Label PRs based on the labels of the associated issue (#17603)

* Implement CI to copy issue labels over to PRs * wip * wip * wip * wip * wip * wip * wip * wip * wip * clean up * clean up
2024-10-22 03:12:42 +02:00 · 2023-05-08 12:51:02 +04:00 · 2023-05-08 12:51:02 +04:00 · 8df3bc9c1b
commit 8df3bc9c1b
parent 0306422bbf
6 changed files with 448 additions and 1 deletions
--- a/.github/scripts/label-prs.ts
+++ b/.github/scripts/label-prs.ts
@ -0,0 +1,173 @@
+import * as core from '@actions/core';
+import { context, getOctokit } from '@actions/github';
+import { GitHub } from '@actions/github/lib/utils';
+
+main().catch((error: Error): void => {
+  console.error(error);
+  process.exit(1);
+});
+
+async function main(): Promise<void> {
+  const token = process.env.GITHUB_TOKEN;
+
+  if (!token) {
+    core.setFailed('GITHUB_TOKEN not found');
+    process.exit(1);
+  }
+
+  const octokit = getOctokit(token);
+
+  const headRef = context.payload.pull_request?.head.ref || '';
+
+  let issueNumber = await getIssueNumberFromPullRequestBody();
+  if (issueNumber === "") {
+    bailIfIsBranchNameInvalid(headRef);
+    bailIfIsNotFeatureBranch(headRef);
+    issueNumber = getIssueNumberFromBranchName(headRef);
+  }
+
+  await updateLabels(octokit, issueNumber);
+}
+
+async function getIssueNumberFromPullRequestBody(): Promise<string> {
+  console.log("Checking if the PR's body references an issue...");
+
+  let ISSUE_LINK_IN_PR_DESCRIPTION_REGEX =
+    /(close|closes|closed|fix|fixes|fixed|resolve|resolves|resolved)\s#\d+/gi;
+
+  const prBody = await getPullRequestBody();
+
+  let matches = prBody.match(ISSUE_LINK_IN_PR_DESCRIPTION_REGEX);
+  if (!matches || matches?.length === 0) {
+    console.log(
+      'No direct link can be drawn between the PR and an issue from the PR body because no issue number was referenced.',
+    );
+    return "";
+  }
+
+  if (matches?.length > 1) {
+    console.log(
+      'No direct link can be drawn between the PR and an issue from the PR body because more than one issue number was referenced.',
+    );
+    return "";
+  }
+
+  const ISSUE_NUMBER_REGEX = /\d+/;
+  const issueNumber = matches[0].match(ISSUE_NUMBER_REGEX)?.[0] || '';
+
+  console.log(`Found issue number ${issueNumber} in PR body.`);
+
+  return issueNumber;
+}
+
+async function getPullRequestBody(): Promise<string> {
+  if (context.eventName !== 'pull_request') {
+    console.log('This action should only run on pull_request events.');
+    process.exit(1);
+  }
+
+  const prBody = context.payload.pull_request?.body || '';
+  return prBody;
+}
+
+function bailIfIsBranchNameInvalid(branchName: string): void {
+  const BRANCH_REGEX =
+    /^(main|develop|(ci|chore|docs|feat|feature|fix|perf|refactor|revert|style)\/\d*(?:[-](?![-])\w*)*|Version-v\d+\.\d+\.\d+)$/;
+  const isValidBranchName = new RegExp(BRANCH_REGEX).test(branchName);
+
+  if (!isValidBranchName) {
+    console.log('This branch name does not follow the convention.');
+    console.log(
+      'Here are some example branch names that are accepted: "fix/123-description", "feat/123-longer-description", "feature/123", "main", "develop", "Version-v10.24.2".',
+    );
+    console.log(
+      'No issue could be linked to this PR, so no labels were copied',
+    );
+
+    process.exit(0);
