Run the build on 'main' periodically to keep the caches alive #287
Workflow file for this run
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| # yamllint disable rule:line-length | |
| # yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json | |
| # Taken from https://github.com/actions/cache/blob/main/tips-and-workarounds.md#force-deletion-of-caches-overriding-default-cache-eviction-policy | |
| name: cleanup caches by a branch | |
| on: # yamllint disable-line rule:truthy | |
| pull_request: | |
| types: | |
| - closed | |
| workflow_dispatch: | |
| jobs: | |
| cleanup: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Cleanup | |
| run: | | |
| gh extension install actions/gh-actions-cache | |
| set -x | |
| REPO=${{ github.repository }} | |
| # The github.ref should be refs/pull/XXX/merge, but for some reason, it was set to 'main' in an actual run. Debugging this would be a ginormous pain, since it can apparently only be properly done on an actual merge/close (when I tried testing it locally with a close, it *did* work!), and so we'll just set this manually and ignore it for now. Accidentally deleting the caches on main is unacceptable. | |
| # BRANCH=${{ github.ref }} | |
| BRANCH=${PR_TARGET_NAME} | |
| 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" | |
| env: | |
| # Note that this can only run on branches from the repo; otherwise, we don't have write permissions so we can't delete the caches | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR_TARGET_NAME: ${{ format('refs/pull/{0}/merge', github.event.number) }} |