uplift(beta): sync the latest CI changes with beta branch

.github/actions/disk-cleanup/action.yml

@@ -0,0 +1,37 @@
+name: Disk cleanup
+description: Clean up disk space by removing unnecessary files
+runs:
+  using: 'composite'
+  steps:
+    - name: Clean up unnecessary files
+      shell: bash
+      run: |
+        # Remove Java JDKs
+        sudo rm -rf /usr/lib/jvm
+
+        # Remove .NET SDKs
+        sudo rm -rf /usr/share/dotnet
+
+        # Remove Swift toolchain
+        sudo rm -rf /usr/share/swift
+
+        # Remove Haskell (GHC)
+        sudo rm -rf /usr/local/.ghcup
+
+        # Remove Julia
+        sudo rm -rf /usr/local/julia*
+
+        # Remove Chromium (optional if not using for browser tests)
+        sudo rm -rf /usr/local/share/chromium
+
+        # Remove Microsoft/Edge and Google Chrome builds
+        sudo rm -rf /opt/microsoft /opt/google
+
+        # Remove Azure CLI
+        sudo rm -rf /opt/az
+
+        # Remove PowerShell
+        sudo rm -rf /usr/local/share/powershell
+
+        # Remove toolcaches
+        sudo rm -rf /opt/hostedtoolcache

.github/actions/disk-usage/action.yml

@@ -0,0 +1,24 @@
+name: Disk usage
+description: Show disk usage
+runs:
+  using: 'composite'
+  steps:
+    - name: Total runner disk usage
+      shell: bash
+      run: df -h /
+
+    - name: Workspace usage
+      shell: bash
+      run: du -sh $GITHUB_WORKSPACE || true
+
+    - name: Gradle user home usage
+      shell: bash
+      run: du -sh ~/.gradle || true
+
+    - name: Gradle cache usage
+      shell: bash
+      run: du -sh ~/.gradle/caches || true
+
+    - name: Build outputs usage
+      shell: bash
+      run: du -sh build app-*/build || true

.github/actions/setup-gradle/action.yml

@@ -0,0 +1,34 @@
+name: Set up Gradle build environment
+description: Prepares environment for building with JDK and Gradle
+inputs:
+  run-release:
+    description: 'Whether to run in release mode (true/false). In release mode, Gradle cache is not used.'
+    required: false
+    default: 'false'
+  add-job-summary:
+    description: 'Whether to add a job summary (always, never, on-failure).'
+    required: false
+    default: 'always'
+  write-cache:
+    description: 'Whether to write to the cache (true/false).'
+    required: false
+    default: 'false'
+runs:
+  using: 'composite'
+  steps:
+    - name: Copy CI gradle.properties
+      shell: bash
+      run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+    - name: Set up JDK
+      uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
+      with:
+        distribution: 'temurin'
+        java-version: '21'
+
+    - name: Set up Gradle without cache
+      uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
+      with:
+        cache-disabled: ${{ inputs.run-release }}
+        add-job-summary: ${{ inputs.add-job-summary }}
+        cache-read-only: ${{ inputs.write-cache == 'false' || inputs.run-release == 'true' }}

.github/ci-gradle.properties

@@ -1,7 +1,10 @@
-org.gradle.daemon=false
+org.gradle.daemon=true
 org.gradle.parallel=true
+org.gradle.caching=true
+org.gradle.configuration-cache=true
+org.gradle.configuration-cache.parallel=true
 org.gradle.workers.max=4
-org.gradle.jvmargs=-Xmx10g -XX:MaxMetaspaceSize=1g -Dfile.encoding=UTF-8 -XX:+UseParallelGC -XX:+HeapDumpOnOutOfMemoryError
+org.gradle.jvmargs=-Xmx10g -XX:MaxMetaspaceSize=4g -Dfile.encoding=UTF-8 -XX:+UseParallelGC
 
-kotlin.incremental=false
+kotlin.incremental=true
 kotlin.compiler.execution.strategy=in-process

