Merge branch 'stable-6.3' into stable-6.4

* stable-6.3:
  Fix getPackedRefs to not throw NoSuchFileException
  Add pack options to preserve and prune old pack files
  Allow to perform PackedBatchRefUpdate without locking loose refs
  Document option "core.sha1Implementation" introduced in 59029aec

Change-Id: I1073098fb06eabafdb3c5e7fcf44d55b86a1b152

1 files changed, 12 insertions, 6 deletions

diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Gc.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Gc.java
index 177be7066d..c87f0b6dcf 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Gc.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Gc.java
@@ -10,6 +10,7 @@
 
 package org.eclipse.jgit.pgm;
 
+import org.eclipse.jgit.api.GarbageCollectCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.lib.TextProgressMonitor;
@@ -21,20 +22,25 @@ class Gc extends TextBuiltin {
 	private boolean aggressive;
 
 	@Option(name = "--preserve-oldpacks", usage = "usage_PreserveOldPacks")
-	private boolean preserveOldPacks;
+	private Boolean preserveOldPacks;
 
 	@Option(name = "--prune-preserved", usage = "usage_PrunePreserved")
-	private boolean prunePreserved;
+	private Boolean prunePreserved;
 
 	/** {@inheritDoc} */
 	@Override
 	protected void run() {
 		Git git = Git.wrap(db);
 		try {
-			git.gc().setAggressive(aggressive)
-					.setPreserveOldPacks(preserveOldPacks)
-					.setPrunePreserved(prunePreserved)
-					.setProgressMonitor(new TextProgressMonitor(errw)).call();
+			GarbageCollectCommand command = git.gc().setAggressive(aggressive)
+					.setProgressMonitor(new TextProgressMonitor(errw));
+			if (preserveOldPacks != null) {
+				command.setPreserveOldPacks(preserveOldPacks.booleanValue());
+			}
+			if (prunePreserved != null) {
+				command.setPrunePreserved(prunePreserved.booleanValue());
+			}
+			command.call();
 		} catch (GitAPIException e) {
 			throw die(e.getMessage(), e);
 		}