diff --git a/.github/workflows/close_pr.yml b/.github/workflows/close_pr.yml new file mode 100644 index 00000000000..a31aa01ce73 --- /dev/null +++ b/.github/workflows/close_pr.yml @@ -0,0 +1,62 @@ +name: Label closed PR as merged and leave a comment +on: + push + +permissions: + contents: read + pull-requests: write + +jobs: + comment-and-label: + runs-on: ubuntu-latest + steps: + - uses: actions/github-script@v6 + with: + github-token: ${{ secrets.GITHUB_TOKEN }} + script: | + if(!context.payload.commits || !context.payload.commits.length) return; + const sha = context.payload.commits[0].id; + + const {commit, author} = (await github.rest.repos.getCommit({ + ref: sha, + owner: context.repo.owner, + repo: context.repo.repo, + })).data; + + // Looking at the commit message, checks which PR number, if any, was closed by this commit + const getClosedPrIfExists = (commit) => { + if(!commit || !commit.message) return; + const prClosingRegex = /Closes https:\/\/github.com\/facebook\/react-native\/pull\/([0-9]+)|Pull Request resolved: https:\/\/github.com\/facebook\/react-native\/pull\/([0-9]+)/; + const prClosingMatch = commit.message.match(prClosingRegex); + if(!prClosingMatch || (!prClosingMatch[1] && ! prClosingMatch[2])) return; + return prClosingMatch[1] ?? prClosingMatch[2]; + }; + + const closedPrNumber = getClosedPrIfExists(commit); + if(!closedPrNumber) return; + + const pr = (await github.rest.pulls.get({ + pull_number: closedPrNumber, + owner: context.repo.owner, + repo: context.repo.repo, + })).data; + + // If the PR has already been processed (labeled as Merged), skip it + const mergedLabel = "Merged"; + if(pr.labels && pr.labels.some(label => label.name === mergedLabel)) return; + + const authorName = author?.login ? `@${author.login}` : commit.author.name; + + github.rest.issues.createComment({ + issue_number: closedPrNumber, + owner: context.repo.owner, + repo: context.repo.repo, + body: `This pull request was successfully merged by ${authorName} in **${sha}**.\n\n[When will my fix make it into a release?](https://github.com/facebook/react-native/wiki/Release-FAQ#when-will-my-fix-make-it-into-a-release) | [Upcoming Releases](https://github.com/reactwg/react-native-releases/discussions/categories/releases)` + }); + + github.rest.issues.addLabels({ + issue_number: closedPrNumber, + owner: context.repo.owner, + repo: context.repo.repo, + labels: [mergedLabel] + });