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path: root/tools/install.sh
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set -e

CHECK_ZSH_INSTALLED=$(grep /zsh$ /etc/shells | wc -l)
if [ ! $CHECK_ZSH_INSTALLED -ge 1 ]; then
  echo "\033[0;33m Zsh is not installed!\033[0m Please install zsh first!"
  exit
fi
unset CHECK_ZSH_INSTALLED

if [ ! -n "$ZSH" ]; then
  ZSH=~/.oh-my-zsh
fi

if [ -d "$ZSH" ]; then
  echo "\033[0;33mYou already have Oh My Zsh installed.\033[0m You'll need to remove $ZSH if you want to install"
  exit
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

echo "\033[0;34mCloning Oh My Zsh...\033[0m"
hash git >/dev/null 2>&1 && env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git $ZSH || {
  echo "git not installed"
  exit
}

echo "\033[0;34mLooking for an existing zsh config...\033[0m"
if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
  echo "\033[0;33mFound ~/.zshrc.\033[0m \033[0;32mBacking up to ~/.zshrc.pre-oh-my-zsh\033[0m";
  mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
fi

echo "\033[0;34mUsing the Oh My Zsh template file and adding it to ~/.zshrc\033[0m"
cp $ZSH/templates/zshrc.zsh-template ~/.zshrc
sed "/^export ZSH=/ c\\
export ZSH=$ZSH
" ~/.zshrc > ~/.zshrc-omztemp
mv -f ~/.zshrc-omztemp ~/.zshrc

echo "\033[0;34mCopying your current PATH and adding it to the end of ~/.zshrc for you.\033[0m"
sed "/export PATH=/ c\\
export PATH=\"$PATH\"
" ~/.zshrc > ~/.zshrc-omztemp
mv -f ~/.zshrc-omztemp ~/.zshrc

# If this user's login shell is not already "zsh", attempt to switch.
if [ "$(expr "$SHELL" : '.*/\(.*\)')" != "zsh" ]; then
  # If this platform provides a "chsh" command (not Cygwin), do it, man!
  if hash chsh >/dev/null 2>&1; then
    echo "\033[0;34mTime to change your default shell to zsh!\033[0m"
    chsh -s $(grep /zsh$ /etc/shells | tail -1)
  # Else, suggest the user do so manually.
  else
    echo "\033[0;34mPlease manually change your default shell to zsh!\033[0m"
  fi
fi

echo "\033[0;32m"'         __                                     __   '"\033[0m"
echo "\033[0;32m"'  ____  / /_     ____ ___  __  __   ____  _____/ /_  '"\033[0m"
echo "\033[0;32m"' / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ '"\033[0m"
echo "\033[0;32m"'/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / '"\033[0m"
echo "\033[0;32m"'\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  '"\033[0m"
echo "\033[0;32m"'                        /____/                       ....is now installed!'"\033[0m"
echo "\n\n \033[0;32mPlease look over the ~/.zshrc file to select plugins, themes, and options.\033[0m"
echo "\n\n \033[0;32mp.s. Follow us at http://twitter.com/ohmyzsh.\033[0m"
echo "\n\n \033[0;32mp.p.s. Get stickers and t-shirts at http://shop.planetargon.com.\033[0m"
env zsh
. ~/.zshrc