workflow artifact
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/codeql-failed-run.sarif"
+          DIAGNOSTIC_ID: "codeql-action/forced-nightly-cli"
+          DIAGNOSTIC_NAME: "A nightly release of CodeQL was used"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            GitHub configured this analysis to use a nightly release of CodeQL to allow you to preview changes from an upcoming release.
+        run: npx tsx ./pr-checks/check-diagnostics.ts
+    env:
+      CODEQL_ACTION_TEST_MODE: true

.github/workflows/__export-file-baseline-information.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
             version: nightly-latest
     name: Export file baseline information
     if: github.triggering_actor != 'dependabot[bot]'
@@ -91,6 +91,11 @@ jobs:
         with:
           languages: javascript
           tools: ${{ steps.prepare-test.outputs.tools-url }}
+          # To balance speed and coverage, analyze only JavaScript but use the combined bundle so
+          # baseline information is reported for every language in the multi-language repository. A
+          # custom configuration prevents per-language bundles from being used.
+          config: |
+            paths-ignore: []
       - name: Build code
         run: ./build.sh
       - uses: ./../action/analyze
@@ -124,5 +129,4 @@ jobs:
     env:
       CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
       CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
-      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__extractor-ram-threads.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Extractor ram and threads options test
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__global-proxy.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Proxy test
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-custom-queries.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Go: Custom queries'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
     name: 'Go: diagnostic when Go is changed after init step'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
     name: 'Go: diagnostic when `file` is not installed'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
     name: 'Go: workaround for indirect tracing'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-autobuilder.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: 'Go: tracing with autobuilder step'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-custom-build-steps.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: 'Go: tracing with custom build steps'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-legacy-workflow.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: 'Go: tracing with legacy workflow'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__init-with-registries.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Packaging: Download using registries'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__javascript-source-root.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Custom source root
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__job-run-uuid-sarif.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Job run UUID added to SARIF
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__language-aliases.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Language aliases
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__local-bundle.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Local CodeQL bundle
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__multi-language-autodetect.yml

@@ -54,41 +54,41 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             version: stable-v2.20.7
           - os: macos-15-xlarge
             version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.21.4
           - os: macos-15-xlarge
             version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.22.4
           - os: macos-15-xlarge
             version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.23.9
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.24.3
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.25.6
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: nightly-latest
     name: Multi-language repository
     if: github.triggering_actor != 'dependabot[bot]'
@@ -121,7 +121,7 @@ jobs:
         # imports `importlib._bootstrap._ERR_MSG`, which those Python versions no longer define.
         # See https://github.com/github/codeql-action/pull/3212
         if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
         with:
           python-version: '3.13.15'
 

.github/workflows/__overlay-init-fallback.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Overlay database init fallback
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-codescanning-config-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Packaging: Config and input passed to the CLI'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-config-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Packaging: Config and input'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-config-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Packaging: Config file'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: 'Packaging: Action input'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__per-language-bundle-validation.yml

@@ -35,41 +35,41 @@ jobs:
       matrix:
         include:
           - language: actions
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
             expected-extractors: actions javascript
           - language: cpp
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
             build-mode: manual
             build-command: gcc -o main main.c
           - language: csharp
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
             build-mode: none
           - language: go
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
             build-mode: autobuild
           - language: java
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
             build-mode: none
           - language: javascript
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
           - language: python
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
           - language: ruby
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
           - language: rust
-            os: ubuntu-latest
-            version: nightly-latest
+            os: ubuntu-26.04
+            version: linked
           - language: swift
-            os: macos-latest-xlarge
-            version: nightly-latest
+            os: macos-26-xlarge
+            version: linked
             build-mode: autobuild
     name: Per-language bundles
     if: github.triggering_actor != 'dependabot[bot]'
@@ -81,6 +81,15 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -88,6 +97,10 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
+      - name: Remove CodeQL from toolcache
+        run: |
+          cd ./../action
+          npx tsx ./pr-checks/toolcache.ts clear
       - uses: ./../action/init
         id: init
         with:
@@ -128,9 +141,8 @@ jobs:
           CODEQL_PATH: ${{ steps.init.outputs.codeql-path }}
         run: |
           # A bundle that is missing most of its extractors must never be left in the toolcache,
-          # where a later job analyzing a different language could pick it up. The runner image
-          # ships with its own CodeQL in the toolcache, so check where this bundle was extracted to
-          # rather than whether the toolcache contains CodeQL at all.
+          # where a later job analyzing a different language could pick it up. Per-language bundles
+          # must instead be extracted under the runner's temporary directory.
           echo "CodeQL is at $CODEQL_PATH"
           if [[ "$CODEQL_PATH" == "$RUNNER_TOOL_CACHE"/* ]]; then
             echo "::error::The per-language bundle was added to the toolcache at $CODEQL_PATH."
@@ -160,5 +172,4 @@ jobs:
           fi
           echo "Created a ${LANGUAGE} database at ${database}."
     env:
-      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__remote-config.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Remote config file
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__resolve-environment-action.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Resolve environment
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__rubocop-multi-language.yml

@@ -1,74 +0,0 @@
-# Warning: This file is generated automatically, and should not be modified.
-# Instead, please modify the template in the pr-checks directory and run:
-#     pr-checks/sync.sh
-# to regenerate this file.
-
-name: PR Check - RuboCop multi-language
-env:
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  GO111MODULE: auto
-on:
-  push:
-    branches:
-      - main
-      - releases/v*
-  pull_request: {}
-  merge_group:
-    types:
-      - checks_requested
-  schedule:
-    - cron: '0 5 * * *'
-  workflow_dispatch:
-    inputs: {}
-  workflow_call:
-    inputs: {}
-defaults:
-  run:
-    shell: bash
-concurrency:
-  cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
-  group: rubocop-multi-language-${{github.ref}}
-jobs:
-  rubocop-multi-language:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-latest
-            version: default
-    name: RuboCop multi-language
-    if: github.triggering_actor != 'dependabot[bot]'
-    permissions:
-      contents: read
-      security-events: read
-    timeout-minutes: 45
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: Check out repository
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - name: Prepare test
-        id: prepare-test
-        uses: ./.github/actions/prepare-test
-        with:
-          version: ${{ matrix.version }}
-          use-all-platform-bundle: 'false'
-          setup-kotlin: 'true'
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
-        with:
-          ruby-version: 2.6
-      - name: Install Code Scanning integration
-        run: bundle add code-scanning-rubocop --version 0.3.0 --skip-install
-      - name: Install dependencies
-        run: bundle install
-      - name: RuboCop run
-        run: |
-          bash -c "
-            bundle exec rubocop --require code_scanning --format CodeScanning::SarifFormatter -o rubocop.sarif
-            [[ $? -ne 2 ]]
-          "
-      - uses: ./../action/upload-sarif
-        with:
-          sarif_file: rubocop.sarif
-    env:
-      CODEQL_ACTION_TEST_MODE: true

.github/workflows/__ruby.yml

@@ -34,17 +34,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: macos-latest
+          - os: macos-26
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: Ruby analysis
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__rust.yml

@@ -34,15 +34,15 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: stable-v2.22.1
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Rust analysis
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__split-workflow.yml

@@ -54,17 +54,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: macos-latest
+          - os: macos-26
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
             version: nightly-latest
     name: Split workflow
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__start-proxy.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: macos-latest
+          - os: macos-26
             version: linked
-          - os: windows-latest
+          - os: windows-2025
             version: linked
     name: Start proxy
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__submit-sarif-failure.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Submit SARIF after failure
     if: github.triggering_actor != 'dependabot[bot]'
@@ -71,7 +71,9 @@ jobs:
         run: exit 1
       - uses: ./analyze
         # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-        # above, we manually disable it with an `if` condition.
+        # above, we manually disable it with an `if` condition. Having this step is required
+        # for the init post-action because it checks the workflow definition for e.g. the
+        # `category` input. Without this step, that part of the init post-action would fail.
         if: false
         with:
           category: '/test-codeql-version:${{ matrix.version }}'

.github/workflows/__swift-autobuild.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: nightly-latest
     name: Swift analysis using autobuild
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__swift-custom-build.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: linked
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: default
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
             version: nightly-latest
     name: Swift analysis using a custom build command
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__unset-environment.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: nightly-latest
     name: Test unsetting environment variables
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__unsupported-macos.yml

