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fix(ci): keep Android ccache key stable through build #16

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Merged
andrescera merged 1 commit into from
Jul 14, 2026
Merged

fix(ci): keep Android ccache key stable through build #16

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11 changes: 8 additions & 3 deletions .github/workflows/android.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,12 +23,17 @@ jobs:
add-to-path: false
- uses: actions/checkout@v7
- name: Configure ccache environment
run: echo "CCACHE_DIR=$RUNNER_TEMP/ccache" >> "$GITHUB_ENV"
id: ccache
env:
CACHE_KEY: srt-ccache-android-r23-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('CMakeLists.txt', 'cmake_object_lib_support.c', 'apps/**', 'common/**', 'configure', 'configure-data.tcl', 'haicrypt/**', 'scripts/**', 'srtcore/**') }}
run: |
echo "CCACHE_DIR=$RUNNER_TEMP/ccache" >> "$GITHUB_ENV"
echo "key=$CACHE_KEY" >> "$GITHUB_OUTPUT"
- name: Restore ccache
uses: actions/cache/restore@v6
with:
path: ${{ runner.temp }}/ccache
key: srt-ccache-android-r23-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('CMakeLists.txt', 'cmake_object_lib_support.c', 'apps/**', 'common/**', 'configure', 'configure-data.tcl', 'haicrypt/**', 'scripts/**', 'srtcore/**') }}
key: ${{ steps.ccache.outputs.key }}
restore-keys: srt-ccache-android-r23-${{ runner.os }}-${{ runner.arch }}-
- name: Set up ccache
run: |
Expand All @@ -46,7 +51,7 @@ jobs:
uses: actions/cache/save@v6
with:
path: ${{ runner.temp }}/ccache
key: srt-ccache-android-r23-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('CMakeLists.txt', 'cmake_object_lib_support.c', 'apps/**', 'common/**', 'configure', 'configure-data.tcl', 'haicrypt/**', 'scripts/**', 'srtcore/**') }}
key: ${{ steps.ccache.outputs.key }}
- name: Show ccache statistics
if: always()
run: ccache --show-stats
4 changes: 4 additions & 0 deletions AGENTS.md
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Expand Up @@ -164,6 +164,10 @@ restore-only so untrusted code cannot seed executable compiler output. Every
cache is capped at 200 MB, and CMake is wired through
`CMAKE_C_COMPILER_LAUNCHER=ccache` and
`CMAKE_CXX_COMPILER_LAUNCHER=ccache`.
When a build can generate files beneath a hashed source glob, compute the key
once from the clean post-checkout tree and reuse that immutable value for both
restore and save. The Android workflow does this because `build-android`
creates dependency and ABI output beneath its hashed `scripts/**` tree.

| Workflow | Coverage |
|----------|----------|
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