mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-11-12 21:39:48 +01:00
517 lines
17 KiB
Bash
Executable file
517 lines
17 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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# Make sure important variables exist if not already defined
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#
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# $USER is defined by login(1) which is not always executed (e.g. containers)
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# POSIX: https://pubs.opengroup.org/onlinepubs/009695299/utilities/id.html
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USER=${USER:-$(id -u -n)}
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# $HOME is defined at the time of login, but it could be unset. If it is unset,
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# a tilde by itself (~) will not be expanded to the current user's home directory.
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# POSIX: https://pubs.opengroup.org/onlinepubs/009696899/basedefs/xbd_chap08.html#tag_08_03
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HOME="${HOME:-$(getent passwd $USER 2>/dev/null | cut -d: -f6)}"
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# macOS does not have getent, but this works even if $HOME is unset
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HOME="${HOME:-$(eval echo ~$USER)}"
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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="${ZSH:-$HOME/.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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user_can_sudo() {
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# Check if sudo is installed
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command_exists sudo || return 1
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# The following command has 3 parts:
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#
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# 1. Run `sudo` with `-v`. Does the following:
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# • with privilege: asks for a password immediately.
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# • without privilege: exits with error code 1 and prints the message:
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# Sorry, user <username> may not run sudo on <hostname>
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#
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# 2. Pass `-n` to `sudo` to tell it to not ask for a password. If the
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# password is not required, the command will finish with exit code 0.
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# If one is required, sudo will exit with error code 1 and print the
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# message:
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# sudo: a password is required
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#
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# 3. Check for the words "may not run sudo" in the output to really tell
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# whether the user has privileges or not. For that we have to make sure
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# to run `sudo` in the default locale (with `LANG=`) so that the message
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# stays consistent regardless of the user's locale.
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#
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! LANG= sudo -n -v 2>&1 | grep -q "may not run sudo"
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}
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# The [ -t 1 ] check only works when the function is not called from
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# a subshell (like in `$(...)` or `(...)`, so this hack redefines the
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# function at the top level to always return false when stdout is not
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# a tty.
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if [ -t 1 ]; then
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is_tty() {
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true
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}
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else
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is_tty() {
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false
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}
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fi
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# This function uses the logic from supports-hyperlinks[1][2], which is
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# made by Kat Marchán (@zkat) and licensed under the Apache License 2.0.
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# [1] https://github.com/zkat/supports-hyperlinks
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# [2] https://crates.io/crates/supports-hyperlinks
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#
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# Copyright (c) 2021 Kat Marchán
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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supports_hyperlinks() {
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# $FORCE_HYPERLINK must be set and be non-zero (this acts as a logic bypass)
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if [ -n "$FORCE_HYPERLINK" ]; then
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[ "$FORCE_HYPERLINK" != 0 ]
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return $?
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fi
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# If stdout is not a tty, it doesn't support hyperlinks
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is_tty || return 1
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# DomTerm terminal emulator (domterm.org)
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if [ -n "$DOMTERM" ]; then
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return 0
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fi
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# VTE-based terminals above v0.50 (Gnome Terminal, Guake, ROXTerm, etc)
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if [ -n "$VTE_VERSION" ]; then
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[ $VTE_VERSION -ge 5000 ]
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return $?