@@ -0,0 +1,135 @@
+# Warning: This file is generated automatically, and should not be modified.
+# Instead, please modify the template in the pr-checks directory and run:
+#     pr-checks/sync.sh
+# to regenerate this file.
+
+name: PR Check - Unsupported macOS
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  GO111MODULE: auto
+on:
+  push:
+    branches:
+      - main
+      - releases/v*
+  pull_request: {}
+  merge_group:
+    types:
+      - checks_requested
+  schedule:
+    - cron: '0 5 * * *'
+  workflow_dispatch:
+    inputs: {}
+  workflow_call:
+    inputs: {}
+defaults:
+  run:
+    shell: bash
+concurrency:
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
+  group: unsupported-macos-${{github.ref}}
+jobs:
+  unsupported-macos:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: xcode-27
+            version: linked
+          - os: xcode-27
+            version: nightly-latest
+    name: Unsupported macOS
+    if: github.triggering_actor != 'dependabot[bot]'
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 45
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Prepare test
+        id: prepare-test
+        uses: ./.github/actions/prepare-test
+        with:
+          version: ${{ matrix.version }}
+          use-all-platform-bundle: 'false'
+          setup-kotlin: 'true'
+      - name: Check xcode_select_link
+        run: |
+          readlink /private/var/db/xcode_select_link
+          file -h /private/var/db/xcode_select_link
+
+      - uses: ./../action/init
+        id: init
+        continue-on-error: true
+        env:
+          CODEQL_ACTION_CHECK_UNSUPPORTED_TRACED_ANALYSIS: true
+          CODEQL_ACTION_ABORT_UNSUPPORTED_TRACED_ANALYSIS: true
+        with:
+          languages: swift
+          tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+      - name: Analyze
+        # We could run `analyze` here from `./../analyze`, but `getAnalyzeActionName` in `workflow.ts`
+        # can't cope with that unless we introduce a different testing environment. Since this step
+        # would just fail on `xcode-27` anyway, we just skip it instead.
+        if: false
+        uses: ./analyze
+        with:
+          category: '/test-codeql-version:${{ matrix.version }}'
+    env:
+      CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+      CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+      CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+      CODEQL_ACTION_TEST_MODE: true
+  unsupported-macos-sarif-checks:
+    if: github.triggering_actor != 'dependabot[bot]'
+    needs:
+      - unsupported-macos
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 5
+    runs-on: ubuntu-26.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Download workflow artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/"
+          DIAGNOSTIC_ID: "codeql-action/unsupported-traced-analysis-macos"
+          DIAGNOSTIC_NAME: "Traced analysis is not supported on this version of macOS"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            Traced analysis is not supported on macOS 27 or above.
+        run: npx tsx ./pr-checks/check-diagnostics.ts
+    env:
+      CODEQL_ACTION_TEST_MODE: true

.github/workflows/__upload-ref-sha-input.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
     name: "Upload-sarif: 'ref' and 'sha' from inputs"
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__upload-sarif.yml

@@ -54,13 +54,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
             analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
             analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: default
             analysis-kinds: code-scanning,code-quality
     name: Test different uses of `upload-sarif`

.github/workflows/__with-checkout-path.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             version: linked
     name: Use a custom `checkout_path`
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/codeql.yml

@@ -22,7 +22,7 @@ jobs:
   # Identify the CodeQL tool versions to use in the analysis job.
   check-codeql-versions:
     if: github.triggering_actor != 'dependabot[bot]'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     outputs:
       versions: ${{ steps.compare.outputs.versions }}
 
@@ -106,7 +106,7 @@ jobs:
 
   analyze-other:
     if: github.triggering_actor != 'dependabot[bot]'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     strategy:
       fail-fast: false

.github/workflows/codescanning-config-cli.yml

@@ -41,11 +41,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
           version: linked
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
           version: default
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
           version: nightly-latest
 
     # Code-Scanning config not created because environment variable is not set

.github/workflows/debug-artifacts-failure-safe.yml

@@ -6,13 +6,13 @@ env:
 on:
   push:
     branches:
-    - main
-    - releases/v*
+      - main
+      - releases/v*
   pull_request:
   merge_group:
     types: [checks_requested]
   schedule:
-    - cron: '0 5 * * *'
+    - cron: "0 5 * * *"
   workflow_dispatch:
 
 concurrency:
@@ -30,10 +30,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-        - stable-v2.20.7
-        - default
-        - linked
-        - nightly-latest
+          - stable-v2.20.7
+          - default
+          - linked
+          - nightly-latest
     name: Upload debug artifacts after failure in analyze
     continue-on-error: true
     env:
@@ -43,7 +43,12 @@ jobs:
       # We currently need `security-events: read` to access feature flags.
       security-events: read
     timeout-minutes: 45
-    runs-on: ubuntu-latest
+
+    # stable-v2.20.7 requires an older version of Java than the default on `ubuntu-latest` (`ubuntu-26.04`).
+    # We could install that older version on the newer runners, or use the older runner.
+    # We do the latter here. This can be removed once we stop supporting `v2.20.7`.
+    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-26.04') }}
+
     steps:
       - name: Dump GitHub event
         run: cat "${GITHUB_EVENT_PATH}"
@@ -60,7 +65,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
-          dotnet-version: '9.x'
+          dotnet-version: "9.x"
       - name: Assert best-effort artifact scan completed
         uses: ./../action/.github/actions/verify-debug-artifact-scan-completed
       - uses: ./../action/init
@@ -86,12 +91,13 @@ jobs:
     timeout-minutes: 45
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - name: Download all artifacts
         uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
       - name: Check expected artifacts exist
         run: |
+          VERSIONS="stable-v2.20.7 default linked nightly-latest"
           LANGUAGES="cpp csharp go java javascript python"
           for version in $VERSIONS; do
             echo "Artifacts from version $version:"

.github/workflows/debug-artifacts-safe.yml

@@ -5,13 +5,13 @@ env:
 on:
   push:
     branches:
-    - main
-    - releases/v*
+      - main
+      - releases/v*
   pull_request:
   merge_group:
     types: [checks_requested]
   schedule:
-    - cron: '0 5 * * *'
+    - cron: "0 5 * * *"
   workflow_dispatch:
 
 concurrency:
@@ -29,10 +29,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-        - stable-v2.20.7
-        - default
-        - linked
-        - nightly-latest
+          - stable-v2.20.7
+          - default
+          - linked
+          - nightly-latest
     name: Upload debug artifacts
     env:
       CODEQL_ACTION_TEST_MODE: true
@@ -41,7 +41,12 @@ jobs:
       contents: read
       # We currently need `security-events: read` to access feature flags.
       security-events: read
-    runs-on: ubuntu-latest
+
+    # stable-v2.20.7 requires an older version of Java than the default on `ubuntu-latest` (`ubuntu-26.04`).
+    # We could install that older version on the newer runners, or use the older runner.
+    # We do the latter here. This can be removed once we stop supporting `v2.20.7`.
+    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-26.04') }}
+
     steps:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -56,7 +61,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
-          dotnet-version: '9.x'
+          dotnet-version: "9.x"
       - name: Assert best-effort artifact scan completed
         uses: ./../action/.github/actions/verify-debug-artifact-scan-completed
       - uses: ./../action/init
@@ -79,7 +84,7 @@ jobs:
     timeout-minutes: 45
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - name: Download all artifacts
         uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2

.github/workflows/deflake.yml

@@ -60,7 +60,6 @@ on:
       - "PR Check - Proxy test"
       - "PR Check - Remote config file"
       - "PR Check - Resolve environment"
-      - "PR Check - RuboCop multi-language"
       - "PR Check - Ruby analysis"
       - "PR Check - Rust analysis"
       - "PR Check - Split workflow"

.github/workflows/post-release-mergeback.yml

@@ -10,7 +10,7 @@ on:
   workflow_dispatch:
     inputs:
       baseBranch:
-        description: 'The base branch to merge into'
+        description: "The base branch to merge into"
         default: main
         required: false
 
@@ -24,7 +24,7 @@ defaults:
 
 jobs:
   merge-back:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     environment: Automation
     if: github.repository == 'github/codeql-action'
     env:
@@ -41,16 +41,16 @@ jobs:
 
       - name: Dump GitHub context
         env:
-          GITHUB_CONTEXT: '${{ toJson(github) }}'
+          GITHUB_CONTEXT: "${{ toJson(github) }}"
         run: echo "${GITHUB_CONTEXT}"
 
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
-          fetch-depth: 0  # ensure we have all tags and can push commits
+          fetch-depth: 0 # ensure we have all tags and can push commits
       - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           node-version: 24
-          cache: 'npm'
+          cache: "npm"
 
       - name: Install JavaScript dependencies
         run: npm ci
@@ -134,7 +134,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Generate token
-        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
+        uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

.github/workflows/pr-checks.yml

@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-26.04, macos-26, windows-2025]
         node-version: [20, 24]
     permissions:
       contents: read
@@ -71,7 +71,7 @@ jobs:
         run: npm test
 
