runtime_commit_artifacts.yml

name: (Runtime) Commit Artifacts for Meta WWW and fbsource V2

on:
  workflow_run:
    workflows: ["(Runtime) Build and Test"]
    types: [completed]
    branches:
      - main

env:
  TZ: /usr/share/zoneinfo/America/Los_Angeles
  # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
  SEGMENT_DOWNLOAD_TIMEOUT_MINS: 1

jobs:
  download_artifacts:
    runs-on: ubuntu-latest
    outputs:
      www_branch_count: ${{ steps.check_branches.outputs.www_branch_count }}
      fbsource_branch_count: ${{ steps.check_branches.outputs.fbsource_branch_count }}
      last_version_classic: ${{ steps.get_last_version_www.outputs.last_version_classic }}
      last_version_modern: ${{ steps.get_last_version_www.outputs.last_version_modern }}
      last_version_rn: ${{ steps.get_last_version_rn.outputs.last_version_rn }}
      current_version_classic: ${{ steps.get_current_version.outputs.current_version_classic }}
      current_version_modern: ${{ steps.get_current_version.outputs.current_version_modern }}
      current_version_rn: ${{ steps.get_current_version.outputs.current_version_rn }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: builds/facebook-www
      - name: "Get last version string for www"
        id: get_last_version_www
        run: |
          # Empty checks only needed for backwards compatibility,can remove later.
          VERSION_CLASSIC=$( [ -f ./compiled/facebook-www/VERSION_CLASSIC ] && cat ./compiled/facebook-www/VERSION_CLASSIC || echo '' )
          VERSION_MODERN=$( [ -f ./compiled/facebook-www/VERSION_MODERN ] && cat ./compiled/facebook-www/VERSION_MODERN || echo '' )
          echo "Last classic version is $VERSION_CLASSIC"
          echo "Last modern version is $VERSION_MODERN"
          echo "last_version_classic=$VERSION_CLASSIC" >> "$GITHUB_OUTPUT"
          echo "last_version_modern=$VERSION_MODERN" >> "$GITHUB_OUTPUT"
      - uses: actions/checkout@v4
        with:
          ref: builds/facebook-fbsource
      - name: "Get last version string for rn"
        id: get_last_version_rn
        run: |
          # Empty checks only needed for backwards compatibility,can remove later.
          VERSION_NATIVE_FB=$( [ -f ./compiled-rn/VERSION_NATIVE_FB ] && cat ./compiled-rn/VERSION_NATIVE_FB || echo '' )
          echo "Last rn version is $VERSION_NATIVE_FB"
          echo "last_version_rn=$VERSION_NATIVE_FB" >> "$GITHUB_OUTPUT"
      - uses: actions/checkout@v4
      - name: "Check branches"
        id: check_branches
        run: |
          echo "www_branch_count=$(git ls-remote --heads origin "refs/heads/meta-www" | wc -l)" >> "$GITHUB_OUTPUT"
          echo "fbsource_branch_count=$(git ls-remote --heads origin "refs/heads/meta-fbsource" | wc -l)" >> "$GITHUB_OUTPUT"
      - uses: actions/setup-node@v4
        with:
          node-version: 18.20.1
          cache: yarn
          cache-dependency-path: yarn.lock
      - name: Restore cached node_modules
        uses: actions/cache@v4
        id: node_modules
        with:
          path: "**/node_modules"
          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
      - run: yarn install --frozen-lockfile
        name: yarn install (react)
      - run: yarn install --frozen-lockfile
        name: yarn install (scripts/release)
        working-directory: scripts/release
      - name: Download artifacts for base revision
        run: |
          GH_TOKEN=${{ github.token }} scripts/release/download-experimental-build-ghaction.js --commit=${{ github.event.workflow_run.head_sha }}
      - name: Display structure of build
        run: ls -R build
      - name: Strip @license from eslint plugin and react-refresh
        run: |
          sed -i -e 's/ @license React*//' \
            build/oss-experimental/eslint-plugin-react-hooks/cjs/eslint-plugin-react-hooks.development.js \
            build/oss-experimental/react-refresh/cjs/react-refresh-babel.development.js
      - name: Move relevant files for React in www into compiled
        run: |
          # Move the facebook-www folder into compiled
          mkdir ./compiled
          mv build/facebook-www ./compiled

