Support gitlinks in fast-import.
[git/git.git] / builtin-fast-export.c
index 76f3167..a443d59 100644 (file)
@@ -136,9 +136,18 @@ static void show_filemodify(struct diff_queue_struct *q,
                if (is_null_sha1(spec->sha1))
                        printf("D %s\n", spec->path);
                else {
-                       struct object *object = lookup_object(spec->sha1);
-                       printf("M %06o :%d %s\n", spec->mode,
-                              get_object_mark(object), spec->path);
+                       /*
+                        * Links refer to objects in another repositories;
+                        * output the SHA-1 verbatim.
+                        */
+                       if (S_ISGITLINK(spec->mode))
+                               printf("M %06o %s %s\n", spec->mode,
+                                      sha1_to_hex(spec->sha1), spec->path);
+                       else {
+                               struct object *object = lookup_object(spec->sha1);
+                               printf("M %06o :%d %s\n", spec->mode,
+                                      get_object_mark(object), spec->path);
+                       }
                }
        }
 }
@@ -196,8 +205,10 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
                diff_root_tree_sha1(commit->tree->object.sha1,
                                    "", &rev->diffopt);
 
+       /* Export the referenced blobs, and remember the marks. */
        for (i = 0; i < diff_queued_diff.nr; i++)
-               handle_object(diff_queued_diff.queue[i]->two->sha1);
+               if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode))
+                       handle_object(diff_queued_diff.queue[i]->two->sha1);
 
        mark_next_object(&commit->object);
        if (!is_encoding_utf8(encoding))