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#!/bin/bash -ex
NAME="pclinuxos"
VERSION="${1:-2020}" # E.g: '2020'
IMAGE="${NAME}:${VERSION}"
INSTALLROOT="/dev/shm/${IMAGE}"
grep -qw "${INSTALLROOT}/dev" /proc/mounts && sudo umount "${INSTALLROOT}/dev"
sudo rm -rf "${INSTALLROOT}"
sudo mkdir -p "${INSTALLROOT}"
LANG=C
MIRROR="http://distrib-coffee.ipsl.jussieu.fr/pub/linux/pclinuxos/pclinuxos/apt/pclinuxos/64bit"
curl "${MIRROR}/RPMS.x86_64/" | sed -n "/a href/ s|.*href=\"\(.*\)\.rpm\".*|\1.rpm|p" >"/dev/shm/pkg.list"
mkdir -p "/dev/shm/packages"
while read pkg; do
file="$(grep "^${pkg}-[0-9]" /dev/shm/pkg.list | sort | tail -n 1)"
[ -z "${file}" ] && file="$(grep "^${pkg}[0-9]*-[0-9]" /dev/shm/pkg.list | sort | tail -n 1)"
[ -z "${file}" ] && exit 1
wget -nv -c "${MIRROR}/RPMS.x86_64/${file}" -O "/dev/shm/packages/${file}" || exit 2
done < "pclinuxos.pkg"
sudo mkdir -p "${INSTALLROOT}/dev"
sudo mount --bind "/dev" "${INSTALLROOT}/dev"
sudo mkdir -p "${INSTALLROOT}/var/lib/rpm"
sudo rpmdb --initdb --root="${INSTALLROOT}"
sudo rpm -Uvh --noscripts --root="${INSTALLROOT}" "/dev/shm/packages/"*".rpm"
# Fix lzma library location
sudo mv "${INSTALLROOT}/lib/liblzma."* "${INSTALLROOT}/lib64"
# Réinstall distro from inside chroot
sudo mount --bind "/dev/shm" "${INSTALLROOT}/dev/shm"
sudo rm -rf "${INSTALLROOT}/var/lib/rpm"
sudo chroot "${INSTALLROOT}" rpmdb --initdb
sudo chroot "${INSTALLROOT}" rpm -Uvh "/dev/shm/packages/"*".rpm"
sudo cp "/etc/resolv.conf" "${INSTALLROOT}/etc/resolv.conf"
sudo chroot "${INSTALLROOT}" apt-get -y update
sudo chroot "${INSTALLROOT}" apt-get -y upgrade
sudo umount "${INSTALLROOT}/dev/shm"
sudo umount "${INSTALLROOT}/dev"
sudo tar -C "${INSTALLROOT}" -c . >"${IMAGE}.tar"
sudo rm -rf "${INSTALLROOT}"
docker rmi -f "${IMAGE}" || :
cat "${IMAGE}.tar" | docker import - "${IMAGE}"
rm -f "${IMAGE}.tar.gz"
pigz -9 "${IMAGE}.tar"
mv -vf "${IMAGE}.tar.gz" "${HOME}/tde/obs"
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