unixorn/tumult.plugin.zsh

#!/usr/bin/env bash
#
# Read whether macOS is set to light or dark UI
#
# Copyright 2022, Joe Block <jpb@unixorn.net>

set -o pipefail
if [[ -n "$DEBUG" ]]; then
  set -x
fi

function debug() {
  if [[ -n "$DEBUG" ]]; then
    echo "$@"
  fi
}

function echo-stderr() {
  echo "$@" 1>&2
}

function fail() {
  printf '%s\n' "$1" >&2  ## Send message to stderr. Exclude >&2 if you don't want it that way.
  exit "${2-1}"  ## Return a code specified by $2 or 1 by default.
}

function has() {
  # Check if a command is in $PATH
  which "$@" > /dev/null 2>&1
}

function interface-style() {
  if [[ "$(uname -s)" = "Darwin" ]]; then
    if defaults read -g AppleInterfaceStyle &>/dev/null
    then
      echo "Dark"
      exit 0
    fi
    echo "Light"
  fi
}

if [[ "$(uname -s)" != 'Darwin' ]]; then
  echo 'Sorry, this script only works on macOS'
  exit 1
fi

interface-style