From 97a91d98616125e95e89676ea305057282666c3d Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Mon, 28 Sep 2026 19:03:35 +0100
Subject: [PATCH] Make `platform`+`arch` available in `BaseState`

---
 lib/entry-points.js  | 2 ++
 src/action-common.ts | 6 ++++++
 src/testing-utils.ts | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/lib/entry-points.js b/lib/entry-points.js
index 62b043f7b..5a8e49bc9 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -147730,6 +147730,8 @@ async function runInActions(action) {
     const actionState = {
       name: action.name,
       startedAt,
+      platform: process.platform,
+      arch: process.arch,
       logger,
       env,
       actions: actionsEnv
diff --git a/src/action-common.ts b/src/action-common.ts
index 95323e7f2..17d4344cc 100644
--- a/src/action-common.ts
+++ b/src/action-common.ts
@@ -19,6 +19,10 @@ export interface BaseState {
   name: ActionName;
   /** When the Action was started. */
   startedAt: Date;
+  /** The platform the Action is running on. */
+  platform: NodeJS.Platform;
+  /** The architecture of the host. */
+  arch: NodeJS.Architecture;
 }
 
 /** Describes different state features that an Action may have. */
@@ -98,6 +102,8 @@ export async function runInActions(action: Action) {
     const actionState = {
       name: action.name,
       startedAt,
+      platform: process.platform,
+      arch: process.arch,
       logger,
       env,
       actions: actionsEnv,
diff --git a/src/testing-utils.ts b/src/testing-utils.ts
index f15cee2e7..a5ba50554 100644
--- a/src/testing-utils.ts
+++ b/src/testing-utils.ts
@@ -234,6 +234,8 @@ export function initAllState(
   return {
     name: ActionName.Init,
     startedAt: new Date(),
+    platform: process.platform,
+    arch: process.arch,
     logger: new RecordingLogger(),
     env,
     actions: getTestActionsEnv(env),