Strip trailing /s in repo base URI.

Change-Id: I71040db2cca69638cfad89acdc9179ee80592b27
Signed-off-by: Yuxuan 'fishy' Wang <fishywang@google.com>

org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/RepoTest.java

@@ -149,7 +149,7 @@ public class RepoTest extends CLIRepositoryTestCase {
 					!groupAUri.startsWith(prefix) ||
 					!groupBUri.startsWith(prefix)) {
 				start++;
-				rootUri = defaultUri.substring(0, start);
+				rootUri = defaultUri.substring(0, start) + "manifest";
 				defaultUri = defaultUri.substring(start);
 				notDefaultUri = notDefaultUri.substring(start);
 				groupAUri = groupAUri.substring(start);

org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandTest.java

@@ -526,7 +526,7 @@ public class RepoCommandTest extends RepositoryTestCase {
 					!groupAUri.startsWith(prefix) ||
 					!groupBUri.startsWith(prefix)) {
 				start++;
-				rootUri = defaultUri.substring(0, start);
+				rootUri = defaultUri.substring(0, start) + "manifest";
 				defaultUri = defaultUri.substring(start);
 				notDefaultUri = notDefaultUri.substring(start);
 				groupAUri = groupAUri.substring(start);

org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java

@@ -289,7 +289,13 @@ public class RepoCommand extends GitCommand<RevCommit> {
 			this.command = command;
 			this.inputStream = inputStream;
 			this.filename = filename;
-			this.baseUrl = baseUrl;
+
+			// Strip trailing /s to match repo behavior.
+			int lastIndex = baseUrl.length() - 1;
+			while (lastIndex >= 0 && baseUrl.charAt(lastIndex) == '/')
+				lastIndex--;
+			this.baseUrl = baseUrl.substring(0, lastIndex + 1);
+
 			remotes = new HashMap<String, String>();
 			projects = new ArrayList<Project>();
 			plusGroups = new HashSet<String>();