+  }
+}
+
+function bailIfIsNotFeatureBranch(branchName: string): void {
+  if (
+    branchName === 'main' ||
+    branchName === 'develop' ||
+    branchName.startsWith('Version-v')
+  ) {
+    console.log(`${branchName} is not a feature branch.`);
+    console.log(
+      'No issue could be linked to this PR, so no labels were copied',
+    );
+    process.exit(0);
+  }
+}
+
+async function updateLabels(octokit: InstanceType<typeof GitHub>, issueNumber: string): Promise<void> {
+  interface ILabel {
+    name: string;
+  };
+
+  const owner = context.repo.owner;
+  const repo = context.repo.repo;
+
+  const issue = await octokit.rest.issues.get({
+    owner: owner,
+    repo: repo,
+    issue_number: Number(issueNumber),
+  });
+
+  const getNameFromLabel = (label: ILabel): string => label.name
+
+  const issueLabels = issue.data.labels.map(label => getNameFromLabel(label as ILabel));
+
+  const prNumber = context.payload.number;
+
+  const pr = await octokit.rest.issues.get({
+    owner: owner,
+    repo: repo,
+    issue_number: prNumber,
+  });
+
+  const startingPRLabels = pr.data.labels.map(label => getNameFromLabel(label as ILabel));
+
+  const dedupedFinalPRLabels = [
+    ...new Set([...startingPRLabels, ...issueLabels]),
+  ];
+
+  const hasIssueAdditionalLabels = !sortedArrayEqual(
+    startingPRLabels,
+    dedupedFinalPRLabels,
+  );
+  if (hasIssueAdditionalLabels) {
+    await octokit.rest.issues.update({
+      owner,
+      repo,
+      issue_number: prNumber,
+      labels: dedupedFinalPRLabels,
+    });
+  }
+}
+
+function getIssueNumberFromBranchName(branchName: string): string {
+  console.log('Checking if the branch name references an issue...');
+
+  let issueNumber: string;
+  if (branchName.split('/').length > 1) {
+    issueNumber = branchName.split('/')[1].split('-')[0];
+  } else {
+    issueNumber = branchName.split('-')[0];
+  }
+
+  console.log(`Found issue number ${issueNumber} in branch name.`);
+
+  return issueNumber;
+}
+
+function sortedArrayEqual(array1: string[], array2: string[]): boolean {
+  const lengthsAreEqual = array1.length === array2.length;
+  const everyElementMatchesByIndex = array1.every(
+    (value: string, index: number): boolean => value === array2[index],
+  );
+
+  return lengthsAreEqual && everyElementMatchesByIndex;
+}
--- a/.github/workflows/label-prs.yml
+++ b/.github/workflows/label-prs.yml
@ -0,0 +1,32 @@
+name: Label PR
+
+on:
+  pull_request:
+    types: [assigned, opened, edited, synchronize, reopened]
+
+jobs:
+  label-pr:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Use Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: '16'
+
+    - name: Install Yarn
+      run: npm install -g yarn
+
+    - name: Install dependencies
+      run: yarn
+
+    - name: Run PR labelling script
+      run: npm run label-prs
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
--- a/.husky/pre-push
+++ b/.husky/pre-push
@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+yarn validate-branch-name
--- a/.validate-branch-namerc.js
+++ b/.validate-branch-namerc.js
@ -0,0 +1,11 @@
+const BRANCH_REGEX =
+  /^(main|develop|(ci|chore|docs|feat|feature|fix|perf|refactor|revert|style)\/\d*(?:[-](?![-])\w*)*|Version-v\d+\.\d+\.\d+)$/;
+
+const ERROR_MSG =
+  'This branch name does not follow our conventions.' +
