t4013: prepare for upcoming "diff --raw --abbrev" output format change

diff --git a/cache.h b/cache.h
index d74f00d8db2035c5109e2bf00a1ea25c14c7f24c..100317823e03b517db8c809f85cbd58dcb90f06c 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1942,4 +1942,10 @@ void sleep_millisec(int millisec);
  */
 void safe_create_dir(const char *dir, int share);
 
+/*
+ * Should we print an ellipsis after an abbreviated SHA-1 value
+ * when doing diff-raw output or indicating a detached HEAD?
+ */
+extern int print_sha1_ellipsis(void);
+
 #endif /* CACHE_H */