installer: use tabs to allow future heredocs

This will allow us to use tab stripping heredocs with `<<-'.
See http://www.tldp.org/LDP/abs/html/here-docs.html#EX71A

Add editorconfig file to enforce this style.
See http://editorconfig.org for more information.

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+
+[*.sh]
+indent_size = 4
+indent_style = tab

tools/install.sh

@@ -3,116 +3,116 @@ set -e
 
 # Test command existence (POSIX compatible)
 command_exists() {
-  command -v "$@" >/dev/null 2>&1
+	command -v "$@" >/dev/null 2>&1
 }
 
 main() {
-  # Use colors, but only if connected to a terminal, and that terminal
-  # supports them.
-  if command_exists tput; then
-    ncolors=$(tput colors)
-  fi
-  if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
-    RED="$(tput setaf 1)"
-    GREEN="$(tput setaf 2)"
-    YELLOW="$(tput setaf 3)"
-    BLUE="$(tput setaf 4)"
-    BOLD="$(tput bold)"
-    NORMAL="$(tput sgr0)"
-  else
-    RED=""
-    GREEN=""
-    YELLOW=""
-    BLUE=""
-    BOLD=""
-    NORMAL=""
-  fi
+	# Use colors, but only if connected to a terminal, and that terminal
+	# supports them.
+	if command_exists tput; then
+		ncolors=$(tput colors)
+	fi
 
-  if ! command_exists zsh; then
-    printf "${YELLOW}Zsh is not installed!${NORMAL} Please install zsh first!\n"
-    exit 1
-  fi
+	if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
+		RED="$(tput setaf 1)"
+		GREEN="$(tput setaf 2)"
+		YELLOW="$(tput setaf 3)"
+		BLUE="$(tput setaf 4)"
+		BOLD="$(tput bold)"
+		NORMAL="$(tput sgr0)"
+	else
+		RED=""
+		GREEN=""
+		YELLOW=""
+		BLUE=""
+		BOLD=""
+		NORMAL=""
+	fi
 
-  if [ ! -n "$ZSH" ]; then
-    ZSH=~/.oh-my-zsh
-  fi
+	if ! command_exists zsh; then
+		printf "${YELLOW}Zsh is not installed!${NORMAL} Please install zsh first!\n"
+		exit 1
+	fi
 
-  if [ -d "$ZSH" ]; then
-    printf "${YELLOW}You already have Oh My Zsh installed.${NORMAL}\n"
-    printf "You'll need to remove $ZSH if you want to re-install.\n"
-    exit 1
-  fi
+	if [ ! -n "$ZSH" ]; then
+		ZSH=~/.oh-my-zsh
+	fi
 
-  # Prevent the cloned repository from having insecure permissions. Failing to do
-  # so causes compinit() calls to fail with "command not found: compdef" errors
-  # for users with insecure umasks (e.g., "002", allowing group writability). Note
-  # that this will be ignored under Cygwin by default, as Windows ACLs take
-  # precedence over umasks except for filesystems mounted with option "noacl".
-  umask g-w,o-w
+	if [ -d "$ZSH" ]; then
+		printf "${YELLOW}You already have Oh My Zsh installed.${NORMAL}\n"
+		printf "You'll need to remove $ZSH if you want to re-install.\n"
+		exit 1
+	fi
 
-  printf "${BLUE}Cloning Oh My Zsh...${NORMAL}\n"
-  command_exists git || {
-    echo "Error: git is not installed"
-    exit 1
-  }
-  # The Windows (MSYS) Git is not compatible with normal use on cygwin
-  if [ "$OSTYPE" = cygwin ]; then
-    if git --version | grep msysgit > /dev/null; then
-      echo "Error: Windows/MSYS Git is not supported on Cygwin"
-      echo "Error: Make sure the Cygwin git package is installed and is first on the path"
-      exit 1
-    fi
-  fi
-  env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git "$ZSH" || {
-    printf "Error: git clone of oh-my-zsh repo failed\n"
-    exit 1
-  }
+	# Prevent the cloned repository from having insecure permissions. Failing to do
+	# so causes compinit() calls to fail with "command not found: compdef" errors
+	# for users with insecure umasks (e.g., "002", allowing group writability). Note
+	# that this will be ignored under Cygwin by default, as Windows ACLs take
+	# precedence over umasks except for filesystems mounted with option "noacl".
+	umask g-w,o-w
 
