expose a helper function peel_to_type().

diff --git a/color.c b/color.c
index 97cfbda31ac02b7e4fe747052c28821a34ee0165..cb70340420b6285786b988d4a98d2023a37d4ffc 100644 (file)
--- a/color.c
+++ b/color.c
@@ -17,7 +17,7 @@ static int parse_color(const char *name, int len)
                        return i - 1;
        }
        i = strtol(name, &end, 10);
-       if (*name && !*end && i >= -1 && i <= 255)
+       if (end - name == len && i >= -1 && i <= 255)
                return i;
        return -2;
 }
@@ -116,7 +116,7 @@ void color_parse(const char *value, const char *var, char *dst)
        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;