Merge pull request 'Release workflow: build every version and attach jars; release 0.1.1-beta' (#12) from release-workflow into master

Reviewed-on: #12

.gitea/workflows/release.yml

@@ -0,0 +1,66 @@
+name: Release
+
+# Publishing a release builds every Minecraft version and attaches the mod jars
+# to it. mod_version in gradle.properties is the source of truth: the release
+# tag must match it (a leading "v" is allowed), so bump mod_version in a PR
+# before tagging the release.
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Check tag matches mod_version
+        env:
+          TAG: ${{ github.event.release.tag_name }}
+        run: |
+          MOD_VERSION="$(sed -n 's/^mod_version=//p' gradle.properties | tr -d '[:space:]')"
+          if [ "${TAG#v}" != "$MOD_VERSION" ]; then
+            echo "::error::Release tag '$TAG' doesn't match mod_version '$MOD_VERSION' in gradle.properties. Bump mod_version to '${TAG#v}' on the release branch, or tag the release '$MOD_VERSION'." >&2
+            exit 1
+          fi
+          echo "Building Saturn Client $MOD_VERSION"
+
+      - name: Set up Java 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: gradle
+
+      - name: Build all versions
+        run: |
+          chmod +x gradlew
+          # buildAll remaps every versions/* project in parallel into build/allJars.
+          ./gradlew buildAll --no-daemon --stacktrace
+
+      - name: Upload jars to the release
+        env:
+          TOKEN: ${{ secrets.GITEA_TOKEN }}
+          ASSETS_URL: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases/${{ github.event.release.id }}/assets
+        run: |
+          shopt -s nullglob
+          jars=(build/allJars/*.jar)
+          if [ ${#jars[@]} -eq 0 ]; then
+            echo "No jars found in build/allJars" >&2
+            exit 1
+          fi
+
+          for jar in "${jars[@]}"; do
+            echo "Uploading $(basename "$jar")"
+            curl --fail-with-body -sS -X POST \
+              -H "Authorization: token $TOKEN" \
+              -F "attachment=@$jar" \
+              "$ASSETS_URL"
+            echo
+          done

gradle.properties

@@ -4,4 +4,4 @@ org.gradle.parallel=true
 # IntelliJ IDEA is not yet fully compatible with configuration cache, see: https://github.com/FabricMC/fabric-loom/issues/1349
 org.gradle.configuration-cache=false
 
-mod_version=0.1.0-beta3
+mod_version=0.1.1-beta