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authorJeff King <peff@peff.net>2011-08-18 09:05:08 +0400
committerJunio C Hamano <gitster@pobox.com>2011-08-20 02:51:38 +0400
commit3e1dd17a8958cc5fe47a7ca01c9da8f6fae9cb0b (patch)
tree3549f30edb6b8730423b37b29336936a9c8d22de
parentc659f55b31bb928688afd4ddfd94f8bea978ff1a (diff)
diff: don't load color config in plumbing
The diff config callback is split into two functions: one which loads "ui" config, and one which loads "basic" config. The former chains to the latter, as the diff UI config is a superset of the plumbing config. The color.diff variable is only loaded in the UI config. However, the basic config actually chains to git_color_default_config, which loads color.ui. This doesn't actually cause any bugs, because the plumbing diff code does not actually look at the value of color.ui. However, it is somewhat nonsensical, and it makes it difficult to refactor the color code. It probably came about because there is no git_color_config to load only color config, but rather just git_color_default_config, which loads color config and chains to git_default_config. This patch splits out the color-specific portion of git_color_default_config so that the diff UI config can call it directly. This is perhaps better explained by the chaining of callbacks. Before we had: git_diff_ui_config -> git_diff_basic_config -> git_color_default_config -> git_default_config Now we have: git_diff_ui_config -> git_color_config -> git_diff_basic_config -> git_default_config Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--color.c10
-rw-r--r--color.h4
-rw-r--r--diff.c5
3 files changed, 16 insertions, 3 deletions
diff --git a/color.c b/color.c
index 85864176a6..ec96fe1045 100644
--- a/color.c
+++ b/color.c
@@ -204,13 +204,21 @@ int want_color(int var)
return var > 0;
}
-int git_color_default_config(const char *var, const char *value, void *cb)
+int git_color_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "color.ui")) {
git_use_color_default = git_config_colorbool(var, value);
return 0;
}
+ return 0;
+}
+
+int git_color_default_config(const char *var, const char *value, void *cb)
+{
+ if (git_color_config(var, value, cb) < 0)
+ return -1;
+
return git_default_config(var, value, cb);
}
diff --git a/color.h b/color.h
index b413e0eace..3e515f2a46 100644
--- a/color.h
+++ b/color.h
@@ -74,8 +74,10 @@ extern const int column_colors_ansi_max;
extern int color_stdout_is_tty;
/*
- * Use this instead of git_default_config if you need the value of color.ui.
+ * Use the first one if you need only color config; the second is a convenience
+ * if you are just going to change to git_default_config, too.
*/
+int git_color_config(const char *var, const char *value, void *cb);
int git_color_default_config(const char *var, const char *value, void *cb);
int git_config_colorbool(const char *var, const char *value);
diff --git a/diff.c b/diff.c
index 0496cdc019..052e42adf0 100644
--- a/diff.c
+++ b/diff.c
@@ -164,6 +164,9 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
if (!strcmp(var, "diff.ignoresubmodules"))
handle_ignore_submodules_arg(&default_diff_options, value);
+ if (git_color_config(var, value, cb) < 0)
+ return -1;
+
return git_diff_basic_config(var, value, cb);
}
@@ -212,7 +215,7 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
if (!prefixcmp(var, "submodule."))
return parse_submodule_config_option(var, value);
- return git_color_default_config(var, value, cb);
+ return git_default_config(var, value, cb);
}
static char *quote_two(const char *one, const char *two)