          # Move ReactAllWarnings.js to facebook-www
          mkdir ./compiled/facebook-www/__test_utils__
          mv build/__test_utils__/ReactAllWarnings.js ./compiled/facebook-www/__test_utils__/ReactAllWarnings.js

          # Move eslint-plugin-react-hooks into facebook-www
          mv build/oss-experimental/eslint-plugin-react-hooks/cjs/eslint-plugin-react-hooks.development.js \
            ./compiled/facebook-www/eslint-plugin-react-hooks.js

          # Move unstable_server-external-runtime.js into facebook-www
          mv build/oss-experimental/react-dom/unstable_server-external-runtime.js \
            ./compiled/facebook-www/unstable_server-external-runtime.js

          # Move react-refresh-babel.development.js into babel-plugin-react-refresh
          mkdir ./compiled/babel-plugin-react-refresh
          mv build/oss-experimental/react-refresh/cjs/react-refresh-babel.development.js \
            ./compiled/babel-plugin-react-refresh/index.js

          ls -R ./compiled
      - name: Move relevant files for React in fbsource into compiled-rn
        run: |
          BASE_FOLDER='compiled-rn/facebook-fbsource/xplat/js'
          mkdir -p ${BASE_FOLDER}/react-native-github/Libraries/Renderer/
          mkdir -p ${BASE_FOLDER}/RKJSModules/vendor/react/{scheduler,react,react-is,react-test-renderer}/

          # Move React Native renderer
          mv build/react-native/implementations/ $BASE_FOLDER/react-native-github/Libraries/Renderer/
          mv build/react-native/shims/ $BASE_FOLDER/react-native-github/Libraries/Renderer/
          mv build/facebook-react-native/scheduler/cjs/ $BASE_FOLDER/RKJSModules/vendor/react/scheduler/
          mv build/facebook-react-native/react/cjs/ $BASE_FOLDER/RKJSModules/vendor/react/react/
          mv build/facebook-react-native/react-is/cjs/ $BASE_FOLDER/RKJSModules/vendor/react/react-is/
          mv build/facebook-react-native/react-test-renderer/cjs/ $BASE_FOLDER/RKJSModules/vendor/react/react-test-renderer/

          # Delete OSS renderer. OSS renderer is synced through internal script.
          RENDERER_FOLDER=$BASE_FOLDER/react-native-github/Libraries/Renderer/implementations/
          rm $RENDERER_FOLDER/ReactFabric-{dev,prod,profiling}.js
          rm $RENDERER_FOLDER/ReactNativeRenderer-{dev,prod,profiling}.js

          # Move React Native version file
          mv build/facebook-react-native/VERSION_NATIVE_FB ./compiled-rn/VERSION_NATIVE_FB

          ls -R ./compiled-rn
      - name: Add REVISION files
        run: |
          echo ${{ github.event.workflow_run.head_sha }} >> ./compiled/facebook-www/REVISION
          cp ./compiled/facebook-www/REVISION ./compiled/facebook-www/REVISION_TRANSFORMS
          echo ${{ github.event.workflow_run.head_sha}} >> ./compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/REVISION
      - name: "Get current version string"
        id: get_current_version
        run: |
          VERSION_CLASSIC=$(cat ./compiled/facebook-www/VERSION_CLASSIC)
          VERSION_MODERN=$(cat ./compiled/facebook-www/VERSION_MODERN)
          VERSION_NATIVE_FB=$(cat ./compiled-rn/VERSION_NATIVE_FB)
          echo "Current classic version is $VERSION_CLASSIC"
          echo "Current modern version is $VERSION_MODERN"
          echo "Current rn version is $VERSION_NATIVE_FB"
          echo "current_version_classic=$VERSION_CLASSIC" >> "$GITHUB_OUTPUT"
          echo "current_version_modern=$VERSION_MODERN" >> "$GITHUB_OUTPUT"
          echo "current_version_rn=$VERSION_NATIVE_FB" >> "$GITHUB_OUTPUT"
      - uses: actions/upload-artifact@v4
        with:
          name: compiled
          path: compiled/
      - uses: actions/upload-artifact@v4
        with:
          name: compiled-rn
          path: compiled-rn/

