basic bash script helpers

_utils

#!/bin/bash

set -e

success() {
  printf "\\033[32m ✔ \\033[0m\\n"
}

fail() {
  printf "\\n\\033[31m ✖ \\033[0m $1\\n"
  exit 1
}

doing() {
  printf "\\033[33m ➜ \\033[0m $1"
}

success_msg() {
  printf "\\033[33m ➜ \\033[0m $1 \\033[32m ✔ \\033[0m\\n"
}

key_missing() {
  [[ $(apt-key list 2>/dev/null |
    grep -i $1) ]] &&
    return 1 || return 0
}

repo_missing() {
  [[ $(find /etc/apt/ -name '*.list' |
    xargs cat |
    grep '^[[:space:]]*deb' |
    grep "$1") ]] &&
    return 1 || return 0
}