       - name: Lint
-        if: always() && matrix.os != 'windows-latest'
+        if: always() && matrix.os != 'windows-2025'
         run: npm run lint-ci
 
       - name: Upload sarif
@@ -81,7 +81,7 @@ jobs:
         # paired `push` run that the queue branch creates use that ref, so gate on the ref itself
         # rather than the event. The same results are uploaded by the `pull_request` run and again
         # by the `push` run on `main`.
-        if: matrix.os == 'ubuntu-latest' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
+        if: matrix.os == 'ubuntu-26.04' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
         with:
           sarif_file: eslint.sarif
           category: eslint
@@ -93,7 +93,7 @@ jobs:
     if: github.triggering_actor != 'dependabot[bot]'
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     timeout-minutes: 10
 
     concurrency:

.github/workflows/pr-dequeued.yml

@@ -0,0 +1,43 @@
+name: PR dequeued
+
+on:
+  pull_request:
+    types:
+      - dequeued
+
+jobs:
+  notify:
+    name: Notify
+    runs-on: ubuntu-slim
+
+    if: github.event.pull_request.merged != true
+
+    permissions:
+      pull-requests: write
+
+    steps:
+      - name: Notify that the PR was removed from the merge queue
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          REASON: ${{ github.event.reason }}
+        run: |
+          # Mention whoever added the PR to the merge queue rather than the PR author, who may be a
+          # bot such as Dependabot. The `dequeued` event payload doesn't identify the enqueuer, so
+          # look them up in the most recent `AddedToMergeQueueEvent` on the PR's timeline.
+          enqueuer=$(gh api graphql \
+            -F number="$PR_NUMBER" \
+            -f query='
+              query($number: Int!) {
+                repository(owner: "github", name: "codeql-action") {
+                  pullRequest(number: $number) {
+                    timelineItems(itemTypes: [ADDED_TO_MERGE_QUEUE_EVENT], last: 1) {
+                      nodes { ... on AddedToMergeQueueEvent { enqueuer { login } } }
+                    }
+                  }
+                }
+              }' \
+            --jq '.data.repository.pullRequest.timelineItems.nodes[0].enqueuer.login')
+          echo "@$enqueuer The pull request was removed from the merge queue (\`$REASON\`)." \
+            "Please resolve any issues if required and enqueue the PR again." |
+            gh pr comment --body-file - --repo github/codeql-action "$PR_NUMBER"

.github/workflows/prepare-release.yml

@@ -29,7 +29,7 @@ defaults:
 jobs:
   prepare:
     name: "Release info"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     if: github.repository == 'github/codeql-action'
 
     permissions:

.github/workflows/python312-windows.yml

@@ -29,10 +29,10 @@ jobs:
       contents: read
       # We currently need `security-events: read` to access feature flags.
       security-events: read
-    runs-on: windows-latest
+    runs-on: windows-2025
 
     steps:
-    - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+    - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
       with:
         python-version: 3.12
 

.github/workflows/query-filters.yml

@@ -25,7 +25,7 @@ jobs:
     name: Query Filters Tests
     if: github.triggering_actor != 'dependabot[bot]'
     timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       contents: read # This permission is needed to allow the GitHub Actions workflow to read the contents of the repository.
     steps:

.github/workflows/rebuild.yml

@@ -12,7 +12,7 @@ defaults:
 jobs:
   rebuild:
     name: Rebuild Action
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     if: github.event.label.name == 'Rebuild' || github.event_name == 'workflow_dispatch'
 
     env:
@@ -33,7 +33,7 @@ jobs:
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           node-version: 24
-          cache: 'npm'
+          cache: "npm"
 
       - name: Remove label
         if: github.event_name == 'pull_request'

.github/workflows/rollback-release.yml

@@ -34,7 +34,7 @@ jobs:
   rollback:
     name: "Create rollback release"
     if: github.repository == 'github/codeql-action'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     timeout-minutes: 45
 
     # Don't set the deployment environment for test runs
@@ -139,7 +139,7 @@ jobs:
 
       - name: Generate token
         if: github.event_name == 'workflow_dispatch'
-        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
+        uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

.github/workflows/test-codeql-bundle-all.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
           version: nightly-latest
     name: 'CodeQL Bundle All'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/update-bundle.yml

@@ -20,7 +20,7 @@ defaults:
 jobs:
   update-bundle:
     if: github.event.release.prerelease && startsWith(github.event.release.tag_name, 'codeql-bundle-')
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       contents: write # needed to push commits
       pull-requests: write # needed to create pull requests

.github/workflows/update-release-branch.yml

@@ -26,7 +26,7 @@ jobs:
   update:
     name: "Update release branch"
     timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     if: github.event_name == 'workflow_dispatch'
     needs: [prepare]
     env:
@@ -79,7 +79,7 @@ jobs:
   backport:
     name: "Create backport"
     timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     environment: Automation
     needs: [prepare]
     if: ${{ (github.event_name == 'push') && needs.prepare.outputs.backport_target_branches != '[]' }}
@@ -95,7 +95,7 @@ jobs:
       pull-requests: write # needed to create pull request
     steps:
     - name: Generate token
-      uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
+      uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
       id: app-token
       with:
         app-id: ${{ vars.AUTOMATION_APP_ID }}

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 See the [releases page](https://github.com/github/codeql-action/releases) for the relevant changes to the CodeQL CLI and language packs.
 
+## [UNRELEASED]
+
+No user facing changes.
+
 ## 4.39.1 - 21 Oct 2026
 
 - Update default CodeQL bundle version to [2.27.3](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.27.3). [#4256](https://github.com/github/codeql-action/pull/4256)

README.md

@@ -76,7 +76,6 @@ We typically release new minor versions of the CodeQL Action and Bundle when a n
 | `v4.33.0` | `2.24.3` | Enterprise Server 3.21 | |
 | `v4.31.10` | `2.23.9` | Enterprise Server 3.20 | |
 | `v3.29.11` | `2.22.4` | Enterprise Server 3.19 | |
-| `v3.28.21` | `2.21.3` | Enterprise Server 3.18 | |
 
 See the full list of GHES release and deprecation dates at [GitHub Enterprise Server releases](https://docs.github.com/en/enterprise-server/admin/all-releases#releases-of-github-enterprise-server).
 

