utils.sh

#!/bin/bash

get_latest_release() {
    # Retrieves the latest release version of a github repsitory
    curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
        grep -Po '"tag_name": "\K.*?(?=")'                                          # Get tag line
}

get_latest_tag() {
    # Retrieves the latest version tag of a github repsitory
    curl "https://api.github.com/repos/$1/tags" |
      grep -Po '"name": "\K.*?(?=")' | 
      head -1                          # Get first tag from GitHub api
}

BOLD="$(tput bold 2>/dev/null || printf '')"
GREY="$(tput setaf 0 2>/dev/null || printf '')"
UNDERLINE="$(tput smul 2>/dev/null || printf '')"
RED="$(tput setaf 1 2>/dev/null || printf '')"
GREEN="$(tput setaf 2 2>/dev/null || printf '')"
YELLOW="$(tput setaf 3 2>/dev/null || printf '')"
BLUE="$(tput setaf 4 2>/dev/null || printf '')"
MAGENTA="$(tput setaf 5 2>/dev/null || printf '')"
NO_COLOR="$(tput sgr0 2>/dev/null || printf '')"

info() {
  printf '%s\n' "${BOLD}${GREY}>${NO_COLOR} $*"
}

warn() {
  printf '%s\n' "${YELLOW}! $*${NO_COLOR}"
}

error() {
  printf '%s\n' "${RED}x $*${NO_COLOR}" >&2
}

completed() {
  printf '%s\n' "${GREEN}✓${NO_COLOR} $*"
}