diff --git a/git/gitconfig.symlink b/git/gitconfig.symlink
index 4ee1ba7..dcd91d7 100644
--- a/git/gitconfig.symlink
+++ b/git/gitconfig.symlink
@@ -2,6 +2,8 @@
 [user]
     name = Nick Nisi
     email = nick@nisi.org
+[github]
+    user = nicknisi
 [alias]
     ci = commit -a
     co = checkout
@@ -40,6 +42,8 @@
     undo = reset --soft HEAD~1
     amend = commit --amend -C HEAD
 
+    cleanup = "!git remote prune origin && git gc && git clean -df && git stash clear"
+
     # grep commands
 
     # 'diff grep'
@@ -94,4 +98,4 @@
     pager = less -FXRS -x2
     editor = vim
 [rerere]
-	enabled = false
+    enabled = true
diff --git a/tmux/tmux.conf.symlink b/tmux/tmux.conf.symlink
index 3356696..a414103 100644
--- a/tmux/tmux.conf.symlink
+++ b/tmux/tmux.conf.symlink
@@ -5,6 +5,9 @@ set -g status-utf8 on
 
 set -g history-limit 20000
 
+# automatically renumber tmux windows
+set -g renumber-windows on
+
 # unbind default prefix and set it to Ctrl+a
 unbind C-b
 set -g prefix C-a