abbrev: auto size the default abbreviation

diff --git a/environment.c b/environment.c
index 44fb107b8a7c8546f6e782cd9d1b97704b494696..6f9d2905634359d2ebf5d8835e7d9f09920968e8 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -16,7 +16,7 @@ int trust_executable_bit = 1;
 int trust_ctime = 1;
 int check_stat = 1;
 int has_symlinks = 1;
-int minimum_abbrev = 4, default_abbrev = FALLBACK_DEFAULT_ABBREV;
+int minimum_abbrev = 4, default_abbrev = -1;
 int ignore_case;
 int assume_unchanged;
 int prefer_symlink_refs;