Teach "git-read-tree -u" to check out submodules as a directory

diff --git a/reflog-walk.c b/reflog-walk.c
index afe1577d76ebd06e323d478f616c838142fa02d0..c983858259f717b3ed9d0f00921aec92219c1ad3 100644 (file)
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -174,6 +174,19 @@ void add_reflog_for_walk(struct reflog_walk_info *info,
                        branch = xstrdup(head);
                }
                reflogs = read_complete_reflog(branch);
+               if (!reflogs || reflogs->nr == 0) {
+                       unsigned char sha1[20];
+                       char *b;
+                       if (dwim_log(branch, strlen(branch), sha1, &b) == 1) {
+                               if (reflogs) {
+                                       free(reflogs->ref);
+                                       free(reflogs);
+                               }
+                               free(branch);
+                               branch = b;
+                               reflogs = read_complete_reflog(branch);
+                       }
+               }
                if (!reflogs || reflogs->nr == 0)
                        die("No reflogs found for '%s'", branch);
                path_list_insert(branch, &info->complete_reflogs)->util