github/ci: Check if backport is opened against the expected branch
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
(cherry picked from commit 61269e718f
)
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
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16
.github/workflows/validate-pr.yml
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16
.github/workflows/validate-pr.yml
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@ -44,3 +44,19 @@ jobs:
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echo "This PR will be included in the release notes with the following note:"
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echo "$desc"
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check-pr-branch:
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runs-on: ubuntu-20.04
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env:
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PR_TITLE: ${{ github.event.pull_request.title }}
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steps:
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# Backports or PR that target a release branch directly should mention the target branch in the title, for example:
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# [X.Y backport] Some change that needs backporting to X.Y
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# [X.Y] Change directly targeting the X.Y branch
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- name: Get branch from PR title
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id: title_branch
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run: echo "$PR_TITLE" | sed -n 's/^\[\([0-9]*\.[0-9]*\)[^]]*\].*/branch=\1/p' >> $GITHUB_OUTPUT
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- name: Check release branch
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if: github.event.pull_request.base.ref != steps.title_branch.outputs.branch && !(github.event.pull_request.base.ref == 'master' && steps.title_branch.outputs.branch == '')
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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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