Combine build and publish workflows

.github/workflows/build.yaml

@@ -1,19 +1,35 @@
 ---
-name: 'Build'
+name: 'Build & Publish'
 
 on:  # yamllint disable-line rule:truthy
   push:
-    branches:
-      - main
-    tags:
-      - "release-*.*.*"
   pull_request:
     branches:
       - main
 
 jobs:
   build:
     uses: metaborg/actions/.github/workflows/gradle-build-matrix.yaml@main
+  publish-snapshot:
+    uses: metaborg/actions/.github/workflows/gradle-publish.yaml@main
     with:
       gradle-command: |
-        gradle build 
+        gradle assemble publish -Pgitonium.isSnapshot=true
+      gradle-version-command: |
+        gradle -q :convention-plugin:printVersion -Pgitonium.isSnapshot=true
+    if: "github.event_name == 'push' && github.ref == 'refs/heads/main'"
+    needs: [build]
+    secrets:
+      METABORG_ARTIFACTS_USERNAME: ${{ secrets.METABORG_ARTIFACTS_USERNAME }}
+      METABORG_ARTIFACTS_PASSWORD: ${{ secrets.METABORG_ARTIFACTS_PASSWORD }}
+  publish-release:
+    uses: metaborg/actions/.github/workflows/gradle-publish.yaml@main
+    with:
+      gradle-version-command: |
+        gradle -q :convention-plugin:printVersion
+    if: "github.event_name == 'push' && startsWith(github.ref, 'refs/tags/release-')"
+    needs: [build]
+    secrets:
+      METABORG_ARTIFACTS_USERNAME: ${{ secrets.METABORG_ARTIFACTS_USERNAME }}
+      METABORG_ARTIFACTS_PASSWORD: ${{ secrets.METABORG_ARTIFACTS_PASSWORD }}
+