  commit_www_artifacts:
    needs: download_artifacts
    if: ${{ (github.ref == 'refs/heads/main' && needs.download_artifacts.outputs.www_branch_count == '0') || github.ref == 'refs/heads/meta-www' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: builds/facebook-www
      - name: Ensure clean directory
        run: rm -rf compiled
      - uses: actions/download-artifact@v4
        with:
          name: compiled
          path: compiled/
      - name: Revert version changes
        if: needs.download_artifacts.outputs.last_version_classic != '' && needs.download_artifacts.outputs.last_version_modern != ''
        env:
          CURRENT_VERSION_CLASSIC: ${{ needs.download_artifacts.outputs.current_version_classic }}
          CURRENT_VERSION_MODERN: ${{ needs.download_artifacts.outputs.current_version_modern }}
          LAST_VERSION_CLASSIC: ${{ needs.download_artifacts.outputs.last_version_classic }}
          LAST_VERSION_MODERN: ${{ needs.download_artifacts.outputs.last_version_modern }}
        run: |
          echo "Reverting $CURRENT_VERSION_CLASSIC to $LAST_VERSION_CLASSIC"
          grep -rl "$CURRENT_VERSION_CLASSIC" ./compiled || echo "No files found with $CURRENT_VERSION_CLASSIC"
          grep -rl "$CURRENT_VERSION_CLASSIC" ./compiled | xargs -r sed -i -e "s/$CURRENT_VERSION_CLASSIC/$LAST_VERSION_CLASSIC/g"
          grep -rl "$CURRENT_VERSION_CLASSIC" ./compiled || echo "Classic version reverted"
          echo "===================="
          echo "Reverting $CURRENT_VERSION_MODERN to $LAST_VERSION_MODERN"
          grep -rl "$CURRENT_VERSION_MODERN" ./compiled || echo "No files found with $CURRENT_VERSION_MODERN"
          grep -rl "$CURRENT_VERSION_MODERN" ./compiled | xargs -r sed -i -e "s/$CURRENT_VERSION_MODERN/$LAST_VERSION_MODERN/g"
          grep -rl "$CURRENT_VERSION_MODERN" ./compiled || echo "Modern version reverted"
      - name: Check for changes
        id: check_should_commit
        run: |
          echo "Full git status"
          git add .
          git status
          echo "===================="
          if git status --porcelain | grep -qv '/REVISION'; then
            echo "Changes detected"
            echo "===== Changes ====="
            git --no-pager diff -U0 | grep '^[+-]' | head -n 50
            echo "==================="
            echo "should_commit=true" >> "$GITHUB_OUTPUT"
          else
            echo "No Changes detected"
            echo "should_commit=false" >> "$GITHUB_OUTPUT"
          fi
      - name: Re-apply version changes
        if: steps.check_should_commit.outputs.should_commit == 'true' && needs.download_artifacts.outputs.last_version_classic != '' && needs.download_artifacts.outputs.last_version_modern != ''
        env:
          CURRENT_VERSION_CLASSIC: ${{ needs.download_artifacts.outputs.current_version_classic }}
          CURRENT_VERSION_MODERN: ${{ needs.download_artifacts.outputs.current_version_modern }}
          LAST_VERSION_CLASSIC: ${{ needs.download_artifacts.outputs.last_version_classic }}
          LAST_VERSION_MODERN: ${{ needs.download_artifacts.outputs.last_version_modern }}
        run: |
          echo "Re-applying $LAST_VERSION_CLASSIC to $CURRENT_VERSION_CLASSIC"
          grep -rl "$LAST_VERSION_CLASSIC" ./compiled || echo "No files found with $LAST_VERSION_CLASSIC"
          grep -rl "$LAST_VERSION_CLASSIC" ./compiled | xargs -r sed -i -e "s/$LAST_VERSION_CLASSIC/$CURRENT_VERSION_CLASSIC/g"
          grep -rl "$LAST_VERSION_CLASSIC" ./compiled || echo "Classic version re-applied"
          echo "===================="
          echo "Re-applying $LAST_VERSION_MODERN to $CURRENT_VERSION_MODERN"
          grep -rl "$LAST_VERSION_MODERN" ./compiled || echo "No files found with $LAST_VERSION_MODERN"
          grep -rl "$LAST_VERSION_MODERN" ./compiled | xargs -r sed -i -e "s/$LAST_VERSION_MODERN/$CURRENT_VERSION_MODERN/g"
          grep -rl "$LAST_VERSION_MODERN" ./compiled || echo "Classic version re-applied"
      - name: Will commit these changes
        if: steps.check_should_commit.outputs.should_commit == 'true'
        run: |
          echo ":"
          git status -u
      - name: Commit changes to branch
        if: steps.check_should_commit.outputs.should_commit == 'true'
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: |
            ${{ github.event.workflow_run.head_commit.message }}

