Add support for rebase interactive 'edit' command

The 'edit' command allows you to change arbitrary commit
content and the message of any commit in the repository.

Bug: 394577
Change-Id: I43a44782cdb10b29f13784fa75ab37fe5d4da01b
Signed-off-by: Dariusz Luksza <dariusz@luksza.org>
Signed-off-by: Chris Aniszczyk <zx@twitter.com>

1 files changed, 52 insertions, 0 deletions

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 07ce7606b1..ba97e905b3 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
@@ -1581,6 +1581,58 @@ public class RebaseCommandTest extends RepositoryTestCase {
 		assertEquals("rewritten commit message", actualCommitMag);
 	}
 
+	@Test
+	public void testRebaseInteractiveEdit() throws Exception {
+		// create file1 on master
+		writeTrashFile(FILE1, FILE1);
+		git.add().addFilepattern(FILE1).call();
+		git.commit().setMessage("Add file1").call();
+		assertTrue(new File(db.getWorkTree(), FILE1).exists());
+
+		// create file2 on master
+		writeTrashFile("file2", "file2");
+		git.add().addFilepattern("file2").call();
+		git.commit().setMessage("Add file2").call();
+		assertTrue(new File(db.getWorkTree(), "file2").exists());
+
+		// update FILE1 on master
+		writeTrashFile(FILE1, "blah");
+		git.add().addFilepattern(FILE1).call();
+		git.commit().setMessage("updated file1 on master").call();
+
+		writeTrashFile("file2", "more change");
+		git.add().addFilepattern("file2").call();
+		git.commit().setMessage("update file2 on side").call();
+
+		RebaseResult res = git.rebase().setUpstream("HEAD~2")
+				.runInteractively(new InteractiveHandler() {
+					public void prepareSteps(List<Step> steps) {
+						steps.get(0).action = Action.EDIT;
+					}
+
+					public String modifyCommitMessage(String commit) {
+						return ""; // not used
+					}
+				}).call();
+		assertEquals(Status.STOPPED, res.getStatus());
+		RevCommit toBeEditted = git.log().call().iterator().next();
+		assertEquals("updated file1 on master", toBeEditted.getFullMessage());
+
+		// change file and commit with new commit message
+		writeTrashFile("file1", "edited");
+		git.commit().setAll(true).setAmend(true)
+				.setMessage("edited commit message").call();
+		// resume rebase
+		res = git.rebase().setOperation(Operation.CONTINUE).call();
+
+		checkFile(new File(db.getWorkTree(), "file1"), "edited");
+		assertEquals(Status.OK, res.getStatus());
+		Iterator<RevCommit> logIterator = git.log().all().call().iterator();
+		logIterator.next(); // skip first commit;
+		String actualCommitMag = logIterator.next().getShortMessage();
+		assertEquals("edited commit message", actualCommitMag);
+	}
+
 	private File getTodoFile() {
 		File todoFile = new File(db.getDirectory(),
 				"rebase-merge/git-rebase-todo");