Update backup mechanism

.cfg/Dockerfile.test.brew

@@ -26,7 +26,6 @@ RUN brew install starship neofetch fzf btop wget \
 RUN curl -fLo '~/.vim/autoload/plug.vim' --create-dirs \
     'https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
 
-ENV E=123
 RUN rm -rf .bashrc .zshrc && curl -Lks https://raw.githubusercontent.com/dhvcc/configs/master/.cfg/install.sh | /bin/sh
 
 # Install manually or in script

.cfg/install.sh

@@ -1,21 +1,16 @@
 #!/bin/sh
-# Origin https://bitbucket.org/durdn/cfg/src/master/.bin/install.sh
+# Inspiration https://bitbucket.org/durdn/cfg/src/master/.bin/install.sh
 
 cd "$HOME"
 
 alias cfg="/usr/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME"
 mkdir -p "$HOME/.config-backup"
-git clone --bare https://github.com/dhvcc/configs.git $HOME/.cfg
+git clone --no-checkout --bare https://github.com/dhvcc/configs.git $HOME/.cfg
 
-cfg checkout
+# Backup and remove repo files (if exist)
+cfg ls-tree -r master --name-only | xargs -I {} mv {} ./.config-backup/{}
 
-if [ $? = 0 ]; then
-  echo "Checked out config.";
-  else
-    echo "Backing up pre-existing dot files.";
-    cfg checkout 2>&1 | egrep "\s+\." | awk {'print $1'} | xargs -I{} mv {} .config-backup/{}
-    cfg checkout
-fi;
+cfg checkout
 
 cfg "config" status.showUntrackedFiles no
 cfg "config" commit.verbose true