+	printf "${BLUE}Cloning Oh My Zsh...${NORMAL}\n"
+	command_exists git || {
+		echo "Error: git is not installed"
+		exit 1
+	}
+	# The Windows (MSYS) Git is not compatible with normal use on cygwin
+	if [ "$OSTYPE" = cygwin ]; then
+		if git --version | grep msysgit > /dev/null; then
+			echo "Error: Windows/MSYS Git is not supported on Cygwin"
+			echo "Error: Make sure the Cygwin git package is installed and is first on the path"
+			exit 1
+		fi
+	fi
+	env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git "$ZSH" || {
+		printf "Error: git clone of oh-my-zsh repo failed\n"
+		exit 1
+	}
 
-  printf "${BLUE}Looking for an existing zsh config...${NORMAL}\n"
-  if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
-    printf "${YELLOW}Found ~/.zshrc.${NORMAL} ${GREEN}Backing up to ~/.zshrc.pre-oh-my-zsh${NORMAL}\n";
-    mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
-  fi
+	printf "${BLUE}Looking for an existing zsh config...${NORMAL}\n"
+	if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
+		printf "${YELLOW}Found ~/.zshrc.${NORMAL} ${GREEN}Backing up to ~/.zshrc.pre-oh-my-zsh${NORMAL}\n";
+		mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
+	fi
 
-  printf "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${NORMAL}\n"
-  cp "$ZSH"/templates/zshrc.zsh-template ~/.zshrc
-  sed "/^export ZSH=/ c\\
-  export ZSH=\"$ZSH\"
-  " ~/.zshrc > ~/.zshrc-omztemp
-  mv -f ~/.zshrc-omztemp ~/.zshrc
+	printf "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${NORMAL}\n"
+	cp "$ZSH/templates/zshrc.zsh-template" ~/.zshrc
+	sed "/^export ZSH=/ c\\
+export ZSH=\"$ZSH\"
+" ~/.zshrc > ~/.zshrc-omztemp
+	mv -f ~/.zshrc-omztemp ~/.zshrc
 
-  # If this user's login shell is not already "zsh", attempt to switch.
-  TEST_CURRENT_SHELL=$(basename "$SHELL")
-  if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
-    # If this platform provides a "chsh" command (not Cygwin), do it, man!
-    if command_exists chsh; then
-      printf "${BLUE}Time to change your default shell to zsh!${NORMAL}\n"
-      chsh -s $(grep /zsh$ /etc/shells | tail -1)
-    # Else, suggest the user do so manually.
-    else
-      printf "I can't change your shell automatically because this system does not have chsh.\n"
-      printf "${BLUE}Please manually change your default shell to zsh!${NORMAL}\n"
-    fi
-  fi
+	# If this user's login shell is not already "zsh", attempt to switch.
+	TEST_CURRENT_SHELL=$(basename "$SHELL")
+	if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
+		# If this platform provides a "chsh" command (not Cygwin), do it, man!
+		if command_exists chsh; then
+			printf "${BLUE}Time to change your default shell to zsh!${NORMAL}\n"
+			chsh -s $(grep /zsh$ /etc/shells | tail -1)
+		# Else, suggest the user do so manually.
+		else
+			printf "I can't change your shell automatically because this system does not have chsh.\n"
+			printf "${BLUE}Please manually change your default shell to zsh!${NORMAL}\n"
+		fi
+	fi
 
-  printf "${GREEN}"
-  echo '         __                                     __   '
-  echo '  ____  / /_     ____ ___  __  __   ____  _____/ /_  '
-  echo ' / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ '
-  echo '/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / '
-  echo '\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  '
-  echo '                        /____/                       ....is now installed!'
-  echo ''
-  echo ''
-  echo 'Please look over the ~/.zshrc file to select plugins, themes, and options.'
-  echo ''
-  echo 'p.s. Follow us at https://twitter.com/ohmyzsh'
-  echo ''
-  echo 'p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh'
-  echo ''
-  printf "${NORMAL}"
-  env zsh -l
+	printf "${GREEN}"
+	echo '         __                                     __   '
+	echo '  ____  / /_     ____ ___  __  __   ____  _____/ /_  '
+	echo ' / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ '
+	echo '/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / '
+	echo '\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  '
+	echo '                        /____/                       ....is now installed!'
+	echo ''
+	echo ''
+	echo 'Please look over the ~/.zshrc file to select plugins, themes, and options.'
+	echo ''
+	echo 'p.s. Follow us at https://twitter.com/ohmyzsh'
+	echo ''
+	echo 'p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh'
+	echo ''
+	printf "${NORMAL}"
+	env zsh -l
 }
 
 main