Make RepositoryState.REBASING_MERGE reachable again.

If a non interactive rebase is launched, stopping after a conflict
should set the repository state to RepositoryState.REBASING_MERGE
instead of RepositoryState.REBASING_INTERACTIVE.

Bug: 452623
Change-Id: Ie885aab6d71dabd158a718af0d14fff643c9b850
Also-by: Arthur Daussy <arthur.daussy@obeo.fr>
Signed-off-by: Laurent Delaigue <laurent.delaigue@obeo.fr>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

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

@@ -180,7 +180,7 @@ public class PullCommandWithRebaseTest extends RepositoryTestCase {
 				+ remoteUri
 				+ "\nSource change\n=======\nTarget change\n>>>>>>> 42453fd Target change in local\n";
 		assertFileContentsEqual(targetFile, result);
-		assertEquals(RepositoryState.REBASING_INTERACTIVE, target
+		assertEquals(RepositoryState.REBASING_MERGE, target
 				.getRepository().getRepositoryState());
 	}
 
@@ -225,7 +225,7 @@ public class PullCommandWithRebaseTest extends RepositoryTestCase {
 		String result = "<<<<<<< Upstream, based on branch 'master' of local repository\n"
 				+ "Master change\n=======\nSlave change\n>>>>>>> 4049c9e Source change in based on master\n";
 		assertFileContentsEqual(targetFile, result);
-		assertEquals(RepositoryState.REBASING_INTERACTIVE, target
+		assertEquals(RepositoryState.REBASING_MERGE, target
 				.getRepository().getRepositoryState());
 	}
 

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

@@ -824,7 +824,7 @@ public class RebaseCommandTest extends RepositoryTestCase {
 				"<<<<<<< Upstream, based on master\n1master\n=======\n1topic",
 				">>>>>>> e0d1dea change file1 in topic\n2\n3\ntopic4");
 
-		assertEquals(RepositoryState.REBASING_INTERACTIVE, db
+		assertEquals(RepositoryState.REBASING_MERGE, db
 				.getRepositoryState());
 		assertTrue(new File(db.getDirectory(), "rebase-merge").exists());
 		// the first one should be included, so we should have left two picks in
@@ -887,7 +887,7 @@ public class RebaseCommandTest extends RepositoryTestCase {
 				"<<<<<<< Upstream, based on master\n1master\n=======\n1topic",
 				">>>>>>> e0d1dea change file1 in topic\n2\n3\ntopic4");
 
-		assertEquals(RepositoryState.REBASING_INTERACTIVE,
+		assertEquals(RepositoryState.REBASING_MERGE,
 				db.getRepositoryState());
 		assertTrue(new File(db.getDirectory(), "rebase-merge").exists());
 		// the first one should be included, so we should have left two picks in
@@ -1009,7 +1009,7 @@ public class RebaseCommandTest extends RepositoryTestCase {
 		res = git.rebase().setOperation(Operation.CONTINUE).call();
 		assertNotNull(res);
 		assertEquals(Status.NOTHING_TO_COMMIT, res.getStatus());
-		assertEquals(RepositoryState.REBASING_INTERACTIVE,
+		assertEquals(RepositoryState.REBASING_MERGE,
 				db.getRepositoryState());
 
 		git.rebase().setOperation(Operation.SKIP).call();
@@ -1300,7 +1300,7 @@ public class RebaseCommandTest extends RepositoryTestCase {
 		// user can decide what to do. if he accidentally committed, reset soft,
 		// and continue, if he really has nothing to commit, skip.
 		assertEquals(Status.NOTHING_TO_COMMIT, res.getStatus());
-		assertEquals(RepositoryState.REBASING_INTERACTIVE,
+		assertEquals(RepositoryState.REBASING_MERGE,
 				db.getRepositoryState());
 
 		git.rebase().setOperation(Operation.SKIP).call();
@@ -1401,7 +1401,7 @@ public class RebaseCommandTest extends RepositoryTestCase {
 		assertEquals(Status.STOPPED, res.getStatus());
 		assertEquals(conflicting, res.getCurrentCommit());
 
-		assertEquals(RepositoryState.REBASING_INTERACTIVE, db
+		assertEquals(RepositoryState.REBASING_MERGE, db
 				.getRepositoryState());
 		assertTrue(new File(db.getDirectory(), "rebase-merge").exists());
 		// the first one should be included, so we should have left two picks in

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

@@ -1088,7 +1088,9 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 		rebaseState.createFile(HEAD_NAME, headName);
 		rebaseState.createFile(ONTO, upstreamCommit.name());
 		rebaseState.createFile(ONTO_NAME, upstreamCommitName);
-		rebaseState.createFile(INTERACTIVE, ""); //$NON-NLS-1$
+		if (isInteractive()) {
+			rebaseState.createFile(INTERACTIVE, ""); //$NON-NLS-1$
+		}
 		rebaseState.createFile(QUIET, ""); //$NON-NLS-1$
 
 		ArrayList<RebaseTodoLine> toDoSteps = new ArrayList<RebaseTodoLine>();