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "codeql",
-  "version": "4.39.1",
+  "version": "4.39.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codeql",
-      "version": "4.39.1",
+      "version": "4.39.2",
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-        "@types/sinon": "^22.0.0",
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-      "license": "MIT",
-      "engines": {
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@@ -958,18 +950,89 @@
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+      "resolved": "https://registry.npmjs.org/@es-joy/escodegen/-/escodegen-4.2.0.tgz",
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+      "license": "BSD-2-Clause",
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+        "@es-joy/jsdoccomment": "^0.62.0",
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+        "optionator": "^0.9.4"
+      },
+      "bin": {
+        "escodegen": "bin/escodegen.js",
+        "esgenerate": "bin/esgenerate.js"
+      },
+      "engines": {
+        "node": ">=6.0"
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+      "optionalDependencies": {
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+    "node_modules/@es-joy/escodegen/node_modules/@es-joy/jsdoccomment": {
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+      "resolved": "https://registry.npmjs.org/@es-joy/jsdoccomment/-/jsdoccomment-0.62.0.tgz",
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+      "license": "MIT",
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+      "dev": true,
+      "license": "MIT",
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+      "dev": true,
+      "license": "MIT",
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+      "dev": true,
+      "license": "BSD-2-Clause",
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       "dev": true,
       "license": "MIT",
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-        "@types/sinonjs__fake-timers": "*"
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@@ -3576,6 +3634,7 @@
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@@ -5365,15 +5424,16 @@
       }
     },
     "node_modules/eslint-plugin-jsdoc": {
-      "version": "65.2.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-65.2.0.tgz",
-      "integrity": "sha512-IMZaNwdDa5otUQYGWN1pzywZLsGKswitvFFNhcO8IOsBfaWpWIDXYuZh2sYhe9MNyKN9hz0YryOFaKdpbTP5Bw==",
+      "version": "65.4.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-65.4.0.tgz",
+      "integrity": "sha512-bRiU6LfCFmLL7GuePKvA6ZIcXLonhZGCg2TgQLmkcExeVdAirQp2Hsf3xeSUTmlKwAAsREVEOLbZYD8F7oA69g==",
       "dev": true,
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@es-joy/jsdoccomment": "~0.98.0",
+        "@es-joy/escodegen": "^4.2.0",
+        "@es-joy/jsdoccomment": "~0.100.0",
         "@es-joy/resolve.exports": "1.2.0",
-        "@typescript-eslint/utils": "^8.70.1",
+        "@typescript-eslint/utils": "^8.72.0",
         "are-docs-informative": "^0.1.1",
         "comment-parser": "1.4.9",
         "debug": "^4.4.3",
@@ -7121,9 +7181,9 @@
       }
     },
     "node_modules/js-yaml": {
-      "version": "5.4.3",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.4.3.tgz",
-      "integrity": "sha512-yzzNtgczwgoVHNigCyKTXcQJU4Y8t/ikU4UxXW0BvrLfHTGWZhsNcOT2s/a7vn81/4KqVnNmHjaUEPlvWnNwVw==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.5.0.tgz",
+      "integrity": "sha512-paNr4LFIFPjeeSmwNYdrb8FafLLG/Cr2Af3GjbsHJ5CxIjH4r0c2emlmRdAtpPAieP1gRVzk6buBbVP5gBMGAg==",
       "funding": [
         {
           "type": "github",
@@ -7136,12 +7196,28 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "argparse": "^2.0.1"
+        "argparse": "^3.0.3"
       },
       "bin": {
         "js-yaml": "bin/js-yaml.mjs"
       }
     },
+    "node_modules/js-yaml/node_modules/argparse": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-3.0.3.tgz",
+      "integrity": "sha512-Sn98ftV3KfsO8xfLPHG6oT8y+b0yvbrLgZjgPDXsharNY15tTAjqIsIju4S32nl6/iEUNNE4v+yL2Zhm8ooP3w==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "PSF-2.0"
+    },
     "node_modules/jschardet": {
       "version": "3.1.4",
       "resolved": "https://registry.npmjs.org/jschardet/-/jschardet-3.1.4.tgz",
@@ -7153,36 +7229,18 @@
       }
     },
     "node_modules/jsdoc-type-pratt-parser": {
-      "version": "9.2.2",
-      "resolved": "https://registry.npmjs.org/jsdoc-type-pratt-parser/-/jsdoc-type-pratt-parser-9.2.2.tgz",
-      "integrity": "sha512-eFY7Rlscvv/BpY6UsVsjKwMhu1tJO/F4U/vC9g3yeRy/JqszuO1UP6Vdq+85G+3FP6fEw/sWR8a5ftPFY86csw==",
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/jsdoc-type-pratt-parser/-/jsdoc-type-pratt-parser-9.3.0.tgz",
+      "integrity": "sha512-JZ8lKMCZXDlM1jAjAK5tTmtFJtgv6iFQQfjE3Fza6jBRACUueaEXLY17n1u05JO1lcPkNxgP+ddEDtiPsk5ktg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@types/estree": "^1.0.9",
-        "@types/node": "^26.4.0"
+        "@types/estree": "^1.0.9"
       },
       "engines": {
         "node": "^22.22.2 || >=24.15.0"
       }
     },
-    "node_modules/jsdoc-type-pratt-parser/node_modules/@types/node": {
-      "version": "26.6.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.2.tgz",
-      "integrity": "sha512-X1P21scMv4zGKLYqjdGjaKa7COa0RKVYYZZN/NfvLQ1JegxFhdhpZG/Lyn8AXx6CDUavKAd11v6BvfpkDByK8g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "undici-types": "~8.9.0"
-      }
-    },
-    "node_modules/jsdoc-type-pratt-parser/node_modules/undici-types": {
-      "version": "8.9.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
-      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/json-buffer": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",
@@ -8343,16 +8401,18 @@
       }
     },
     "node_modules/optionator": {
-      "version": "0.9.3",
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
+      "integrity": "sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@aashutoshrathi/word-wrap": "^1.2.3",
         "deep-is": "^0.1.3",
         "fast-levenshtein": "^2.0.6",
         "levn": "^0.4.1",
         "prelude-ls": "^1.2.1",
-        "type-check": "^0.4.0"
+        "type-check": "^0.4.0",
+        "word-wrap": "^1.2.5"
       },
       "engines": {
         "node": ">= 0.8.0"
@@ -9276,6 +9336,17 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/source-map": {
+      "version": "0.7.6",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz",
+      "integrity": "sha512-i5uvt8C3ikiWeNZSVZNWcfZPItFQOsYTUAOkcUPGd8DqDy1uOUikjt5dG+uRlwyvR108Fb9DOd4GvXfT0N2/uQ==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "optional": true,
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/spdx-exceptions": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.5.0.tgz",
@@ -9981,16 +10052,16 @@
       }
     },
     "node_modules/typescript-eslint": {
-      "version": "8.71.1",
-      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.71.1.tgz",
-      "integrity": "sha512-oiNVPC3/NbV1FpaHU07l8O6ynqG9v4PAiW2WvTrAmZdR0f2HI/gE668ElMLCK7Xbsu5k2fK5C4fXNiq05j7/nQ==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.72.0.tgz",
+      "integrity": "sha512-r26Fkc8As+mZvqp7SLsMmNFyYUup/6CjK7/eHBHmhOw6GH6n6YFxHVFrG0jN1c5CMpDzelLPxvgeCOzx7BjN+A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/eslint-plugin": "8.71.1",
-        "@typescript-eslint/parser": "8.71.1",
-        "@typescript-eslint/typescript-estree": "8.71.1",
-        "@typescript-eslint/utils": "8.71.1"
+        "@typescript-eslint/eslint-plugin": "8.72.0",
+        "@typescript-eslint/parser": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0",
+        "@typescript-eslint/utils": "8.72.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -10024,12 +10095,12 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.28.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.28.0.tgz",
-      "integrity": "sha512-LIY910g9TI13YS95lrMFrs8Rm/u/irgHeTWoKCoteeJ04CUJ92eEfj0rVn+7VKMPBpUPiUoBKfhNyLI23EE/KA==",
+      "version": "7.30.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.30.1.tgz",
+      "integrity": "sha512-03KrMbjIFDWQR5RNPrSw3bd1r12JpyFQl9/yxjUbJtqkjmllqC5lFjZh6ujeuJCKr8EOQvRW872Oy/az+nLYxg==",
       "license": "MIT",
       "engines": {
-        "node": ">=18.17"
+        "node": ">=20.18.1"
       }
     },
     "node_modules/undici-types": {
@@ -10167,9 +10238,9 @@
       "license": "MIT"
     },
     "node_modules/uuid": {
-      "version": "14.0.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-14.0.2.tgz",
-      "integrity": "sha512-xZe/16rV4aa+HGSOCiY2YeLT1OybRLrrkL/Rqaq7p7GMVXjFh+6wN4oMYgjFmnSnhY8t6Xpdl2l9qmnHYuMHwQ==",
+      "version": "14.0.3",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-14.0.3.tgz",
+      "integrity": "sha512-Sc5u1VVln93y1Xnz4R+CunOZc7R9LUcTmhj7Rc7Eg3HVcf7rVn2FOoa812fe0W8p3jD7xeoGSYbfqCGGH2B6xw==",
       "funding": [
         "https://github.com/sponsors/broofa",
         "https://github.com/sponsors/ctavan"
@@ -10309,6 +10380,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/word-wrap": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -10484,9 +10565,11 @@
       "dependencies": {
         "@actions/core": "^2.0.3",
         "@actions/github": "^8.0.1",
+        "@actions/tool-cache": "^3.0.1",
         "@octokit/core": "^7.0.8",
         "@octokit/plugin-paginate-rest": ">=16.0.0",
         "@octokit/plugin-rest-endpoint-methods": "^18.0.0",
+        "glob": "^13.0.6",
         "lite-matter": "^0.1.2",
         "mdast-util-from-markdown": "^2.1.0",
         "semver": "^7.8.5",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "codeql",
-  "version": "4.39.1",
+  "version": "4.39.2",
   "private": true,
   "description": "CodeQL action",
   "scripts": {
@@ -38,13 +38,13 @@
     "follow-redirects": "^1.16.1",
     "get-folder-size": "^5.0.0",
     "https-proxy-agent": "^7.0.6",
-    "js-yaml": "^5.4.3",
+    "js-yaml": "^5.5.0",
     "jsonschema": "1.5.0",
     "long": "^5.3.2",
     "node-forge": "^1.4.0",
     "semver": "^7.8.5",
-    "undici": "^6.28.0",
-    "uuid": "^14.0.2"
+    "undici": "^7.30.1",
+    "uuid": "^14.0.3"
   },
   "devDependencies": {
     "@ava/typescript": "6.0.0",
@@ -58,21 +58,21 @@
     "@types/node-forge": "^1.3.14",
     "@types/sarif": "^2.1.7",
     "@types/semver": "^7.8.0",
-    "@types/sinon": "^22.0.0",
+    "@types/sinon": "^22.0.1",
     "ava": "^6.4.1",
     "esbuild": "^0.28.2",
     "eslint": "^9.39.5",
     "eslint-import-resolver-typescript": "^4.4.5",
     "eslint-plugin-github": "^6.1.2",
     "eslint-plugin-import-x": "^4.17.1",
-    "eslint-plugin-jsdoc": "^65.2.0",
+    "eslint-plugin-jsdoc": "^65.4.0",
     "eslint-plugin-no-async-foreach": "^0.1.1",
     "glob": "^13.0.6",
     "globals": "^17.13.0",
     "nock": "^14.0.17",
     "sinon": "^22.1.0",
     "typescript": "^6.0.3",
-    "typescript-eslint": "^8.71.1"
+    "typescript-eslint": "^8.72.0"
   },
   "overrides": {
     "@actions/tool-cache": {
@@ -94,6 +94,6 @@
       "semver": ">=6.3.1"
     },
     "glob": "^13.0.6",
-    "undici": "^6.28.0"
+    "undici": "^7.30.1"
   }
 }

