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CleanUpCachePostPR #168

CleanUpCachePostPR

CleanUpCachePostPR #168

name: CleanUpCachePostPR
on:
workflow_run:
workflows: [PostPR]
types:
- completed
jobs:
CleanUpCcacheCachePostPR:
name: Clean Up Ccache Cache Post PR
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 }}
# For debugging cat ${GITHUB_EVENT_PATH} to see the payload.
pr_head_sha=${{ github.event.workflow_run.head_sha }}
pr_number=$(gh pr list --state all --search $pr_head_sha --json number --jq '.[0].number')
echo "Post-PR cache cleanup for PR ${pr_number}"
BRANCH=refs/pull/${pr_number}/merge
# Setting this to not fail the workflow while deleting cache keys.
set +e
keys=$(gh actions-cache list -L 100 -R $REPO -B $BRANCH | cut -f 1)
# $keys might contain spaces. Thus we set IFS to \n.
IFS=$'\n'
for k in $keys
do
gh actions-cache delete "$k" -R $REPO -B $BRANCH --confirm
done
unset IFS