Bash Install Script Utils

utils.sh

#!/usr/bin/env bash

# Some Generic Bash Utils
# Credit ==> https://natelandau.com/bash-scripting-utilities/


#
#Set Colors
#

bold=$(tput bold)
underline=$(tput sgr 0 1)
reset=$(tput sgr0)

purple=$(tput setaf 171)
magenta=$(tput setaf 5)
cyan=$(tput setaf 6)
red=$(tput setaf 1)
green=$(tput setaf 76)
tan=$(tput setaf 3)
blue=$(tput setaf 38)

# Spinner loader
show_spinner() {
    local info="$1"
    local pid=$!
    local delay=0.75
    local spinstr='|/-\'
    while kill -0 $pid 2> /dev/null; do
        local temp=${spinstr#?}
        printf " [%c]  $info" "$spinstr"
        local spinstr=$temp${spinstr%"$temp"}
        sleep $delay
        local reset="\b\b\b\b\b\b"
        for ((i=1; i<=$(echo $info | wc -c); i++)); do
            reset+="\b"
        done
        printf $reset
    done
    printf "    \b\b\b\b"
}


#
# Headers and  Logging
#

e_header() { printf "\n${bold}${purple}==========  %s  ==========${reset}\n" "$@" 
}
e_arrow() { printf "➜ $@\n"
}
e_divider() {
  printf "\n${bold}${purple}::${reset}${bold} $@"
}
e_success() { printf "${green}✔ %s${reset}\n" "$@"
}
e_error() { printf "${red}✖ %s${reset}\n" "$@"
}
e_warning() { printf "${tan}➜ %s${reset}\n" "$@"
}
e_underline() { printf "${underline}${bold}%s${reset}\n" "$@"
}
e_bold() { printf "${bold}%s${reset}\n" "$@"
}
e_title() { printf "${bold}%s${reset}\n" "$(e_divider "$@")"
}
e_note() { printf "${underline}${bold}${blue}Note:${reset}  ${blue}%s${reset}\n" "$@"
}

# Utils

# Check if command exists
type_exists() {
if [ $(type -P $1) ]; then
  return 0
fi
return 1
}

# Check OS
is_os() {
if [[ "${OSTYPE}" == $1* ]]; then
  return 0
fi
return 1
}

# Check if running as Root
is_root() {
 if [ $(whoami) != "root" ]; then
   return 1
 fi
 return 0
}