pr-checks/check-diagnostics.ts

@@ -1,19 +1,91 @@
 import fs from "fs";
+import path from "path";
 
 import * as core from "@actions/core";
+import { globSync } from "glob";
 
 import * as sarif from "../src/sarif";
 
-function checkStatusPageNotification(n) {
-  const expectedMessage = "Plaintext message";
-  if (n.message.text !== expectedMessage) {
+const DIAGNOSTIC_ID =
+  process.env["DIAGNOSTIC_ID"] ?? "lang/diagnostics/example";
+const DIAGNOSTIC_NAME = process.env["DIAGNOSTIC_NAME"] ?? "Diagnostic name";
+const EXPECTED_MESSAGE = process.env["EXPECTED_MESSAGE"] ?? "Plaintext message";
+const EXPECTED_LOCATIONS = Number.parseInt(
+  process.env["EXPECTED_LOCATIONS"] ?? "1",
+);
+
+function checkStatusPageNotification(n: sarif.Notification) {
+  const expectedMessage = EXPECTED_MESSAGE.trim();
+  if (!n.message.text?.includes(expectedMessage)) {
+    if (n.message.text !== undefined) {
+      core.setFailed(
+        `Expected the status page diagnostic to contain the message '${expectedMessage}', but found '${n.message.text.replaceAll("\n", "\\n")}'.`,
+      );
+    } else {
+      core.setFailed(
+        `Expected the status page diagnostic to contain the message '${expectedMessage}', but found nothing.`,
+      );
+    }
+  }
+
+  const locationCount = n.locations?.length ?? 0;
+  if (locationCount !== EXPECTED_LOCATIONS) {
     core.setFailed(
-      `Expected the status page diagnostic to have the message '${expectedMessage}', but found '${n.message.text}'.`,
+      `Expected the status page diagnostic to have exactly ${EXPECTED_LOCATIONS} location(s), but found ${locationCount}.`,
     );
   }
-  if (n.locations.length !== 1) {
+}
+
+function checkSarif(sarifFile: string) {
+  core.info(`Checking SARIF file at '${sarifFile}'`);
+
+  const log = JSON.parse(fs.readFileSync(sarifFile, "utf8")) as sarif.Log;
+  const run = log.runs[0];
+
+  if (run.invocations === undefined) {
+    throw new Error("run.invocations is undefined");
+  }
+
+  const toolExecutionNotifications =
+    run.invocations[0].toolExecutionNotifications;
+
+  if (toolExecutionNotifications === undefined) {
+    throw new Error("toolExecutionNotifications is undefined");
+  }
+
+  const statusPageNotifications = toolExecutionNotifications.filter(
+    (n) =>
+      n.descriptor?.id === DIAGNOSTIC_ID &&
+      n.properties?.visibility?.statusPage,
+  );
+  if (statusPageNotifications.length !== 1) {
     core.setFailed(
-      `Expected the status page diagnostic to have exactly 1 location, but found ${n.locations.length}.`,
+      "Expected exactly one status page reporting descriptor for this diagnostic in the " +
+        `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+        `${statusPageNotifications.length}. All notification reporting descriptors: ` +
+        `${JSON.stringify(toolExecutionNotifications)}.`,
+    );
+  }
+  checkStatusPageNotification(statusPageNotifications[0]);
+
+  const notifications = run.tool.driver.notifications;
+
+  if (notifications === undefined) {
+    throw new Error("notifications is undefined");
+  }
+
+  const diagnosticNotification = notifications.filter(
+    (n) =>
+      n.id === DIAGNOSTIC_ID &&
+      n.name === DIAGNOSTIC_ID &&
+      n.fullDescription?.text === DIAGNOSTIC_NAME,
+  );
+  if (diagnosticNotification.length !== 1) {
+    core.setFailed(
+      "Expected exactly one notification for this diagnostic in the " +
+        `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
+        `${diagnosticNotification.length}. All notifications: ` +
+        `${JSON.stringify(notifications)}.`,
     );
   }
 }
@@ -21,57 +93,26 @@ function checkStatusPageNotification(n) {
 const sarifPath = process.env["SARIF_PATH"];
 
 if (sarifPath === undefined) {
-  throw new Error("The path to a SARIF file must be set in 'SARIF_PATH'.");
-}
-
-const log = JSON.parse(fs.readFileSync(sarifPath, "utf8")) as sarif.Log;
-const run = log.runs[0];
-
-if (run.invocations === undefined) {
-  throw new Error("run.invocations is undefined");
-}
-
-const toolExecutionNotifications =
-  run.invocations[0].toolExecutionNotifications;
-
-if (toolExecutionNotifications === undefined) {
-  throw new Error("toolExecutionNotifications is undefined");
-}
-
-const statusPageNotifications = toolExecutionNotifications.filter(
-  (n) =>
-    n.descriptor?.id === "lang/diagnostics/example" &&
-    n.properties?.visibility?.statusPage,
-);
-if (statusPageNotifications.length !== 1) {
-  core.setFailed(
-    "Expected exactly one status page reporting descriptor for this diagnostic in the " +
-      `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
-      `${statusPageNotifications.length}. All notification reporting descriptors: ` +
-      `${JSON.stringify(toolExecutionNotifications)}.`,
+  throw new Error(
+    "The path to a SARIF file or directory must be set in 'SARIF_PATH'.",
   );
 }
-checkStatusPageNotification(statusPageNotifications[0]);
 
-const notifications = run.tool.driver.notifications;
+if (fs.statSync(sarifPath).isDirectory()) {
+  const sarifFiles = globSync("**/*.sarif", {
+    cwd: path.resolve(sarifPath),
+    absolute: true,
+  });
 
-if (notifications === undefined) {
-  throw new Error("notifications is undefined");
-}
+  if (sarifFiles.length < 1) {
+    throw new Error(`Unable to find any .sarif files in '${sarifPath}'.`);
+  }
 
-const diagnosticNotification = notifications.filter(
-  (n) =>
-    n.id === "lang/diagnostics/example" &&
-    n.name === "lang/diagnostics/example" &&
-    n.fullDescription?.text === "Diagnostic name",
-);
-if (diagnosticNotification.length !== 1) {
-  core.setFailed(
-    "Expected exactly one notification for this diagnostic in the " +
-      `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
-      `${diagnosticNotification.length}. All notifications: ` +
-      `${JSON.stringify(notifications)}.`,
-  );
+  for (const sarifFile of sarifFiles) {
+    checkSarif(sarifFile);
+  }
+} else {
+  checkSarif(sarifPath);
 }
 
 core.info("Finished diagnostic export test");

pr-checks/checks/all-platform-bundle.yml

@@ -3,7 +3,7 @@ description: "Tests using an all-platform CodeQL Bundle"
 operatingSystems:
   - ubuntu
   - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
   - windows
 versions:
   - nightly-latest

pr-checks/checks/bundle-from-toolcache.yml

@@ -2,30 +2,20 @@ name: "Bundle: From toolcache"
 description: "The CodeQL bundle should be cached within the toolcache"
 versions:
   - toolcache
+installNode: true
 steps:
-  - name: Install @actions/tool-cache
-    run: npm install @actions/tool-cache@3
   - name: Check toolcache contains CodeQL
     continue-on-error: true
-    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-    with:
-      script: |
-        const toolcache = require('@actions/tool-cache');
-        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-        if (allCodeqlVersions.length === 0) {
-          throw new Error(`CodeQL could not be found in the toolcache`);
-        }
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts installed
+
   - id: setup-codeql
     uses: ./../action/setup-codeql
     with:
       tools: ${{ steps.prepare-test.outputs.tools-url }}
+
   - name: Check CodeQL is installed within the toolcache
-    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-    with:
-      script: |
-        const toolcache = require('@actions/tool-cache');
-        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-        console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
-        if (allCodeqlVersions.length === 0) {
-          throw new Error('CodeQL not found in toolcache');
-        }
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts installed