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fi
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# If $TERM_PROGRAM is set, these terminals support hyperlinks
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case "$TERM_PROGRAM" in
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Hyper|iTerm.app|terminology|WezTerm) return 0 ;;
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esac
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# kitty supports hyperlinks
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if [ "$TERM" = xterm-kitty ]; then
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return 0
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fi
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# Windows Terminal or Konsole also support hyperlinks
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if [ -n "$WT_SESSION" ] || [ -n "$KONSOLE_VERSION" ]; then
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return 0
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fi
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return 1
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}
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# Adapted from code and information by Anton Kochkov (@XVilka)
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# Source: https://gist.github.com/XVilka/8346728
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supports_truecolor() {
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case "$COLORTERM" in
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truecolor|24bit) return 0 ;;
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esac
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case "$TERM" in
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iterm |\
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tmux-truecolor |\
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linux-truecolor |\
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xterm-truecolor |\
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screen-truecolor) return 0 ;;
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esac
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return 1
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}
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fmt_link() {
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# $1: text, $2: url, $3: fallback mode
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if supports_hyperlinks; then
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printf '\033]8;;%s\a%s\033]8;;\a\n' "$2" "$1"
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return
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fi
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case "$3" in
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--text) printf '%s\n' "$1" ;;
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--url|*) fmt_underline "$2" ;;
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esac
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}
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fmt_underline() {
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is_tty && printf '\033[4m%s\033[24m\n' "$*" || printf '%s\n' "$*"
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}
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# shellcheck disable=SC2016 # backtick in single-quote
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fmt_code() {
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is_tty && printf '`\033[2m%s\033[22m`\n' "$*" || printf '`%s`\n' "$*"
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}
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fmt_error() {
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printf '%sError: %s%s\n' "${FMT_BOLD}${FMT_RED}" "$*" "$FMT_RESET" >&2
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}
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setup_color() {
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# Only use colors if connected to a terminal
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if ! is_tty; then
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FMT_RAINBOW=""
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FMT_RED=""
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FMT_GREEN=""
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FMT_YELLOW=""
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FMT_BLUE=""
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FMT_BOLD=""
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FMT_RESET=""
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return
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fi
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if supports_truecolor; then
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FMT_RAINBOW="
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$(printf '\033[38;2;255;0;0m')
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$(printf '\033[38;2;255;97;0m')
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$(printf '\033[38;2;247;255;0m')
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$(printf '\033[38;2;0;255;30m')
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$(printf '\033[38;2;77;0;255m')
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$(printf '\033[38;2;168;0;255m')
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$(printf '\033[38;2;245;0;172m')
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"
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else
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FMT_RAINBOW="
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$(printf '\033[38;5;196m')
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$(printf '\033[38;5;202m')
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$(printf '\033[38;5;226m')
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$(printf '\033[38;5;082m')
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$(printf '\033[38;5;021m')
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$(printf '\033[38;5;093m')
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$(printf '\033[38;5;163m')
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"
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fi
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FMT_RED=$(printf '\033[31m')
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FMT_GREEN=$(printf '\033[32m')
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FMT_YELLOW=$(printf '\033[33m')
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FMT_BLUE=$(printf '\033[34m')
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FMT_BOLD=$(printf '\033[1m')
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FMT_RESET=$(printf '\033[0m')
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}
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setup_ohmyzsh() {
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# Prevent the cloned repository from having insecure permissions. Failing to do
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# so causes compinit() calls to fail with "command not found: compdef" errors
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# for users with insecure umasks (e.g., "002", allowing group writability). Note
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# that this will be ignored under Cygwin by default, as Windows ACLs take
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# precedence over umasks except for filesystems mounted with option "noacl".
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umask g-w,o-w
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echo "${FMT_BLUE}Cloning Oh My Zsh...${FMT_RESET}"
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command_exists git || {
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fmt_error "git is not installed"
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exit 1
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}
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ostype=$(uname)
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if [ -z "${ostype%CYGWIN*}" ] && git --version | grep -q msysgit; then
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fmt_error "Windows/MSYS Git is not supported on Cygwin"
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fmt_error "Make sure the Cygwin git package is installed and is first on the \$PATH"
