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config.c: introduce 'git_config_color' to parse ANSI colors

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In preparation for adding `--type=color` to the `git-config(1)` builtin,
let's introduce a color parsing utility, `git_config_color` in a similar
fashion to `git_config_<type>`.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau 2018-04-09 17:18:28 -07:00 committed by Junio C Hamano
parent eeaa24b990
commit 6d2f9acc0f
2 changed files with 11 additions and 0 deletions
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10
config.c
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@ -16,6 +16,7 @@
#include "string-list.h"
#include "utf8.h"
#include "dir.h"
#include "color.h"
struct config_source {
struct config_source *prev;
@ -1000,6 +1001,15 @@ int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *
return 0;
}
int git_config_color(char *dest, const char *var, const char *value)
{
if (!value)
return config_error_nonbool(var);
if (color_parse(value, dest) < 0)
return -1;
return 0;
}
static int git_default_core_config(const char *var, const char *value)
{
/* This needs a better name */

1
config.h
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@ -59,6 +59,7 @@ extern int git_config_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
extern int git_config_pathname(const char **, const char *, const char *);
extern int git_config_expiry_date(timestamp_t *, const char *, const char *);
extern int git_config_color(char *, const char *, const char *);
extern int git_config_set_in_file_gently(const char *, const char *, const char *);
extern void git_config_set_in_file(const char *, const char *, const char *);
extern int git_config_set_gently(const char *, const char *);