chore(ci): get current branch name correctly on GitHub Action

.github/actions/setup/action.yml

@@ -6,6 +6,9 @@ inputs:
   type:
     description: Type of setup, `minimal` will only run the JavaScript installation.
     required: false
+  workflow_name:
+    description: Name of the workflow that is executing this action.
+    required: false
 
 runs:
   using: composite
@@ -44,7 +47,7 @@ runs:
       shell: bash
       run: |
         previousCommit=${{ github.event.before }}
-        baseRef=${{ github.base_ref }}
+        baseref=${{ inputs.workflow_name == 'release' && 'main' || github.base_ref }}
         origin=$( [[ -z $baseRef ]] && echo $previousCommit || echo "origin/$baseRef" )
 
         yarn workspace scripts setRunVariables "$origin"

.github/workflows/process-release.yml

@@ -19,6 +19,8 @@ jobs:
       - name: Setup
         id: setup
         uses: ./.github/actions/setup
+        with:
+          workflow_name: process-release
 
       - run: yarn workspace scripts processRelease
         env:

scripts/ci/setRunVariables.ts

@@ -109,11 +109,13 @@ async function setRunVariables({
 }
 
 if (require.main === module) {
-  const [origin] = process.argv.slice(2);
+  const [originBranch] = process.argv.slice(2);
 
-  if (!origin) {
-    throw new Error(`Unable to retrieve the origin: ${origin}`);
+  if (!originBranch) {
+    throw new Error(
+      `Unable to retrieve the origin branch: ${JSON.stringify(originBranch)}`
+    );
   }
 
-  setRunVariables({ originBranch: origin });
+  setRunVariables({ originBranch });
 }