#!/bin/sh
# Utilisation: $0 <chroot_path> <program list>
rep="$1"
shift
 
# Copie $1 vers $2 en créant les répertoires parents.
copie_dir ()
{
	[ -e "${2}" ] && return
	rep_base=$(dirname "${2}")
	[ -d "${rep_base}" ] || {
		echo "++ mkdir -p ${rep_base}"
		mkdir -p "${rep_base}"
	}
	echo "+ cp -a $1 $2"
	cp -a "$1" "$2"
}
 
# Copie $1 vers $2 + copie des librairies utilisées.
copie_ldd ()
{
	local src dest file f f_link
	src="$1"
	dest="$2"
	[ -e "${dest}" ] && return
	file=( $(ldd "$src" | awk '{print $3}' | grep '^/') )
	file=( "${file[@]}" $(ldd "$src" | grep '/' | grep -v '=>' | awk '{print $1}') )
	for f in "${file[@]}"
	do
		f_link=$(readlink -f "$f")
		copie_dir "$f_link" "${rep}${f}"
	done
	copie_dir "$src" "${dest}"
}

if [[ ! -d "$rep" ]]; then
	mkdir -p "$rep/usr/lib"
	ln -s usr/lib "$rep/lib"
fi

for prog in "$@"
do
	prog=$(which "$prog")
	prog_real=$(readlink -f "$prog")
	copie_ldd "$prog_real" "${rep}${prog}"
done