Add additional RebaseResult for editing commits

With the new RebaseResult.EDIT a client can now distinguish if rebase
stopped due to a conflict or because the commit was marked for edit in
an interactive rebase.

Change-Id: I40f2311cf43ed5f290dcda65a7bd85ba770a85f5
Signed-off-by: Stefan Lay <stefan.lay@sap.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
index 63ef21d..eb6c5f0 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
@@ -1941,7 +1941,7 @@ public String modifyCommitMessage(String commit) {
 						return ""; // not used
 					}
 				}).call();
-		assertEquals(Status.STOPPED, res.getStatus());
+		assertEquals(Status.EDIT, res.getStatus());
 		RevCommit toBeEditted = git.log().call().iterator().next();
 		assertEquals("updated file1 on master", toBeEditted.getFullMessage());
 

org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
index 1feb3f2..ef739bb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
@@ -302,7 +302,7 @@ public RebaseResult call() throws GitAPIException, NoHeadException,
 				RevCommit commitToPick = walk
 						.parseCommit(ids.iterator().next());
 				if (monitor.isCancelled())
-					return new RebaseResult(commitToPick);
+					return new RebaseResult(commitToPick, Status.STOPPED);
 				try {
 					monitor.beginTask(MessageFormat.format(
 							JGitText.get().applyingCommit,
@@ -328,9 +328,9 @@ public RebaseResult call() throws GitAPIException, NoHeadException,
 								return abort(new RebaseResult(
 										cherryPickResult.getFailingPaths()));
 							else
-								return stop(commitToPick);
+								return stop(commitToPick, Status.STOPPED);
 						case CONFLICTING:
-							return stop(commitToPick);
+							return stop(commitToPick, Status.STOPPED);
 						case OK:
 							newHead = cherryPickResult.getNewHead();
 						}
@@ -348,7 +348,7 @@ public RebaseResult call() throws GitAPIException, NoHeadException,
 						continue;
 					case EDIT:
 						rebaseState.createFile(AMEND, commitToPick.name());
-						return stop(commitToPick);
+						return stop(commitToPick, Status.EDIT);
 					case COMMENT:
 						break;
 					case SQUASH:
@@ -673,7 +673,8 @@ private PersonIdent parseAuthor() throws IOException {
 		return parseAuthor(raw);
 	}
 
-	private RebaseResult stop(RevCommit commitToPick) throws IOException {
+	private RebaseResult stop(RevCommit commitToPick, RebaseResult.Status status)
+			throws IOException {
 		PersonIdent author = commitToPick.getAuthorIdent();
 		String authorScript = toAuthorScript(author);
 		rebaseState.createFile(AUTHOR_SCRIPT, authorScript);
@@ -691,7 +692,7 @@ private RebaseResult stop(RevCommit commitToPick) throws IOException {
 		// Remove cherry pick state file created by CherryPickCommand, it's not
 		// needed for rebase
 		repo.writeCherryPickHead(null);
-		return new RebaseResult(commitToPick);
+		return new RebaseResult(commitToPick, status);
 	}
 
 	String toAuthorScript(PersonIdent author) {

org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java
index ff18adc..6df5ffd 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java
@@ -85,6 +85,15 @@ public boolean isSuccessful() {
 			}
 		},
 		/**
+		 * Stopped for editing in the context of an interactive rebase
+		 */
+		EDIT {
+			@Override
+			public boolean isSuccessful() {
+				return false;
+			}
+		},
+		/**
 		 * Failed; the original HEAD was restored
 		 */
 		FAILED {
@@ -183,9 +192,10 @@ private RebaseResult(Status status) {
 	 *
 	 * @param commit
 	 *            current commit
+	 * @param status
 	 */
-	RebaseResult(RevCommit commit) {
-		status = Status.STOPPED;
+	RebaseResult(RevCommit commit, RebaseResult.Status status) {
+		this.status = status;
 		currentCommit = commit;
 	}