index c9bcf148b0e1cd659e645e0f793fc07ebc133426..39a3b23804d2da715c564459bf320be23d41c1bf 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -1412,6 +1412,10 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
tz = strtoul(tz_c, NULL, 10);
if (get_sha1_hex(logdata, sha1))
die("Log %s is corrupt.", logfile);
+ if (is_null_sha1(sha1)) {
+ if (get_sha1_hex(logdata + 41, sha1))
+ die("Log %s is corrupt.", logfile);
+ }
if (msg)
*msg = ref_msg(logdata, logend);
munmap(log_mapped, mapsz);