detect changed

Author: wu-hui

.github/workflows/test-changed-firestore.yml

@@ -10,6 +10,8 @@ jobs:
     name: Build Firestore
 
     runs-on: ubuntu-latest
+    outputs:
+      changed: ${{ steps.set-output.outputs.CHANGED }}
 
     steps:
       - name: Checkout Repo
@@ -32,11 +34,17 @@ jobs:
           cp config/ci.config.json config/project.json
           yarn
       - name: build
-        run: yarn build:changed firestore
+        id: build
+        run: yarn build:changed firestore | egrep "Skipping all"
+        # Only continue when "Skipping all is not found"
+        continue-on-error: true
+      - name: set output
+        id: set-output
+        run: echo "CHANGED=true" >> "$GITHUB_OUTPUT";
       - name: Archive build
         if: ${{ !cancelled() }}
         run: |
-          tar -cf build.tar --exclude="\.git" --exclude="node_modules".
+          tar -cf build.tar --exclude="\.git" --exclude="node_modules" .
           gzip build.tar
       - name: Upload build archive
         if: ${{ !cancelled() }}
@@ -52,6 +60,7 @@ jobs:
     runs-on: ubuntu-latest
 
     needs: build
+    if: ${{ needs.build.outputs.changed == 'true'}}
     steps:
       - name: Set up Node (14)
         uses: actions/setup-node@v3
@@ -84,6 +93,7 @@ jobs:
     runs-on: ubuntu-latest
 
     needs: build
+    if: ${{ needs.build.outputs.changed == 'true'}}
     steps:
       - name: Set up Node (14)
         uses: actions/setup-node@v3
@@ -119,6 +129,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     needs: build
+    if: ${{ needs.build.outputs.changed == 'true'}}
     steps:
       - name: install Firefox stable
         run: |