forked from extern/ohmyzsh
321 lines
9.6 KiB
Bash
Executable File
321 lines
9.6 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 "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
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# or via wget:
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# sh -c "$(wget -qO- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
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# or via fetch:
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# sh -c "$(fetch -o - https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/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/ohmyzsh/ohmyzsh/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: $HOME/.oh-my-zsh)
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# REPO - name of the GitHub repo to install from (default: ohmyzsh/ohmyzsh)
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# REMOTE - full remote URL of the git repo to install (default: GitHub via HTTPS)
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# BRANCH - branch to check out immediately after install (default: master)
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#
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# Other options:
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# CHSH - 'no' means the installer will not change the default shell (default: yes)
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# RUNZSH - 'no' means the installer will not run zsh after the install (default: yes)
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# KEEP_ZSHRC - 'yes' means the installer will not replace an existing .zshrc (default: no)
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#
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# You can also pass some arguments to the install script to set some these options:
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# --skip-chsh: has the same behavior as setting CHSH to 'no'
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# --unattended: sets both CHSH and RUNZSH to 'no'
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# --keep-zshrc: sets KEEP_ZSHRC to 'yes'
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# For example:
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# sh install.sh --unattended
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# or:
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# sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
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#
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set -e
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# Track if $ZSH was provided
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custom_zsh=${ZSH:+yes}
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# Default settings
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ZSH=${ZSH:-~/.oh-my-zsh}
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REPO=${REPO:-ohmyzsh/ohmyzsh}
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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=${RUNZSH:-yes}
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KEEP_ZSHRC=${KEEP_ZSHRC:-no}
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command_exists() {
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command -v "$@" >/dev/null 2>&1
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}
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fmt_error() {
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echo ${RED}"Error: $@"${RESET} >&2
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}
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fmt_underline() {
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echo "$(printf '\033[4m')$@$(printf '\033[24m')"
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}
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fmt_code() {
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echo "\`$(printf '\033[38;5;247m')$@${RESET}\`"
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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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fmt_error "git is not installed"
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exit 1
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}
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if [ "$OSTYPE" = cygwin ] && git --version | grep -q msysgit; then
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fmt_error "Windows/MSYS Git is not supported on Cygwin"
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fmt_error "Make sure the Cygwin git package is installed and is first on the \$PATH"
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exit 1
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fi
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git clone -c core.eol=lf -c core.autocrlf=false \
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-c fsck.zeroPaddedFilemode=ignore \
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-c fetch.fsck.zeroPaddedFilemode=ignore \
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-c receive.fsck.zeroPaddedFilemode=ignore \
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--depth=1 --branch "$BRANCH" "$REMOTE" "$ZSH" || {
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fmt_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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# Skip this if the user doesn't want to replace an existing .zshrc
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if [ $KEEP_ZSHRC = yes ]; then
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echo "${YELLOW}Found ~/.zshrc.${RESET} ${GREEN}Keeping...${RESET}"
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return
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fi
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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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fmt_error "$OLD_OLD_ZSHRC exists. Can't back up ${OLD_ZSHRC}"
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fmt_error "re-run the installer again in a couple of seconds"
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exit 1
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fi
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mv "$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.${RESET}"
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sed "/^export ZSH=/ c\\
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export ZSH=\"$ZSH\"
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" "$ZSH/templates/zshrc.zsh-template" > ~/.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 $opt in
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y*|Y*|"") echo "Changing the shell..." ;;
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n*|N*) echo "Shell change skipped."; return ;;
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*) echo "Invalid choice. Shell change skipped."; return ;;
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esac
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# Check if we're running on Termux
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case "$PREFIX" in
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*com.termux*) termux=true; zsh=zsh ;;
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*) termux=false ;;
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esac
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if [ "$termux" != true ]; then
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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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fmt_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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fmt_error "no zsh binary found or not present in '$shells_file'"
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fmt_error "change your default shell manually."
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return
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fi
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fi
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fi
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# We're going to change the default shell, so back up the current one
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if [ -n "$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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fmt_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 not a tty
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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 $1 in
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--unattended) RUNZSH=no; CHSH=no ;;
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--skip-chsh) CHSH=no ;;
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--keep-zshrc) KEEP_ZSHRC=yes ;;
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esac
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shift
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done
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setup_color
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if ! command_exists zsh; then
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echo "${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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echo "${YELLOW}The \$ZSH folder already exists ($ZSH).${RESET}"
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if [ "$custom_zsh" = yes ]; then
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cat <<EOF
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You ran the installer with the \$ZSH setting or the \$ZSH variable is
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exported. You have 3 options:
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1. Unset the ZSH variable when calling the installer:
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$(fmt_code "ZSH= sh install.sh")
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2. Install Oh My Zsh to a directory that doesn't exist yet:
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$(fmt_code "ZSH=path/to/new/ohmyzsh/folder sh install.sh")
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3. (Caution) If the folder doesn't contain important information,
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you can just remove it with $(fmt_code "rm -r $ZSH")
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EOF
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else
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echo "You'll need to remove it if you want to reinstall."
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fi
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exit 1
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fi
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setup_ohmyzsh
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setup_zshrc
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setup_shell
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printf "$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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EOF
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cat <<EOF
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Before you scream Oh My Zsh! please look over the ~/.zshrc file to select plugins, themes, and options.
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• Follow us on Twitter: $(fmt_underline https://twitter.com/ohmyzsh)
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• Join our Discord server: $(fmt_underline https://discord.gg/ohmyzsh)
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• Get stickers, shirts, coffee mugs and other swag: $(fmt_underline https://shop.planetargon.com/collections/oh-my-zsh)
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EOF
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printf "$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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