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1 | #! /bin/sh -e |
2 | ### | |
3 | ### Construct a fresh build-chroot base | |
4 | ### | |
5 | ### (c) 2018 Mark Wooding | |
6 | ### | |
7 | ||
8 | ###----- Licensing notice --------------------------------------------------- | |
9 | ### | |
10 | ### This file is part of the distorted.org.uk chroot maintenance tools. | |
11 | ### | |
12 | ### distorted-chroot is free software: you can redistribute it and/or | |
13 | ### modify it under the terms of the GNU General Public License as | |
14 | ### published by the Free Software Foundation; either version 2 of the | |
15 | ### License, or (at your option) any later version. | |
16 | ### | |
17 | ### distorted-chroot is distributed in the hope that it will be useful, | |
18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | ### General Public License for more details. | |
21 | ### | |
22 | ### You should have received a copy of the GNU General Public License | |
23 | ### along with distorted-chroot. If not, write to the Free Software | |
24 | ### Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
25 | ### USA. | |
26 | ||
27 | . state/config.sh # @@@config@@@ | |
28 | ||
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29 | ## Convert the PROXY configuration setting into something that will affect |
30 | ## `debootstrap'. | |
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31 | case $PROXY in nil) ;; *) http_proxy=$PROXY; export PROXY ;; esac |
32 | ||
3e5b03e2 | 33 | ## Parse the command-line. |
e36b4f25 MW |
34 | badp=nil forcep=nil |
35 | while getopts "f" opt; do | |
36 | case $opt in | |
37 | f) forcep=t ;; | |
38 | *) badp=t ;; | |
39 | esac | |
40 | done | |
41 | shift $(( $OPTIND - 1 )) | |
42 | case $# in 2) ;; *) badp=t ;; esac | |
43 | case $badp in t) echo >&2 "usage: $0 [-f] DIST ARCH"; exit 2 ;; esac | |
44 | d=$1 a=$2 | |
45 | ||
46 | case $d-$a in *-*-*) echo >&2 "$0: bad chroot name \`$arg'"; exit 2 ;; esac | |
47 | if [ ! -d /dev/$VG/ ]; then echo >&2 "$0: no volume group \`$VG'"; exit 2; fi | |
48 | ||
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49 | ## Decide whether we need to do special things for installing a foreign |
50 | ## architecture. | |
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51 | qemup=nil dbsopts= |
52 | for fa in $FOREIGN_ARCHS; do | |
53 | case $fa in | |
54 | "$a") | |
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55 | qemup=t dbsopts=--foreign |
56 | eval qarch=\$${a}_QEMUARCH qhost=\$${a}_QEMUHOST | |
e36b4f25 MW |
57 | break |
58 | ;; | |
59 | esac | |
60 | done | |
61 | ||
3e5b03e2 | 62 | ## Construct the logical volume and lay a filesystem onto it. |
e36b4f25 | 63 | lv=$LVPREFIX$d-$a |
3e5b03e2 | 64 | mnt=$HERE/mnt/$lv |
e36b4f25 MW |
65 | mkdir -p $mnt |
66 | if mountpoint -q $mnt; then umount $mnt; fi | |
67 | if [ -b /dev/$VG/$lv ]; then | |
68 | case $forcep in | |
69 | nil) echo >&2 "$0: volume \`$lv' already exists"; exit 2 ;; | |
70 | t) lvremove -f $VG/$lv ;; | |
71 | esac | |
72 | fi | |
73 | lvcreate --yes $LVSZ -n$lv $VG | |
74 | mkfs -j -L$d-$a /dev/$VG/$lv | |
75 | mount -orelatime,data=writeback,commit=3600,barrier=0 /dev/$VG/$lv $mnt/ | |
76 | mkdir -m755 $mnt/fs/ | |
77 | chmod 750 $mnt/ | |
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78 | |
79 | ## Install the base system. | |
80 | want=$BASE_PACKAGES | |
81 | case $qemup in | |
82 | t) want="$want $FOREIGN_BASE_PACKAGES" ;; | |
83 | nil) want="$want $NATIVE_BASE_PACKAGES" ;; | |
84 | esac | |
85 | pkgs=; for p in $want; do pkgs=${pkgs:+$pkgs,}$p; done | |
e36b4f25 MW |
86 | eatmydata debootstrap $dbsopts --arch=$a --variant=minbase \ |
87 | --include=$pkgs $d $mnt/fs/ $DEBMIRROR | |
88 | ||
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89 | ## If this is a cross-installation, then install the necessary `qemu' and |
90 | ## complete the installation. | |
e36b4f25 MW |
91 | case $qemup in |
92 | t) | |
93 | install $LOCAL/cross/$d-$qhost/QEMU/qemu-$qarch-static \ | |
94 | $mnt/fs/usr/bin/ | |
