feat: Nesbitt's inequality #6963
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| name: Maintainer merge | |
| # triggers the action when | |
| on: | |
| # the PR receives a comment | |
| issue_comment: | |
| types: [created, edited] | |
| # the PR receives a review | |
| pull_request_review: | |
| # whether or not it is accompanied by a comment | |
| types: [submitted] | |
| # the PR receives a review comment | |
| pull_request_review_comment: | |
| types: [created, edited] | |
| jobs: | |
| ping_zulip: | |
| # we set some variables. The ones of the form `${{ X }}${{ Y }}` are typically not | |
| # both set simultaneously: depending on the event that triggers the PR, usually only one is set | |
| env: | |
| AUTHOR: ${{ github.event.comment.user.login }}${{ github.event.review.user.login }} | |
| PR_NUMBER: ${{ github.event.issue.number }}${{ github.event.pull_request.number }} | |
| COMMENT_EVENT: ${{ github.event.comment.body }} | |
| COMMENT_REVIEW: ${{ github.event.review.body }} | |
| PR_TITLE_ISSUE: ${{ github.event.issue.title }} | |
| PR_TITLE_PR: ${{ github.event.pull_request.title }} | |
| PR_URL: ${{ github.event.issue.html_url }}${{ github.event.pull_request.html_url }} | |
| EVENT_NAME: ${{ github.event_name }} | |
| name: Ping maintainers on Zulip | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Find maintainer merge/delegate | |
| id: merge_or_delegate | |
| run: | | |
| COMMENT="${COMMENT_EVENT}${COMMENT_REVIEW}" | |
| # we strip `\r` since line endings from GitHub contain this character | |
| COMMENT="${COMMENT//$'\r'/}" | |
| # for debugging, we print some information | |
| printf '%s' "${COMMENT}" | hexdump -cC | |
| printf 'Comment:"%s"\n' "${COMMENT}" | |
| m_or_d="$(printf '%s' "${COMMENT}" | | |
| # captures `maintainer merge/delegate` as well as an optional `?`, ignoring subsequent spaces | |
| sed -n 's=^maintainer *\(merge\|delegate\)\(?\?\) *$=\1\2=p' | head -1)" | |
| printf $'"maintainer delegate" or "maintainer merge" found? \'%s\'\n' "${m_or_d}" | |
| printf $'mOrD=%s\n' "${m_or_d}" > "${GITHUB_OUTPUT}" | |
| - name: Check whether user is part of mathlib-reviewers team | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| uses: TheModdingInquisition/actions-team-membership@v1.0 | |
| with: | |
| organization: 'leanprover-community' | |
| team: 'mathlib-reviewers' # required. The team to check for | |
| token: ${{ secrets.MATHLIB_REVIEWERS_TEAM_KEY }} # required. Personal Access Token with the `read:org` permission | |
| comment: 'You seem to not be authorized' # optional. A comment to post if the user is not part of the team. | |
| # This feature is only applicable in an issue (or PR) context | |
| exit: true # optional. If the action should exit if the user is not part of the team. Defaults to true. | |
| - name: Checkout | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| uses: actions/checkout@v4 | |
| - name: Determine Zulip topic | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| id: determine_topic | |
| run: | | |
| ./scripts/get_tlabel.sh "/repos/leanprover-community/mathlib4/issues/${PR_NUMBER}" >> "$GITHUB_OUTPUT" | |
| env: | |
| GH_TOKEN: ${{secrets.GITHUB_TOKEN}} | |
| - name: Form the message | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| id: form_the_message | |
| run: | | |
| # for debugging, we print the available variables | |
| echo "github.event.action: '${{ github.event.action }}'" | |
| echo "" | |
| message="$( | |
| ./scripts/maintainer_merge_message.sh "${AUTHOR}" "${{ steps.merge_or_delegate.outputs.mOrD }}" "${EVENT_NAME}" "${PR_NUMBER}" "${PR_URL}" "${PR_TITLE_ISSUE}${PR_TITLE_PR}" "${COMMENT_EVENT}${COMMENT_REVIEW}" | |
| )" | |
| printf 'title<<EOF\n%s\nEOF' "${message}" | tee "$GITHUB_OUTPUT" | |
| - name: Send message on Zulip | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| uses: zulip/github-actions-zulip/send-message@v1 | |
| with: | |
| api-key: ${{ secrets.ZULIP_API_KEY }} | |
| email: 'github-mathlib4-bot@leanprover.zulipchat.com' | |
| organization-url: 'https://leanprover.zulipchat.com' | |
| to: 'mathlib reviewers' | |
| type: 'stream' | |
| topic: ${{ steps.determine_topic.outputs.topic }} | |
| content: ${{ steps.form_the_message.outputs.title }} | |
| - name: Add comment to PR | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| uses: GrantBirki/comment@v2 | |
| with: | |
| # if a comment triggers the action, then `issue.number` is set | |
| # if a review or review comment triggers the action, then `pull_request.number` is set | |
| issue-number: ${{ github.event.issue.number }}${{ github.event.pull_request.number }} | |
| body: | | |
| 🚀 Pull request has been placed on the maintainer queue by ${{ github.event.comment.user.login }}${{ github.event.review.user.login }}. | |
| - name: Add label to PR | |
| if: ${{ ! steps.merge_or_delegate.outputs.mOrD == '' }} | |
| uses: actions/github-script@v7 | |
| with: | |
| github-token: ${{secrets.GITHUB_TOKEN}} | |
| script: | | |
| const { owner, repo, number: issue_number } = context.issue; | |
| await github.rest.issues.addLabels({ owner, repo, issue_number, labels: ['maintainer-merge'] }); |