Files
amethyst/.github/workflows/build.yml
T
Claude 19588be84b build(perf): trim build outputs for hooks, CI, and the shipped font
Headline numbers from a fresh `./gradlew assemble`:
- :commons material_symbols_outlined.ttf 11M -> 409K (subset to the 210
  codepoints actually referenced from MaterialSymbols.kt)
- :amethyst per-ABI APKs no longer built in CI (-PdisableAbiSplits=true);
  ~600M of stripped_native_libs intermediates skipped per run

Changes:
- .git-hooks/pre-push runs only :amethyst:testPlayDebugUnitTest plus jvmTest
  on the KMP modules instead of `./gradlew test`, which was compiling all six
  amethyst variants (play/fdroid x debug/release/benchmark)
- amethyst/build.gradle adds three opt-in fast-build flags:
    -PdisableAbiSplits=true       skip per-ABI APK splits
    -PdisableUniversalApk=true    skip the universal APK output
    -Pamethyst.skipMapping=true   disable R8 (release+benchmark)
  Defaults are unchanged; release pipelines must not set skipMapping.
- .github/workflows/build.yml uses gradle/actions/setup-gradle@v4 with
  cache-read-only on PRs / cache-write on main, drops --no-daemon, collapses
  the Android job to a single Gradle invocation (lint + focused debug unit
  tests + assembleBenchmark with -PdisableAbiSplits=true), and globs both
  APK naming patterns for the upload step.
- tools/material-symbols-subset/{subset.sh,README.md} regenerates the font
  from upstream + MaterialSymbols.kt; run after adding/removing icons.

Verified: ./gradlew :amethyst:help with all three new -P flags parses cleanly,
and ./gradlew :commons:jvmJar --rerun-tasks succeeds with the subsetted font
(commons-jvm jar shrinks from ~13M to 2.9M).

https://claude.ai/code/session_01YSmkagXXN5AwGcY4upiUh1
2026-05-05 22:49:43 +00:00

