create backup and force creation of symbolic link

config/zsh.sh

@@ -13,14 +13,9 @@ fi
 mkdir -p /home/"$_user"/.config
 cd /home/"$_user"
 rm -Rf .config/zsh
-if [ -h .zshrc ] ; then
-  rm .zshrc
-elif [ -f .zshrc ] ; then
-  mv .zshrc .zshrc.backup
-fi
 su ray -c 'git clone https://git.rayelliott.dev/dots/zsh.git .config/zsh'
 su ray -c 'git clone https://github.com/tarjoilija/zgen.git .config/zsh/zgen'
-su ray -c 'ln -s .config/zsh/zshrc .zshrc'
+su ray -c 'ln -bfs .config/zsh/zshrc .zshrc'
 
 # set interactive shell
 _zsh=$(command -v zsh)