95 | chroot $mnt/fs/ /debootstrap/debootstrap --second-stage | |
96 | ln -sf /usr/local.schroot/cross/$d-$qhost/QEMU/qemu-$qarch-static \ | |
97 | $mnt/fs/usr/bin/ | |
98 | ;; | |
99 | esac | |
100 | ||
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101 | ## Set up `/usr/local'. |
102 | rm -rf $mnt/fs/usr/local/; ln -s local.schroot/$a $mnt/fs/usr/local | |
e36b4f25 | 103 | |
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104 | ## Install the `apt' configuration. |
105 | rm -rf $mnt/fs/etc/apt/apt.conf $mnt/fs/etc/apt/sources.list | |
106 | for c in $LOCAL/etc/apt/apt.conf.d/*; do | |
107 | ln -s /usr/local.schroot/${c#$LOCAL/} $mnt/fs/etc/apt/apt.conf.d/ | |
108 | done | |
109 | ln -s /usr/local.schroot/etc/apt/sources.$d $mnt/fs/etc/apt/sources.list | |
e36b4f25 | 110 | |
3e5b03e2 | 111 | cat >$mnt/fs/etc/apt/apt.conf.d/20arch <<EOF |
e36b4f25 MW |
112 | ### -*-conf-*- |
113 | ||
114 | APT { | |
115 | Architecture "$a"; | |
116 | }; | |
117 | EOF | |
118 | ||
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119 | ## Set up the locale and time zone from the host system. |
120 | cp /etc/locale.gen /etc/timezone $mnt/fs/etc/ | |
121 | tz=$(cat /etc/timezone); ln -sf /usr/share/zoneinfo/$tz $mnt/fs/etc/localtime | |
122 | ln -sf /proc/mounts $mnt/fs/etc/mtab | |
e36b4f25 | 123 | |
3e5b03e2 | 124 | cp /etc/default/locale $mnt/fs/etc/default/ |
e36b4f25 | 125 | |
3e5b03e2 MW |
126 | ## Prevent daemons from starting within the chroot. |
127 | cat >$mnt/fs/usr/sbin/policy-rc.d <<EOF | |
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128 | #! /bin/sh |
129 | echo >&2 "policy-rc.d: Services disabled by policy." | |
130 | exit 101 | |
131 | EOF | |
3e5b03e2 | 132 | chmod +x $mnt/fs/usr/sbin/policy-rc.d |
e36b4f25 | 133 | |
3e5b03e2 MW |
134 | ## Hack the dynamic linker to prefer libraries in `/usr' over `/usr/local'. |
135 | cat >$mnt/fs/etc/ld.so.conf.d/libc.conf <<EOF | |
e36b4f25 MW |
136 | # libc default configuration |
137 | EOF | |
3e5b03e2 | 138 | cat >$mnt/fs/etc/ld.so.conf.d/zzz-local.conf <<EOF |
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139 | ### -*-conf-*- |
140 | ### Local hack to make /usr/local/ late. | |
141 | /usr/local/lib | |
142 | EOF | |
143 | ||
3e5b03e2 | 144 | ## We're done setting the chroot environment up. |
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145 | umount $mnt/ |
146 | ||
3e5b03e2 | 147 | ## If this is a foreign architecture then we need to set it up. |
e36b4f25 MW |
148 | case $qemup in |
149 | t) | |
3e5b03e2 MW |
150 | ## Keep the chroot's native Qemu out of our way: otherwise we'll stop |
151 | ## being able to run programs in the chroot. There's a hack here because | |
152 | ## the `--no-rename' option was required in the same version in which is | |
153 | ## was introduced, so there's no single incantation that will work across | |
154 | ## the boundary. | |
944cdc82 | 155 | schroot -uroot -csource:$lv -- eatmydata sh -e -c " |
e36b4f25 MW |
156 | if dpkg-divert >/dev/null 2>&1 --no-rename --help |
157 | then no_rename=--no-rename | |
158 | else no_rename= | |
159 | fi | |
160 | ||
161 | dpkg-divert --package install-cross-tools \$no_rename \ | |
3e5b03e2 MW |
162 | --divert /usr/bin/qemu-$qarch-static.$a --add /usr/bin/qemu-$qarch-static" |
163 | ||
164 | ## Install faster native tools. | |
e36b4f25 | 165 | $STATE/bin/install-cross-tools $d $a |
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166 | |
167 | ## Install `build-essential', which had been delayed from earlier. | |
944cdc82 | 168 | schroot -uroot -csource:$lv -- \ |
3e5b03e2 | 169 | eatmydata apt-get -y install build-essential |
e36b4f25 MW |
170 | ;; |
171 | esac | |
172 | ||
3e5b03e2 | 173 | ## Set the chroot's package state up properly. |
944cdc82 | 174 | schroot -uroot -csource:$lv -- eatmydata sh -e -c ' |
e36b4f25 MW |
175 | apt-get update |
176 | apt-get -y upgrade | |
177 | locale-gen | |
178 | ldconfig | |
179 | apt-get -y autoremove | |
180 | apt-get clean' | |
181 | ||
182 | ###----- That's all, folks -------------------------------------------------- |