mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-09-19 04:01:21 +02:00
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.
155 lines
4 KiB
Bash
Executable file
155 lines
4 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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