mirror of
https://github.com/ohmybash/oh-my-bash.git
synced 2024-05-11 05:55:37 +00:00
107 lines
3.8 KiB
Bash
Executable File
107 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Checks the minium version of bash (v3.2) installed,
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# stops the installation if check fails
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if [ -z "${BASH_VERSION-}" ]; then
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printf "Error: Bash 3.2 required for Oh My Bash.\n"
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printf "Error: Install Bash and try running this script with Bash.\n"
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exit 1
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fi
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if [[ ! ${BASH_VERSINFO[0]-} ]] || ((BASH_VERSINFO[0] < 3 || BASH_VERSINFO[0] == 3 && BASH_VERSINFO[1] < 2)); then
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printf "Error: Bash 3.2 required for Oh My Bash.\n"
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printf "Error: Upgrade Bash and try again.\n"
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exit 1
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fi
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main() {
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# Use colors, but only if connected to a terminal, and that terminal
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# supports them.
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if hash tput >/dev/null 2>&1; then
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ncolors=$(tput colors 2>/dev/null || tput Co 2>/dev/null || echo -1)
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fi
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if [[ -t 1 && -n $ncolors && $ncolors -ge 8 ]]; then
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RED=$(tput setaf 1 2>/dev/null || tput AF 1 2>/dev/null)
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GREEN=$(tput setaf 2 2>/dev/null || tput AF 2 2>/dev/null)
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YELLOW=$(tput setaf 3 2>/dev/null || tput AF 3 2>/dev/null)
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BLUE=$(tput setaf 4 2>/dev/null || tput AF 4 2>/dev/null)
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BOLD=$(tput bold 2>/dev/null || tput md 2>/dev/null)
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NORMAL=$(tput sgr0 2>/dev/null || tput me 2>/dev/null)
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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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# Only enable exit-on-error after the non-critical colorization stuff,
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# which may fail on systems lacking tput or terminfo
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set -e
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if [[ ! $OSH ]]; then
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OSH=~/.oh-my-bash
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fi
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if [[ -d $OSH ]]; then
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printf "${YELLOW}You already have Oh My Bash installed.${NORMAL}\n"
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printf "You'll need to remove $OSH if you want to re-install.\n"
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exit
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fi
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# Prevent the cloned repository from having insecure permissions. Failing to do
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# so causes compinit() calls to fail with "command not found: compdef" errors
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# for users with insecure umasks (e.g., "002", allowing group writability). Note
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# that this will be ignored under Cygwin by default, as Windows ACLs take
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# precedence over umasks except for filesystems mounted with option "noacl".
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umask g-w,o-w
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printf "${BLUE}Cloning Oh My Bash...${NORMAL}\n"
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hash git >/dev/null 2>&1 || {
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echo "Error: git is not installed"
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exit 1
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}
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# The Windows (MSYS) Git is not compatible with normal use on cygwin
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if [[ $OSTYPE = cygwin ]]; then
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if git --version | grep msysgit > /dev/null; then
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echo "Error: Windows/MSYS Git is not supported on Cygwin"
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echo "Error: Make sure the Cygwin git package is installed and is first on the path"
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exit 1
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fi
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fi
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env git clone --depth=1 https://github.com/ohmybash/oh-my-bash.git "$OSH" || {
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printf "Error: git clone of oh-my-bash repo failed\n"
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exit 1
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}
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printf "${BLUE}Looking for an existing bash config...${NORMAL}\n"
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if [[ -f ~/.bashrc || -h ~/.bashrc ]]; then
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printf "${YELLOW}Found ~/.bashrc.${NORMAL} ${GREEN}Backing up to ~/.bashrc.pre-oh-my-bash${NORMAL}\n";
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mv ~/.bashrc ~/.bashrc.pre-oh-my-bash;
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fi
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printf "${BLUE}Using the Oh My Bash template file and adding it to ~/.bashrc${NORMAL}\n"
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cp "$OSH"/templates/bashrc.osh-template ~/.bashrc
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sed "/^export OSH=/ c\\
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export OSH=$OSH
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" ~/.bashrc > ~/.bashrc-ombtemp
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mv -f ~/.bashrc-ombtemp ~/.bashrc
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# MOTD message :)
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printf '%s' "$GREEN"
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printf '%s\n' \
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' __ __ __ ' \
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' ____ / /_ ____ ___ __ __ / /_ ____ ______/ /_ ' \
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' / __ \/ __ \ / __ `__ \/ / / / / __ \/ __ `/ ___/ __ \' \
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'/ /_/ / / / / / / / / / / /_/ / / /_/ / /_/ (__ ) / / /' \
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'\____/_/ /_/ /_/ /_/ /_/\__, / /_.___/\__,_/____/_/ /_/ ' \
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' /____/ .... is now installed!' \
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"Please look over the ~/.bashrc file to select plugins, themes, and options"
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printf "${BLUE}${BOLD}%s${NORMAL}\n" "To keep up on the latest news and updates, follow us on GitHub: https://github.com/ohmybash/oh-my-bash"
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exec bash; source ~/.bashrc
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}
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main
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