pr-checks/checks/bundle-toolcache.yml

@@ -6,47 +6,31 @@ operatingSystems:
   - ubuntu
   - macos
   - windows
+installNode: true
 steps:
   - name: Remove CodeQL from toolcache
-    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-    with:
-      script: |
-        const fs = require('fs');
-        const path = require('path');
-        const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
-        fs.rmdirSync(codeqlPath, { recursive: true });
-  - name: Install @actions/tool-cache
-    run: npm install @actions/tool-cache@3
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts clear
+
   - name: Check toolcache does not contain CodeQL
-    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-    with:
-      script: |
-        const toolcache = require('@actions/tool-cache');
-        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-        if (allCodeqlVersions.length !== 0) {
-          throw new Error(`CodeQL should not be found in the toolcache, but found ${allCodeqlVersions}`);
-        }
-        console.log('No versions of CodeQL found in the toolcache');
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts absent
+
   - id: init
     uses: ./../action/init
     with:
       # Request multiple languages so this check uses the combined bundle.
       languages: javascript,python
       tools: ${{ steps.prepare-test.outputs.tools-url }}
+
   - uses: ./../action/analyze
     with:
       output: ${{ runner.temp }}/results
       upload-database: false
+
   - name: Check CodeQL is installed within the toolcache
-    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-    with:
-      script: |
-        const toolcache = require('@actions/tool-cache');
-        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
-        console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
-        if (allCodeqlVersions.length === 0) {
-          throw new Error('CodeQL not found in toolcache');
-        }
-        if (allCodeqlVersions.length > 1) {
-          throw new Error('Multiple CodeQL versions found in toolcache');
-        }
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts installed -n 1

pr-checks/checks/diagnostics-without-db.yml

@@ -0,0 +1,72 @@
+name: "Diagnostic export without database"
+description: "Tests that temporary diagnostics are correctly included in the failed SARIF."
+versions:
+  # Overridden by the FF in the `init` step below.
+  - linked
+installNode: true
+
+env:
+  # Allow the failed SARIF file to be generated.
+  CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+  # But don't actually upload it.
+  CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+  # Mark telemetry for this workflow so it can be treated separately.
+  CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+
+steps:
+  # We deliberately need to make this step fail before the database is initialised, but after
+  # some diagnostic has been produced. The simplest way to do that right now is to:
+  #
+  # - Produce a diagnostic before the db is initialised by forcing the use of a nightly release
+  #   with the `CODEQL_ACTION_FORCE_NIGHTLY` feature flag.
+  # - Cause `init` to abort because we are attempting to analyse Swift on a non-macOS runner.
+  #
+  - name: Initialise failing analysis
+    id: init
+    uses: ./../action/init
+    continue-on-error: true
+    env:
+      CODEQL_ACTION_FORCE_NIGHTLY: true
+    with:
+      languages: swift
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+  - name: Analyze
+    uses: ./analyze
+    # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
+    # above, we manually disable it with an `if` condition. Having this step is required
+    # for the init post-action because it checks the workflow definition for e.g. the
+    # `category` input. Without this step, that part of the init post-action would fail.
+    if: false
+    with:
+      category: "/test-codeql-version:${{ matrix.version }}"
+
+  - name: Check diagnostics appear on disk
+    env:
+      DIAGNOSTICS_DIR: "${{ runner.temp }}/codeql-action-temp-diagnostics/"
+    run: |
+      cd ../action
+      npx tsx ./pr-checks/diagnostics-without-db.ts
+validationJobs:
+  diagnostics-without-db-validation:
+    checkout: true
+    installNode: true
+    steps:
+      - name: Download workflow artifact
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/codeql-failed-run.sarif"
+          DIAGNOSTIC_ID: "codeql-action/forced-nightly-cli"
+          DIAGNOSTIC_NAME: "A nightly release of CodeQL was used"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            GitHub configured this analysis to use a nightly release of CodeQL to allow you to preview changes from an upcoming release.
+        run: npx tsx ./pr-checks/check-diagnostics.ts

pr-checks/checks/export-file-baseline-information.yml

@@ -11,16 +11,17 @@ installDotNet: true
 env:
   CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
   CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
-  # To balance speed and coverage, we analyze only a single language (JavaScript), but use the
-  # combined bundle so we can test that baseline information is reported for each language in the
-  # multi-language source directory.
-  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
 steps:
   - uses: ./../action/init
     id: init
     with:
       languages: javascript
       tools: ${{ steps.prepare-test.outputs.tools-url }}
+      # To balance speed and coverage, analyze only JavaScript but use the combined bundle so
+      # baseline information is reported for every language in the multi-language repository. A
+      # custom configuration prevents per-language bundles from being used.
+      config: |
+        paths-ignore: []
   - name: Build code
     run: ./build.sh
   - uses: ./../action/analyze

pr-checks/checks/multi-language-autodetect.yml

@@ -3,7 +3,7 @@ description: "An end-to-end integration test of a multi-language repository usin
 operatingSystems:
   - ubuntu
   - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
   # Older CodeQL CLI versions only support Swift up to 6.1, which requires Xcode 16. That is
   # not available on macOS 26, so run these versions on macOS 15 where we select Xcode 16
   # below. See https://github.com/actions/runner-images/issues/14167.
@@ -23,7 +23,7 @@ steps:
     # imports `importlib._bootstrap._ERR_MSG`, which those Python versions no longer define.
     # See https://github.com/github/codeql-action/pull/3212
     if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-    uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+    uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
     with:
       python-version: "3.13.15"
 

pr-checks/checks/per-language-bundle-validation.yml

@@ -1,49 +1,51 @@
 name: Per-language bundles
 description: Validates extraction and analysis using each per-language CodeQL bundle.
-# TODO: Use a released bundle once releases include per-language bundles.
 matrix:
   include:
     - language: actions
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
       # Actions also needs the JavaScript extractor.
       expected-extractors: actions javascript
     - language: cpp
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
       build-mode: manual
       build-command: gcc -o main main.c
     - language: csharp
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
       build-mode: none
     - language: go
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
       build-mode: autobuild
     - language: java
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
       build-mode: none
     - language: javascript
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
     - language: python
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
     - language: ruby
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
     - language: rust
-      os: ubuntu-latest
-      version: nightly-latest
+      os: ubuntu-26.04
+      version: linked
     - language: swift
-      os: macos-latest-xlarge
-      version: nightly-latest
+      os: macos-26-xlarge
+      version: linked
       build-mode: autobuild
-env:
-  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
+installNode: true
 steps:
+  - name: Remove CodeQL from toolcache
+    run: |
+      cd ./../action
+      npx tsx ./pr-checks/toolcache.ts clear
   - uses: ./../action/init
     id: init
     with:
@@ -84,9 +86,8 @@ steps:
       CODEQL_PATH: ${{ steps.init.outputs.codeql-path }}
     run: |
       # A bundle that is missing most of its extractors must never be left in the toolcache,
-      # where a later job analyzing a different language could pick it up. The runner image
-      # ships with its own CodeQL in the toolcache, so check where this bundle was extracted to
-      # rather than whether the toolcache contains CodeQL at all.
+      # where a later job analyzing a different language could pick it up. Per-language bundles
+      # must instead be extracted under the runner's temporary directory.
       echo "CodeQL is at $CODEQL_PATH"
       if [[ "$CODEQL_PATH" == "$RUNNER_TOOL_CACHE"/* ]]; then
         echo "::error::The per-language bundle was added to the toolcache at $CODEQL_PATH."

