Refactor: Add determineCheckoutPath function for analyze action

src/analyze-action.ts

@@ -10,6 +10,7 @@ import * as analyses from "./analyses";
 import {
   CodeQLAnalysisError,
   dbIsFinalized,
+  determineCheckoutPath,
   QueriesStatusReport,
   runFinalize,
   runQueries,
@@ -212,13 +213,11 @@ async function runAutobuildIfLegacyGoWorkflow(config: Config, logger: Logger) {
   await runAutobuild(config, BuiltInLanguage.go, logger);
 }
 
-async function run({
-  startedAt,
-  logger,
-  actions,
-}: ActionState<["Base", "Logger", "Actions"]>) {
+async function run(action: ActionState<["Base", "Logger", "Env", "Actions"]>) {
   // To capture errors appropriately, keep as much code within the try-catch as
   // possible, and only use safe functions outside.
+  const startedAt = action.startedAt;
+  const logger = action.logger;
 
   let uploadResults:
     | Partial<Record<analyses.AnalysisKind, UploadResult>>
@@ -311,7 +310,7 @@ async function run({
       logger,
     );
 
-    const checkoutPath = actions.getRequiredInput("checkout_path");
+    const checkoutPath = determineCheckoutPath(action);
 
     // Setup diff informed analysis if needed (based on whether init created the file)
     const diffRangePackDir = await setupDiffInformedQueryRun(

src/analyze.ts

@@ -5,6 +5,7 @@ import { performance } from "perf_hooks";
 import * as io from "@actions/io";
 import * as yaml from "js-yaml";
 
+import type { ActionState } from "./action-common";
 import { getTemporaryDirectory } from "./actions-util";
 import * as analyses from "./analyses";
 import { setupCppAutobuild } from "./autobuild";
@@ -85,6 +86,17 @@ export interface QueriesStatusReport
   event_reports?: EventReport[];
 }
 
+/**
+ * Determines the path at which the repository being analysed is checked out at.
+ * Returns the value of the required `checkout_path` input and validates that it
+ * refers to the root of a repository.
+ *
+ * @param action The action state.
+ */
+export function determineCheckoutPath(action: ActionState<["Actions"]>) {
+  return action.actions.getRequiredInput("checkout_path");
+}
+
 async function setupPythonExtractor(logger: Logger) {
   const codeqlPython = process.env["CODEQL_PYTHON"];
   if (codeqlPython === undefined || codeqlPython.length === 0) {