Merge branch 'en/rebase-root-and-fork-point-are-incompatible'

Incompatible options "--root" and "--fork-point" of "git rebase"
have been marked and documented as being incompatible.

* en/rebase-root-and-fork-point-are-incompatible:
  rebase: display an error if --root and --fork-point are both provided

1 files changed, 3 insertions, 0 deletions

diff --git a/builtin/rebase.c b/builtin/rebase.c
index 1c0a49c642..8cbfc5106e 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1481,6 +1481,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 			die(_("cannot combine '--keep-base' with '--root'"));
 	}
 
+	if (options.root && fork_point > 0)
+		die(_("cannot combine '--root' with '--fork-point'"));
+
 	if (action != ACTION_NONE && !in_progress)
 		die(_("No rebase in progress?"));
 	setenv(GIT_REFLOG_ACTION_ENVIRONMENT, "rebase", 0);