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main() {
# Use colors, but only if connected to a terminal, and that terminal
# supports them.
if which tput >/dev/null 2>&1; 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="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
fi
# Only enable exit-on-error after the non-critical colorization stuff,
# which may fail on systems lacking tput or terminfo
set -e
if ! command -v zsh >/dev/null 2>&1; then
printf "${YELLOW}Zsh is not installed!${NORMAL} Please install zsh first!\n"
exit
fi
if [ ! -n "$ZSH" ]; then
ZSH=~/.oh-my-zsh
fi
if [ -d "$ZSH" ]; then
printf "${YELLOW}You already have Oh My Zsh installed.${NORMAL}\n"
printf "You'll need to remove $ZSH if you want to re-install.\n"
exit
fi
# Prevent the cloned repository from having insecure permissions. Failing to do
# so causes compinit() calls to fail with "command not found: compdef" errors
# for users with insecure umasks (e.g., "002", allowing group writability). Note
# that this will be ignored under Cygwin by default, as Windows ACLs take
# precedence over umasks except for filesystems mounted with option "noacl".
umask g-w,o-w
printf "${BLUE}Cloning Oh My Zsh...${NORMAL}\n"
command -v git >/dev/null 2>&1 || {
echo "Error: git is not installed"
exit 1
}
# The Windows (MSYS) Git is not compatible with normal use on cygwin
if [ "$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 "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${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=$(expr "$SHELL" : '.*/\(.*\)')
if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
# If this platform provides a "chsh" command (not Cygwin), do it, man!
if hash chsh >/dev/null 2>&1; then
printf "${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 "${GREEN}"
echo ' __ __ '
echo ' ____ / /_ ____ ___ __ __ ____ _____/ /_ '
echo ' / __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \ '
echo '/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / / '
echo '\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/ '
echo ' /____/ ....is now installed!'
echo ''
echo ''
echo 'Please look over the ~/.zshrc file to select plugins, themes, and options.'
echo ''
echo 'p.s. Follow us at https://twitter.com/ohmyzsh.'
echo ''
echo 'p.p.s. Get stickers and t-shirts at https://shop.planetargon.com.'
echo ''
printf "${NORMAL}"
env zsh -l
}
main