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config: read (but not write) from $XDG_CONFIG_HOME/git/config file

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Teach git to read the "gitconfig" information from a new location,
$XDG_CONFIG_HOME/git/config; this allows the user to avoid
cluttering $HOME with many per-application configuration files.

In the order of reading, this file comes between the global
configuration file (typically $HOME/.gitconfig) and the system wide
configuration file (typically /etc/gitconfig).

We do not write to this new location (yet).

If $XDG_CONFIG_HOME is either not set or empty, $HOME/.config/git/config
will be used. This is in line with XDG specification.

If the new file does not exist, the behavior is unchanged.

Signed-off-by: Huynh Khoi Nguyen Nguyen <Huynh-Khoi-Nguyen.Nguyen@ensimag.imag.fr>
Signed-off-by: Valentin Duperray <Valentin.Duperray@ensimag.imag.fr>
Signed-off-by: Franck Jonas <Franck.Jonas@ensimag.imag.fr>
Signed-off-by: Lucien Kong <Lucien.Kong@ensimag.imag.fr>
Signed-off-by: Thomas Nguy <Thomas.Nguy@ensimag.imag.fr>
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Huynh Khoi Nguyen Nguyen
2012-06-22 11:03:23 +02:00
committed by Junio C Hamano
parent 0e18bef7e6
commit 21cf322791
6 changed files with 158 additions and 21 deletions
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41
path.c
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@@ -87,6 +87,21 @@ char *git_pathdup(const char *fmt, ...)
return xstrdup(path);
}
char *mkpathdup(const char *fmt, ...)
{
char *path;
struct strbuf sb = STRBUF_INIT;
va_list args;
va_start(args, fmt);
strbuf_vaddf(&sb, fmt, args);
va_end(args);
path = xstrdup(cleanup_path(sb.buf));
strbuf_release(&sb);
return path;
}
char *mkpath(const char *fmt, ...)
{
va_list args;
@@ -122,6 +137,32 @@ char *git_path(const char *fmt, ...)
return cleanup_path(pathname);
}
void home_config_paths(char **global, char **xdg, char *file)
{
char *xdg_home = getenv("XDG_CONFIG_HOME");
char *home = getenv("HOME");
char *to_free = NULL;
if (!home) {
if (global)
*global = NULL;
} else {
if (!xdg_home) {
to_free = mkpathdup("%s/.config", home);
xdg_home = to_free;
}
if (global)
*global = mkpathdup("%s/.gitconfig", home);
}
if (!xdg_home)
*xdg = NULL;
else
*xdg = mkpathdup("%s/git/%s", xdg_home, file);
free(to_free);
}
char *git_path_submodule(const char *path, const char *fmt, ...)
{
char *pathname = get_pathname();