pull --rebase: exit early when the working directory is dirty

diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index 7b280242244094774c909f67d6a8ed7902389c5a..c97a42739d23ac7ed90ae207e5a3770c388e66a7 100644 (file)
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
@@ -26,6 +26,8 @@ static const char fetch_pack_usage[] =
 #define SEEN           (1U << 3)
 #define POPPED         (1U << 4)
 
+static int marked;
+
 /*
  * After sending this many "have"s if we do not get any new ACK , we
  * give up traversing our history.
@@ -61,6 +63,16 @@ static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int
        return 0;
 }
 
+static int clear_marks(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+       struct object *o = deref_tag(parse_object(sha1), path, 0);
+
+       if (o && o->type == OBJ_COMMIT)
+               clear_commit_marks((struct commit *)o,
+                                  COMMON | COMMON_REF | SEEN | POPPED);
+       return 0;
+}
+
 /*
    This function marks a rev and its ancestors as common.
    In some cases, it is desirable to mark only the ancestors (for example
@@ -105,15 +117,15 @@ static const unsigned char* get_rev(void)
 
        while (commit == NULL) {
                unsigned int mark;
-               struct commit_list *parents = NULL;
+               struct commit_list *parents;
 
                if (rev_list == NULL || non_common_revs == 0)
                        return NULL;
 
                commit = rev_list->item;
-               if (!(commit->object.parsed))
-                       if (!parse_commit(commit))
-                               parents = commit->parents;
+               if (!commit->object.parsed)
+                       parse_commit(commit);
+               parents = commit->parents;
 
                commit->object.flags |= POPPED;
                if (!(commit->object.flags & COMMON))
@@ -153,6 +165,10 @@ static int find_common(int fd[2], unsigned char *result_sha1,
        unsigned in_vain = 0;
        int got_continue = 0;
 
+       if (marked)
+               for_each_ref(clear_marks, NULL);
+       marked = 1;
+
        for_each_ref(rev_list_insert_ref, NULL);
 
        fetching = 0;