134 lines
4.8 KiB
YAML
134 lines
4.8 KiB
YAML
on:
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issue_comment:
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types:
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- created
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# This action allows people with write access to the repo to rebase a PRs base branch
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# by commenting `/rebase ${branch}` on the PR while avoiding CODEOWNER notifications.
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jobs:
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rebase:
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runs-on: ubuntu-latest
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if: github.repository_owner == 'NixOS' && github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
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steps:
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- uses: peter-evans/create-or-update-comment@v1
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with:
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comment-id: ${{ github.event.comment.id }}
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reactions: eyes
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- uses: scherermichael-oss/action-has-permission@1.0.6
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id: check-write-access
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with:
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required-permission: write
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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- name: check permissions
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run: |
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echo "Commenter doesn't have write access to the repo"
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exit 1
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if: "! steps.check-write-access.outputs.has-permission"
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- name: setup
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run: |
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curl "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.issue.number }}" 2>/dev/null >pr.json
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cat <<EOF >>"$GITHUB_ENV"
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CAN_MODIFY=$(jq -r '.maintainer_can_modify' pr.json)
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COMMITS=$(jq -r '.commits' pr.json)
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CURRENT_BASE=$(jq -r '.base.ref' pr.json)
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PR_BRANCH=$(jq -r '.head.ref' pr.json)
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COMMENT_BRANCH=$(echo ${{ github.event.comment.body }} | awk "/^\/rebase / {print \$2}")
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PULL_REQUEST=${{ github.event.issue.number }}
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EOF
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rm pr.json
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- name: check branch
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env:
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PERMANENT_BRANCHES: "haskell-updates|master|nixos|nixpkgs|python-unstable|release|staging"
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VALID_BRANCHES: "haskell-updates|master|python-unstable|release-20.09|release-21.05|staging|staging-20.09|staging-21.05|staging-next|staging-next-21.05"
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run: |
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message() {
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cat <<EOF
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Can't rebase $PR_BRANCH from $CURRENT_BASE onto $COMMENT_BRANCH (PR:$PULL_REQUEST COMMITS:$COMMITS)
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EOF
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}
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if ! [[ "$COMMENT_BRANCH" =~ ^($VALID_BRANCHES)$ ]]; then
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cat <<EOF
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Check that the branch from the comment is valid:
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$(message)
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This action can only rebase onto these branches:
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$VALID_BRANCHES
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\`/rebase \${branch}\` must be at the start of the line
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EOF
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exit 1
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fi
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if [[ "$COMMENT_BRANCH" == "$CURRENT_BASE" ]]; then
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cat <<EOF
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Check that the branch from the comment isn't the current base branch:
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$(message)
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EOF
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exit 1
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fi
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if [[ "$COMMENT_BRANCH" == "$PR_BRANCH" ]]; then
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cat <<EOF
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Check that the branch from the comment isn't the current branch:
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$(message)
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EOF
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exit 1
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fi
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if [[ "$PR_BRANCH" =~ ^($PERMANENT_BRANCHES) ]]; then
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cat <<EOF
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Check that the PR branch isn't a permanent branch:
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$(message)
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EOF
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exit 1
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fi
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if [[ "$CAN_MODIFY" != "true" ]]; then
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cat <<EOF
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Check that maintainers can edit the PR branch:
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$(message)
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EOF
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exit 1
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fi
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- uses: actions/checkout@v2
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with:
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fetch-depth: 0
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- name: rebase pull request
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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run: |
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git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
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git config --global user.name "github-actions[bot]"
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git fetch origin
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gh pr checkout "$PULL_REQUEST"
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git rebase \
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--onto="$(git merge-base origin/"$CURRENT_BASE" origin/"$COMMENT_BRANCH")" \
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"HEAD~$COMMITS"
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git push --force
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curl \
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-X POST \
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-H "Accept: application/vnd.github.v3+json" \
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-H "Authorization: token $GITHUB_TOKEN" \
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-d "{ \"base\": \"$COMMENT_BRANCH\" }" \
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"https://api.github.com/repos/${{ github.repository }}/pulls/$PULL_REQUEST"
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curl \
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-X PATCH \
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-H "Accept: application/vnd.github.v3+json" \
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-H "Authorization: token $GITHUB_TOKEN" \
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-d '{ "state": "closed" }' \
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"https://api.github.com/repos/${{ github.repository }}/pulls/$PULL_REQUEST"
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- uses: peter-evans/create-or-update-comment@v1
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with:
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issue-number: ${{ github.event.issue.number }}
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body: |
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Rebased, please reopen the pull request to restart CI
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- uses: peter-evans/create-or-update-comment@v1
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if: failure()
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with:
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issue-number: ${{ github.event.issue.number }}
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body: |
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[Failed to rebase](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
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