blob: bfbbcd2469af6ebac7c117c9b01bdd02e7486350 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#!/bin/sh -e
# Create/destroy temporary chroots
case "$1" in
--help|-h) printf '\033[1;33m-> \033[m%s\n' "usage: ${0##*/} [pkg...]"; exit 0
esac
log() { printf '\033[31;1m->\033[m %s.\n' "$@" ;}
die() {
rm -f carbs-rootfs.tar.xz carbs-rootfs.tar.xz.sum
log "$@"
log "Re-run 'cpt-chbuild' to try again."
exit 1
}
sh256() {
# There's no standard utility to generate sha256 checksums.
# This is a simple wrapper around sha256sum, sha256, shasum
# and openssl which will use whatever is available.
#
# All utilities must match 'sha256sum' output.
#
# Example: '<checksum> <file>'
[ -e "$1" ] || return 0
hash=$(sha256sum "$1" ||
sha256 -r "$1" ||
openssl dgst -sha256 -r "$1" ||
shasum -a 256 "$1")
printf '%s %s\n' "${hash%% *}" "$1"
} 2>/dev/null
case "$(uname -m)" in i*86) arch=i686; esac
url="https://dl.carbslinux.org/releases/${arch:-$(uname -m)}/carbs-rootfs.tar.xz"
pid=$$
cd "${cac_dir:=$CPT_ROOT${CPT_CACHE:=${XDG_CACHE_HOME:-$HOME/.cache}/cpt}}"
[ -f carbs-rootfs.tar.xz ] || {
log "Downloading chroot tarball"
curl -fLO "$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-$pid cpt-install "$@"
}
log "Entering chroot"
su -c "cpt-chroot chroot-$pid; rm -rf chroot-$pid"
|
