sha1-lookup: make selection of 'middle' less aggressive

diff --git a/reflog-walk.c b/reflog-walk.c
index afe1577d76ebd06e323d478f616c838142fa02d0..ee1456b45a2e1bfe08564400c12015889e57cf12 100644 (file)
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -136,7 +136,7 @@ void init_reflog_walk(struct reflog_walk_info** info)
        *info = xcalloc(sizeof(struct reflog_walk_info), 1);
 }
 
-void add_reflog_for_walk(struct reflog_walk_info *info,
+int add_reflog_for_walk(struct reflog_walk_info *info,
                struct commit *commit, const char *name)
 {
        unsigned long timestamp = 0;
@@ -174,8 +174,21 @@ 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);
+                       return -1;
                path_list_insert(branch, &info->complete_reflogs)->util
                        = reflogs;
        }
@@ -187,13 +200,14 @@ void add_reflog_for_walk(struct reflog_walk_info *info,
                if (commit_reflog->recno < 0) {
                        free(branch);
                        free(commit_reflog);
-                       return;
+                       return -1;
                }
        } else
                commit_reflog->recno = reflogs->nr - recno - 1;
        commit_reflog->reflogs = reflogs;
 
        add_commit_info(commit, commit_reflog, &info->reflogs);
+       return 0;
 }
 
 void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)