ci: add snapshot release support

.github/workflows/snapshot-release.yml

@@ -0,0 +1,19 @@
+name: Release
+on: [workflow_dispatch] # Manual trigger
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    container:
+      image: eclipse-temurin:21-jdk
+      options: --user root
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: gradle/wrapper-validation-action@v1
+      - run: chmod +x ./gradlew
+      - run: ./gradlew checkVersion build publish --stacktrace
+        env:
+          SNAPSHOTS_MAVEN_URL: ${{ secrets.SNAPSHOTS_MAVEN_URL }}
+          SNAPSHOTS_MAVEN_USERNAME: ${{ secrets.SNAPSHOTS_MAVEN_USERNAME }}
+          SNAPSHOTS_MAVEN_PASSWORD: ${{ secrets.SNAPSHOTS_MAVEN_PASSWORD }}

build.gradle

@@ -6,7 +6,7 @@ plugins {
 	id 'com.github.johnrengelman.shadow' version '8.1.1'
 }
 
-version = '0.10.4'
+version = '0.10.5-SNAPSHOT'
 
 def ENV = System.getenv()
 version = version + (ENV.GITHUB_ACTIONS ? "" : "+local")
@@ -98,6 +98,15 @@ publishing {
 				}
 			}
 		}
+		if (ENV.SNAPSHOTS_MAVEN_URL) {
+			maven {
+				url ENV.SNAPSHOTS_MAVEN_URL
+				credentials {
+					username ENV.SNAPSHOTS_MAVEN_USERNAME
+					password ENV.SNAPSHOTS_MAVEN_PASSWORD
+				}
+			}
+		}
 	}
 }