Add release action

Draft a GitHub release when a PR is merged to main.
Actual release happens by publishing the draft release in GitHub.

Author: LKajan

.github/release-drafter.yml

@@ -0,0 +1,50 @@
+name-template: "$RESOLVED_VERSION"
+tag-template: "v$RESOLVED_VERSION"
+
+template: |
+  ## Muutokset
+
+  $CHANGES
+
+  **Yksityiskohtaisempi muutosloki**: https://github.com/$OWNER/$REPOSITORY/compare/$PREVIOUS_TAG...v$RESOLVED_VERSION
+
+categories:
+  - title: "🚀 Uudet ominaisuudet"
+    labels:
+      - "feature"
+      - "enhancement"
+  - title: "🐛 Korjaukset"
+    labels:
+      - "fix"
+      - "bugfix"
+      - "bug"
+  - title: "📖 Dokumentaatio"
+    labels:
+      - "documentation"
+  - title: "🧰 Ylläpito"
+    labels:
+      - "chore"
+      - "internal"
+
+exclude-labels:
+  - "skip-changelog"
+
+change-template: "- $TITLE @$AUTHOR (#$NUMBER)"
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+
+version-resolver:
+  major:
+    labels:
+      - "major"
+      - "breaking"
+  minor:
+    labels:
+      - "minor"
+      - "feature"
+      - "enhancement"
+  patch:
+    labels:
+      - "patch"
+      - "fix"
+      - "bug"
+  default: patch

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    name: "📝 Update Release Draft"
+    permissions:
+      # write permission is required to create a github release
+      contents: write
+      # write permission is required for autolabeler
+      # otherwise, read permission is required at least
+      pull-requests: read
+    runs-on: ubuntu-latest
+    outputs:
+      name: ${{ steps.release-drafter.outputs.name }}
+      tag_name: ${{ steps.release-drafter.outputs.tag_name }}
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "main"
+      - uses: release-drafter/release-drafter@v6
+        id: release-drafter
+        with:
+          disable-autolabeler: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - run: |
+          echo "name: ${{ steps.release-drafter.outputs.tag_name }}"
+          echo "tag=${{ steps.release-drafter.outputs.tag_name }}"

.github/workflows/release.yml

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+name: Release
+on:
+  push:
+    tags:
+      - v*.*.*
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.version.outputs.tag }}
+      version: ${{ steps.version.outputs.version }}
+    steps:
+      - name: version
+        id: version
+        run: |
+          tag=${GITHUB_REF/refs\/tags\//}
+          version=${tag#v}
+          echo "tag=${tag}" >> $GITHUB_OUTPUT
+          echo "version=${version}" >> $GITHUB_OUTPUT
+
+      - uses: release-drafter/release-drafter@master
+        with:
+          version: ${{ steps.version.outputs.version }}
+          publish: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  deploy:
+    runs-on: ubuntu-24.04
+    needs: release
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt update && sudo apt install qtbase5-dev qttools5-dev-tools
+          sudo pip install qgis-plugin-ci --break-system-packages
+      - name: Release
+        run: |
+          qgis-plugin-ci release ${{ needs.release.outputs.version }} \
+              --release-tag ${{ needs.release.outputs.tag }} \
+              --disable-submodule-update \
+              --github-token ${{ secrets.GITHUB_TOKEN }} \
+              --create-plugin-repo