Merge pull request #5 from maiflai/master

only sign if publishing is possible

Author: 0xRoch

build.gradle

@@ -7,9 +7,13 @@ buildscript {
     }
 }
 
+ext {
+    sonatypeUser = System.env.SONATYPE_USER
+    sonatypePass = System.env.SONATYPE_PASS
+}
+
 apply plugin: 'idea'
 apply plugin: 'maven'
-apply plugin: 'signing'
 apply plugin: 'groovy'
 apply plugin: 'release'
 
@@ -36,8 +40,11 @@ artifacts {
     archives sourcesJar
 }
 
-signing {
-    sign configurations.archives
+if (sonatypeUser) {
+    apply plugin: 'signing'
+    signing {
+        sign configurations.archives
+    }
 }
 
 uploadArchives {
@@ -47,11 +54,11 @@ uploadArchives {
 
 
             snapshotRepository(url: 'https://oss.sonatype.org/content/repositories/snapshots') {
-                authentication(userName: "$System.env.SONATYPE_USER", password: "$System.env.SONATYPE_PASS")
+                authentication(userName: sonatypeUser, password: sonatypePass)
             }
 
             repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
-                authentication(userName: "$System.env.SONATYPE_USER", password: "$System.env.SONATYPE_PASS")
+                authentication(userName: sonatypeUser, password: sonatypePass)
             }
 
             pom.project {