pyrox.dev
Merge pull request #259074 from tweag/detect-merge-conflicts
workflows/check-by-name: Better error for merge conflicts
authored by Silvan Mosberger and committed by GitHub b3e14b90 fbe36304
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.github/workflows/check-by-name.yml
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.github/workflows/check-by-name.yml
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# as specified in nixos/release-combined.nix
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runs-on: ubuntu-latest
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steps:
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- name: Resolving the merge commit
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run: |
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if result=$(git ls-remote --exit-code ${{ github.event.pull_request.base.repo.clone_url }} refs/pull/${{ github.event.pull_request.number }}/merge); then
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mergedSha=$(cut -f1 <<< "$result")
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echo "The PR appears to not have any conflicts, checking the merge commit $mergedSha"
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else
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echo "The PR may have a merge conflict"
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exit 1
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fi
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echo "mergedSha=$mergedSha" >> "$GITHUB_ENV"
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- uses: actions/checkout@v4
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with:
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# pull_request_target checks out the base branch by default
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ref: refs/pull/${{ github.event.pull_request.number }}/merge
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ref: ${{ env.mergedSha }}
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# Fetches the merge commit and its parents
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fetch-depth: 2
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- name: Determining PR git hashes
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run: |
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echo "mergedSha=$(git rev-parse HEAD)" >> "$GITHUB_ENV"
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# For pull_request_target this is the same as $GITHUB_SHA
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echo "baseSha=$(git rev-parse HEAD^1)" >> "$GITHUB_ENV"
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