1 # This action periodically merges base branches into staging branches.
3 # * prevent conflicts or rather resolve them early
4 # * make all potential breakage happen on the staging branch
5 # * and make sure that all major rebuilds happen before the staging
6 # branch get’s merged back into its base branch.
8 name: "Periodic Merges (6h)"
13 # * is a special character in YAML so you have to quote this string
23 contents: write # for devmasx/merge-branch to merge branches
24 pull-requests: write # for peter-evans/create-or-update-comment to create or update comment
25 if: github.repository_owner == 'NixOS'
26 runs-on: ubuntu-latest
28 # don't fail fast, so that all pairs are tried
30 # certain branches need to be merged in order, like master->staging-next->staging
31 # and disabling parallelism ensures the order of the pairs below.
39 name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
41 - uses: actions/checkout@v4
43 - name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
44 uses: devmasx/merge-branch@1.4.0
47 from_branch: ${{ matrix.pairs.from }}
48 target_branch: ${{ matrix.pairs.into }}
49 github_token: ${{ secrets.GITHUB_TOKEN }}
51 - name: Comment on failure
52 uses: peter-evans/create-or-update-comment@v3
57 Periodic merge from `${{ matrix.pairs.from }}` into `${{ matrix.pairs.into }}` has [failed](https://github.com/NixOS/nixpkgs/actions/runs/${{ github.run_id }}).