#!/bin/bash
# Usage: create_dmg target_name file1 [file2...]

# TODO: add background image and symlink to /Applications, once we have a signed app and no longer need the README

STAGING_DIR="./Staging"

# Extract the target name
TARGET="$1"
shift

# Look for the .app in the files to be added to the .dmg
APP=""
for src in "$@"
do
    [[ "$src" == *.app ]] && APP="$src"
done

if [[ ${APP} != "" ]]; then
    if [[ -z "$QT_BIN" ]]; then
        echo "Error: QT_BIN must be defined"
        exit 1
    fi

    # Create deployable application bundle (if it hasn't been already been done)
    if [[ ! -d "${APP}/Contents/Frameworks/QtCore.framework" ]]; then
        echo "${QT_BIN}"/macdeployqt "${APP}"
        "${QT_BIN}"/macdeployqt "${APP}" || exit
    fi

    # TODO: add version number to target .dmg filename
    # 1. Set the version in the Info.plist during build.
    # 2. Get the version from ${APP}/Contents/Info.plist
fi

mkdir "${STAGING_DIR}" || exit

for src in "$@"
do
    echo "Copying ${src}"
    cp -a "$src" "${STAGING_DIR}/."
done

echo "Creating .dmg"
hdiutil create -srcfolder "${STAGING_DIR}" -volname "${TARGET}" -fs HFS+ -fsargs "-c c=64,a=16,e=16" -format UDZO -imagekey zlib-level=9 -o "${TARGET}.dmg" -ov

rm -rf "${STAGING_DIR}"