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[CI] Add workflow for preparing GPULlama3 release with version updates and changelog generation
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‎.github/workflows/prepare-release.yml‎

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name: Prepare GPULlama3 Release
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on:
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workflow_dispatch:
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inputs:
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version:
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description: 'Release version (e.g., 0.2.3)'
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required: true
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type: string
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previous_version:
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description: 'Previous version for changelog (e.g., 0.2.2)'
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required: true
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type: string
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dry_run:
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description: 'Dry run - show changes without creating PR'
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required: false
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type: boolean
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default: false
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env:
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VERSION: ${{ inputs.version }}
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PREV_VERSION: ${{ inputs.previous_version }}
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jobs:
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prepare-release:
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runs-on: [self-hosted, Linux, x64]
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permissions:
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contents: write
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pull-requests: write
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timeout-minutes: 15
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env:
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JAVA_HOME: /opt/jenkins/jdks/graal-23.1.0/jdk-21.0.3
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steps:
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- name: Validate version format
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run: |
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if [[ ! "${{ inputs.version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
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echo "❌ Invalid version format. Expected: X.Y.Z (e.g., 0.2.3)"
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exit 1
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fi
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echo "✅ Version format valid: ${{ inputs.version }}"
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- name: Checkout main branch
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uses: actions/checkout@v4
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with:
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ref: main
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fetch-depth: 0
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token: ${{ secrets.GITHUB_TOKEN }}
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- name: Setup environment
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run: |
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echo "$JAVA_HOME/bin" >> $GITHUB_PATH
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- name: Configure Git
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run: |
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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- name: Create release branch
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run: |
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git checkout -b release/${{ env.VERSION }}
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echo "✅ Created branch: release/${{ env.VERSION }}"
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# ============================================
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# VERSION UPDATES
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# ============================================
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- name: Update Maven version
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run: |
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./mvnw versions:set -DnewVersion=${{ env.VERSION }} -DgenerateBackupPoms=false
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echo "✅ Maven version updated to ${{ env.VERSION }}"
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- name: Update README.md
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run: |
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if [ -f "README.md" ]; then
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# Update version in Maven dependency example
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sed -i 's|<version>[0-9]\+\.[0-9]\+\.[0-9]\+</version>|<version>${{ env.VERSION }}</version>|g' README.md
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echo "✅ Updated README.md"
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fi
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- name: Update CITATION.cff
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run: |
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if [ -f "CITATION.cff" ]; then
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sed -i "s/^version: .*/version: ${{ env.VERSION }}/" CITATION.cff
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RELEASE_DATE=$(date +"%Y-%m-%d")
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sed -i "s/^date-released: .*/date-released: $RELEASE_DATE/" CITATION.cff
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echo "✅ Updated CITATION.cff"
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fi
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# ============================================
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# CHANGELOG GENERATION
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# ============================================
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- name: Fetch merged PRs for changelog
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id: fetch_prs
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uses: actions/github-script@v7
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with:
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script: |
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const prevVersion = '${{ env.PREV_VERSION }}';
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const newVersion = '${{ env.VERSION }}';
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let sinceDate;
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try {
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const { data: releases } = await github.rest.repos.listReleases({
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owner: context.repo.owner,
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repo: context.repo.repo,
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per_page: 10
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});
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const prevRelease = releases.find(r =>
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r.tag_name === `v${prevVersion}` || r.tag_name === prevVersion
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);
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if (prevRelease) {
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sinceDate = prevRelease.published_at;
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console.log(`Found previous release ${prevVersion} from ${sinceDate}`);
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}
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} catch (e) {
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console.log('Could not fetch releases:', e.message);
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}
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if (!sinceDate) {
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const date = new Date();
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date.setDate(date.getDate() - 90);
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sinceDate = date.toISOString();
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console.log(`Using fallback date: ${sinceDate}`);
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}
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const { data: prs } = await github.rest.pulls.list({
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owner: context.repo.owner,
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repo: context.repo.repo,
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state: 'closed',
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sort: 'updated',
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direction: 'desc',
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per_page: 100
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});
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const mergedPRs = prs.filter(pr =>
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pr.merged_at && new Date(pr.merged_at) > new Date(sinceDate)
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);
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console.log(`Found ${mergedPRs.length} merged PRs since ${sinceDate}`);
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const features = [];
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const bugfixes = [];
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const models = [];
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const performance = [];
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const other = [];
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for (const pr of mergedPRs) {
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const labels = pr.labels.map(l => l.name.toLowerCase());
