add automated release workflow

.github/workflows/release-sourcebot.yml

@@ -0,0 +1,86 @@
+name: Release Sourcebot
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Version to release (e.g., 4.10.5)"
+        required: true
+        type: string
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Validate version format
+        run: |
+          VERSION="${{ inputs.version }}"
+          if ! [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9._-]+)?(\+[a-zA-Z0-9._-]+)?$ ]]; then
+              echo "Error: Version must follow semantic versioning format (X.Y.Z)"
+              exit 1
+          fi
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: main
+          fetch-depth: 0
+
+      - name: Check if version already exists
+        run: |
+          VERSION="${{ inputs.version }}"
+          if grep -q "## \[$VERSION\]" CHANGELOG.md; then
+              echo "Error: Version $VERSION already exists in CHANGELOG.md"
+              exit 1
+          fi
+          if git tag | grep -q "^v$VERSION$"; then
+              echo "Error: Tag v$VERSION already exists"
+              exit 1
+          fi
+
+      - name: Update CHANGELOG.md
+        run: |
+          VERSION="${{ inputs.version }}"
+          DATE=$(date +%Y-%m-%d)
+
+          # Insert the new version header after the [Unreleased] line
+          sed -i "/## \[Unreleased\]/a\\
+          \\
+          ## [$VERSION] - $DATE" CHANGELOG.md
+
+          echo "Updated CHANGELOG.md with version $VERSION"
+          cat CHANGELOG.md | head -n 15
+
+      - name: Configure git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Commit CHANGELOG
+        run: |
+          VERSION="${{ inputs.version }}"
+          git add CHANGELOG.md
+          git commit -m "Release v$VERSION"
+
+      - name: Create annotated tag
+        run: |
+          VERSION="${{ inputs.version }}"
+          git tag -a "v$VERSION" -m "sourcebot v$VERSION"
+
+      - name: Push changes
+        run: |
+          git push origin main
+          git push origin --tags
+
+      - name: Create GitHub release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          VERSION="${{ inputs.version }}"
+          gh release create "v$VERSION" \
+              --verify-tag \
+              --generate-notes \
+              --latest