pr-checks/checks/rubocop-multi-language.yml

@@ -1,23 +0,0 @@
-name: "RuboCop multi-language"
-description: "Tests using RuboCop to analyze a multi-language repository and then using the CodeQL Action to upload the resulting SARIF"
-# This check doesn't use CodeQL, so the `version` matrix variable is unused.
-versions:
-  - default
-steps:
-  - name: Set up Ruby
-    uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
-    with:
-      ruby-version: 2.6
-  - name: Install Code Scanning integration
-    run: bundle add code-scanning-rubocop --version 0.3.0 --skip-install
-  - name: Install dependencies
-    run: bundle install
-  - name: RuboCop run
-    run: |
-      bash -c "
-        bundle exec rubocop --require code_scanning --format CodeScanning::SarifFormatter -o rubocop.sarif
-        [[ $? -ne 2 ]]
-      "
-  - uses: ./../action/upload-sarif
-    with:
-      sarif_file: rubocop.sarif

pr-checks/checks/submit-sarif-failure.yml

@@ -35,7 +35,9 @@ steps:
     run: exit 1
   - uses: ./analyze
     # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-    # above, we manually disable it with an `if` condition.
+    # above, we manually disable it with an `if` condition. Having this step is required
+    # for the init post-action because it checks the workflow definition for e.g. the
+    # `category` input. Without this step, that part of the init post-action would fail.
     if: false
     with:
       category: "/test-codeql-version:${{ matrix.version }}"

pr-checks/checks/swift-autobuild.yml

@@ -4,7 +4,7 @@ versions:
   - nightly-latest
 operatingSystems:
   - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
 steps:
   - uses: ./../action/init
     id: init

pr-checks/checks/swift-custom-build.yml

@@ -6,7 +6,7 @@ versions:
   - nightly-latest
 operatingSystems:
   - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
 installGo: true
 installDotNet: true
 env:

pr-checks/checks/unsupported-macos.yml

@@ -0,0 +1,67 @@
+name: "Unsupported macOS"
+description: "Tests that unsupported macOS versions are detected and result in appropriate diagnostics."
+versions:
+  - linked
+  - nightly-latest
+installNode: true
+
+operatingSystems:
+  - os: macos
+    runner-image: xcode-27
+
+env:
+  # Allow the failed SARIF file to be generated.
+  CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+  # But don't actually upload it.
+  CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+  # Mark telemetry for this workflow so it can be treated separately.
+  CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+
+steps:
+  - name: Check xcode_select_link
+    run: |
+      readlink /private/var/db/xcode_select_link
+      file -h /private/var/db/xcode_select_link
+
+  - uses: ./../action/init
+    id: init
+    continue-on-error: true
+    env:
+      CODEQL_ACTION_CHECK_UNSUPPORTED_TRACED_ANALYSIS: true
+      CODEQL_ACTION_ABORT_UNSUPPORTED_TRACED_ANALYSIS: true
+    with:
+      languages: swift
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+  - name: Analyze
+    # We could run `analyze` here from `./../analyze`, but `getAnalyzeActionName` in `workflow.ts`
+    # can't cope with that unless we introduce a different testing environment. Since this step
+    # would just fail on `xcode-27` anyway, we just skip it instead.
+    if: false
+    uses: ./analyze
+    with:
+      category: "/test-codeql-version:${{ matrix.version }}"
+
+validationJobs:
+  unsupported-macos-sarif-checks:
+    checkout: true
+    installNode: true
+    steps:
+      - name: Download workflow artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/"
+          DIAGNOSTIC_ID: "codeql-action/unsupported-traced-analysis-macos"
+          DIAGNOSTIC_NAME: "Traced analysis is not supported on this version of macOS"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            Traced analysis is not supported on macOS 27 or above.
+        run: npx tsx ./pr-checks/check-diagnostics.ts

pr-checks/diagnostics-without-db.ts

@@ -0,0 +1,48 @@
+import * as fs from "fs";
+import * as path from "path";
+
+import * as core from "@actions/core";
+
+import type * as diagnostics from "../src/diagnostics";
+
+const DIAGNOSTIC_ID = "codeql-action/forced-nightly-cli";
+const diagnosticDirectory = process.env["DIAGNOSTICS_DIR"];
+
+if (diagnosticDirectory === undefined) {
+  throw new Error("DIAGNOSTICS_DIR is undefined.");
+}
+
+const paths = fs
+  .readdirSync(diagnosticDirectory, {
+    recursive: true,
+    encoding: "utf-8",
+  })
+  .filter((p) => p.endsWith(".json"));
+
+core.info(`Found ${paths.length} paths in '${diagnosticDirectory}'.`);
+core.info(`Searching for a diagnostic with id '${DIAGNOSTIC_ID}'...`);
+
+let found = false;
+for (const diagnosticPath of paths) {
+  if (path.extname(diagnosticPath) !== ".json") {
+    core.info(`Skipping ${diagnosticPath}.`);
+    continue;
+  }
+  core.info(`Found ${diagnosticPath}.`);
+
+  const contents = JSON.parse(
+    fs.readFileSync(path.resolve(diagnosticDirectory, diagnosticPath), "utf-8"),
+  ) as diagnostics.DiagnosticMessage;
+
+  if (contents.source.id === DIAGNOSTIC_ID) {
+    core.info(
+      `Found '${DIAGNOSTIC_ID}' in '${diagnosticPath}'. Skipping remaining files.`,
+    );
+    found = true;
+    break;
+  }
+}
+
+if (!found) {
+  throw new Error(`Didn't find '${DIAGNOSTIC_ID}' diagnostic.`);
+}

pr-checks/excluded.yml

@@ -20,3 +20,7 @@ is:
   - "Release info"
   - "Upload results"
   - "Update release branch"
+  # These checks are known not to run on every PR (for example, some release
+  # PRs), so requiring them would block the PRs they don't run on.
+  - "github-advanced-security"
+  - "License compliance check"

pr-checks/package.json

@@ -5,9 +5,11 @@
   "dependencies": {
     "@actions/core": "^2.0.3",
     "@actions/github": "^8.0.1",
+    "@actions/tool-cache": "^3.0.1",
     "@octokit/core": "^7.0.8",
     "@octokit/plugin-paginate-rest": ">=16.0.0",
     "@octokit/plugin-rest-endpoint-methods": "^18.0.0",
+    "glob": "^13.0.6",
     "lite-matter": "^0.1.2",
     "mdast-util-from-markdown": "^2.1.0",
     "semver": "^7.8.5",

pr-checks/sync.ts

@@ -43,6 +43,13 @@ type WorkflowInputs = Partial<Record<KnownInputName, WorkflowInput>>;
 /** An operating system identifier. */
 type OperatingSystemIdentifier = "ubuntu" | "macos" | "windows";
 
+/** Mapping from {@link OperatingSystemIdentifier} to default runner image labels. */
+const DEFAULT_RUNNER_IMAGES: Record<OperatingSystemIdentifier, string> = {
+  ubuntu: "ubuntu-26.04",
+  macos: "macos-26",
+  windows: "windows-2025",
+};
+
 /**
  * Represents an operating system matrix entry for a generated PR check workflow.
  *
@@ -90,7 +97,7 @@ interface Specification extends JobSpecification {
   services?: any;
 
   /** Additional jobs to run after the main PR check job. */
-  validationJobs?: Record<string, JobSpecification>;
+  validationJobs?: Record<string, ValidationJobSpecification>;
 
   /** If set, this check is part of a named collection that gets its own caller workflow. */
   collection?: string;
@@ -122,6 +129,10 @@ interface JobSpecification {
   installYq?: boolean;
 }
 
+type ValidationJobSpecification = JobSpecification & {
+  checkout?: boolean;
+};
+
 /** Describes language/framework-specific steps and inputs. */
 interface LanguageSetup {
   specProperty: keyof JobSpecification;
@@ -133,7 +144,15 @@ interface LanguageSetup {
 /** Describes partial mappings from built-in languages to their specific setup information. */
 type LanguageSetups = Partial<Record<BuiltInLanguage, LanguageSetup>>;
 
-// The default set of CodeQL Bundle versions to use for the PR checks.
+/** A type representing version identifiers. */
+type Version =
+  | "default"
+  | "linked"
+  | "nightly-latest"
+  // This is an approximation, but sufficient validation for our needs here.
+  | `stable-v${number}.${number}.${number}`;
+
+/** The default set of CodeQL Bundle versions to use for the PR checks. */
 const defaultTestVersions = [
   // The oldest supported CodeQL version. If bumping, update `CODEQL_MINIMUM_VERSION` in `codeql.ts`
   "stable-v2.20.7",
@@ -155,7 +174,10 @@ const defaultTestVersions = [
   "linked",
   // A nightly build directly from the our private repo, built in the last 24 hours.
   "nightly-latest",
-];
+] as const satisfies Version[];
+
+/** A type representing the default test versions. */
+type DefaultTestVersion = (typeof defaultTestVersions)[number];
 
