Show errno if opening a lockfile fails.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
lock = xcalloc(sizeof(struct lock_file), 1);
fd = hold_lock_file_for_update(lock, config_filename, 0);
if (fd < 0) {
- error("could not lock config file %s", config_filename);
+ error("could not lock config file %s: %s", config_filename, strerror(errno));
free(store.key);
ret = -1;
goto out_free;