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name: Test/Build
on:
pull_request:
branches: [main]
push:
branches: [main]
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
lint:
runs-on: ubuntu-latest
timeout-minutes: 15
steps:
- name: Checkout code
uses: actions/checkout@v6
- name: Set up JDK 21
uses: actions/setup-java@v5
with:
distribution: 'zulu'
java-version: 21
# Remote Gradle build cache: writes on push to main, reads on PRs and
# other branches. Caches both `~/.gradle/caches/` and individual task
# outputs, so dependency-only changes hit the cache and skip recompiling
# downstream modules / re-merging native libs (~600MB of work on
# :amethyst alone). Replaces the narrower `cache: gradle` previously on
# actions/setup-java, which only cached `modules-2`.
- name: Set up Gradle
uses: gradle/actions/setup-gradle@v4
with:
cache-read-only: ${{ github.ref != 'refs/heads/main' }}
- name: Linter (gradle)
run: ./gradlew spotlessCheck
build-desktop:
needs: lint
strategy:
fail-fast: false
matrix:
include:
- os: ubuntu-latest
desktop-task: packageDeb
desktop-artifact-name: Desktop Linux DEB
desktop-artifact-path: desktopApp/build/compose/binaries/main/deb/*.deb
- os: macos-latest
desktop-task: packageDmg
desktop-artifact-name: Desktop macOS DMG
desktop-artifact-path: desktopApp/build/compose/binaries/main/dmg/*.dmg
- os: windows-latest
desktop-task: packageMsi
desktop-artifact-name: Desktop Windows MSI
desktop-artifact-path: desktopApp/build/compose/binaries/main/msi/*.msi
runs-on: ${{ matrix.os }}
timeout-minutes: 60
defaults:
run:
shell: bash
steps:
- name: Checkout code
uses: actions/checkout@v6
- name: Set up JDK 21
uses: actions/setup-java@v5
with:
distribution: 'zulu'
java-version: 21
- name: Set up Gradle
uses: gradle/actions/setup-gradle@v4
with:
cache-read-only: ${{ github.ref != 'refs/heads/main' }}
# Cache vlc-setup plugin downloads (VLC + UPX archives) keyed on the
# versions pinned in desktopApp/build.gradle.kts. Each OS gets its own
# cache namespace because the plugin downloads platform-specific archives.
# On a hit the vlcDownload / upxDownload tasks are up-to-date and we
# never touch get.videolan.org; on a miss (version bump or new runner)
# we fall back to fetching, which is what the in-build retry budget
# exists for.
- name: Cache vlc-setup downloads
uses: actions/cache@v4
with:
path: ~/.gradle/vlcSetup
key: vlcsetup-${{ runner.os }}-${{ hashFiles('desktopApp/build.gradle.kts') }}
restore-keys: |
vlcsetup-${{ runner.os }}-
- name: Test + Build Desktop (gradle)
run: ./gradlew :quartz:jvmTest :commons:jvmTest :nestsClient:jvmTest :cli:test :desktopApp:test :desktopApp:${{ matrix.desktop-task }}
# jpackage pins libicu to the build host's version (libicu74 on
# ubuntu-24.04). Rewrite the .deb so testers on other Debian/Ubuntu
# releases can install the uploaded artifact.
- name: Relax libicu dependency in .deb
if: matrix.desktop-task == 'packageDeb'
run: |
set -euo pipefail
chmod +x scripts/relax-deb-libicu.sh
scripts/relax-deb-libicu.sh desktopApp/build/compose/binaries/main/deb/*.deb
- name: Upload Desktop Distribution
uses: actions/upload-artifact@v7
with:
name: ${{ matrix.desktop-artifact-name }}
path: ${{ matrix.desktop-artifact-path }}
test-and-build-android:
needs: lint
runs-on: ubuntu-latest
timeout-minutes: 60
steps:
- name: Checkout code
uses: actions/checkout@v6
- name: Set up JDK 21
uses: actions/setup-java@v5
with:
distribution: 'zulu'
java-version: 21
- name: Set up Gradle
uses: gradle/actions/setup-gradle@v4
with:
cache-read-only: ${{ github.ref != 'refs/heads/main' }}
# Lint + focused unit tests + benchmark assembly in one Gradle invocation.
# Previously: one invocation for lint, one for `test` (which compiled all
# six amethyst variants × all flavors), one for `assembleBenchmark`
# (re-walking the same task graph). Combining them keeps the daemon hot
# across phases and lets task-level dedup (e.g. compileKotlin) only
# happen once.
#
# `-PdisableAbiSplits=true` produces a single non-split APK per
# (flavor, buildType) instead of 5 (4 ABIs + universal). The CI only
# uploads the universal-equivalent benchmark APK; per-ABI splits were
# being built and discarded, costing ~600MB of stripped_native_libs
# intermediates and several minutes per run.
#
# Test scope: only Debug unit tests for amethyst. The release/benchmark
# variants are compile-equivalent for unit-test purposes; running all six
# adds ~5× the kotlinc work without catching new defects on PRs. Push to
# main still gets the full test matrix via the production-build path.
- name: Test + Build Android (gradle)
run: |
./gradlew \
:amethyst:lintFdroidBenchmark \
:amethyst:lintPlayBenchmark \
:quartz:jvmTest \
:commons:jvmTest \
:nestsClient:jvmTest \
:ammolite:testDebugUnitTest \
:amethyst:testFdroidDebugUnitTest \
:amethyst:testPlayDebugUnitTest \
:amethyst:assembleBenchmark \
-PdisableAbiSplits=true
- name: Upload Android Lint Reports
uses: actions/upload-artifact@v7
if: always()
with:
name: Android Lint Reports
path: amethyst/build/reports/lint-results-*.html
- name: Android Test Report
uses: asadmansr/android-test-report-action@v1.2.0
if: always()
- name: Upload Test Results
uses: actions/upload-artifact@v7
if: failure()
with:
name: Test Reports
path: amethyst/build/reports
# With -PdisableAbiSplits=true the APK is named without the ABI/universal
# suffix: amethyst-<flavor>-benchmark.apk. Glob both forms so this still
# works if a contributor runs CI on a branch that doesn't pass the flag.
- name: Upload Play APK Benchmark
uses: actions/upload-artifact@v7
with:
name: Play Benchmark APK
path: |
amethyst/build/outputs/apk/play/benchmark/amethyst-play-benchmark.apk
amethyst/build/outputs/apk/play/benchmark/amethyst-play-universal-benchmark.apk
- name: Upload FDroid APK Benchmark
uses: actions/upload-artifact@v7
with:
name: FDroid Benchmark APK
path: |
amethyst/build/outputs/apk/fdroid/benchmark/amethyst-fdroid-benchmark.apk
amethyst/build/outputs/apk/fdroid/benchmark/amethyst-fdroid-universal-benchmark.apk
- name: Upload Compose Reports
uses: actions/upload-artifact@v7
with:
name: Compose Reports
path: amethyst/build/compose_compiler