release still needs build but release notes can be own workflow

.github/workflows/ci-build-release.yml

@@ -1,4 +1,4 @@
-name: Build
+name: CI Build and Release
 
 on:
   push:
@@ -7,12 +7,13 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
         arch: [amd64, arm64]
 
+    runs-on: ${{ matrix.os }}
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -38,5 +39,69 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: clj-mergetool-${{ matrix.os }}-${{ matrix.arch }}
-          path: target/clj-mergetool${{ matrix.os == 'windows-latest' && '.exe' || '' }}
+          path: target/clj-mergetool
           if-no-files-found: error
+
+  release:
+    runs-on: ubuntu-latest
+    needs: build
+    if: startsWith(github.event.head_commit.message, 'Release') && github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Download build artifacts for Linux amd64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-ubuntu-latest-amd64
+          path: target/clj-mergetool-linux-amd64
+
+      - name: Download build artifacts for Linux arm64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-ubuntu-latest-arm64
+          path: target/clj-mergetool-linux-arm64
+
+      - name: Download build artifacts for Windows amd64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-windows-latest-amd64
+          path: target/clj-mergetool-windows-amd64.exe
+
+      - name: Download build artifacts for Windows arm64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-windows-latest-arm64
+          path: target/clj-mergetool-windows-arm64.exe
+
+      - name: Download build artifacts for macOS amd64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-macos-latest-amd64
+          path: target/clj-mergetool-macos-amd64
+
+      - name: Download build artifacts for macOS arm64
+        uses: actions/download-artifact@v4
+        with:
+          name: clj-mergetool-macos-latest-arm64
+          path: target/clj-mergetool-macos-arm64
+
+      - name: Download release notes
+        uses: actions/download-artifact@v4
+        with:
+          name: release-notes
+          path: RELEASE_NOTES.md
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: RELEASE_NOTES.md
+          files: |
+            target/clj-mergetool-linux-amd64
+            target/clj-mergetool-linux-arm64
+            target/clj-mergetool-windows-amd64.exe
+            target/clj-mergetool-windows-arm64.exe
+            target/clj-mergetool-macos-amd64
+            target/clj-mergetool-macos-arm64
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}