nixpkgs/.github/workflows/periodic-merge-6h.yml
Martin Weinelt 3f40ca48bc
.github/workflows/periodic-merge: generalize from merge-staging
By generalizing the previous merge-staging action we can support a large
number of branch pairs that need to be merged periodically.

Provide two intervals, daily and every six hours, to accomodate
different needs.

Co-Authored-By: Malte Brandy <malte.brandy@maralorn.de>
2021-06-30 22:42:16 +02:00

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# This action periodically merges base branches into staging branches.
# This is done to
# * prevent conflicts or rather resolve them early
# * make all potential breakage happen on the staging branch
# * and make sure that all major rebuilds happen before the staging
# branch gets merged back into its base branch.
name: "Periodic Merges"
on:
schedule:
# * is a special character in YAML so you have to quote this string
# Merge every 6 hours
- cron: '0 */6 * * *'
jobs:
periodic-merge:
if: github.repository_owner == 'NixOS'
runs-on: ubuntu-latest
strategy:
# don't fail fast, so that all pairs are tried
fail-fast: false
# certain branches need to be merged in order, like master->staging-next->staging
# and disabling parallelism ensures the order of the pairs below.
max-parallel: 1
matrix:
pairs:
- from: master
into: staging-next
- from: staging-next
into: staging
- from: release-21.05
into: staging-next-21.05
- from: staging-next-21.05
into: staging-21.05
name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
steps:
- uses: actions/checkout@v2
- name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
uses: devmasx/merge-branch@v1.3.1
with:
type: now
from_branch: ${{ matrix.pairs.from }}
target_branch: ${{ matrix.pairs.into }}
github_token: ${{ secrets.GITHUB_TOKEN }}
- name: Comment on failure
uses: peter-evans/create-or-update-comment@v1
if: ${{ failure() }}
with:
issue-number: 105153
body: |
Periodic merge from `${{ matrix.pairs.from }}` into `${{ matrix.pairs.into }}` has [failed](https://github.com/NixOS/nixpkgs/actions/runs/${{ github.run_id }}).