1 files changed, 1 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 1dba405703..314ee0dd0f 100644
--- a/cache.h
+++ b/cache.h
@@ -101,6 +101,7 @@ unsigned int active_nr, active_alloc, active_cache_changed;
 
 #define DB_ENVIRONMENT "SHA1_FILE_DIRECTORY"
 #define DEFAULT_DB_ENVIRONMENT ".git/objects"
+#define ALTERNATE_DB_ENVIRONMENT "SHA1_FILE_DIRECTORIES"
 
 #define get_object_directory() (getenv(DB_ENVIRONMENT) ? : DEFAULT_DB_ENVIRONMENT)