+  '\n' +
+  'Rename it with "git branch -m <current-name> <new-name>"' +
+  '\n' +
+  'Here are some example branch names that are accepted: "fix/123-description", "feat/123-longer-description", "feature/123", "main", "develop", "Version-v10.24.2".';
+
+module.exports = { pattern: BRANCH_REGEX, errorMsg: ERROR_MSG };
--- a/package.json
+++ b/package.json
@ -93,7 +93,9 @@
    "test-storybook:ci": "concurrently -k -s first -n \"SB,TEST\" -c \"magenta,blue\" \"yarn storybook:build && npx http-server storybook-build --port 6006 \" \"wait-on tcp:6006 && yarn test-storybook --maxWorkers=2\"",
    "githooks:install": "husky install",
    "fitness-functions": "ts-node development/fitness-functions/index.ts",
-    "generate-beta-commit": "node ./development/generate-beta-commit.js"
+    "generate-beta-commit": "node ./development/generate-beta-commit.js",
+    "validate-branch-name": "validate-branch-name",
+    "label-prs": "ts-node ./.github/scripts/label-prs.ts"
  },
  "resolutions": {
    "analytics-node/axios": "^0.21.2",
@ -211,6 +213,8 @@
    "request@^2.85.0": "patch:request@npm%3A2.88.2#./.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch"
  },
  "dependencies": {
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+    "@actions/github": "^5.1.1",
    "@babel/runtime": "^7.5.5",
    "@download/blockies": "^1.0.3",
    "@ensdomains/content-hash": "^2.5.6",
@ -317,6 +321,7 @@
    "fuse.js": "^3.2.0",
    "globalthis": "^1.0.1",
    "human-standard-token-abi": "^2.0.0",
+    "husky": "^8.0.3",
    "immer": "^9.0.6",
    "is-retry-allowed": "^2.2.0",
    "jest-junit": "^14.0.1",
@ -360,6 +365,7 @@
    "unicode-confusables": "^0.1.1",
    "uuid": "^8.3.2",
    "valid-url": "^1.0.9",
+    "validate-branch-name": "^1.3.0",
    "web3-stream-provider": "^4.0.0",
    "zxcvbn": "^4.4.2"
  },
--- a/yarn.lock
+++ b/yarn.lock
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    "@babel/core": ^7.12.1
    "@babel/eslint-parser": ^7.13.14
@ -24280,6 +24480,7 @@ __metadata:
    unicode-confusables: ^0.1.1
    uuid: ^8.3.2
    valid-url: ^1.0.9
+    validate-branch-name: ^1.3.0
    vinyl: ^2.2.1
    vinyl-buffer: ^1.0.1
    vinyl-source-stream: ^2.0.0
@ -33597,6 +33798,13 @@ __metadata:
  languageName: node
  linkType: hard

+"universal-user-agent@npm:^6.0.0":
+  version: 6.0.0
+  resolution: "universal-user-agent@npm:6.0.0"
+  checksum: 5092bbc80dd0d583cef0b62c17df0043193b74f425112ea6c1f69bc5eda21eeec7a08d8c4f793a277eb2202ffe9b44bec852fa3faff971234cd209874d1b79ef
+  languageName: node
+  linkType: hard
+
 "universalify@npm:^0.1.0, universalify@npm:^0.1.2":
  version: 0.1.2
  resolution: "universalify@npm:0.1.2"
@ -33956,6 +34164,19 @@ __metadata:
  languageName: node
  linkType: hard

+"validate-branch-name@npm:^1.3.0":
+  version: 1.3.0
+  resolution: "validate-branch-name@npm:1.3.0"
+  dependencies:
+    commander: ^8.3.0
+    cosmiconfig: ^7.0.1
+    current-git-branch: ^1.1.0
+  bin:
+    validate-branch-name: cli.js
+  checksum: be82c1e39bfe0519fa02f01670b5ef928903a19289249559c9148c0fd20df356f373f2490fbfd54d018868a6348cc2ceb82fb67d5f5c48c15ecb48735b9b87fb
+  languageName: node
+  linkType: hard
+
 "validate-npm-package-license@npm:^3.0.1":
  version: 3.0.4
  resolution: "validate-npm-package-license@npm:3.0.4"