correct tarball path compare

Author: shokakucarrier

addons/pkg-npm/common/src/main/java/org/commonjava/indy/pkg/npm/content/PackageMetadataGenerator.java

@@ -321,10 +321,9 @@ private boolean writePackageMetadata( List<StoreResource> firstLevelFiles, Artif
                 }
 
                 // Generate tarball url if missing
-                String tarball = "http://indy/" + packagePath.getTarPath(); // here we use mock host. indy will amend it with the right hostname
- 
-                if ( versionMetadata.getDist() == null || !versionMetadata.getDist().getTarball().equals(tarball) )
+                if ( versionMetadata.getDist() == null || !versionMetadata.getDist().getTarball().endsWith(packagePath.getTarPath()) )
                 {
+                    String tarball = "http://indy/" + packagePath.getTarPath(); // here we use mock host. indy will amend it with the right hostname
                     //logger.debug( "Generate dist tarball: {}", tarball );
                     versionMetadata.setDist( new Dist(  tarball ) );
                 }