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#!/bin/sh -e
# Create/destroy temporary chroots
case "$1" in
--help|-h) printf '\033[1;33m-> \033[m%s\n' "usage: ${0##*/} [pkg...]"; exit 0
esac
# shellcheck disable=1091
. cpt-lib
die() {
rm -f carbs-rootfs.tar.xz carbs-rootfs.tar.xz.sum
log "$@"
log "Re-run 'cpt-chbuild' to try again."
exit 1
}
case "$(uname -m)" in i*86) arch=i686; esac
url="https://dl.carbslinux.org/releases/${arch:-$(uname -m)}/carbs-rootfs.tar.xz"
pid=$$
cd "$cac_dir"
[ -f carbs-rootfs.tar.xz ] || {
log "Downloading chroot tarball"
curl -fLO "$url"
}
[ -f carbs-rootfs.tar.xz.sum ] || {
log "Downloading checksums"
curl -fLo- "${url%/*}/sha256sums.txt" |
grep ' carbs-rootfs.tar.xz$' > carbs-rootfs.tar.xz.sum
}
log "Verifying checksums"
sh256 carbs-rootfs.tar.xz | diff - carbs-rootfs.tar.xz.sum ||
die "Checksum verification failed"
[ -d carbs-chroot ] || {
log "Extracting chroot"
mkdir -p carbs-chroot
( cd carbs-chroot; tar xf ../carbs-rootfs.tar.xz )
}
log "Creating temporary chroot"
cp -a carbs-chroot "chroot-$pid"
[ "$1" ] && {
log "Installing extra packages"
CPT_ROOT=$PWD/chroot-$pid cpt-install "$@"
}
run_hook pre-chroot "" "$PWD/chroot-$pid"
log "Entering chroot"
as_root sh -c "cpt-chroot chroot-$pid; rm -rf chroot-$pid"
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