Adapt merge message to C Git for remote-tracking branch

Commit 13931236b9ee2895a98ffdbdacbd0f895956d8a8 in C Git (2011-11-02)
changed the message format:

-Merge remote branch 'origin/foo'
+Merge remote-tracking branch 'origin/foo'

This change does the same in EGit to be consistent.

Change-Id: I7d9c5afa95771dbfe6079b5f89a10b248fee0172
Signed-off-by: Robin Stocker <robin@nibor.org>

org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/MergeMessageFormatterTest.java

@@ -114,7 +114,7 @@ public class MergeMessageFormatterTest extends SampleDataRepositoryTestCase {
 		Ref remoteA = db.getRef("refs/remotes/origin/remote-a");
 		Ref master = db.getRef("refs/heads/master");
 		String message = formatter.format(Arrays.asList(remoteA), master);
-		assertEquals("Merge remote branch 'origin/remote-a'", message);
+		assertEquals("Merge remote-tracking branch 'origin/remote-a'", message);
 	}
 
 	@Test
@@ -123,7 +123,7 @@ public class MergeMessageFormatterTest extends SampleDataRepositoryTestCase {
 		Ref remoteA = db.getRef("refs/remotes/origin/remote-a");
 		Ref master = db.getRef("refs/heads/master");
 		String message = formatter.format(Arrays.asList(c, remoteA), master);
-		assertEquals("Merge branch 'c', remote branch 'origin/remote-a'",
+		assertEquals("Merge branch 'c', remote-tracking branch 'origin/remote-a'",
 				message);
 	}
 

org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeMessageFormatter.java

@@ -99,8 +99,8 @@ public class MergeMessageFormatter {
 			listings.add(joinNames(branches, "branch", "branches"));
 
 		if (!remoteBranches.isEmpty())
-			listings.add(joinNames(remoteBranches, "remote branch",
+			listings.add(joinNames(remoteBranches, "remote-tracking branch",
-					"remote branches"));
+					"remote-tracking branches"));
 
 		if (!tags.isEmpty())
 			listings.add(joinNames(tags, "tag", "tags"));