diff options
Diffstat (limited to 'tools/install.sh')
| -rwxr-xr-x | tools/install.sh | 389 |
1 files changed, 278 insertions, 111 deletions
diff --git a/tools/install.sh b/tools/install.sh index e2b33f640..ae248be89 100755 --- a/tools/install.sh +++ b/tools/install.sh @@ -1,114 +1,281 @@ +#!/bin/sh +# +# This script should be run via curl: +# sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" +# or wget: +# sh -c "$(wget -qO- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" +# +# As an alternative, you can first download the install script and run it afterwards: +# wget https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh +# sh install.sh +# +# You can tweak the install behavior by setting variables when running the script. For +# example, to change the path to the Oh My Zsh repository: +# ZSH=~/.zsh sh install.sh +# +# Respects the following environment variables: +# ZSH - path to the Oh My Zsh repository folder (default: $HOME/.oh-my-zsh) +# REPO - name of the GitHub repo to install from (default: ohmyzsh/ohmyzsh) +# REMOTE - full remote URL of the git repo to install (default: GitHub via HTTPS) +# BRANCH - branch to check out immediately after install (default: master) +# +# Other options: +# CHSH - 'no' means the installer will not change the default shell (default: yes) +# RUNZSH - 'no' means the installer will not run zsh after the install (default: yes) +# +# You can also pass some arguments to the install script to set some these options: +# --skip-chsh: has the same behavior as setting CHSH to 'no' +# --unattended: sets both CHSH and RUNZSH to 'no' +# For example: +# sh install.sh --unattended +# +set -e + +# Default settings +ZSH=${ZSH:-~/.oh-my-zsh} +REPO=${REPO:-ohmyzsh/ohmyzsh} +REMOTE=${REMOTE:-https://github.com/${REPO}.git} +BRANCH=${BRANCH:-master} + +# Other options +CHSH=${CHSH:-yes} +RUNZSH=${RUNZSH:-yes} + + +command_exists() { + command -v "$@" >/dev/null 2>&1 +} + +error() { + echo ${RED}"Error: $@"${RESET} >&2 +} + +setup_color() { + # Only use colors if connected to a terminal + if [ -t 1 ]; then + RED=$(printf '\033[31m') + GREEN=$(printf '\033[32m') + YELLOW=$(printf '\033[33m') + BLUE=$(printf '\033[34m') + BOLD=$(printf '\033[1m') + RESET=$(printf '\033[m') + else + RED="" + GREEN="" + YELLOW="" + BLUE="" + BOLD="" + RESET="" + 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 "${BLUE}Cloning Oh My Zsh...${RESET}" + + command_exists git || { + error "git is not installed" + exit 1 + } + + if [ "$OSTYPE" = cygwin ] && git --version | grep -q msysgit; then + error "Windows/MSYS Git is not supported on Cygwin" + error "Make sure the Cygwin git package is installed and is first on the \$PATH" + exit 1 + fi + + git clone -c core.eol=lf -c core.autocrlf=false \ + -c fsck.zeroPaddedFilemode=ignore \ + -c fetch.fsck.zeroPaddedFilemode=ignore \ + -c receive.fsck.zeroPaddedFilemode=ignore \ + --depth=1 --branch "$BRANCH" "$REMOTE" "$ZSH" || { + error "git clone of oh-my-zsh repo failed" + exit 1 + } + + echo +} + +setup_zshrc() { + # Keep most recent old .zshrc at .zshrc.pre-oh-my-zsh, and older ones + # with datestamp of installation that moved them aside, so we never actually + # destroy a user's original zshrc + echo "${BLUE}Looking for an existing zsh config...${RESET}" + + # Must use this exact name so uninstall.sh can find it + OLD_ZSHRC=~/.zshrc.pre-oh-my-zsh + if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then + if [ -e "$OLD_ZSHRC" ]; then + OLD_OLD_ZSHRC="${OLD_ZSHRC}-$(date +%Y-%m-%d_%H-%M-%S)" + if [ -e "$OLD_OLD_ZSHRC" ]; then + error "$OLD_OLD_ZSHRC exists. Can't back up ${OLD_ZSHRC}" + error "re-run the installer again in a couple of seconds" + exit 1 + fi + mv "$OLD_ZSHRC" "${OLD_OLD_ZSHRC}" + + echo "${YELLOW}Found old ~/.zshrc.pre-oh-my-zsh." \ + "${GREEN}Backing up to ${OLD_OLD_ZSHRC}${RESET}" + fi + echo "${YELLOW}Found ~/.zshrc.