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exit 1
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fi
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# Manual clone with git config options to support git < v1.7.2
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git init --quiet "$ZSH" && cd "$ZSH" \
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&& git config core.eol lf \
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&& git config core.autocrlf false \
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&& git config fsck.zeroPaddedFilemode ignore \
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&& git config fetch.fsck.zeroPaddedFilemode ignore \
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&& git config receive.fsck.zeroPaddedFilemode ignore \
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&& git config oh-my-zsh.remote origin \
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&& git config oh-my-zsh.branch "$BRANCH" \
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&& git remote add origin "$REMOTE" \
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&& git fetch --depth=1 origin \
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&& git checkout -b "$BRANCH" "origin/$BRANCH" || {
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[ ! -d "$ZSH" ] || {
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cd -
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rm -rf "$ZSH" 2>/dev/null
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}
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fmt_error "git clone of oh-my-zsh repo failed"
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exit 1
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}
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# Exit installation directory
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cd -
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echo
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}
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setup_zshrc() {
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# Keep most recent old .zshrc at .zshrc.pre-oh-my-zsh, and older ones
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# with datestamp of installation that moved them aside, so we never actually
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# destroy a user's original zshrc
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echo "${FMT_BLUE}Looking for an existing zsh config...${FMT_RESET}"
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# Must use this exact name so uninstall.sh can find it
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OLD_ZSHRC=~/.zshrc.pre-oh-my-zsh
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if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
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# Skip this if the user doesn't want to replace an existing .zshrc
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if [ "$KEEP_ZSHRC" = yes ]; then
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echo "${FMT_YELLOW}Found ~/.zshrc.${FMT_RESET} ${FMT_GREEN}Keeping...${FMT_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" "${OLD_OLD_ZSHRC}"
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echo "${FMT_YELLOW}Found old ~/.zshrc.pre-oh-my-zsh." \
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"${FMT_GREEN}Backing up to ${OLD_OLD_ZSHRC}${FMT_RESET}"
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fi
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echo "${FMT_YELLOW}Found ~/.zshrc.${FMT_RESET} ${FMT_GREEN}Backing up to ${OLD_ZSHRC}${FMT_RESET}"
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mv ~/.zshrc "$OLD_ZSHRC"
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fi
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echo "${FMT_GREEN}Using the Oh My Zsh template file and adding it to ~/.zshrc.${FMT_RESET}"
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# Replace $HOME path with '$HOME' in $ZSH variable in .zshrc file
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omz=$(echo "$ZSH" | sed "s|^$HOME/|\$HOME/|")
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sed "s|^export ZSH=.*$|export ZSH=\"${omz}\"|" "$ZSH/templates/zshrc.zsh-template" > ~/.zshrc-omztemp
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mv -f ~/.zshrc-omztemp ~/.zshrc
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echo
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}
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setup_shell() {
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# Skip setup if the user wants or stdin is closed (not running interactively).
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if [ "$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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${FMT_BLUE}Please manually change your default shell to zsh${FMT_RESET}
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EOF
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return
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fi
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echo "${FMT_BLUE}Time to change your default shell to zsh:${FMT_RESET}"
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# Prompt for user choice on changing the default login shell
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printf '%sDo you want to change your default shell to zsh? [Y/n]%s ' \
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"$FMT_YELLOW" "$FMT_RESET"
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read -r opt
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case $opt in
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y*|Y*|"") ;;
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n*|N*) echo "Shell change skipped."; return ;;
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*) echo "Invalid choice. Shell change skipped."; return ;;
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esac
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# Check if we're running on Termux
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case "$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 $PATH, then check that it's in the shells file
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# 2. If that fails, get a zsh path from the shells file, then check it actually exists
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if ! zsh=$(command -v zsh) || ! grep -qx "$zsh" "$shells_file"; then
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if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -n 1) || [ ! -f "$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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echo "Changing your shell to $zsh..."
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# Check if user has sudo privileges to run `chsh` with or without `sudo`
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#
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# This allows the call to succeed without password on systems where the
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# user does not have a password but does have sudo privileges, like in
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# Google Cloud Shell.
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#
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# On systems that don't have a user with passwordless sudo, the user will
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# be prompted for the password either way, so this shouldn't cause any issues.
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#
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if user_can_sudo; then
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sudo -k chsh -s "$zsh" "$USER" # -k forces the password prompt
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else
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chsh -s "$zsh" "$USER" # run chsh normally
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fi
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# Check if the shell change was successful
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if [ $? -ne 0 ]; then
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fmt_error "chsh command unsuccessful. Change your default shell manually."
