#!/usr/bin/env bash # This file contains a set of functions used as helpers # for various tasks. Read the examples for each one for # more information. Feel free to put any additional helper # functions you may need for your app # Returns true if the command $1 is not found # example: # if command_not_found "yarn"; then # echo "no yarn" # fi command_not_found() { ! command -v $1 > /dev/null return $? } # Returns true if the command $1 is not running # You must supply the full command to check as an argument # example: # if command_not_running "redis-cli ping"; then # print_error "Redis is not running" # fi command_not_running() { $1 if [ $? -ne 0 ]; then true else false fi } # Returns true if the OS is macOS # example: # if is_mac; then # echo "do mac stuff" # fi is_mac() { if [[ "$OSTYPE" == "darwin"* ]]; then true else false fi } # Returns true if the OS is linux based # example: # if is_linux; then # echo "do linux stuff" # fi is_linux() { if [[ "$OSTYPE" == "linux"* ]]; then true else false fi } # Prints error and exit. # example: # print_error "Redis is not running. Run it with some_command" print_error() { printf "${BOLD_RED_COLOR}There is a problem with your system setup:\n\n" printf "${BOLD_RED_COLOR}$1 \n\n" | indent exit 1 }