mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-12-22 20:31:57 +00:00
702a594df3
tput is error-prone and may not be needed, since all the formatting codes used are standard across all types of terminals.
269 lines
7.6 KiB
Bash
Executable file
269 lines
7.6 KiB
Bash
Executable file
#!/bin/sh
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#
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# This script should be run via curl:
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# sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
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# or wget:
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# sh -c "$(wget -qO- https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
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#
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# As an alternative, you can first download the install script and run it afterwards:
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# wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh
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# sh install.sh
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#
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# You can tweak the install behavior by setting variables when running the script. For
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# example, to change the path to the Oh My Zsh repository:
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# ZSH=~/.zsh sh install.sh
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#
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# Respects the following environment variables:
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# ZSH - path to the Oh My Zsh repository folder (default: $HOME/.oh-my-zsh)
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# REPO - name of the GitHub repo to install from (default: robbyrussell/oh-my-zsh)
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# REMOTE - full remote URL of the git repo to install (default: GitHub via HTTPS)
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# BRANCH - branch to check out immediately after install (default: master)
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#
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# Other options:
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# CHSH - 'no' means the installer will not change the default shell (default: yes)
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# RUNZSH - 'no' means the installer will not run zsh after the install (default: yes)
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#
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# You can also pass some arguments to the install script to set some these options:
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# --skip-chsh: has the same behavior as setting CHSH to 'no'
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# --unattended: sets both CHSH and RUNZSH to 'no'
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# For example:
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# sh install.sh --unattended
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#
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set -e
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# Default settings
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ZSH=${ZSH:-~/.oh-my-zsh}
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REPO=${REPO:-robbyrussell/oh-my-zsh}
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REMOTE=${REMOTE:-https://github.com/${REPO}.git}
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BRANCH=${BRANCH:-master}
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# Other options
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CHSH=${CHSH:-yes}
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RUNZSH=${RUNZSH:-yes}
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command_exists() {
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command -v "$@" >/dev/null 2>&1
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}
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error() {
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echo ${RED}"Error: $@"${RESET} >&2
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}
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setup_color() {
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# Only use colors if connected to a terminal
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if [ -t 1 ]; then
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RED=$(printf '\033[31m')
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GREEN=$(printf '\033[32m')
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YELLOW=$(printf '\033[33m')
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BLUE=$(printf '\033[34m')
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BOLD=$(printf '\033[1m')
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RESET=$(printf '\033[m')
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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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RESET=""
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fi
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}
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setup_ohmyzsh() {
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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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echo "${BLUE}Cloning Oh My Zsh...${RESET}"
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command_exists git || {
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error "git is not installed"
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exit 1
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}
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if [ "$OSTYPE" = cygwin ] && git --version | grep -q msysgit; then
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error "Windows/MSYS Git is not supported on Cygwin"
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error "Make sure the Cygwin git package is installed and is first on the \$PATH"
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exit 1
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fi
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git clone --depth=1 --branch "$BRANCH" "$REMOTE" "$ZSH" || {
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error "git clone of oh-my-zsh repo failed"
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exit 1
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}
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echo
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}
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setup_zshrc() {
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# Keep most recent old .zshrc at .zshrc.pre-oh-my-zsh, and older ones
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# with datestamp of installation that moved them aside, so we never actually
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# destroy a user's original zshrc
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echo "${BLUE}Looking for an existing zsh config...${RESET}"
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# Must use this exact name so uninstall.sh can find it
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OLD_ZSHRC=~/.zshrc.pre-oh-my-zsh
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if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
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if [ -e "$OLD_ZSHRC" ]; then
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OLD_OLD_ZSHRC="${OLD_ZSHRC}-$(date +%Y-%m-%d_%H-%M-%S)"
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if [ -e "$OLD_OLD_ZSHRC" ]; then
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error "$OLD_OLD_ZSHRC exists. Can't back up ${OLD_ZSHRC}"
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error "re-run the installer again in a couple of seconds"
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exit 1
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fi
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mv "$OLD_ZSHRC" "${OLD_OLD_ZSHRC}"
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echo "${YELLOW}Found old ~/.zshrc.pre-oh-my-zsh." \
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"${GREEN}Backing up to ${OLD_OLD_ZSHRC}${RESET}"
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fi
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echo "${YELLOW}Found ~/.zshrc.${RESET} ${GREEN}Backing up to ${OLD_ZSHRC}${RESET}"
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mv ~/.zshrc "$OLD_ZSHRC"
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fi
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echo "${GREEN}Using the Oh My Zsh template file and adding it to ~/.zshrc.${RESET}"
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cp "$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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echo
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}
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setup_shell() {
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# Skip setup if the user wants or stdin is closed (not running interactively).
