#!/bin/bash

# This code is based on an example recipe from the AppImage project,
# https://github.com/probonopd/AppImages/blob/e05cbebc62c86f8c602d74d9050bbfbf10df1c69/recipes/powershell/Recipe
# Copyright (c) 2016 Simon Peter
# The license of this code and of https://github.com/probonopd/AppImages/raw/e05cbebc62c86f8c602d74d9050bbfbf10df1c69/functions.sh
# is the MIT License, see https://github.com/probonopd/AppImages/blob/e05cbebc62c86f8c602d74d9050bbfbf10df1c69/LICENSE
#
# Generate AppImage, http://appimage.org
#
# The resulting PowerShell AppImage is known to run on
# CentOS-7.0-1406-x86_64-GnomeLive.iso
# CentOS-7-x86_64-LiveGNOME-1511.iso
# Chromixium-1.5-amd64.iso
# Fedora-Live-Workstation-x86_64-22-3.iso
# Fedora-Live-Workstation-x86_64-23-10.iso
# SL-72-x86_64-2016-02-03-LiveDVDgnome.iso
# debian-live-8.0.0-amd64-xfce-desktop+nonfree.iso
# debian-live-8.4.0-amd64-gnome-desktop.iso
# elementary_OS_0.3_freya_amd64.iso
# kali-linux-2.0-amd64.iso
# kali-linux-2016.1-amd64.iso
# kubuntu-14.04.4-desktop-amd64.iso
# kubuntu-15.04-desktop-amd64.iso
# kubuntu-16.04-desktop-amd64.iso
# linuxmint-17.3-cinnamon-64bit.iso
# neon-devedition-gitunstable-20160814-0806-amd64.iso
# netrunner-17-64bit.iso
# ubuntu-14.04.1-desktop-amd64.iso
# ubuntu-16.04-desktop-amd64.iso
# ubuntu-gnome-16.04-desktop-amd64.iso
# ubuntu-mate-16.04-desktop-amd64.iso
# xubuntu-16.04-desktop-amd64.iso

APP=powershell

mkdir -p ./$APP/$APP.AppDir/usr/lib

cd ./$APP/

wget -q https://github.com/probonopd/AppImages/raw/e05cbebc62c86f8c602d74d9050bbfbf10df1c69/functions.sh -O ./functions.sh
. ./functions.sh

# We get this app and almost all its dependencies via apt-get
# but not using the host system's information about what is
# installed on the system but our own assumptions instead

mkdir -p ./tmp/archives/
mkdir -p ./tmp/lists/partial
touch tmp/pkgcache.bin tmp/srcpkgcache.bin

generate_status

echo "deb http://archive.ubuntu.com/ubuntu/ trusty main universe
" > sources.list

OPTIONS="-o Debug::NoLocking=1
-o APT::Cache-Limit=125829120
-o Dir::Etc::sourcelist=./sources.list
-o Dir::State=./tmp
-o Dir::Cache=./tmp
-o Dir::State::status=./status
-o Dir::Etc::sourceparts=-
-o APT::Get::List-Cleanup=0
-o APT::Get::AllowUnauthenticated=1
-o Debug::pkgProblemResolver=true
-o Debug::pkgDepCache::AutoInstall=true
-o APT::Install-Recommends=0
-o APT::Install-Suggests=0
"

cp ../powershell_*_amd64.deb .

# Add local repository so that we can install deb files
# that were downloaded outside of a repository
dpkg-scanpackages . /dev/null | gzip -9c > Packages.gz
echo "deb file:$(readlink -e $PWD) ./" >> sources.list

apt-get $OPTIONS update

URLS=$(apt-get $OPTIONS -y install --print-uris $APP | cut -d "'" -f 2 | grep -e "^http")

wget -c $URLS

cd ./$APP.AppDir/

find ../*.deb -exec dpkg -x {} . \; || true

rm usr/bin/powershell
mv opt/microsoft/powershell/*/* usr/bin/

cat > $APP.desktop <<\EOF
[Desktop Entry]
Name=PowerShell
Comment=Microsoft PowerShell
Exec=powershell
Keywords=shell;prompt;command;commandline;cmd;
Icon=powershell
Type=Application
Categories=System;TerminalEmulator;
StartupNotify=true
Terminal=true
EOF

cp ../../assets/Powershell_256.png $APP.png

cat > ./AppRun <<\EOF
#!/bin/sh
HERE=$(dirname $(readlink -f "${0}"))
export PATH="${HERE}/usr/bin/":$PATH
export LD_LIBRARY_PATH="${HERE}/usr/lib/":$LD_LIBRARY_PATH
exec "${HERE}/usr/bin/powershell.wrapper" "$@"
EOF
chmod a+x ./AppRun

move_lib
mv ./usr/lib/x86_64-linux-gnu/* ./usr/lib/ # AppRun sets Qt env here

mv ./usr/lib/pulseaudio/*.so usr/lib/ || true

mv usr/local/share/man usr/share/ || true

delete_blacklisted
rm -rf ./etc/ ./home/ ./lib/ || true
rm -r opt/ usr/lib/x86_64-linux-gnu/ usr/lib64 usr/share/ || true

VERSION=$(find ../*.deb -name $APP"_*" | head -n 1 | cut -d "~" -f 1 | cut -d "_" -f 2 | cut -d "-" -f 1-2 | sed -e 's|1%3a||g')
echo $VERSION

get_desktopintegration $APP
sed -i -e 's|^echo|# echo|g' usr/bin/$APP.wrapper # Make less verbose

# Go out of AppImage
cd ..

ARCH="x86_64"
generate_appimage

cp ../out/*AppImage ..

cd ..