test/send-email: --[no-]xmailer tests

diff --git a/pretty.c b/pretty.c
index 3a1da6fd329efe1723bdb906a907ce4160c4633a..31fc76b2fde8297298a7d9ffd38ea7f00eede2fa 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -24,6 +24,11 @@ static size_t commit_formats_len;
 static size_t commit_formats_alloc;
 static struct cmt_fmt_map *find_commit_format(const char *sought);
 
+int commit_format_is_empty(enum cmit_fmt fmt)
+{
+       return fmt == CMIT_FMT_USERFORMAT && !*user_format;
+}
+
 static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
 {
        free(user_format);
@@ -146,7 +151,7 @@ void get_commit_format(const char *arg, struct rev_info *rev)
        struct cmt_fmt_map *commit_format;
 
        rev->use_terminator = 0;
-       if (!arg || !*arg) {
+       if (!arg) {
                rev->commit_format = CMIT_FMT_DEFAULT;
                return;
        }
@@ -155,7 +160,7 @@ void get_commit_format(const char *arg, struct rev_info *rev)
                return;
        }
 
-       if (strchr(arg, '%')) {
+       if (!*arg || strchr(arg, '%')) {
                save_user_format(rev, arg, 1);
                return;
        }