1 files changed, 13 insertions, 3 deletions
diff --git a/cache.h b/cache.h
index 50b28fad01..3fcc283002 100644
--- a/cache.h
+++ b/cache.h
@@ -474,10 +474,20 @@ static inline void hashclr(unsigned char *hash)
 
 int git_mkstemp(char *path, size_t n, const char *template);
 
+/*
+ * NOTE NOTE NOTE!!
+ *
+ * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
+ * not be changed. Old repositories have core.sharedrepository written in
+ * numeric format, and therefore these values are preserved for compatibility
+ * reasons.
+ */
 enum sharedrepo {
-	PERM_UMASK = 0,
-	PERM_GROUP,
-	PERM_EVERYBODY
+	PERM_UMASK          = 0,
+	OLD_PERM_GROUP      = 1,
+	OLD_PERM_EVERYBODY  = 2,
+	PERM_GROUP          = 0660,
+	PERM_EVERYBODY      = 0664,
 };
 int git_config_perm(const char *var, const char *value);
 int adjust_shared_perm(const char *path);