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if [ $CHSH = no ]; then
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return
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fi
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# If this user's login shell is already "zsh", do not attempt to switch.
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if [ "$(basename "$SHELL")" = "zsh" ]; then
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return
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fi
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# If this platform doesn't provide a "chsh" command, bail out.
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if ! command_exists chsh; then
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cat <<-EOF
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I can't change your shell automatically because this system does not have chsh.
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${BLUE}Please manually change your default shell to zsh${RESET}
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EOF
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return
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fi
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echo "${BLUE}Time to change your default shell to zsh:${RESET}"
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# Prompt for user choice on changing the default login shell
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printf "${YELLOW}Do you want to change your default shell to zsh? [Y/n]${RESET} "
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read opt
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case $opt in
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y*|Y*|"") echo "Changing the shell..." ;;
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n*|N*) echo "Shell change skipped."; return ;;
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*) echo "Invalid choice. Shell change skipped."; return ;;
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esac
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# Test for the right location of the "shells" file
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if [ -f /etc/shells ]; then
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shells_file=/etc/shells
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elif [ -f /usr/share/defaults/etc/shells ]; then # Solus OS
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shells_file=/usr/share/defaults/etc/shells
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else
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error "could not find /etc/shells file. Change your default shell manually."
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return
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fi
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# Get the path to the right zsh binary
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# 1. Use the most preceding one based on $PATH, then check that it's in the shells file
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# 2. If that fails, get a zsh path from the shells file, then check it actually exists
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if ! zsh=$(which zsh) || ! grep -qx "$zsh" "$shells_file"; then
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if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -1) || [ ! -f "$zsh" ]; then
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error "no zsh binary found or not present in '$shells_file'"
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error "change your default shell manually."
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return
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fi
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fi
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# We're going to change the default shell, so back up the current one
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if [ -n $SHELL ]; then
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echo $SHELL > ~/.shell.pre-oh-my-zsh
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else
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grep "^$USER:" /etc/passwd | awk -F: '{print $7}' > ~/.shell.pre-oh-my-zsh
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fi
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# Actually change the default shell to zsh
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if ! chsh -s "$zsh"; then
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error "chsh command unsuccessful. Change your default shell manually."
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else
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export SHELL="$zsh"
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echo "${GREEN}Shell successfully changed to '$zsh'.${RESET}"
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fi
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echo
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}
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main() {
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# Run as unattended if stdin is closed
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if [ ! -t 0 ]; then
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RUNZSH=no
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CHSH=no
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fi
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# Parse arguments
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while [ $# -gt 0 ]; do
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case $1 in
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--unattended) RUNZSH=no; CHSH=no ;;
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--skip-chsh) CHSH=no ;;
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esac
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shift
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done
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setup_color
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if ! command_exists zsh; then
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echo "${YELLOW}Zsh is not installed.${RESET} Please install zsh first."
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exit 1
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fi
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if [ -d "$ZSH" ]; then
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cat <<-EOF
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${YELLOW}You already have Oh My Zsh installed.${RESET}
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You'll need to remove '$ZSH' if you want to reinstall.
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EOF
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exit 1
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fi
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setup_ohmyzsh
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setup_zshrc
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setup_shell
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printf "$GREEN"
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cat <<-'EOF'
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__ __
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____ / /_ ____ ___ __ __ ____ _____/ /_
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/ __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \
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/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / /
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\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/
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/____/ ....is now installed!
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Please look over the ~/.zshrc file to select plugins, themes, and options.
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p.s. Follow us on https://twitter.com/ohmyzsh
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p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh
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EOF
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printf "$RESET"
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if [ $RUNZSH = no ]; then
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echo "${YELLOW}Run zsh to try it out.${RESET}"
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exit
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fi
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exec zsh -l
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}
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main "$@"
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