Add an URL for message from Linus on git gc

diff --git a/pep-git.txt b/pep-git.txt
index d6c46763b81ad8fbf7f0c9fcc77d4dae75b88cc0..6272b08f8042abdc30a7b49171fa6e100286a869 100644 (file)
--- a/pep-git.txt
+++ b/pep-git.txt
@@ -491,6 +491,7 @@ Database maintenance
 ====================
 
 TODO: dangling objects, git gc, git repack.
+https://gcc.gnu.org/ml/gcc/2007-12/msg00165.html
 
 
 Tips and tricks