#!/bin/bash


DIST=debian/buster		# 06 Jul 2019 fin : 01 juin 2024 # cp: failed to preserve ownership for 'debian/ruby-gio2//usr/lib/ruby/vendor_ruby/gio2': Invalid argument
#DIST=debian/bullseye	# 14 Aug 2021 fin : 15 Aug 2026

#DIST=ubuntu/bionic     # 18.04 LTS fin : Avril 2023 # E: Unable to find a source package for ruby-gnome
#DIST=ubuntu/focal      # 20.04 LTS fin : Avril 2025 
#DIST=ubuntu/jammy      # 22.04 LTS din : Avril 2027 

ID=$(echo $DIST|cut -d '/' -f 1)
VERSION_CODENAME=$(echo $DIST|cut -d '/' -f 2)

case $ID in 
	debian) DEB_SRC=http://deb.debian.org/debian
			DEB_SRC_SEC=http://ftp.fr.debian.org/debian/
			DEB_SRC_LIST="
			deb-src $DEB_SRC $VERSION_CODENAME main contrib non-free
			deb-src $DEB_SRC_SEC $VERSION_CODENAME-updates main contrib non-free
			"
			;;
	ubuntu) DEB_SRC=http://archive.ubuntu.com/ubuntu
			DEB_SRC_SEC=http://security.ubuntu.com/ubuntu/
			DEB_SRC_SEC_NAME= $VERSION_CODENAME-security 
			DEB_SRC_LIST="
			deb-src $DEB_SRC $VERSION_CODENAME main restricted universe
			deb-src $DEB_SRC $VERSION_CODENAME-updates main restricted universe
			deb-src $DEB_SRC_SEC $VERSION_CODENAME-security main restricted universe
			"	
			;;
esac

CACHE=/tmp/vte/$DIST

[ ! -d $CACHE ] && mkdir -p $CACHE

echo "CACHE: $CACHE"

cat << EOF > $CACHE/build.def
Bootstrap: docker
From: $ID:$VERSION_CODENAME

%post

	echo "$DEB_SRC_LIST" >> /etc/apt/sources.list

	cat /etc/apt/sources.list

	export DEBIAN_FRONTEND=noninteractive
    apt-get -y update
    apt-get -y install dpkg-dev lsb-release 
	apt-get -y build-dep ruby-gnome2
	apt-get -y install libvte-dev

%environment
    export LC_ALL=C

EOF

set -x

export SINGULARITY_CACHEDIR=$CACHE

# (userns not supported by buil !

singularity build -F --fakeroot $CACHE/out.sif $CACHE/build.def

cat << EOF > $CACHE/compile.sh
#!/bin/bash

#set -e # 
set -x

rm -Rf $CACHE/tmp
mkdir -p $CACHE/tmp

cd $CACHE/tmp

apt-get source ruby-gtk2
cd \$(find . -maxdepth 1 -type d -name 'ruby-gnome*')
dpkg-buildpackage -us -uc
cd vte
ruby extconf.rb
make

EOF

chmod 755 $CACHE/compile.sh

singularity exec -u $CACHE/out.sif $CACHE/compile.sh

VTE=$(find $CACHE/tmp -name 'vte.so')

echo vte : $VTE