Documentation: explain how to check for patch corruption

diff --git a/sha1_name.c b/sha1_name.c
index 709ff2eee64cf106191ad274bede82a95d00e2a3..faea58dc8c27de23e8fbaff17b39cb9e57708510 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -208,9 +208,7 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
                if (exists
                    ? !status
                    : status == SHORT_NAME_NOT_FOUND) {
-                       int cut_at = len + unique_abbrev_extra_length;
-                       cut_at = (cut_at < 40) ? cut_at : 40;
-                       hex[cut_at] = 0;
+                       hex[len] = 0;
                        return hex;
                }
                len++;