tools: use GITHUB_ACTIONS env var in inactivity scripts

Don't rewrite the README if we're not running inside a GitHub Action.

PR-URL: https://github.com/nodejs/node/pull/41422
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/tools/find-inactive-collaborators.mjs b/tools/find-inactive-collaborators.mjs
index e01b29ac5f..71a00b970a 100755
--- a/tools/find-inactive-collaborators.mjs
+++ b/tools/find-inactive-collaborators.mjs
@@ -189,8 +189,9 @@ const inactive = collaborators.filter((collaborator) =>
 if (inactive.length) {
   console.log('\nInactive collaborators:\n');
   console.log(inactive.map((entry) => `* ${entry.name}`).join('\n'));
-  console.log('\nGenerating new README.md file...');
-  const newReadmeText = await moveCollaboratorToEmeritus(inactive);
-  fs.writeFileSync(new URL('../README.md', import.meta.url), newReadmeText);
-  console.log('Updated README.md generated. Please commit these changes.');
+  if (process.env.GITHUB_ACTIONS) {
+    console.log('\nGenerating new README.md file...');
+    const newReadmeText = await moveCollaboratorToEmeritus(inactive);
+    fs.writeFileSync(new URL('../README.md', import.meta.url), newReadmeText);
+  }
 }