CAPAUT-353 Externalize gradle build parts

gradle/build-version.gradle

@@ -0,0 +1,58 @@
+/*
+ * Enables version handling on build process
+ * 
+ * Project: gradle
+ * Author: Marc Böhm <marc.boehm@captica.de>
+ * License: MIT License (see LICENSE.md)
+ * 
+ * Copyright (c) captica GmbH est. 2021
+ */
+
+
+// Setup versions handling
+gitVersioning.apply {
+    refs {        
+		branch('(feature|bugfix)/(?<feature>.+)') {
+ 		   version = '${ref.feature}-SNAPSHOT'
+		}
+		branch('release/v(?<version>.*)') {
+            version = '${ref.version}-RC'
+        }
+		branch('.+') {
+            version = '${ref}-SNAPSHOT'
+        }
+        tag('v(?<version>.*)') {
+            version = '${ref.version}'
+        }
+    }
+    // optional fallback configuration in case of no matching ref configuration
+    rev {
+        version = '${commit}'
+    }
+}
+
+task writeVersionFile() {
+	doLast {
+		new File(buildDir, 'env-setup.sh').text = """
+#!/bin/sh
+
+# Default env vars
+export CAPTICA_APPLICATION_VERSION=${version}
+export CAPTICA_APPLICATION_NAME=${project.name}
+export CAPTICA_APPLICATION_FILE_BINARY=${bootJar.archiveFileName.get()}
+export CAPTICA_APPLICATION_PORT=${applicationPort}
+export CAPTICA_APPLICATION_JAVA_VERSION=${java.sourceCompatibility}
+
+# Gitea/Github specific env variables
+echo "CAPTICA_APPLICATION_VERSION=\$CAPTICA_APPLICATION_VERSION" >> \$GITHUB_ENV
+echo "CAPTICA_APPLICATION_FILE_BINARY=\$CAPTICA_APPLICATION_FILE_BINARY" >> \$GITHUB_ENV
+echo "CAPTICA_APPLICATION_NAME=\$CAPTICA_APPLICATION_NAME" >> \$GITHUB_ENV
+echo "CAPTICA_APPLICATION_PORT=\$CAPTICA_APPLICATION_PORT" >> \$GITHUB_ENV
+echo "CAPTICA_APPLICATION_JAVA_VERSION=\$CAPTICA_APPLICATION_JAVA_VERSION" >> \$GITHUB_ENV
+"""
+	}    
+}
+
+tasks.named('bootJar').configure {
+	dependsOn writeVersionFile
+}