#!/usr/bin/env bash

# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# Exit on errors
set -e

# Use of unset variable is an error
set -u

# If any part of a pipeline of commands fails, the whole pipeline fails
set -o pipefail

if [ `uname` != Darwin ]; then
    echo This is for macOS only >&2
    exit 1
fi

if [ $# != 2 ]; then
    echo Usage: $0 signed-app-bundle type
    echo "  where type is 'release', 'dev', or 'collabora'"
    exit 1
fi

if [ ! -d "$1" ]; then
    echo No such directory: $1 >&2
    exit 1
fi

if [[ "$1" != *.app ]]; then
    echo "signed-app-bundle argument $1 does not end with .app" >&2
    exit 1
fi

DSSTOREFILE=
VOLUMEICON=
if [ "$2" = "release" ];then
    DSSTOREFILE=DS_Store
elif [ "$2" = "dev" ];then
    DSSTOREFILE=DS_Store_Dev
elif [ "$2" = "collabora" ];then
    DSSTOREFILE=DS_Store
    # Collabora is not currently using a volume icon
    #VOLUMEICON=main.icns
else
    echo "type argument $2 is not equal to 'release', 'dev', or 'collabora'" >&2
    exit 1
fi

IN=$(cd "$1" && /bin/pwd)
INAPP=$(basename "$IN")
INDIR=$(dirname "$IN")
OUTVOLUME=$(basename "$IN" .app)
OUTVOLUMEMOUNT=/Volumes/"$OUTVOLUME"
OUTTMPDIR=$(dirname "$IN")/"$OUTVOLUME"
OUTFILE="$OUTTMPDIR".dmg
OUTFILETMP="$OUTTMPDIR".tmp.dmg
SRCDIR=$(cd `dirname "$0"`/.. && /bin/pwd)

# Create $OUTTMPDIR directory in the same directory as the output .dmg and
# assemble assets

if [ -f "$OUTFILE" ]; then
    echo The file $OUTFILE exists already >&2
    exit 1
fi

if [ -d "$OUTFILE" ]; then
    echo $OUTFILE exists and is a directory >&2
    exit 1
fi

if [ -f "$OUTFILETMP" ]; then
    echo The file $OUTFILETMP exists already >&2
    exit 1
fi

if [ -d "$OUTFILETMP" ]; then
    echo $OUTFILETMP exists and is a directory >&2
    exit 1
fi

if [ -d "$OUTTMPDIR" ]; then
    echo The directory $OUTTMPDIR exists already >&2
    exit 1
fi

if [ -f "$OUTTMPDIR" ]; then
    echo $OUTTMPDIR exists and is a file >&2
    exit 1
fi

if [ -d "$OUTVOLUMEMOUNT" ]; then
    echo The directory $OUTVOLUMEMOUNT exists already >&2
    exit 1
fi

if [ -f "$OUTVOLUMEMOUNT" ]; then
    echo $OUTVOLUMEMOUNT exists and is a file >&2
    exit 1
fi

mkdir "$OUTTMPDIR"
mkdir "$OUTTMPDIR"/.background
tar cf - "$INAPP" -C "$INDIR" | tar xvpf - -C "$OUTTMPDIR"
ln -s /Applications "$OUTTMPDIR"/Applications
cp "$SRCDIR"/setup_native/source/packinfo/DS_Store "$OUTTMPDIR"/.DS_Store
if [ ! -z "$VOLUMEICON" ]; then
    cp "$SRCDIR"/sysui/desktop/icons/"$VOLUMEICON" "$OUTTMPDIR"/.VolumeIcon.icns
fi
cp "$SRCDIR"/setup_native/source/packinfo/osxdndinstall.png "$OUTTMPDIR"/.background/background.png

# Create and mount empty .dmg

sync

if [ -z "$VOLUMEICON" ]; then
# Copied and adapted to bash from solenv/bin/modules/installer/simplepackage.pm
# tdf#151341 Use lzfse compression instead of bzip2
hdiutil create -srcfolder "$OUTTMPDIR" "$OUTFILE" -ov -fs HFS+ -volname "$OUTVOLUME" -format ULFO
else
# To set a volume icon, we need to create a writable .dmg, mount it, set the
# volume icon, unmount it, and then convert it to a read-only .dmg
hdiutil create -srcfolder "$OUTTMPDIR" "$OUTFILETMP" -ov -fs HFS+ -volname "$OUTVOLUME" -format UDRW
sync
hdiutil attach "$OUTFILETMP"
if [ -f "$OUTVOLUMEMOUNT"/.VolumeIcon.icns ]; then
    # TODO: SetFile is deprecated so we will eventually need to find another
    # way to set the volume icon or stop trying to set the volume icon
    SetFile -a C "$OUTVOLUMEMOUNT"
fi
hdiutil detach "$OUTVOLUMEMOUNT"
sync
hdiutil convert "$OUTFILETMP" -format ULFO -o "$OUTFILE"
fi

sync

# Print warning about notarization
echo "Successfully created '$OUTFILE'"
echo
echo "Warning: the .dmg is NOT notarized!"
echo
echo "You can manually notarize the .dmg using the following commands:"
echo "  xcrun notarytool submit '$OUTFILE' ... [--wait]"
echo "  xcrun stapler staple '$OUTFILE'"
echo "  xcrun stapler validate '$OUTFILE'"
exit 0