unixorn/tumult.plugin.zsh

#!/bin/bash
#
# Author: Joe Block <jpb@unixorn.net>
#
# Copyright 2015 Joseph Block <jpb@apesseekingknowledge.net>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Creates a disk image (dmg) on Mac macOS from the command line.
#
# usage:
#    mkdmg <volname> <srcdir>
#
# Where <volname> is the name to use for the mounted image and <srcdir> is
# where the contents to put on the dmg are.
#
# The result will be a file called <volname>.dmg

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

if [ $# != 2 ]; then
  # shellcheck disable=SC2086
  echo "usage: $(basename $0) VolumeName SourceDirectory"
  exit 0
fi

VOLUME_NAME="$1"
SOURCE_DIRECTORY="$2"

DMG="$VOLUME_NAME.dmg"

hdiutil create -volname "${VOLUME_NAME}" -srcfolder "${SOURCE_DIRECTORY}" -ov "${DMG}"