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improve error message in config.c

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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>
This commit is contained in:
Alex Riesen 2009-04-29 23:27:54 +02:00 committed by Junio C Hamano
parent 066e596abb
commit e88d022af9
1 changed files with 1 additions and 1 deletions
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config.c
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@ -954,7 +954,7 @@ int git_config_set_multivar(const char* key, const char* value,
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;