update

pnpm v11 moved global binaries from PNPM_HOME to PNPM_HOME/bin.
Add the new bin subdirectory to PATH so that pnpm's global bin
directory check passes. This is backwards compatible — the extra
PATH entry is harmless for older pnpm versions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/pr-check.yaml

@@ -0,0 +1,28 @@
+name: pr-check
+
+on: [ pull_request ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
+        with:
+          run_install: true
+          version: 9
+
+      - name: Update dist/index.js
+        run: pnpm run build
+
+      - name: Check for uncommitted changes in dist
+        run: git diff --exit-code dist/index.js

src/install-pnpm/index.ts

@@ -1,27 +1,16 @@
-import { setFailed, startGroup, endGroup } from "@actions/core";
-import { Inputs } from "../inputs";
-import runSelfInstaller from "./run";
-import { exec } from "child_process";
-import { promisify } from "util";
+import { setFailed, startGroup, endGroup } from '@actions/core'
+import { Inputs } from '../inputs'
+import runSelfInstaller from './run'
 
-export { runSelfInstaller };
-const execAsync = promisify(exec);
+export { runSelfInstaller }
 
 export async function install(inputs: Inputs) {
-  try {
-    await execAsync("pnpm --version");
-    return;
-  } catch {}
-
-  startGroup("Running self-installer...");
-  const status = await runSelfInstaller(inputs);
-  endGroup();
-
+  startGroup('Running self-installer...')
+  const status = await runSelfInstaller(inputs)
+  endGroup()
   if (status) {
-    return setFailed(
-      `Something went wrong, self-installer exits with code ${status}`,
-    );
+    return setFailed(`Something went wrong, self-installer exits with code ${status}`)
   }
 }
 
-export default install;
+export default install

src/install-pnpm/run.ts

@@ -44,6 +44,7 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   if (exitCode === 0) {
     const pnpmHome = path.join(dest, 'node_modules/.bin')
     addPath(pnpmHome)
+    addPath(path.join(pnpmHome, 'bin'))
     exportVariable('PNPM_HOME', pnpmHome)
   }
   return exitCode

src/utils/index.ts

@@ -6,5 +6,5 @@ export const getBinDest = (inputs: Inputs): string => path.join(inputs.dest, 'no
 
 export const patchPnpmEnv = (inputs: Inputs): NodeJS.ProcessEnv => ({
   ...process.env,
-  PATH: getBinDest(inputs) + path.delimiter + process.env.PATH,
+  PATH: path.join(getBinDest(inputs), 'bin') + path.delimiter + getBinDest(inputs) + path.delimiter + process.env.PATH,
 })