Check that we are configured to display colors in the given context when
the user specifies a format string of `%C(auto)`, instead of always
displaying the default color for the given context.  This makes
`%C(auto)` obey the `color=auto` setting and brings its behavior in line
with the behavior of `%C(auto,<colorname>)`.

This allows the user the ability to specify that color should be
displayed for a string only when the output is a tty, and to use the
default color for the given context without having to hardcode a
color value.
---
 pretty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pretty.c b/pretty.c
index 87c4497..c3ec430 100644
--- a/pretty.c
+++ b/pretty.c
@@ -1063,7 +1063,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in 
UTF-8 */
        switch (placeholder[0]) {
        case 'C':
                if (starts_with(placeholder + 1, "(auto)")) {
-                       c->auto_color = 1;
+                       c->auto_color = want_color(c->pretty_ctx->color);
                        return 7; /* consumed 7 bytes, "C(auto)" */
                } else {
                        int ret = parse_color(sb, placeholder, c);
-- 
2.6.4 (Apple Git-63)

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