feat: add automatic release workflow

.github/workflows/release.yml

@@ -0,0 +1,187 @@
+name: Release
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version to release (e.g., v1.0.0). Leave empty for auto-increment.'
+        required: false
+        type: string
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    # Skip if commit is a release commit
+    if: "!startsWith(github.event.head_commit.message, 'chore(release)')"
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Get latest tag
+        id: get_tag
+        run: |
+          git fetch --tags
+          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
+          echo "latest_tag=$LATEST_TAG" >> $GITHUB_OUTPUT
+          echo "Latest tag: $LATEST_TAG"
+
+      - name: Determine next version
+        id: next_version
+        run: |
+          LATEST="${{ steps.get_tag.outputs.latest_tag }}"
+
+          if [ -n "${{ github.event.inputs.version }}" ]; then
+            NEXT="${{ github.event.inputs.version }}"
+          else
+            if [ "$LATEST" = "v0.0.0" ]; then
+              COMMITS=$(git log --oneline)
+            else
+              COMMITS=$(git log ${LATEST}..HEAD --oneline)
+            fi
+
+            VERSION="${LATEST#v}"
+            MAJOR=$(echo $VERSION | cut -d. -f1)
+            MINOR=$(echo $VERSION | cut -d. -f2)
+            PATCH=$(echo $VERSION | cut -d. -f3)
+
+            if echo "$COMMITS" | grep -qE "^[a-f0-9]+ (feat|feature)(\(.*\))?!:"; then
+              MAJOR=$((MAJOR + 1))
+              MINOR=0
+              PATCH=0
+            elif echo "$COMMITS" | grep -qE "^[a-f0-9]+ (feat|feature)(\(.*\))?:"; then
+              MINOR=$((MINOR + 1))
+              PATCH=0
+            else
+              PATCH=$((PATCH + 1))
+            fi
+
+            NEXT="v${MAJOR}.${MINOR}.${PATCH}"
+          fi
+
+          echo "version=$NEXT" >> $GITHUB_OUTPUT
+          echo "Next version: $NEXT"
+
+      - name: Generate changelog
+        id: changelog
+        run: |
+          LATEST="${{ steps.get_tag.outputs.latest_tag }}"
+          NEXT="${{ steps.next_version.outputs.version }}"
+
+          echo "## What's Changed in $NEXT" > RELEASE_NOTES.md
+          echo "" >> RELEASE_NOTES.md
+
+          if [ "$LATEST" = "v0.0.0" ]; then
+            RANGE="HEAD"
+          else
+            RANGE="${LATEST}..HEAD"
+          fi
+
+          # Features
+          FEATURES=$(git log $RANGE --oneline --grep="^feat" --format="- %s (%h)" 2>/dev/null | head -20)
+          if [ -n "$FEATURES" ]; then
+            echo "### Added" >> RELEASE_NOTES.md
+            echo "$FEATURES" >> RELEASE_NOTES.md
+            echo "" >> RELEASE_NOTES.md
+          fi
+
+          # Fixes
+          FIXES=$(git log $RANGE --oneline --grep="^fix" --format="- %s (%h)" 2>/dev/null | head -20)
+          if [ -n "$FIXES" ]; then
+            echo "### Fixed" >> RELEASE_NOTES.md
+            echo "$FIXES" >> RELEASE_NOTES.md
+            echo "" >> RELEASE_NOTES.md
+          fi
+
+          # Other changes
+          OTHER=$(git log $RANGE --oneline --format="- %s (%h)" 2>/dev/null | grep -vE "^- (feat|fix)" | head -20)
+          if [ -n "$OTHER" ]; then
+            echo "### Changed" >> RELEASE_NOTES.md
+            echo "$OTHER" >> RELEASE_NOTES.md
+            echo "" >> RELEASE_NOTES.md
+          fi
+
+          echo "### Downloads" >> RELEASE_NOTES.md
+          echo "" >> RELEASE_NOTES.md
+          echo "| Platform | Architecture | Binary |" >> RELEASE_NOTES.md
+          echo "|----------|--------------|--------|" >> RELEASE_NOTES.md
+          echo "| Linux | amd64 | basar-linux-amd64 |" >> RELEASE_NOTES.md
+          echo "| Linux | arm64 | basar-linux-arm64 |" >> RELEASE_NOTES.md
+          echo "| macOS | amd64 | basar-darwin-amd64 |" >> RELEASE_NOTES.md
+          echo "| macOS | arm64 (Apple Silicon) | basar-darwin-arm64 |" >> RELEASE_NOTES.md
+          echo "| Windows | amd64 | basar-windows-amd64.exe |" >> RELEASE_NOTES.md
+          echo "" >> RELEASE_NOTES.md
+
+          echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${LATEST}...${NEXT}" >> RELEASE_NOTES.md
+
+          cat RELEASE_NOTES.md
+
+      - name: Build binaries
+        run: |
+          VERSION="${{ steps.next_version.outputs.version }}"
+          LDFLAGS="-s -w -X main.version=${VERSION}"
+
+          GOOS=linux GOARCH=amd64 go build -ldflags="$LDFLAGS" -o basar-linux-amd64 ./cmd/basar
+          GOOS=linux GOARCH=arm64 go build -ldflags="$LDFLAGS" -o basar-linux-arm64 ./cmd/basar
+          GOOS=darwin GOARCH=amd64 go build -ldflags="$LDFLAGS" -o basar-darwin-amd64 ./cmd/basar
+          GOOS=darwin GOARCH=arm64 go build -ldflags="$LDFLAGS" -o basar-darwin-arm64 ./cmd/basar
+          GOOS=windows GOARCH=amd64 go build -ldflags="$LDFLAGS" -o basar-windows-amd64.exe ./cmd/basar
+
+          sha256sum basar-* > checksums.txt
+          cat checksums.txt
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.next_version.outputs.version }}
+          name: ${{ steps.next_version.outputs.version }}
+          body_path: RELEASE_NOTES.md
+          draft: false
+          prerelease: false
+          files: |
+            basar-linux-amd64
+            basar-linux-arm64
+            basar-darwin-amd64
+            basar-darwin-arm64
+            basar-windows-amd64.exe
+            checksums.txt
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  cleanup-branches:
+    name: Cleanup Merged Branches
+    runs-on: ubuntu-latest
+    needs: release
+    if: always()
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Delete merged branches
+        run: |
+          echo "Cleaning up merged branches..."
+          git fetch --prune
+
+          for branch in $(git branch -r --merged origin/main | grep -v 'main\|master\|develop\|HEAD' | sed 's/origin\///'); do
+            echo "Deleting merged branch: $branch"
+            git push origin --delete "$branch" 2>/dev/null || echo "Could not delete $branch"
+          done
+
+          echo "Branch cleanup complete"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}