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github/ci: Check if backport is opened against the expected branch
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Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
(cherry picked from commit 61269e7)
Signed-off-by: Austin Vazquez <macedonv@amazon.com>
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vvoland authored and austinvazquez committed Jul 24, 2024
1 parent 65cc597 commit 30f8908
Showing 1 changed file with 16 additions and 0 deletions.
16 changes: 16 additions & 0 deletions .github/workflows/validate-pr.yml
Original file line number Diff line number Diff line change
Expand Up @@ -44,3 +44,19 @@ jobs:
echo "This PR will be included in the release notes with the following note:"
echo "$desc"
check-pr-branch:
runs-on: ubuntu-20.04
env:
PR_TITLE: ${{ github.event.pull_request.title }}
steps:
# Backports or PR that target a release branch directly should mention the target branch in the title, for example:
# [X.Y backport] Some change that needs backporting to X.Y
# [X.Y] Change directly targeting the X.Y branch
- name: Get branch from PR title
id: title_branch
run: echo "$PR_TITLE" | sed -n 's/^\[\([0-9]*\.[0-9]*\)[^]]*\].*/branch=\1/p' >> $GITHUB_OUTPUT

- name: Check release branch
if: github.event.pull_request.base.ref != steps.title_branch.outputs.branch && !(github.event.pull_request.base.ref == 'master' && steps.title_branch.outputs.branch == '')
run: echo "::error::PR title suggests targetting the ${{ steps.title_branch.outputs.branch }} branch, but is opened against ${{ github.event.pull_request.base.ref }}" && exit 1

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