Experimental: Automate release

Author: bessman

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+name: Release
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Download artifacts
+      id: download-artifact
+    - uses: dawidd6/action-download-artifact@v7
+      with:
+        workflow: build.yml
+        commit: ${{ github.sha }}
+        # branch: main
+        event: release
+        skip_unpack: true
+
+    - name: Parse changelog
+    - uses: actions/checkout@v4
+    - uses: actions-ecosystem/action-regex-match@v2
+      id: regex-match
+      with:
+        text: CHANGELOG.md
+        regex: |
+          '## \['
+          ${{ github.event.release.tag_name }}
+          '\].*\n\n((.|\n)*)(?:## \[[0-9]+.[0-9]+.[0-9]+\])'
+        flags: gm
+
+    - name: Release
+    - uses: softprops/action-gh-release@v2
+      with:
+        body: ${{ steps.regex-match.outputs.group1 }}
+    - uses: shogo82148/actions-upload-release-asset@v1
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: *.zip