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const title = pr.title;
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const entry = `- ${title} ([#${pr.number}](${pr.html_url}))`;
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if (labels.some(l => l.includes('bug') || l.includes('fix'))) {
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bugfixes.push(entry);
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} else if (labels.some(l => l.includes('model')) || title.toLowerCase().includes('model')) {
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models.push(entry);
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} else if (labels.some(l => l.includes('perf') || l.includes('optim'))) {
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performance.push(entry);
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} else if (labels.some(l => l.includes('feature') || l.includes('enhancement'))) {
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features.push(entry);
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} else {
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other.push(entry);
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}
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}
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const today = new Date().toISOString().split('T')[0];
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let changelog = `## [${newVersion}] - ${today}\n\n`;
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if (features.length > 0) {
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changelog += '### Features\n\n' + features.join('\n') + '\n\n';
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}
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if (models.length > 0) {
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changelog += '### Model Support\n\n' + models.join('\n') + '\n\n';
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}
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if (performance.length > 0) {
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changelog += '### Performance\n\n' + performance.join('\n') + '\n\n';
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}
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if (bugfixes.length > 0) {
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changelog += '### Bug Fixes\n\n' + bugfixes.join('\n') + '\n\n';
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}
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if (other.length > 0) {
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changelog += '### Other Changes\n\n' + other.join('\n') + '\n\n';
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}
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if (mergedPRs.length === 0) {
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changelog += '<!-- TODO: Add changes manually -->\n\n';
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}
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const fs = require('fs');
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fs.writeFileSync('/tmp/changelog_entry.txt', changelog);
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core.setOutput('pr_count', mergedPRs.length);
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- name: Update CHANGELOG.md
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run: |
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CHANGELOG_FILE="CHANGELOG.md"
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if [ ! -f "$CHANGELOG_FILE" ]; then
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echo "# Changelog" > "$CHANGELOG_FILE"
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echo "" >> "$CHANGELOG_FILE"
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echo "All notable changes to GPULlama3.java will be documented in this file." >> "$CHANGELOG_FILE"
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echo "" >> "$CHANGELOG_FILE"
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fi
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if grep -q "^## \[" "$CHANGELOG_FILE"; then
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FIRST_VERSION_LINE=$(grep -n "^## \[" "$CHANGELOG_FILE" | head -1 | cut -d: -f1)
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{
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head -n $((FIRST_VERSION_LINE - 1)) "$CHANGELOG_FILE"
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cat /tmp/changelog_entry.txt
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tail -n +$FIRST_VERSION_LINE "$CHANGELOG_FILE"
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} > /tmp/changelog_new.md
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mv /tmp/changelog_new.md "$CHANGELOG_FILE"
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else
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cat /tmp/changelog_entry.txt >> "$CHANGELOG_FILE"
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fi
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echo "✅ Updated CHANGELOG.md"
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- name: Show changes summary
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run: |
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echo "## 📋 Release ${{ env.VERSION }} Preparation" >> $GITHUB_STEP_SUMMARY
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "### Files Modified:" >> $GITHUB_STEP_SUMMARY
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git diff --name-only | while read file; do
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echo "- \`$file\`" >> $GITHUB_STEP_SUMMARY
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done
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echo "" >> $GITHUB_STEP_SUMMARY
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echo "### PRs included: ${{ steps.fetch_prs.outputs.pr_count }}" >> $GITHUB_STEP_SUMMARY
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- name: Commit and push
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if: ${{ inputs.dry_run == false }}
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run: |
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git add -A
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git commit -m "Prepare release ${{ env.VERSION }}"
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git push origin release/${{ env.VERSION }}
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- name: Create Pull Request
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if: ${{ inputs.dry_run == false }}
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uses: actions/github-script@v7
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with:
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script: |
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const version = process.env.VERSION;
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const prCount = '${{ steps.fetch_prs.outputs.pr_count }}';
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const { data: pr } = await github.rest.pulls.create({
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owner: context.repo.owner,
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repo: context.repo.repo,
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title: `Release ${version}`,
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head: `release/${version}`,
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base: 'main',
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body: `## 🚀 Release ${version}
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### 📝 Changes
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- ${prCount} PRs included in changelog
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- Version bumped to ${version}
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### ✅ Review Checklist
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- [ ] Version number correct in pom.xml
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- [ ] CHANGELOG.md reviewed
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- [ ] CI passes
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### 🔄 After Merge
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1. **Finalize Release** → tag \`v${version}\` + GitHub release
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2. **Deploy to Maven Central** → publish artifacts
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`
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});
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console.log(`✅ Created PR #${pr.number}: ${pr.html_url}`);
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const reviewers = ['mikepapadim', 'orionpapadakis', 'mairooni' , 'stratika' ,'kotselidis'];
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try {
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await github.rest.pulls.requestReviewers({
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owner: context.repo.owner,
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repo: context.repo.repo,
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pull_number: pr.number,
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reviewers: reviewers
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});
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} catch (e) {
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console.log('Could not request reviewers:', e.message);
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}
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- name: Dry run output
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if: ${{ inputs.dry_run == true }}
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run: |
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echo "🏃 DRY RUN MODE"
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echo ""
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echo "=== Files changed ==="
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git diff --stat
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echo ""
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echo "=== Changelog entry ==="
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cat /tmp/changelog_entry.txt

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