mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2025-06-03 22:04:31 +08:00
73f29087f9
This replaces the currently running process with the new one using `exec` instead of creating a new process. This way, when the user `exit`s out of the new shell it will not pop them back into the shell from which ohmyzsh was installed from.
156 lines
4.0 KiB
Bash
Executable File
156 lines
4.0 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 download the install script separately and
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# run it afterwards with `sh install.sh'
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#
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set -e
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# Default location
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ZSH=${ZSH:-~/.oh-my-zsh}
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command_exists() {
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command -v "$@" >/dev/null 2>&1
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}
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error() {
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echo "Error: $@" >&2
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}
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# Set up color sequences
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setup_color() {
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if command_exists tput; then
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ncolors=$(tput colors)
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else
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ncolors=0
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fi
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# Only use colors if connected to a terminal that supports them
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if [ -t 1 ] && [ $ncolors -ge 8 ]; then
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RED="$(tput setaf 1)"
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GREEN="$(tput setaf 2)"
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YELLOW="$(tput setaf 3)"
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BLUE="$(tput setaf 4)"
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BOLD="$(tput bold)"
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NORMAL="$(tput sgr0)"
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else
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RED=""
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GREEN=""
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YELLOW=""
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BLUE=""
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BOLD=""
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NORMAL=""
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fi
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}
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setup_ohmyzsh() {
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# Prevent the cloned repository from having insecure permissions. Failing to do
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# so causes compinit() calls to fail with "command not found: compdef" errors
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# for users with insecure umasks (e.g., "002", allowing group writability). Note
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# that this will be ignored under Cygwin by default, as Windows ACLs take
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# precedence over umasks except for filesystems mounted with option "noacl".
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umask g-w,o-w
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echo "${BLUE}Cloning Oh My Zsh...${NORMAL}"
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command_exists git || {
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error "git is not installed"
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exit 1
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}
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if [ "$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 https://github.com/robbyrussell/oh-my-zsh.git "$ZSH" || {
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error "git clone of oh-my-zsh repo failed"
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exit 1
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}
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}
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setup_zshrc() {
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echo "${BLUE}Looking for an existing zsh config...${NORMAL}"
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if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
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echo "${YELLOW}Found ~/.zshrc.${GREEN} Backing up to ~/.zshrc.pre-oh-my-zsh.${NORMAL}"
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mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh
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fi
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echo "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc.${NORMAL}"
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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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}
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setup_shell() {
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# If this user's login shell is not already "zsh", attempt to switch.
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TEST_CURRENT_SHELL=$(basename "$SHELL")
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if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
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# If this platform provides a "chsh" command (not Cygwin), do it, man!
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if command_exists chsh; then
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echo "${BLUE}Time to change your default shell to zsh!${NORMAL}"
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if ! chsh -s $(grep /zsh$ /etc/shells | tail -1); then
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error "chsh command unsuccessful. Change your default shell manually."
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fi
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# Else, suggest the user do so manually.
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else
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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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${BLUE}Please manually change your default shell to zsh${NORMAL}
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EOF
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fi
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fi
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}
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main() {
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setup_color
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if ! command_exists zsh; then
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echo "${YELLOW}Zsh is not installed.${NORMAL} 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.${NORMAL}
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You'll need to remove '$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 "$GREEN"
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cat <<-'EOF'
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__ __
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____ / /_ ____ ___ __ __ ____ _____/ /_
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/ __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \
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/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / /
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\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/
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/____/ ....is now installed!
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Please look over the ~/.zshrc file to select plugins, themes, and options.
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p.s. Follow us on https://twitter.com/ohmyzsh
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p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh
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EOF
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printf "$NORMAL"
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exec zsh -l
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}
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main
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