added release.yml (#26)

Author: johnpatek

.github/workflows/release.yml

@@ -0,0 +1,71 @@
+name: MIO Release Pipeline
+
+on:
+  push:
+    branches: [ "master" ]
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Read version from file
+        id: version
+        run: |
+          VERSION=$(cat VERSION)
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+
+      - name: Check if tag exists
+        id: check_tag
+        continue-on-error: true
+        run: git rev-parse v${{ steps.version.outputs.VERSION }} >/dev/null 2>&1
+
+      - name: Create release tag
+        if: steps.check_tag.outcome == 'failure'
+        run: |
+          git config user.name "github-actions"
+          git config user.email "[email protected]"
+          git tag -a v${{ steps.version.outputs.VERSION }} -m "Release ${{ steps.version.outputs.VERSION }}"
+          git push origin v${{ steps.version.outputs.VERSION }}
+
+      - name: Create tar archive
+        run: |
+          tar -czf mio-${{ steps.version.outputs.VERSION }}.tar.gz \
+            --exclude=.git \
+            --exclude=.github \
+            --exclude=build \
+            --exclude=.gitignore \
+            --exclude=.clang-format \
+            --exclude=.clang-tidy \
+            .
+
+      - name: Create GitHub Release
+        if: steps.check_tag.outcome == 'failure'
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: v${{ steps.version.outputs.VERSION }}
+          release_name: Release ${{ steps.version.outputs.VERSION }}
+          body: |
+            Release of MIO ${{ steps.version.outputs.VERSION }}
+          draft: false
+          prerelease: false
+
+      - name: Upload tar archive to release
+        if: steps.check_tag.outcome == 'failure'
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./mio-${{ steps.version.outputs.VERSION }}.tar.gz
+          asset_name: mio-${{ steps.version.outputs.VERSION }}.tar.gz
+          asset_content_type: application/gzip