Signed-off-by: Robin Rosenberg <robin.rosenberg@xxxxxxxxxx>
---
.../src/org/spearce/jgit/lib/Repository.java | 30 ++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
index 4d6e6fd..5088150 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
@@ -47,10 +47,13 @@
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.Collections;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import java.util.Vector;
import org.spearce.jgit.errors.IncorrectObjectTypeException;
@@ -952,6 +955,33 @@ public Ref peel(final Ref ref) {
}
/**
+ * @return a map with all objects referenced by a peeled ref.
+ */
+ public Map<AnyObjectId, Set<Ref>> getAllRefsByPeeledObjectId() {
+ Map<String, Ref> allRefs = getAllRefs();
+ Map<AnyObjectId, Set<Ref>> ret = new HashMap<AnyObjectId, Set<Ref>>(allRefs.size());
+ for (Ref ref : allRefs.values()) {
+ if (!ref.isPeeled())
+ ref = peel(ref);
+ AnyObjectId target = ref.getPeeledObjectId();
+ if (target == null)
+ target = ref.getObjectId();
+ // We assume most Sets here are singletons
+ Set<Ref> oset = ret.put(target, Collections.singleton(ref));
+ if (oset != null) {
+ // that was not the case (rare)
+ if (oset.size() == 1) {
+ // Was a read-only singleton, we must copy to a new Set
+ oset = new HashSet<Ref>(oset);
+ }
+ ret.put(target, oset);
+ oset.add(ref);
+ }
+ }
+ return ret;
+ }
+
+ /**
* @return true if HEAD points to a StGit patch.
*/
public boolean isStGitMode() {
--
1.6.0.3.640.g6331a.dirty
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