.github/dependabot.yml

@@ -1,11 +1,26 @@
 version: 2
-commit-message:
-  prefix: chore
-  include: scope
-labels:
-  - "type: dependency"
 updates:
+  # Dependabot does not support GitHub composite actions by default (.github/actions)
+  # so we need to add the folder by hand to the directories entry.
   - package-ecosystem: "github-actions"
+    directories:
+      - "/"
+      - "/.github/actions/*"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "type: dependency"
+      - "type: github actions"
+    commit-message:
+      prefix: chore
+      include: scope
+  - package-ecosystem: "gradle"
     directory: "/"
     schedule:
       interval: "weekly"
+    labels:
+      - "type: dependency"
+      - "type: gradle"
+    commit-message:
+      prefix: chore
+      include: scope

.github/workflows/build-android.yml

@@ -0,0 +1,158 @@
+name: Android CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - '.idea/**'
+      - '.gitattributes'
+      - '.github/**.json'
+      - '.gitignore'
+      - '.gitmodules'
+      - '**.md'
+      - 'LICENSE'
+      - 'NOTICE'
+
+permissions:
+  contents: read
+
+concurrency:
+  group: android-ci-${{ github.ref }}-${{ github.event.pull_request.number || 'no-pr' }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  build-common:
+    name: Build common code
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Show disk usage
+        uses: ./.github/actions/disk-usage
+
+      - name: Cleanup disk
+        uses: ./.github/actions/disk-cleanup
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+        with:
+          write-cache: ${{ github.ref == 'refs/heads/main' }}
+
+      - name: Prime configuration and dependency cache
+        run: ./gradlew --no-daemon help
+
+      - name: Assemble common
+        run: ./gradlew :app-common:assemble
+
+      - name: Show disk usage
+        uses: ./.github/actions/disk-usage
+
+  build-k9:
+    name: Build K9 application
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    needs: [build-common]
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Build K9 application
+        run: ./gradlew :app-k9mail:assemble
+
+      - name: Check K9 Badging
+        run: |
+          ./gradlew :app-k9mail:checkFossReleaseBadging \
+                    :app-k9mail:checkFullReleaseBadging \
+                    -x assemble \
+                    -x build
+
+  build-thunderbird:
+    name: Build Thunderbird application
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    needs: [build-common]
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Build Thunderbird application
+        run: ./gradlew :app-thunderbird:assemble
+
+      - name: Check Thunderbird Badging
+        run: |
+          ./gradlew :app-thunderbird:checkFossBetaBadging \
+                    :app-thunderbird:checkFossDailyBadging \
+                    :app-thunderbird:checkFossReleaseBadging \
+                    :app-thunderbird:checkFullBetaBadging \
+                    :app-thunderbird:checkFullDailyBadging \
+                    :app-thunderbird:checkFullReleaseBadging \
+                    -x assemble \
+                    -x build
+
+  build-ui-catalog:
+    name: Build UI-catalog application
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    needs: [build-common]
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Build App UI-catalog application in Debug mode
+        run: ./gradlew :app-ui-catalog:assembleDebug
+
+  quality-unit-test:
+    name: Quality - Unit tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    needs: [build-common]
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Running unit tests
+        run: ./gradlew testsOnCi --parallel
+
+  quality-lint:
+    name: Quality - Lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    needs: [build-common]
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Running Android lint
+        run: ./gradlew lint

.github/workflows/build-cli-tools.yml

@@ -0,0 +1,35 @@
+name: CLI Tools CI
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'cli/**'
+  pull_request:
+    paths:
+      - 'cli/**'
+
+permissions:
+  contents: read
+
+concurrency:
+  group: cli-tools-ci-${{ github.ref }}-${{ github.event.pull_request.number || 'no-pr' }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  build-cli-tools:
+    name: Build CLI tools
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 1
+
+      - name: Setup Gradle environment
+        uses: ./.github/actions/setup-gradle
+
+      - name: Build CLI tools
+        run: ./gradlew buildCliTools