GC#deleteOrphans: log warning for deleted orphaned files

Change-Id: Ie245bf5c8c924dfb1f0f40b8bcdcb1e6f5815526
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties

@@ -203,6 +203,7 @@ deepenNotWithDeepen=Cannot combine deepen with deepen-not
 deepenSinceWithDeepen=Cannot combine deepen with deepen-since
 deleteBranchUnexpectedResult=Delete branch returned unexpected result {0}
 deleteFileFailed=Could not delete file {0}
+deletedOrphanInPackDir=Deleted orphaned file {}
 deleteRequiresZeroNewId=Delete requires new ID to be zero
 deleteTagUnexpectedResult=Delete tag returned unexpected result {0}
 deletingNotSupported=Deleting {0} not supported.

org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java

@@ -264,6 +264,7 @@ public class JGitText extends TranslationBundle {
 	/***/ public String deepenSinceWithDeepen;
 	/***/ public String deleteBranchUnexpectedResult;
 	/***/ public String deleteFileFailed;
+	/***/ public String deletedOrphanInPackDir;
 	/***/ public String deleteRequiresZeroNewId;
 	/***/ public String deleteTagUnexpectedResult;
 	/***/ public String deletingNotSupported;

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java

@@ -1001,7 +1001,9 @@ public class GC {
 			} else {
 				if (base == null || !n.startsWith(base)) {
 					try {
-						Files.delete(packDir.resolve(n));
+						Path delete = packDir.resolve(n);
+						Files.delete(delete);
+						LOG.warn(JGitText.get().deletedOrphanInPackDir, delete);
 					} catch (IOException e) {
 						LOG.error(e.getMessage(), e);
 					}