get_sha1() - fix infinite loop on nonexistent stage.

diff --git a/commit.h b/commit.h
index 918c9ab5e4eb3173c0d0a0748df40ef857fc7b8b..de142afe733a6ecd3bcec2abd9f71a358b4ae09d 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -45,6 +45,8 @@ enum cmit_fmt {
        CMIT_FMT_FULL,
        CMIT_FMT_FULLER,
        CMIT_FMT_ONELINE,
+
+       CMIT_FMT_UNSPECIFIED,
 };
 
 extern enum cmit_fmt get_commit_format(const char *arg);