githooks documentation: add a note about the +x mode

diff --git a/branch.c b/branch.c
index b1e59f2196b933ab7169a30efc5d1d340f8f9c5c..b1ac837f3d30c826ddbe29492b906bf2d0de0a1a 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -129,7 +129,9 @@ void create_branch(const char *head,
                        die("Cannot setup tracking information; starting point is not a branch.");
                break;
        case 1:
-               /* Unique completion -- good */
+               /* Unique completion -- good, only if it is a real ref */
+               if (track == BRANCH_TRACK_EXPLICIT && !strcmp(real_ref, "HEAD"))
+                       die("Cannot setup tracking information; starting point is not a branch.");
                break;
        default:
                die("Ambiguous object name: '%s'.", start_name);
@@ -168,5 +170,6 @@ void remove_branch_state(void)
        unlink(git_path("MERGE_HEAD"));
        unlink(git_path("MERGE_RR"));
        unlink(git_path("MERGE_MSG"));
+       unlink(git_path("MERGE_MODE"));
        unlink(git_path("SQUASH_MSG"));
 }