ci: exclude internal/librariangen/** using dorny/paths-filter (#3961)

Author: meltsufin

.github/workflows/ci.yaml

@@ -5,7 +5,21 @@ on:
   pull_request:
 name: ci
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.filter.outputs.should_run }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
+      id: filter
+      with:
+        filters: |
+          should_run:
+            - '!internal/librariangen/**'
   build:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     strategy:
       matrix:
@@ -59,6 +73,8 @@ jobs:
           ./gradlew clean build publishToMavenLocal sourcesJar allJars
           popd
   build-java-21:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: "build(21) except self-service clients"
     # Support for Java 21 is available for all use cases except self-service clients.
     runs-on: ubuntu-22.04
@@ -92,6 +108,8 @@ jobs:
         run: |
           bazelisk --batch test //test/integration/...
   build-java-25:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: "build(25) except self-service clients"
     # Support for Java 25 is available for all use cases except self-service clients.
     runs-on: ubuntu-22.04
@@ -126,6 +144,8 @@ jobs:
         run: |
           bazelisk --batch test //test/integration/... --jvmopt=-Dcom.google.testing.junit.runner.shouldInstallTestSecurityManager=false
   build-java8-except-gapic-generator-java:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: "build(8) except for gapic-generator-java"
     runs-on: ubuntu-22.04
     steps:
@@ -172,6 +192,8 @@ jobs:
           GOOGLE_SDK_JAVA_LOGGING: true
 
   build-java8-gapic-generator-java:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: "build(8) for gapic-generator-java"
     runs-on: ubuntu-22.04
     steps:
@@ -219,6 +241,8 @@ jobs:
           popd
 
   lint:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
@@ -233,6 +257,8 @@ jobs:
         run: mvn -B -ntp fmt:check
 
   compatibility:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
@@ -248,6 +274,8 @@ jobs:
         run: mvn package clirr:check -DskipTests -Dfmt.skip
 
   build-java8-showcase:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: "build(8) for showcase"
     runs-on: ubuntu-22.04
     steps:
@@ -304,6 +332,8 @@ jobs:
             --batch-mode \
             --no-transfer-progress
   showcase:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     strategy:
       matrix:
@@ -374,7 +404,8 @@ jobs:
             --no-transfer-progress
 
   showcase-clirr:
-    if: ${{ github.base_ref != '' }} # Only execute on pull_request trigger event
+    needs: changes
+    if: ${{ github.base_ref != '' && needs.changes.outputs.should_run == 'true' }}
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout @ target branch
@@ -405,6 +436,8 @@ jobs:
           mvn clirr:check -B -ntp -Dclirr.skip=false -DcomparisonVersion=$SHOWCASE_CLIENT_VERSION
 
   gapic-generator-java-bom:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
@@ -422,6 +455,8 @@ jobs:
         bom-path: gapic-generator-java-bom/pom.xml
 
   unmanaged_dependency_check:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
@@ -445,6 +480,8 @@ jobs:
         bom-path: gapic-generator-java-bom/pom.xml
 
   dependency_analyzer_unit_test:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
@@ -458,4 +495,4 @@ jobs:
     - name: Unit Tests
       run: |
         mvn test --batch-mode --no-transfer-progress
-      working-directory: java-shared-dependencies/dependency-analyzer
+      working-directory: java-shared-dependencies/dependency-analyzer

.github/workflows/dependency_compatibility_test.yaml

@@ -15,7 +15,21 @@ on:
         default: ''
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.filter.outputs.should_run }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
+      id: filter
+      with:
+        filters: |
+          should_run:
+            - '!internal/librariangen/**'
   dependency-compatibility-test:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -73,4 +87,4 @@ jobs:
           else
             ../.github/scripts/test_dependency_compatibility.sh -f ../dependencies.txt
           fi
-        working-directory: java-showcase
+        working-directory: java-showcase

.github/workflows/java_compatibility_check.yaml

@@ -17,7 +17,21 @@ on:
   pull_request:
 name: Java 8 compatibility check
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.filter.outputs.should_run }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
+      id: filter
+      with:
+        filters: |
+          should_run:
+            - '!internal/librariangen/**'
   java8-compatibility-check:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
@@ -43,4 +57,4 @@ jobs:
             exit 1
           fi
         done
-        echo "All class files are compatible with Java 8."
+        echo "All class files are compatible with Java 8."

.github/workflows/sonar.yaml

@@ -6,7 +6,21 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.filter.outputs.should_run }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
+      id: filter
+      with:
+        filters: |
+          should_run:
+            - '!internal/librariangen/**'
   build:
+    needs: changes
+    if: needs.changes.outputs.should_run == 'true'
     name: Build
     runs-on: ubuntu-22.04
     steps:
@@ -76,4 +90,4 @@ jobs:
               -Dsonar.projectKey=googleapis_gapic-generator-java_integration_tests \
               -Dsonar.organization=googleapis \
               -Dsonar.host.url=https://sonarcloud.io \
-              -Dsonar.projectName=java_showcase_integration_tests
+              -Dsonar.projectName=java_showcase_integration_tests