CleanUpCache #28542
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name: CleanUpCache | |
on: | |
workflow_run: | |
workflows: [🧴 clang sanitizers, 🧹 clang-tidy, 🔍 CodeQL, 🐧 CUDA, 🐧 HIP, 🐧 Intel, 🍏 macOS, 🐧 OpenMP] | |
types: | |
- completed | |
jobs: | |
CleanUpCcacheCache: | |
name: Clean Up Ccache Cache for ${{ github.event.workflow_run.name }} | |
runs-on: ubuntu-latest | |
permissions: | |
actions: write | |
contents: read | |
env: | |
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
steps: | |
- uses: actions/checkout@v4 | |
- name: Clean up ccache | |
run: | | |
gh extension install actions/gh-actions-cache | |
REPO=${{ github.repository }} | |
# push or pull_request or schedule or ... | |
EVENT=${{ github.event.workflow_run.event }} | |
# Triggering workflow run name (e.g., LinuxClang) | |
WORKFLOW_NAME="${{ github.event.workflow_run.name }}" | |
# For debugging, cat ${GITHUB_EVENT_PATH} to see the payload. | |
if [[ $EVENT == "pull_request" ]]; then | |
pr_head_sha=${{ github.event.workflow_run.head_sha }} | |
pr_number=$(gh pr list --search $pr_head_sha --json number --jq '.[0].number') | |
echo "Clean up cache for PR ${pr_number}" | |
BRANCH=refs/pull/${pr_number}/merge | |
else | |
BRANCH=refs/heads/${{ github.event.workflow_run.head_branch }} | |
fi | |
# Setting this to not fail the workflow while deleting cache keys. | |
set +e | |
# In our cache keys, substring after `-git-` is git hash, substring | |
# before that is a unique id for jobs (e.g., `ccache-LinuxClang-configure-2d`). | |
# The goal is to keep the last used key of each job and delete all others. | |
# something like ccache-LinuxClang- | |
keyprefix="ccache-${WORKFLOW_NAME}-" | |
cached_jobs=$(gh actions-cache list -L 100 -R $REPO -B $BRANCH --key "$keyprefix" | awk -F '-git-' '{print $1}' | sort | uniq) | |
# cached_jobs is something like "ccache-LinuxClang-configure-1d ccache-LinuxClang-configure-2d". | |
# It might also contain spaces. Thus we set IFS to \n. | |
IFS=$'\n' | |
for j in $cached_jobs | |
do | |
# Delete all entries except the last used one | |
old_keys=$(gh actions-cache list -L 100 -R $REPO -B $BRANCH --key "${j}-git-" --sort last-used | cut -f 1 | tail -n +2) | |
for k in $old_keys | |
do | |
gh actions-cache delete "$k" -R $REPO -B $BRANCH --confirm | |
done | |
done | |
unset IFS |