fast-import: Don't use a maybe-clobbered errno value

[git.git] / color.c

diff --git a/color.c b/color.c
index 97cfbda31ac02b7e4fe747052c28821a34ee0165..7f66c29fae57abceda30b1257c2a66626f3be0b2 100644 (file)
--- a/color.c
+++ b/color.c
@@ -116,7 +116,7 @@ bad:
        die("bad config value '%s' for variable '%s'", value, var);
 }
 
-int git_config_colorbool(const char *var, const char *value)
+int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
 {
        if (value) {
                if (!strcasecmp(value, "never"))
@@ -133,7 +133,9 @@ int git_config_colorbool(const char *var, const char *value)
 
        /* any normal truth value defaults to 'auto' */
  auto_color:
-       if (isatty(1) || (pager_in_use && pager_use_color)) {
+       if (stdout_is_tty < 0)
+               stdout_is_tty = isatty(1);
+       if (stdout_is_tty || (pager_in_use() && pager_use_color)) {
                char *term = getenv("TERM");
                if (term && strcmp(term, "dumb"))
                        return 1;