improved install script

.gitignore

@@ -0,0 +1 @@
+.installed

install.sh

@@ -3,12 +3,27 @@
 # Adrien Luxey - Feb. 2019
 # Script inspired by https://github.com/mathiasbynens/dotfiles/blob/master/bootstrap.sh
 
-
+# Get dotfiles dir
-# cd to this file's directory
 DOTDIR=$(cd "$(dirname ${BASH_SOURCE})"; pwd)
-# echo "DOTDIR: " $DOTDIR
+INSTALLED_FLAG_FILE="$DOTDIR/.installed"
+INSTALL_SUBLIME=0
 
-function syncDotfiles() {
+
+function printHelp {
+	cat <<-EOF
+	USAGE: $0 [OPTIONS]
+
+	OPTIONS:
+		-s|--sublime 	Install Sublime Text 3
+		-h|--help 		Show this help
+
+	The script will install dependencies once (remove ${INSTALLED_FLAG_FILE} to redo) and symlink dotfiles to their destination in your \$HOME.
+	EOF
+	exit $1;
+}
+
+function syncDotfiles {
+	echo Removing previous dotfiles...
 	rm $HOME/.zshrc > /dev/null 2>&1
 	rm $HOME/.vimrc > /dev/null 2>&1
 	rm $HOME/.tmux.conf > /dev/null 2>&1
@@ -16,33 +31,73 @@ function syncDotfiles() {
 	rm -rf $HOME/.tmux > /dev/null 2>&1
 	rm -rf $HOME/.config/sublime-text-3/Packages/User > /dev/null 2>&1
 
+	echo Installing our dotfiles...
 	ln -s $DOTDIR/zshrc $HOME/.zshrc
 	ln -s $DOTDIR/vimrc $HOME/.vimrc
 	ln -s $DOTDIR/tmux.conf $HOME/.tmux.conf
 	ln -s $DOTDIR/vim $HOME/.vim
 	ln -s $DOTDIR/tmux $HOME/.tmux
-	ln -s $DOTDIR/sublime $HOME/.config/sublime-text-3/Packages/User 
+	ln -s $DOTDIR/sublime $HOME/.config/sublime-text-3/Packages/User 	
-	
 }
-syncDotfiles
 
-function installDependencies() {
+function installDependencies {
+	echo Installing dependencies...
+
 	# Dependencies
-	sudo apt update
+	sudo apt update  > /dev/null 2>&1
-	sudo apt install -y apt-transport-https curl zsh fonts-powerline
+	sudo apt install -y apt-transport-https curl zsh fonts-powerline  > /dev/null 2>&1
 
 	# Install Sublime Text
-	wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -
+	if [[ ${INSTALL_SUBLIME} -eq 1 ]]; then
-	echo "deb https://download.sublimetext.com/ apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list
+		echo Installing Sublime Text 3...
-	sudo apt update
+		wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add - > /dev/null 2>&1
-	sudo apt install sublime-text -y
+		echo "deb https://download.sublimetext.com/ apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list > /dev/null 2>&1
+		sudo apt update > /dev/null 2>&1
+		sudo apt install sublime-text -y > /dev/null 2>&1
+	fi
 
 	# Install Oh My Zsh
-	sh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"
+	if [ ! -d "$HOME/.oh-my-zsh" ]; then
-	# Install powerlevel9k theme in Oh-My-Zsh
+		echo Installing Oh-My-Zsh...
-	git clone https://github.com/bhilburn/powerlevel9k.git $HOME/.oh-my-zsh/custom/themes/powerlevel9k
+		sh -c "$(wget -q https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)" > /dev/null 2>&1
+		# Install powerlevel9k theme in Oh-My-Zsh
+		if [ ! -d "$HOME/.oh-my-zsh/custom/themes/powerlevel9k" ]; then
+			echo Installing Powerlevel9k theme...
+			git clone https://github.com/bhilburn/powerlevel9k.git $HOME/.oh-my-zsh/custom/themes/powerlevel9k > /dev/null 2>&1
+		fi
+	fi
 	
 	# Set ZSH as default shell
-	sudo -u $USER chsh -s $(which zsh)
+	if [ ! "$SHELL" = "$(which zsh)" ]; then
+		echo Setting ZSH as default shell...
+		chsh -s $(which zsh) 
+	fi
 }
 
+# Parse command-line arguments
+while (( "$#" )); do 
+	case "$1" in 
+		-h|--help)
+			printHelp 0
+			;;
+		-s|--sublime)
+			INSTALL_SUBLIME=1
+			shift
+			;;
+		--)
+			shift
+			break 
+			;;
+		-*|--*=)
+			echo "Error: Unsupported flag $1" >&2
+			printHelp 1
+			;;
+	esac
+done
+
+if [ ! -f $INSTALLED_FLAG_FILE ]; then
+	installDependencies && touch $INSTALLED_FLAG_FILE
+fi
+syncDotfiles
+echo "All done!"
+exit 0

sync.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-# Adrien Luxey - Feb. 2019
-# Script inspired by https://github.com/mathiasbynens/dotfiles/blob/master/bootstrap.sh
-
-# cd to this file's directory
-cd "$(dirname "${BASH_SOURCE}")";
-
-git pull origin master
-
-# Get dotfiles (and dot directories) in current directory
-dotfiles=$(find . -maxdepth 1 -regex "\./\..+" -printf "%f\n")
-
-function syncDotfiles() {
-	ln -s $dotfiles ~
-}
-
-syncDotfiles