Merge pull request #5328 from vector-im/feature/dla/ci_check_concurrency

Add concurrency to the GitHub workflows to auto-cancel older runs of actions in PRs.

.github/workflows/build.yml

@@ -20,6 +20,10 @@ jobs:
       fail-fast: false
       matrix:
         target: [ Gplay, Fdroid ]
+    # Allow all jobs on develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/develop' && format('integration-tests-develop-{0}-{1}', matrix.target, github.sha) || format('build-debug-{0}-{1}', matrix.target, github.ref)  }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -43,6 +47,7 @@ jobs:
     name: Build unsigned GPlay APKs
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main'
+    # Only runs on main, no concurrency.
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2

.github/workflows/gradle-wrapper-validation.yml

@@ -5,6 +5,7 @@ jobs:
   validation:
     name: "Validation"
     runs-on: ubuntu-latest
+    # No concurrency required, this is a prerequisite to other actions and should run every time.
     steps:
       - uses: actions/checkout@v2
       - uses: gradle/wrapper-validation-action@v1

.github/workflows/nightly.yml

@@ -20,6 +20,7 @@ jobs:
   build-android-test-matrix-sdk:
     name: Matrix SDK - Build Android Tests
     runs-on: macos-latest
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -37,6 +38,7 @@ jobs:
   build-android-test-app:
     name: App - Build Android Tests
     runs-on: macos-latest
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -58,6 +60,7 @@ jobs:
       fail-fast: false
       matrix:
         api-level: [ 28 ]
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - uses: gradle/wrapper-validation-action@v1
@@ -193,6 +196,7 @@ jobs:
       fail-fast: false
       matrix:
         api-level: [ 28 ]
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
         with:
@@ -249,6 +253,7 @@ jobs:
       - integration-tests
       - ui-tests
     if: always()
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: michaelkaye/matrix-hookshot-action@v0.2.0
         with:

.github/workflows/quality.yml

@@ -18,6 +18,10 @@ jobs:
   ktlint:
     name: Kotlin Linter
     runs-on: ubuntu-latest
+    # Allow all jobs on main and develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/main' && format('ktlint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('ktlint-develop-{0}', github.sha) || format('ktlint-{0}', github.ref) }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - name: Run ktlint
@@ -87,6 +91,10 @@ jobs:
   android-lint:
     name: Android Linter
     runs-on: ubuntu-latest
+    # Allow all jobs on main and develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/main' && format('android-lint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('android-lint-develop-{0}', github.sha) || format('android-lint-{0}', github.ref) }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -116,6 +124,10 @@ jobs:
       fail-fast: false
       matrix:
         target: [ Gplay, Fdroid ]
+    # Allow all jobs on develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/develop' && format('apk-lint-develop-{0}-{1}', matrix.target, github.sha) || format('apk-lint-{0}-{1}', matrix.target, github.ref) }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2

.github/workflows/sync-from-external-sources.yml

@@ -9,6 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     # Skip in forks
     if: github.repository == 'vector-im/element-android'
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.8
@@ -35,6 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     # Skip in forks
     if: github.repository == 'vector-im/element-android'
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.8
@@ -60,6 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     # Skip in forks
     if: github.repository == 'vector-im/element-android'
+    # No concurrency required, runs every time on a schedule.
     steps:
       - uses: actions/checkout@v2
       - name: Run analytics import script

.github/workflows/tests.yml

@@ -15,6 +15,10 @@ jobs:
   unit-tests:
     name: Run Unit Tests
     runs-on: ubuntu-latest
+    # Allow all jobs on main and develop. Just one per PR.
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/main' && format('unit-tests-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('unit-tests-develop-{0}', github.sha) || format('unit-tests-{0}', github.ref) }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2