Function git_env_bool

parse.c:197–208

* Parse environment variable 'k' as a boolean (in various * possible spellings); if missing, use the default value 'def'. */

 * possible spellings); if missing, use the default value 'def'.
 */
int git_env_bool(const char *k, int def)
{
	const char *v = getenv(k);
	int val;
	if (!v)
		return def;
	val = git_parse_maybe_bool(v);
	if (val < 0)
		die(_("bad boolean environment value '%s' for '%s'"),
		    v, k);
	return val;
}

/*
 * Parse environment variable 'k' as ulong with possibly a unit