Periodic Merges (haskell-updates) #3
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| # This action periodically merges a merge base of master and staging into haskell-updates. | |
| # | |
| # haskell-updates is based on master (so there are little unrelated failures and the cache | |
| # is already prepopulated), but needs to target staging due to the high amount of rebuilds | |
| # it typically causes. To prevent unrelated commits clattering the GitHub UI, we need to | |
| # take care to only merge the merge-base of master and staging into haskell-updates. | |
| # | |
| # See also https://github.com/NixOS/nixpkgs/issues/361143. | |
| name: "Periodic Merges (haskell-updates)" | |
| on: | |
| schedule: | |
| # * is a special character in YAML so you have to quote this string | |
| # Merge every 24 hours | |
| - cron: '0 0 * * *' | |
| workflow_dispatch: | |
| permissions: | |
| contents: read | |
| jobs: | |
| periodic-merge: | |
| permissions: | |
| contents: write # for devmasx/merge-branch to merge branches | |
| pull-requests: write # for peter-evans/create-or-update-comment to create or update comment | |
| if: github.repository_owner == 'NixOS' | |
| runs-on: ubuntu-24.04 | |
| name: git merge-base master staging → haskell-updates | |
| steps: | |
| - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| fetch-depth: 0 | |
| # Note: If we want to do something similar for more branches, we can move this into a | |
| # separate job, so we can use the matrix strategy again. | |
| - name: Find merge base of master and staging | |
| id: find_merge_base_step | |
| run: | | |
| merge_base="$(git merge-base refs/remotes/origin/master refs/remotes/origin/staging)" | |
| echo "Found merge base: $merge_base" >&2 | |
| echo "merge_base=$merge_base" >> "$GITHUB_OUTPUT" | |
| - name: git merge-base master staging → haskell-updates | |
| uses: devmasx/merge-branch@854d3ac71ed1e9deb668e0074781b81fdd6e771f # 1.4.0 | |
| with: | |
| type: now | |
| head_to_merge: ${{ steps.find_merge_base_step.outputs.merge_base }} | |
| target_branch: haskell-updates | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Comment on failure | |
| uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4.0.0 | |
| if: ${{ failure() }} | |
| with: | |
| issue-number: 367709 | |
| body: | | |
| Periodic merge from `${{ steps.find_merge_base_step.outputs.merge_base }}` into `haskell-updates` has [failed](https://github.com/NixOS/nixpkgs/actions/runs/${{ github.run_id }}). |