 /** The default versions we use for languages / frameworks, if not specified as a workflow input. */
 const defaultLanguageVersions = {
@@ -263,8 +285,8 @@ const languageSetups: LanguageSetups = {
         name: "Install Java",
         uses: pinnedUses(
           "actions/setup-java",
-          "de7274f081f381c8f8158605e0321c36c376e2e6",
-          "v6.0.1",
+          "b843ebf9b913146b38da2eaa7aeddf76074ae1ad",
+          "v6.1.0",
         ),
         with: {
           "java-version": `\${{ inputs.java-version || '${defaultLanguageVersions.java}' }}`,
@@ -281,8 +303,8 @@ const languageSetups: LanguageSetups = {
         name: "Install Python",
         uses: pinnedUses(
           "actions/setup-python",
-          "5fda3b95a4ea91299a34e894583c3862153e4b97",
-          "v7.0.0",
+          "6d4fd22b20465ccc0f7354476588e8df7c9ca0e0",
+          "v7.1.0",
         ),
         with: {
           "python-version": `\${{ inputs.python-version || '${defaultLanguageVersions.python}' }}`,
@@ -309,9 +331,11 @@ const languageSetups: LanguageSetups = {
   },
 };
 
-// This is essentially an arbitrary version of `yq`, which happened to be the one that
-// `choco` fetched when we moved away from using that here.
-// See https://github.com/github/codeql-action/pull/3423
+/**
+ * This is essentially an arbitrary version of `yq`, which happened to be the one that
+ * `choco` fetched when we moved away from using that here.
+ * See https://github.com/github/codeql-action/pull/3423
+ */
 const YQ_VERSION = "v4.50.1";
 
 const CHECKS_DIR = path.join(PR_CHECKS_DIR, "checks");
@@ -397,12 +421,6 @@ function generateJobMatrix(
       );
     }
 
-    const defaultRunnerImages = [
-      "ubuntu-latest",
-      "macos-latest",
-      "windows-latest",
-    ];
-
     for (const operatingSystemConfig of operatingSystems) {
       const operatingSystem =
         typeof operatingSystemConfig === "string"
@@ -432,16 +450,29 @@ function generateJobMatrix(
       const runnerImagesForOs =
         typeof operatingSystemConfig === "string" ||
         operatingSystemConfig["runner-image"] === undefined
-          ? defaultRunnerImages.filter((image) =>
+          ? Object.values(DEFAULT_RUNNER_IMAGES).filter((image) =>
               image.startsWith(operatingSystem),
             )
           : [operatingSystemConfig["runner-image"]];
 
       for (const runnerImage of runnerImagesForOs) {
-        matrix.push({
-          os: runnerImage,
-          version,
-        });
+        // stable-v2.20.7 requires an older version of Java than the default on `ubuntu-latest`.
+        // We could install that older version on the newer runners, or use the older runner.
+        // We do the latter here. This can be removed once we stop supporting `v2.20.7`.
+        // Since this is typed as `DefaultTestVersion`, it will become an error once `stable-v2.20.7`
+        // is removed from `defaultTestVersions`.
+        const requiresOlderRunnerImage: DefaultTestVersion = "stable-v2.20.7";
+        if (
+          runnerImage === DEFAULT_RUNNER_IMAGES["ubuntu"] &&
+          version === requiresOlderRunnerImage
+        ) {
+          matrix.push({ os: "ubuntu-24.04", version });
+        } else {
+          matrix.push({
+            os: runnerImage,
+            version,
+          });
+        }
       }
     }
   }
@@ -462,6 +493,20 @@ function generateJobMatrix(
   return matrix;
 }
 
+/**
+ * Gets the `actions/checkout` step.
+ */
+function getCheckoutStep(): Step {
+  return {
+    name: "Check out repository",
+    uses: pinnedUses(
+      "actions/checkout",
+      "3d3c42e5aac5ba805825da76410c181273ba90b1",
+      "v7.0.1",
+    ),
+  };
+}
+
 /**
  * Retrieves setup steps and additional input definitions based on specific languages or frameworks
  * that are requested by the `checkSpecification`.
@@ -531,14 +576,7 @@ function generateJob(
 
   // Construct the workflow steps needed for this check.
   const steps: Step[] = [
-    {
-      name: "Check out repository",
-      uses: pinnedUses(
-        "actions/checkout",
-        "3d3c42e5aac5ba805825da76410c181273ba90b1",
-        "v7.0.1",
-      ),
-    },
+    getCheckoutStep(),
     ...setupInfo.steps,
     {
       name: "Prepare test",
@@ -609,13 +647,16 @@ function generateJob(
 /** Generates a validation job. */
 function generateValidationJob(
   specDocument: yaml.Document,
-  jobSpecification: JobSpecification,
+  jobSpecification: ValidationJobSpecification,
   checkName: string,
   name: string,
 ) {
   // Determine which languages or frameworks have to be installed.
   const { inputs, steps } = getSetupSteps(jobSpecification);
 
+  // Construct a checkout step if requested.
+  const checkoutStep = jobSpecification.checkout ? [getCheckoutStep()] : [];
+
   // Extract the sequence of steps from the YAML document to persist as much formatting as possible.
   const specSteps = specDocument.getIn([
     "validationJobs",
@@ -624,18 +665,20 @@ function generateValidationJob(
   ]) as yaml.YAMLSeq;
 
   // Add the generated steps in front of the ones from the specification.
-  specSteps.items.unshift(...steps);
+  specSteps.items.unshift(...checkoutStep, ...steps);
+
+  const baseCondition = "github.triggering_actor != 'dependabot[bot]'";
 
   const validationJob: Record<string, any> = {
     name: jobSpecification.name,
-    if: "github.triggering_actor != 'dependabot[bot]'",
+    if: baseCondition,
     needs: [checkName],
     permissions: {
       contents: "read",
       "security-events": "read",
     },
     "timeout-minutes": 5,
-    "runs-on": "ubuntu-slim",
+    "runs-on": DEFAULT_RUNNER_IMAGES["ubuntu"],
     steps: specSteps,
   };
 

pr-checks/toolcache.ts

@@ -0,0 +1,94 @@
+#!/usr/bin/env npx tsx
+
+/**
+ * Provides utility commands for working with the Actions toolcache in PR checks.
+ */
+
+import fs from "fs";
+import { parseArgs } from "node:util";
+import path from "path";
+
+import * as core from "@actions/core";
+import * as toolcache from "@actions/tool-cache";
+
+function removeCodeQLFromToolcache() {
+  const toolcachePath = process.env["RUNNER_TOOL_CACHE"];
+
+  if (toolcachePath === undefined) {
+    throw new Error("Expected RUNNER_TOOL_CACHE to be defined");
+  }
+
+  const codeqlPath = path.join(toolcachePath, "CodeQL");
+  fs.rmSync(codeqlPath, { recursive: true });
+
+  core.info(`Removed '${codeqlPath}' from the toolcache.`);
+}
+
+function findCodeQL() {
+  return toolcache.findAllVersions("CodeQL");
+}
+
+function checkNoCodeQLInToolcache() {
+  const allCodeqlVersions = findCodeQL();
+  if (allCodeqlVersions.length !== 0) {
+    throw new Error(
+      `CodeQL should not be found in the toolcache, but found ${allCodeqlVersions}`,
+    );
+  }
+  core.info("No versions of CodeQL found in the toolcache");
+}
+
+function hasCodeQLInToolcache(expectedNumber?: string) {
+  const expected =
+    expectedNumber !== undefined
+      ? Number.parseInt(expectedNumber, 10)
+      : undefined;
+
+  const allCodeqlVersions = findCodeQL();
+  if (allCodeqlVersions.length === 0) {
+    throw new Error("CodeQL not found in toolcache");
+  }
+
+  core.info(`Found CodeQL versions: ${allCodeqlVersions.join(", ")}`);
+  if (expected !== undefined && allCodeqlVersions.length !== expected) {
+    throw new Error(
+      `Expected ${expected} versions of CodeQL in the toolcache, but found ${allCodeqlVersions.length}`,
+    );
+  }
+}
+
+function main() {
+  const { positionals, values } = parseArgs({
+    options: {
+      // The number of expected versions in the toolcache.
+      "expected-version-count": { type: "string", short: "n" },
+    },
+    allowPositionals: true,
+  });
+
+  if (positionals.length < 1) {
+    throw new Error("Command not specified.");
+  }
+
+  const cmd = positionals[0];
+
+  switch (cmd.trim().toLowerCase()) {
+    case "clear":
+      removeCodeQLFromToolcache();
+      return;
+    case "absent":
+      checkNoCodeQLInToolcache();
+      return;
+    case "installed":
+      hasCodeQLInToolcache(values["expected-version-count"]);
+      return;
+    default:
+      throw new Error(`Unknown command '${cmd}'.`);
+  }
+}
+
+try {
+  main();
+} catch (err) {
+  core.setFailed(err instanceof Error ? err.message : String(err));
+}