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|
#!/bin/sh
#
# This script should be run via curl:
# sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
# or wget:
# sh -c "$(wget -qO- https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
#
# As an alternative, you can download the install script separately and
# run it afterwards with `sh install.sh'
#
set -e
# Default location
ZSH=${ZSH:-~/.oh-my-zsh}
command_exists() {
command -v "$@" >/dev/null 2>&1
}
error() {
echo "Error: $@" >&2
}
# Set up color sequences
setup_color() {
if command_exists tput; then
ncolors=$(tput colors)
else
ncolors=0
fi
# Only use colors if connected to a terminal that supports them
if [ -t 1 ] && [ $ncolors -ge 8 ]; then
RED="$(tput setaf 1)"
GREEN="$(tput setaf 2)"
YELLOW="$(tput setaf 3)"
BLUE="$(tput setaf 4)"
BOLD="$(tput bold)"
NORMAL="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
fi
}
setup_ohmyzsh() {
# Prevent the cloned repository from having insecure permissions. Failing to do
# so causes compinit() calls to fail with "command not found: compdef" errors
# for users with insecure umasks (e.g., "002", allowing group writability). Note
# that this will be ignored under Cygwin by default, as Windows ACLs take
# precedence over umasks except for filesystems mounted with option "noacl".
umask g-w,o-w
echo "${BLUE}Cloning Oh My Zsh...${NORMAL}"
command_exists git || {
error "git is not installed"
exit 1
}
if [ "$OSTYPE" = cygwin ] && git --version | grep -q msysgit; then
error "Windows/MSYS Git is not supported on Cygwin"
error "Make sure the Cygwin git package is installed and is first on the \$PATH"
exit 1
fi
git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git "$ZSH" || {
error "git clone of oh-my-zsh repo failed"
exit 1
}
}
setup_zshrc() {
echo "${BLUE}Looking for an existing zsh config...${NORMAL}"
if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
echo "${YELLOW}Found ~/.zshrc.${GREEN} Backing up to ~/.zshrc.pre-oh-my-zsh.${NORMAL}"
mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh
fi
echo "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc.${NORMAL}"
cp "$ZSH/templates/zshrc.zsh-template" ~/.zshrc
sed "/^export ZSH=/ c\\
export ZSH=\"$ZSH\"
" ~/.zshrc > ~/.zshrc-omztemp
mv -f ~/.zshrc-omztemp ~/.zshrc
}
setup_shell() {
# If this user's login shell is already "zsh", do not attempt to switch.
if [ "$(basename "$SHELL")" = "zsh" ]; then
return
fi
# If this platform doesn't provide a "chsh" command, bail out.
if ! command_exists chsh; then
cat <<-EOF
I can't change your shell automatically because this system does not have chsh.
${BLUE}Please manually change your default shell to zsh${NORMAL}
EOF
return
fi
echo "${BLUE}Time to change your default shell to zsh!${NORMAL}"
# Test for the right location of the "shells" file
if [ -f /etc/shells ]; then
shells_file=/etc/shells
elif [ -f /usr/share/defaults/etc/shells ]; then # Solus OS
shells_file=/usr/share/defaults/etc/shells
else
error "could not find /etc/shells file. Change your default shell manually."
return
fi
if ! chsh -s $(grep '^/.*/zsh$' "$shells_file" | tail -1); then
error "chsh command unsuccessful. Change your default shell manually."
fi
}
main() {
setup_color
if ! command_exists zsh; then
echo "${YELLOW}Zsh is not installed.${NORMAL} Please install zsh first."
exit 1
fi
if [ -d "$ZSH" ]; then
cat <<-EOF
${YELLOW}You already have Oh My Zsh installed.${NORMAL}
You'll need to remove '$ZSH' if you want to reinstall.
EOF
exit 1
fi
setup_ohmyzsh
setup_zshrc
setup_shell
printf "$GREEN"
cat <<-'EOF'
__ __
____ / /_ ____ ___ __ __ ____ _____/ /_
/ __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \
/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / /
\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/
/____/ ....is now installed!
Please look over the ~/.zshrc file to select plugins, themes, and options.
p.s. Follow us on https://twitter.com/ohmyzsh
p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh
EOF
printf "$NORMAL"
exec zsh -l
}
main
|
