release-changelog.yml

name: Auto Changelog PR

on:
  release:
    types: [published, created]
  workflow_dispatch: # Add this line to allow manual triggering
  push:
    branches:
      - eli/automated-changelog # For testing

jobs:
  changelog:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the Beta9 repo
        uses: actions/checkout@v3

      - name: Fetch the latest release data
        id: release
        uses: actions/github-script@v6
        with:
          script: |
            function formatDate(dateString) {
              const date = new Date(dateString);
              const month = String(date.getMonth() + 1).padStart(2, '0');
              const day = String(date.getDate()).padStart(2, '0');
              const year = String(date.getFullYear()).slice(-2);
              return `${month}-${day}-${year}`;
            }

            function prettyDate(dateString) {
              const [year, month, day] = dateString.split('-').map(Number);
              const date = new Date(Date.UTC(year, month - 1, day));
              
              return new Intl.DateTimeFormat('en-US', {
                year: 'numeric',
                month: 'long',
                day: 'numeric',
                timeZone: 'UTC'
              }).format(date);
            }

            const isRelease = context.eventName === 'release';

            let release = {};


            if (isRelease) {
              release = context.payload.release;
            } else {
              release = {
                name: 'test v1.0.0',
                body: '## What\'s Changed\n* Feat: Add index for task by @jsun-m in https://github.com/beam-cloud/beta9/pull/540\n* Fix: stop container endpoint by @dleviminzi in https://github.com/beam-cloud/beta9/pull/546\n* Fix: Don\'t scale up stopped serves by @dleviminzi in https://github.com/beam-cloud/beta9/pull/539\n* Feat: Ignore patterns like git by @dleviminzi in https://github.com/beam-cloud/beta9/pull/538\n* Fix: Hanging build container by @luke-lombardi in https://github.com/beam-cloud/beta9/pull/549\n* Fix: Remove serve lock when connection is lost for task queue serve by @dleviminzi in https://github.com/beam-cloud/beta9/pull/550\n* Revert "ignore patterns like git (#538)" by @dleviminzi in https://github.com/beam-cloud/beta9/pull/551\n\n**Full Changelog**: https://github.com/beam-cloud/beta9/compare/gateway-0.1.200...gateway-0.1.201',
                created_at: '2024-09-25'
              }
            }

            const lines = release.body.split('\n');

            console.log(lines);

            const feats = [];
            const fixes = [];
            for (const line of lines) {
              if (line.startsWith('*')) {
                const m = line.match(/^\*\s*(Feat|Fix):\s*(.*)$/);
                if (m) {
                  const [_, type, description] = m;
                  const byIndex = description.indexOf('by');
                  
                  if (type === 'Feat') {
                    const cleanedDesc = description.slice(0, byIndex).trim();
                    feats.push(cleanedDesc);
                  } else if (type === 'Fix') {
                    const cleanedDesc = description.slice(0, byIndex).trim();
                    fixes.push(cleanedDesc);
                  }
                }
              }
            }
            
            // format feats into a single bulleted string
            const featsString = feats.map(feat => `- ${feat}`).join('\n');
            const fixesString = fixes.map(fix => `- ${fix}`).join('\n');

            core.setOutput('name', release.name.replace(/\s+/g, '-'));
            core.setOutput('feats', featsString);
            core.setOutput('fixes', fixesString);
            core.setOutput('created_at', formatDate(release.created_at));
            core.setOutput('pretty_date', prettyDate(release.created_at));

      - name: Checkout beam-docs repo
        uses: actions/checkout@v3
        with:
          repository: slai-labs/beam-docs
          path: beam-docs
          token: ${{ secrets.BEAM_DOCS_PAT }}

      - name: Create new release file in beam-docs
        run: |
          cd beam-docs/v2/releases
          FILENAME="${{ steps.release.outputs.created_at }}.mdx"
          echo "---" >> $FILENAME
          echo "" >> $FILENAME
          echo "title: \"${{ steps.release.outputs.pretty_date }}\"" >> $FILENAME
          echo "" >> $FILENAME
          echo "---" >> $FILENAME
          echo "" >> $FILENAME
          echo "## Features" >> $FILENAME
          echo "" >> $FILENAME
          echo ${{ steps.release.outputs.feats }} >> $FILENAME
          echo "" >> $FILENAME
          echo "## Fixes" >> $FILENAME
          echo "" >> $FILENAME
          echo ${{ steps.release.outputs.fixes }} >> $FILENAME
          echo "" >> $FILENAME

      - name: Commit and push changes
        run: |
          cd beam-docs
          git config --global user.name "github-actions"
          git config --global user.email "actions@github.com"
          git checkout -b autochangelog/${{ steps.release.outputs.name }}
          git add .
          git commit -m "Add changelog for ${{ steps.release.outputs.name }}"
          git push -u origin autochangelog/${{ steps.release.outputs.name }}

      - name: Create pull request
        env:
          GH_TOKEN: ${{ secrets.BEAM_DOCS_PAT }}
        run: |
          cd beam-docs
          gh pr create --title "Changelog for ${{ steps.release.outputs.name }}" --body "This PR adds the changelog for ${{ steps.release.outputs.name }}." --base main --head autochangelog/${{ steps.release.outputs.name }}