Update install script for XDG_CONFIG_HOME compat

install.sh

@@ -1,30 +1,39 @@
 #!/bin/sh
 
 SCRIPT=$(readlink -f "$0")
-SCRIPTPATH=$(dirname "$SCRIPT")
+RC_PATH=$(dirname "$SCRIPT")
 HOST=$(hostname)
+XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-$HOME/.config}
 
 # List of the config files to install
 FILES="vimrc zshrc gitconfig vim gitignore_global git_user ctags.d"
+CONF_DIR="config"
 
 if [ ! -e "$HOME/.git_user" ]; then
-    cp "$SCRIPTPATH/git_user.def" "$SCRIPTPATH/git_user"
-    sed -i -e "s/{username}/$USER/" "$SCRIPTPATH/git_user"
-    sed -i -e "s/{email}/$USER@$HOST/" "$SCRIPTPATH/git_user"
+    cp "$RC_PATH/git_user.def" "$RC_PATH/git_user"
+    sed -i -e "s/{username}/$USER/" "$RC_PATH/git_user"
+    sed -i -e "s/{email}/$USER@$HOST/" "$RC_PATH/git_user"
 fi
 
 # Init or update submodules
-cd "$SCRIPTPATH"
+cd "$RC_PATH"
 git submodule update --init --recursive
-cd -
+cd - > /dev/null
 
 # Setup fast-syntax-highlighting theme customization
-cp "$SCRIPTPATH/fsh_theme.zsh" "$SCRIPTPATH/fast-syntax-highlighting/current_theme.zsh"
+cp "$RC_PATH/fsh_theme.zsh" "$RC_PATH/fast-syntax-highlighting/current_theme.zsh"
 
 # Create symbolic links in the user's home dir
 for file in $FILES
 do
     if [ ! -e "$HOME/.${file}" ]; then
-        ln -s "${SCRIPTPATH}/${file}" "$HOME/.${file}"
+        ln -s "${RC_PATH}/${file}" "$HOME/.${file}"
+    # Only warn if an actual file exist, else we suppose it is from a previous install
+    elif [ ! -L "$HOME/.$file" ]; then
+        >&2 echo "File $HOME/.$file exists. Keeping old version."
     fi
 done
+
+mkdir -p $XDG_CONFIG_HOME
+find $RC_PATH/$CONF_DIR -mindepth 1 -maxdepth 1 -type d \
+	-exec sh -c "ln -s -t \"$XDG_CONFIG_HOME\" \"{}\" 2> /dev/null || ( link=$XDG_CONFIG_HOME/"'$(basename "{}")'"; test -L "'$link'" || >&2 echo \"Folder "'$link'" exists. Keeping old version.\")" \;