Cleanup GitHub caches #539
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| # Cleaning caches | |
| # | |
| # https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries | |
| # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#force-deletion-of-caches-overriding-default-cache-eviction-policy | |
| name: Cleanup GitHub caches | |
| on: | |
| pull_request: | |
| types: | |
| - closed | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '27 20 * * *' | |
| env: | |
| GH_TOKEN: "${{ secrets.GITHUB_TOKEN }}" | |
| jobs: | |
| cleanup: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| # `actions:write` permission is required to delete caches | |
| # See also: https://docs.github.com/en/rest/actions/cache?apiVersion=2022-11-28#delete-a-github-actions-cache-for-a-repository-using-a-cache-id | |
| actions: write | |
| contents: read | |
| steps: | |
| - name: Check out code | |
| uses: actions/checkout@v4 | |
| - name: Install prerequisites | |
| run: | | |
| gh extension install actions/gh-actions-cache | |
| - name: Cleanup cache from non default branch | |
| if: contains(fromJSON('["schedule", "workflow_dispatch"]'), github.event_name) | |
| run: | | |
| REPO=${{ github.repository }} | |
| # Cannot use github.event.repository.default_branch variable | |
| # as it does not work when when running schedule events via cron. | |
| # when github.event_name == "schedule" the only element in github.event is schedule (the cron string that triggered the run). | |
| DEFAULT_BRANCH="$(gh repo view --json defaultBranchRef --jq .defaultBranchRef.name)" | |
| CACHES_TO_REMOVE="$(gh actions-cache list -R "${REPO}" --order asc -L 100 |grep -v "${DEFAULT_BRANCH}" | cut -f 1)" | |
| ## Setting this to not fail the workflow while deleting cache keys. | |
| set +e | |
| echo "Deleting caches..." | |
| for cacheKey in ${CACHES_TO_REMOVE} | |
| do | |
| gh actions-cache delete "${cacheKey}" -R "${REPO}" --confirm | |
| done | |
| echo "Done" | |
| - name: Cleanup cache from closed pull request | |
| if: github.event_name == 'pull_request' | |
| run: | | |
| REPO=${{ github.repository }} | |
| BRANCH=refs/pull/${{ github.event.pull_request.number }}/merge | |
| echo "Fetching list of cache key" | |
| cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 ) | |
| ## Setting this to not fail the workflow while deleting cache keys. | |
| set +e | |
| echo "Deleting caches..." | |
| for cacheKey in $cacheKeysForPR | |
| do | |
| gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm | |
| done | |
| echo "Done" |