X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-revert.c;h=d210150671830c10f098463175e5a6e8d304c1a4;hb=3b167396b416541f7559f3141392d56b93ea049c;hp=4038b4118da087069db82bfcf6e0dd298aec9036;hpb=efe05b019ca19328d27c07ef32b4698a7f36166f;p=git.git

diff --git a/builtin-revert.c b/builtin-revert.c
index 4038b4118..d21015067 100644
--- a/builtin-revert.c
+++ b/builtin-revert.c
@@ -223,17 +223,6 @@ static char *help_msg(const unsigned char *sha1)
 	return helpbuf;
 }
 
-static int index_is_dirty(void)
-{
-	struct rev_info rev;
-	init_revisions(&rev, NULL);
-	setup_revisions(0, NULL, &rev, "HEAD");
-	DIFF_OPT_SET(&rev.diffopt, QUIET);
-	DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
-	run_diff_index(&rev, 1);
-	return !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES);
-}
-
 static struct tree *empty_tree(void)
 {
 	struct tree *tree = xcalloc(1, sizeof(struct tree));
@@ -279,7 +268,7 @@ static int revert_or_cherry_pick(int argc, const char **argv)
 	} else {
 		if (get_sha1("HEAD", head))
 			die ("You do not have a valid HEAD");
-		if (index_is_dirty())
+		if (index_differs_from("HEAD", 0))
 			die ("Dirty index: cannot %s", me);
 	}
 	discard_cache();
@@ -352,6 +341,11 @@ static int revert_or_cherry_pick(int argc, const char **argv)
 		add_to_msg(oneline_body + 1);
 		add_to_msg("\"\n\nThis reverts commit ");
 		add_to_msg(sha1_to_hex(commit->object.sha1));
+
+		if (commit->parents->next) {
+			add_to_msg(", reversing\nchanges made to ");
+			add_to_msg(sha1_to_hex(parent->object.sha1));
+		}
 		add_to_msg(".\n");
 	} else {
 		base = parent;