Emcee

#!/bin/sh # # This script should be run via curl: # sh -c "$(curl -fsSL https://raw.githubusercontent.com/mattt/emcee/main/tools/install.sh)" # or via wget: # sh -c "$(wget -qO- https://raw.githubusercontent.com/mattt/emcee/main/tools/install.sh)" # or via fetch: # sh -c "$(fetch -o - https://raw.githubusercontent.com/mattt/emcee/main/tools/install.sh)" # # As an alternative, you can first download the install script and run it afterwards: # wget https://raw.githubusercontent.com/mattt/emcee/main/tools/install.sh # sh install.sh # # You can tweak the install location by setting the INSTALL_DIR env var when running the script. # INSTALL_DIR=~/my/custom/install/location sh install.sh # # By default, emcee will be installed at /usr/local/bin/emcee # # This install script is based on that of ohmyzsh[1], which is licensed under the MIT License # [1] https://github.com/ohmyzsh/ohmyzsh/blob/master/tools/install.sh set -e # Make sure important variables exist if not already defined DEFAULT_INSTALL_DIR="/usr/local/bin" INSTALL_DIR=${INSTALL_DIR:-$DEFAULT_INSTALL_DIR} command_exists() { command -v "$@" >/dev/null 2>&1 } user_can_sudo() { # Check if sudo is installed command_exists sudo || return 1 # Termux can't run sudo, so we can detect it and exit the function early. case "$PREFIX" in *com.termux*) return 1 ;; esac ! LANG= sudo -n -v 2>&1 | grep -q "may not run sudo" } setup_color() { # Only use colors if connected to a terminal if [ -t 1 ]; then FMT_RED=$(printf '\033[31m') FMT_GREEN=$(printf '\033[32m') FMT_YELLOW=$(printf '\033[33m') FMT_BLUE=$(printf '\033[34m') FMT_BOLD=$(printf '\033[1m') FMT_RESET=$(printf '\033[0m') else FMT_RED="" FMT_GREEN="" FMT_YELLOW="" FMT_BLUE="" FMT_BOLD="" FMT_RESET="" fi } get_platform() { platform="$(uname -s)_$(uname -m)" case "$platform" in "Darwin_arm64"|"Darwin_x86_64"|"Linux_arm64"|"Linux_i386"|"Linux_x86_64") echo "$platform" return 0 ;; *) echo "Unsupported platform: $platform" return 1 ;; esac } setup_emcee() { EMCEE_LOCATION="${INSTALL_DIR}/emcee" platform=$(get_platform) || exit 1 BINARY_URI="https://github.com/mattt/emcee/releases/latest/download/emcee_${platform}.tar.gz" if [ -f "$EMCEE_LOCATION" ]; then echo "${FMT_YELLOW}A file already exists at $EMCEE_LOCATION${FMT_RESET}" printf "${FMT_YELLOW}Do you want to delete this file and continue with this installation anyway?${FMT_RESET}\n" read -p "Delete file? (y/N): " choice case "$choice" in y|Y ) echo "Deleting existing file and continuing with installation..."; sudo rm $EMCEE_LOCATION;; * ) echo "Exiting installation."; exit 1;; esac fi echo "${FMT_BLUE}Downloading emcee...${FMT_RESET}" TMP_DIR=$(mktemp -d) if command_exists curl; then curl -L "$BINARY_URI" | tar xz -C "$TMP_DIR" elif command_exists wget; then wget -O- "$BINARY_URI" | tar xz -C "$TMP_DIR" elif command_exists fetch; then fetch -o- "$BINARY_URI" | tar xz -C "$TMP_DIR" else echo "${FMT_RED}Error: One of curl, wget, or fetch must be present for this installer to work.${FMT_RESET}" exit 1 fi sudo mv "$TMP_DIR/emcee" "$EMCEE_LOCATION" rm -rf "$TMP_DIR" sudo chmod +x "$EMCEE_LOCATION" SHELL_NAME=$(basename "$SHELL") if ! echo "$PATH" | grep -q "$INSTALL_DIR"; then echo "Adding $INSTALL_DIR to PATH in .$SHELL_NAME"rc echo "" >> ~/.$SHELL_NAME"rc" echo "# Created by \`emcee\` install script on $(date)" >> ~/.$SHELL_NAME"rc" echo "export PATH=\$PATH:$INSTALL_DIR" >> ~/.$SHELL_NAME"rc" echo "You may need to open a new terminal window to run emcee for the first time." fi trap 'rm -rf "$TMP_DIR"' EXIT } print_success() { echo "${FMT_GREEN}Successfully installed emcee.${FMT_RESET}" echo "${FMT_BLUE}Run \`emcee --help\` to get started${FMT_RESET}" } main() { setup_color # Check if `emcee` command already exists if command_exists emcee; then echo "${FMT_YELLOW}An emcee command already exists on your system at the following location: $(which emcee)${FMT_RESET}" echo "The installations may interfere with one another." printf "${FMT_YELLOW}Do you want to continue with this installation anyway?${FMT_RESET}\n" read -p "Continue? (y/N): " choice case "$choice" in y|Y ) echo "Continuing with installation...";; * ) echo "Exiting installation."; exit 1;; esac fi # Check the users sudo privileges if [ ! "$(user_can_sudo)" ] && [ "${SUDO}" != "" ]; then echo "${FMT_RED}You need sudo permissions to run this install script. Please try again as a sudoer.${FMT_RESET}" exit 1 fi setup_emcee if command_exists emcee; then print_success else echo "${FMT_RED}Error: emcee not installed.${FMT_RESET}" exit 1 fi } main "$@"