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config: teach git_config_set_multivar_in_file a default path 

The git_config_set_multivar_in_file function takes a
filename argument to specify the file into which the values
should be written. Currently, this value must be non-NULL.
Callers which want to write to the default location must use
the regular, non-"in_file" version, which will either write
to config_exclusive_filename, or to the repo config if the
exclusive filename is NULL.

Let's migrate the "default to using repo config" logic into
the "in_file" form. That will let callers get the same
default-if-NULL behavior as one gets with
config_exclusive_filename, but without having to use the
global variable.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2012-02-16 03:04:05 -05:00 committed by Junio C Hamano
parent 839de25272
commit 0a5f575927
1 changed files with 7 additions and 13 deletions
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20
config.c
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@ -1233,6 +1233,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
int fd = -1, in_fd;
int ret;
struct lock_file *lock = NULL;
char *filename_buf = NULL;
/* parse-key returns negative; flip the sign to feed exit(3) */
ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
@ -1241,6 +1242,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
store.multi_replace = multi_replace;
if (!config_filename)
config_filename = filename_buf = git_pathdup("config");
/*
* The lock serves a purpose in addition to locking: the new
@ -1410,6 +1413,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
out_free:
if (lock)
rollback_lock_file(lock);
free(filename_buf);
return ret;
write_err_out:
@ -1421,19 +1425,9 @@ int git_config_set_multivar_in_file(const char *config_filename,
int git_config_set_multivar(const char *key, const char *value,
const char *value_regex, int multi_replace)
{
const char *config_filename;
char *buf = NULL;
int ret;
if (config_exclusive_filename)
config_filename = config_exclusive_filename;
else
config_filename = buf = git_pathdup("config");
ret = git_config_set_multivar_in_file(config_filename, key, value,
value_regex, multi_replace);
free(buf);
return ret;
return git_config_set_multivar_in_file(config_exclusive_filename,
key, value, value_regex,
multi_replace);
}
static int section_name_match (const char *buf, const char *name)