            DiffTrain build for [${{ github.event.workflow_run.head_sha }}](https://github.com/facebook/react/commit/${{ github.event.workflow_run.head_sha }})
          branch: builds/facebook-www
          commit_user_name: ${{ github.event.workflow_run.triggering_actor.login }}
          commit_user_email: ${{ github.event.workflow_run.triggering_actor.email || format('{0}@users.noreply.github.com', github.event.workflow_run.triggering_actor.login) }}
          create_branch: true

  commit_fbsource_artifacts:
    needs: download_artifacts
    if: ${{ (github.ref == 'refs/heads/main' && needs.download_artifacts.outputs.fbsource_branch_count == '0') || github.ref == 'refs/heads/meta-fbsource' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: builds/facebook-fbsource
      - name: Ensure clean directory
        run: rm -rf compiled-rn
      - uses: actions/download-artifact@v4
        with:
          name: compiled-rn
          path: compiled-rn/
      - name: Revert version changes
        if: needs.download_artifacts.outputs.last_version_rn != ''
        env:
          CURRENT_VERSION: ${{ needs.download_artifacts.outputs.current_version_rn }}
          LAST_VERSION: ${{ needs.download_artifacts.outputs.last_version_rn }}
        run: |
          echo "Reverting $CURRENT_VERSION to $LAST_VERSION"
          grep -rl "$CURRENT_VERSION" ./compiled-rn || echo "No files found with $CURRENT_VERSION"
          grep -rl "$CURRENT_VERSION" ./compiled-rn | xargs -r sed -i -e "s/$CURRENT_VERSION/$LAST_VERSION/g"
          grep -rl "$CURRENT_VERSION" ./compiled-rn || echo "Version reverted"
      - name: Check for changes
        id: check_should_commit
        run: |
          echo "Full git status"
          git add .
          git --no-pager diff -U0 --cached | grep '^[+-]' | head -n 100
          echo "===================="
          # Ignore REVISION or lines removing @generated headers.
          if git diff --cached ':(exclude)*REVISION' | grep -vE "^(@@|diff|index|\-\-\-|\+\+\+|\- \* @generated SignedSource)" | grep "^[+-]" > /dev/null; then
            echo "Changes detected"
            echo "===== Changes ====="
            git --no-pager diff --cached ':(exclude)*REVISION' | grep -vE "^(@@|diff|index|\-\-\-|\+\+\+|\- \* @generated SignedSource)" | grep "^[+-]" | head -n 50
            echo "==================="
            echo "should_commit=true" >> "$GITHUB_OUTPUT"
          else
            echo "No Changes detected"
            echo "should_commit=false" >> "$GITHUB_OUTPUT"
          fi
      - name: Re-apply version changes
        if: steps.check_should_commit.outputs.should_commit == 'true' && needs.download_artifacts.outputs.last_version_rn != ''
        env:
          CURRENT_VERSION: ${{ needs.download_artifacts.outputs.current_version_rn }}
          LAST_VERSION: ${{ needs.download_artifacts.outputs.last_version_rn }}
        run: |
          echo "Re-applying $LAST_VERSION to $CURRENT_VERSION"
          grep -rl "$LAST_VERSION" ./compiled-rn || echo "No files found with $LAST_VERSION"
          grep -rl "$LAST_VERSION" ./compiled-rn | xargs -r sed -i -e "s/$LAST_VERSION/$CURRENT_VERSION/g"
          grep -rl "$LAST_VERSION" ./compiled-rn || echo "Version re-applied"
      - name: Add files for signing
        if: steps.check_should_commit.outputs.should_commit == 'true'
        run: |
          echo ":"
          git add .
      - name: Signing files
        if: steps.check_should_commit.outputs.should_commit == 'true'
        uses: actions/github-script@v7
        with:
          script: |
            // TODO: Move this to a script file.
            // We currently can't call scripts from the repo because
            // at this point in the workflow, we're on the compiled
            // artifact branch (so the scripts don't exist).
            // We can fix this with a composite action in the main repo.
            // This script is duplicated above.
            const fs = require('fs');
            const crypto = require('crypto');
            const {execSync} = require('child_process');

