ci: automate releases and changelog with googleapis/release-please-ac…

…tion

.github/workflows/release-please.yml

@@ -0,0 +1,40 @@
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: googleapis/release-please-action@v4
+        id: release
+        with:
+          token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
+
+      - name: Extract project name
+        if: ${{ steps.release.outputs.release_created }}
+        run: |
+          PROJECT_NAME=$(grep -Po '(?<=project\().*(?=\))' CMakeLists.txt)
+          echo "PROJECT_NAME=$PROJECT_NAME" >> $GITHUB_ENV
+
+      - name: Generate wallpaper package
+        if: ${{ steps.release.outputs.release_created }}
+        run: |
+          cd ./package
+          zip -r ../${{ env.PROJECT_NAME }}-${{steps.release.outputs.tag_name}}.zip .
+
+      - name: Upload wallpaper package to release
+        if: ${{ steps.release.outputs.release_created }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ steps.release.outputs.tag_name }} ./${{ env.PROJECT_NAME }}-${{steps.release.outputs.tag_name}}.zip

.release-please-manifest.json

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+{
+    ".": "0.4.1"
+}

release-please-config.json

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+{
+    "packages": {
+        ".": {
+            "changelog-path": "CHANGELOG.md",
+            "release-type": "simple",
+            "extra-files": [
+                {
+                    "type": "json",
+                    "path": "package/metadata.json",
+                    "jsonpath": "$.KPlugin.Version"
+                }
+            ]
+        }
+    },
+    "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
+}