${RESET} ${GREEN}Backing up to ${OLD_ZSHRC}${RESET}" + mv ~/.zshrc "$OLD_ZSHRC" + fi + + echo "${GREEN}Using the Oh My Zsh template file and adding it to ~/.zshrc.${RESET}" + + cp "$ZSH/templates/zshrc.zsh-template" ~/.zshrc + sed "/^export ZSH=/ c\\ +export ZSH=\"$ZSH\" +" ~/.zshrc > ~/.zshrc-omztemp + mv -f ~/.zshrc-omztemp ~/.zshrc + + echo +} + +setup_shell() { + # Skip setup if the user wants or stdin is closed (not running interactively). + if [ $CHSH = no ]; then + return + fi + + # If this user's login shell is already "zsh", do not attempt to switch. + if [ "$(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. + ${BLUE}Please manually change your default shell to zsh${RESET} + EOF + return + fi + + echo "${BLUE}Time to change your default shell to zsh:${RESET}" + + # Prompt for user choice on changing the default login shell + printf "${YELLOW}Do you want to change your default shell to zsh? [Y/n]${RESET} " + read opt + case $opt in + y*|Y*|"") echo "Changing the shell..." ;; + n*|N*) echo "Shell change skipped."; return ;; + *) echo "Invalid choice. Shell change skipped."; return ;; + esac + + # Check if we're running on Termux + case "$PREFIX" in + *com.termux*) termux=true; zsh=zsh ;; + *) termux=false ;; + esac + + if [ "$termux" != true ]; then + # 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 + + # Get the path to the right zsh binary + # 1. Use the most preceding one based on $PATH, then check that it's in the shells file + # 2. If that fails, get a zsh path from the shells file, then check it actually exists + if ! zsh=$(which zsh) || ! grep -qx "$zsh" "$shells_file"; then + if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -1) || [ ! -f "$zsh" ]; then + error "no zsh binary found or not present in '$shells_file'" + error "change your default shell manually." + return + fi + fi + fi + + # We're going to change the default shell, so back up the current one + if [ -n "$SHELL" ]; then + echo $SHELL > ~/.shell.pre-oh-my-zsh + else + grep "^$USER:" /etc/passwd | awk -F: '{print $7}' > ~/.shell.pre-oh-my-zsh + fi + + # Actually change the default shell to zsh + if ! chsh -s "$zsh"; then + error "chsh command unsuccessful. Change your default shell manually." + else + export SHELL="$zsh" + echo "${GREEN}Shell successfully changed to '$zsh'.${RESET}" + fi + + echo +} + 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=$(basename "$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 "${GREEN}" - echo ' __ __ ' - echo ' ____ / /_ ____ ___ __ __ ____ _____/ /_ ' - echo ' / __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \ ' - echo '/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / / ' - echo '\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/ ' - echo ' /____/ ....is now installed!' - echo '' - echo '' - echo 'Please look over the ~/.zshrc file to select plugins, themes, and options.' - echo '' - echo 'p.s. Follow us at https://twitter.com/ohmyzsh.' - echo '' - echo 'p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh.' - echo '' - printf "${NORMAL}" - env zsh -l + # Run as unattended if stdin is closed + if [ ! -t 0 ]; then + RUNZSH=no + CHSH=no + fi + + # Parse arguments + while [ $# -gt 0 ]; do + case $1 in + --unattended) RUNZSH=no; CHSH=no ;; + --skip-chsh) CHSH=no ;; + esac + shift + done + + setup_color + + if ! command_exists zsh; then + echo "${YELLOW}Zsh is not installed.${RESET} Please install zsh first." + exit 1 + fi + + if [ -d "$ZSH" ]; then + cat <<-EOF + ${YELLOW}You already have Oh My Zsh installed.${RESET} + 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 "$RESET" + + if [ $RUNZSH = no ]; then + echo "${YELLOW}Run zsh to try it out.${RESET}" + exit + fi + + exec zsh -l } -main +main "$@" |