            // TODO: when we move this to a script, we can use this from npm.
            // Copy of signedsource since we can't install deps on this branch.
            const GENERATED = '@' + 'generated';
            const NEWTOKEN = '<<SignedSource::*O*zOeWoEQle#+L!plEphiEmie@IsG>>';
            const PATTERN = new RegExp(`${GENERATED} (?:SignedSource<<([a-f0-9]{32})>>)`);

            const TokenNotFoundError = new Error(
              `SignedSource.signFile(...): Cannot sign file without token: ${NEWTOKEN}`
            );

            function hash(data, encoding) {
              const md5sum = crypto.createHash('md5');
              md5sum.update(data, encoding);
              return md5sum.digest('hex');
            }

            const SignedSource = {
              getSigningToken() {
                return `${GENERATED} ${NEWTOKEN}`;
              },
              isSigned(data) {
                return PATTERN.exec(data) != null;
              },
              signFile(data) {
                if (!data.includes(NEWTOKEN)) {
                  if (SignedSource.isSigned(data)) {
                    // Signing a file that was previously signed.
                   data = data.replace(PATTERN, SignedSource.getSigningToken());
                  } else {
                    throw TokenNotFoundError;
                  }
                }
                return data.replace(NEWTOKEN, `SignedSource<<${hash(data, 'utf8')}>>`);
              },
            };

            const directory = './compiled-rn';
            console.log('Signing files in directory:', directory);
            try {
              const result = execSync(`git status --porcelain ${directory}`, {encoding: 'utf8'});

              // Parse the git status output to get file paths
              const files = result.split('\n').filter(file => file.endsWith('.js'));

              if (files.length === 0) {
                throw new Error(
                  'git status returned no files to sign. this job should not have run.'
                );
              } else {
                files.forEach(line => {
                  const file = line.slice(3).trim();
                  if (file) {
                    console.log('  Signing file:', file);
                    const originalContents = fs.readFileSync(file, 'utf8');
                    const signedContents = SignedSource.signFile(
                      originalContents
                        // Need to add the header in, since it's not inserted at build time.
                        .replace(' */\n', ` * ${SignedSource.getSigningToken()}\n */\n`)
                    );

                    fs.writeFileSync(file, signedContents, 'utf8');
                  }
                });
              }
            } catch (e) {
              process.exitCode = 1;
              console.error('Error signing files:', e);
            }
      - name: Will commit these changes
        if: steps.check_should_commit.outputs.should_commit == 'true'
        run: |
          git add .
          git status
      - name: Commit changes to branch
        if: steps.check_should_commit.outputs.should_commit == 'true'
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: |
            ${{ github.event.workflow_run.head_commit.message }}

            DiffTrain build for commit https://github.com/facebook/react/commit/${{ github.event.workflow_run.head_sha }}.
          branch: builds/facebook-fbsource
          commit_user_name: ${{ github.event.workflow_run.triggering_actor.login }}
          commit_user_email: ${{ github.event.workflow_run.triggering_actor.email || format('{0}@users.noreply.github.com', github.event.workflow_run.triggering_actor.login) }}
          create_branch: true