Hi,
On Sun, 29 Jun 2008, Daniel Barkalow wrote:
> Now, clone writes to the config file before reading any configuration, so,
> if it's going to write to ".git/config" instead of $GIT_CONFIG, it can't
> read from $GIT_CONFIG either. So there's no way (outside of redesigning
> config.c) to make GIT_CONFIG useful for "clone" in particular.
Except you could read the config _before_ writing.
Or you could enhance (not redesign, as you suggest) config.c thusly:
-- snip --
diff --git a/cache.h b/cache.h
index 871f6c1..f3ea997 100644
--- a/cache.h
+++ b/cache.h
@@ -742,6 +742,7 @@ extern int git_config_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
extern int git_config_set(const char *, const char *);
extern int git_config_set_multivar(const char *, const char *, const char *, int);
+extern int git_config_set_multivar_in_file(const char *, const char *, const char *, int, const char *);
extern int git_config_rename_section(const char *, const char *);
extern const char *git_etc_gitconfig(void);
extern int check_repository_format_version(const char *var, const char *value, void *cb);
diff --git a/config.c b/config.c
index 58749bf..41a35eb 100644
--- a/config.c
+++ b/config.c
@@ -863,23 +863,31 @@ int git_config_set(const char* key, const char* value)
* - the config file is removed and the lock file rename()d to it.
*
*/
-int git_config_set_multivar(const char* key, const char* value,
- const char* value_regex, int multi_replace)
+int git_config_set_multivar(const char *key, const char *value,
+ const char *value_regex, int multi_replace)
+{
+ return git_config_set_multivar_in_file(key, value, value_regex,
+ multi_replace, NULL);
+}
+
+int git_config_set_multivar_in_file(const char *key, const char *value,
+ const char *value_regex, int multi_replace, const char *config_filename)
{
int i, dot;
int fd = -1, in_fd;
int ret;
- char* config_filename;
+ char *filename;
struct lock_file *lock = NULL;
const char* last_dot = strrchr(key, '.');
- config_filename = getenv(CONFIG_ENVIRONMENT);
+ if (!config_filename)
+ config_filename = getenv(CONFIG_ENVIRONMENT);
if (!config_filename) {
config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
if (!config_filename)
- config_filename = git_path("config");
+ config_filename =
+ filename = xstrdup(git_path("config"));
}
- config_filename = xstrdup(config_filename);
/*
* Since "key" actually contains the section name and the real
@@ -1091,7 +1099,8 @@ int git_config_set_multivar(const char* key, const char* value,
out_free:
if (lock)
rollback_lock_file(lock);
- free(config_filename);
+ if (filename)
+ free(filename);
return ret;
write_err_out:
-- snap --
... and then have something like
config_filename = xstrdup(mkpath("%s/config", git_dir));
if (safe_create_leading_directories_const(git_dir) < 0)
die("could not create leading directories of '%s'", git_dir);
set_git_dir(make_absolute_path(git_dir));
[...]
if (option_bare) {
strcpy(branch_top, "refs/heads/");
git_config_set_multivar_in_file("core.bare", "true",
NULL, 0, config_filename);
[...]
Of course, you would also have to teach init_db() to use this filename.
But frankly, I do not see the use of your "narrow" special case. And as I
stated in another thread, I am pretty opposed to crossing bridges that are
miles (or an eternity) away.
So unless you present me with a sensible scenario where your "respect
GIT_CONFIG for _reading_ in GIT_CONFIG=... git clone" makes sense, there
is nothing to see here, please move along.
Ciao,
Dscho
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