fast-import: don't allow to tag empty branch

diff --git a/environment.c b/environment.c
index aad274b37de33180ed49c16991367e93da259d36..03d29e8d48f46428c4efdacac84e6a0e1ddf4a0b 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -37,6 +37,7 @@ size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
 size_t delta_base_cache_limit = 16 * 1024 * 1024;
 unsigned long big_file_threshold = 512 * 1024 * 1024;
+const char *log_pack_access;
 const char *pager_program;
 int pager_use_color = 1;
 const char *editor_program;