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else
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export SHELL="$zsh"
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echo "${FMT_GREEN}Shell successfully changed to '$zsh'.${FMT_RESET}"
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fi
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echo
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}
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# shellcheck disable=SC2183 # printf string has more %s than arguments ($FMT_RAINBOW expands to multiple arguments)
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print_success() {
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printf '%s %s__ %s %s %s %s %s__ %s\n' $FMT_RAINBOW $FMT_RESET
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printf '%s ____ %s/ /_ %s ____ ___ %s__ __ %s ____ %s_____%s/ /_ %s\n' $FMT_RAINBOW $FMT_RESET
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printf '%s / __ \\%s/ __ \\ %s / __ `__ \\%s/ / / / %s /_ / %s/ ___/%s __ \\ %s\n' $FMT_RAINBOW $FMT_RESET
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printf '%s/ /_/ /%s / / / %s / / / / / /%s /_/ / %s / /_%s(__ )%s / / / %s\n' $FMT_RAINBOW $FMT_RESET
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printf '%s\\____/%s_/ /_/ %s /_/ /_/ /_/%s\\__, / %s /___/%s____/%s_/ /_/ %s\n' $FMT_RAINBOW $FMT_RESET
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printf '%s %s %s %s /____/ %s %s %s %s....is now installed!%s\n' $FMT_RAINBOW $FMT_GREEN $FMT_RESET
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printf '\n'
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printf '\n'
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printf "%s %s %s\n" "Before you scream ${FMT_BOLD}${FMT_YELLOW}Oh My Zsh!${FMT_RESET} look over the" \
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|
"$(fmt_code "$(fmt_link ".zshrc" "file://$HOME/.zshrc" --text)")" \
|
|
"file to select plugins, themes, and options."
|
|
printf '\n'
|
|
printf '%s\n' "• Follow us on Twitter: $(fmt_link @ohmyzsh https://twitter.com/ohmyzsh)"
|
|
printf '%s\n' "• Join our Discord community: $(fmt_link "Discord server" https://discord.gg/ohmyzsh)"
|
|
printf '%s\n' "• Get stickers, t-shirts, coffee mugs and more: $(fmt_link "Planet Argon Shop" https://shop.planetargon.com/collections/oh-my-zsh)"
|
|
printf '%s\n' $FMT_RESET
|
|
}
|
|
|
|
main() {
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|
# Run as unattended if stdin is not a tty
|
|
if [ ! -t 0 ]; then
|
|
RUNZSH=no
|
|
CHSH=no
|
|
fi
|
|
|
|
# Parse arguments
|
|
while [ $# -gt 0 ]; do
|
|
case $1 in
|
|
--unattended) RUNZSH=no; CHSH=no ;;
|
|
--skip-chsh) CHSH=no ;;
|
|
--keep-zshrc) KEEP_ZSHRC=yes ;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
setup_color
|
|
|
|
if ! command_exists zsh; then
|
|
echo "${FMT_YELLOW}Zsh is not installed.${FMT_RESET} Please install zsh first."
|
|
exit 1
|
|
fi
|
|
|
|
if [ -d "$ZSH" ]; then
|
|
echo "${FMT_YELLOW}The \$ZSH folder already exists ($ZSH).${FMT_RESET}"
|
|
if [ "$custom_zsh" = yes ]; then
|
|
cat <<EOF
|
|
|
|
You ran the installer with the \$ZSH setting or the \$ZSH variable is
|
|
exported. You have 3 options:
|
|
|
|
1. Unset the ZSH variable when calling the installer:
|
|
$(fmt_code "ZSH= sh install.sh")
|
|
2. Install Oh My Zsh to a directory that doesn't exist yet:
|
|
$(fmt_code "ZSH=path/to/new/ohmyzsh/folder sh install.sh")
|
|
3. (Caution) If the folder doesn't contain important information,
|
|
you can just remove it with $(fmt_code "rm -r $ZSH")
|
|
|
|
EOF
|
|
else
|
|
echo "You'll need to remove it if you want to reinstall."
|
|
fi
|
|
exit 1
|
|
fi
|
|
|
|
setup_ohmyzsh
|
|
setup_zshrc
|
|
setup_shell
|
|
|
|
print_success
|
|
|
|
if [ $RUNZSH = no ]; then
|
|
echo "${FMT_YELLOW}Run zsh to try it out.${FMT_RESET}"
|
|
exit
|
|
fi
|
|
|
|
exec zsh -l
|
|
}
|
|
|
|
main "$@"
|