build(pr): dedicate step for uncommitted files check

.github/workflows/build-pr.yml

@@ -149,10 +149,6 @@ jobs:
         run: |
           yarn workspace @telekom/scale-components build
 
-      - name: Check for uncommitted changes
-        run: |
-          sh scripts/porcelain.sh
-
       - name: Build Storybook
         run: |
           yarn workspace @telekom/scale-storybook-vue build --quiet
@@ -171,3 +167,38 @@ jobs:
         with:
           name: diff-output
           path: packages/visual-tests/src/__image_snapshots__/__diff_output__
+
+  uncommitted-changes:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Restore Lerna
+        id: yarn-cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            node_modules
+            */*/node_modules
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+
+      - name: Install project dependencies
+        if: steps.yarn-cache.outputs.cache-hit != 'true'
+        run: yarn
+
+      - name: Run Lerna bootstrap
+        if: steps.yarn-cache.outputs.cache-hit != 'true'
+        run: |
+          yarn bootstrap
+
+      - name: Generate files
+        run: |
+          yarn lerna run generate
+
+      - name: Build Components
+        run: |
+          yarn workspace @telekom/scale-components build
+
+      - name: Check for uncommitted changes
+        run: |
+          sh scripts/porcelain.sh

scripts/porcelain.sh

@@ -1,13 +1,11 @@
-source ./scripts/_colors.sh;
-source ./scripts/_header.sh;
 echo "--------"
-echo "${GREEN}Check for uncommitted build outputs...${NC}"
+echo "Check for uncommitted build outputs..."
 echo "--------"
 if [ -z $(git status --porcelain) ];
 then
-    echo "${GREEN}Working copy is clean"
+    echo "Working copy is clean"
 else
-    echo "${RED}Please commit your changes"
+    echo "Please commit your changes"
     git status
     exit 1
 fi