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