tbootstrap - libdevuansdk - common library for devuan's simple distro kits
(HTM) git clone https://git.parazyd.org/libdevuansdk
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) Submodules
(DIR) README
(DIR) LICENSE
---
tbootstrap (7442B)
---
1 #!/usr/bin/env zsh
2 # shellcheck shell=bash
3 # Copyright (c) 2016-2021 Ivan J. <parazyd@dyne.org>
4 # This file is part of libdevuansdk
5 #
6 # This source code is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
10 #
11 # This software is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this source code. If not, see <http://www.gnu.org/licenses/>.
18
19 vars+=(bootstrap_cpio_stage3 bootstrap_cpio_stage4 CPIO_STAGE4)
20
21 bootstrap_complete_base()
22 {
23 fn bootstrap_complete_base "$*"
24 req=(R os arch strapdir LIBPATH release mirror)
25 ckreq || return 1
26
27 notice "Bootstrapping: ${os}:${arch} base"
28
29 export LANG=C
30 export LC_ALL=C
31 export DEBIAN_FRONTEND=noninteractive
32 export SOURCE_DATE_EPOCH=1610550434
33
34 bootstrap_cpio_stage3="$R/tmp/bootstrap-${os}-${arch}-stage3.cpio.gz"
35 bootstrap_cpio_stage4="$R/tmp/bootstrap-${os}-${arch}-stage4.cpio.gz"
36
37 if [[ -n "$CPIO_STAGE4" && -f "$bootstrap_cpio_stage4" ]]; then
38 act "Using the existing stage4 bootstrap cpio archive..."
39 bootstrap_cpio_unpack "$bootstrap_cpio_stage4" "$strapdir" || {
40 die "Failed to extract cpio archive"
41 return 1
42 }
43 bootstrap_stage4
44 return
45 elif [[ -f "$bootstrap_cpio_stage3" ]]; then
46 act "Using the existing stage3 bootstrap cpio archive..."
47 bootstrap_cpio_unpack "$bootstrap_cpio_stage3" "$strapdir" || {
48 die "Failed to extract cpio archive"
49 return 1
50 }
51 bootstrap_stage4 || { zerr; return 1; }
52 if [[ -n "$CPIO_STAGE4" ]]; then
53 bootstrap_cpio_pack "$bootstrap_cpio_stage4" || { zerr; return 1; }
54 fi
55 return
56 fi
57
58 notice "Running stage1 debootstrap"
59
60 sudo debootstrap \
61 --keyring="$LIBPATH/extra/devuan-keyring/keyrings/devuan-archive-keyring.gpg" \
62 --include=devuan-keyring,wget,ca-certificates \
63 --foreign \
64 --arch "$arch" "$release" "$strapdir" "$mirror" || { zerr; return 1; }
65
66 if [[ "$arch" =~ "^arm.." ]]; then
67 qemu_install_user "$strapdir" || { zerr; return 1; }
68 fi
69
70 notice "Running stage2 debootstrap"
71
72 sudo chroot "$strapdir" /debootstrap/debootstrap --second-stage || { zerr; return 1; }
73
74 # TODO: sys config as function
75 conf_print_fstab | sudo tee "$strapdir/etc/fstab" >/dev/null
76 conf_print_hostname | sudo tee "$strapdir/etc/hostname" >/dev/null
77 conf_print_hosts | sudo tee "$strapdir/etc/hosts" >/dev/null
78 conf_print_netifaces | sudo tee "$strapdir/etc/network/interfaces" >/dev/null
79 conf_print_resolvconf | sudo tee "$strapdir/etc/resolv.conf" >/dev/null
80 conf_print_sourceslist | sudo tee "$strapdir/etc/apt/sources.list" >/dev/null
81
82 blend_bootstrap_setup || { zerr; return 1; }
83
84 bootstrap_stage3 || { zerr; return 1; }
85 bootstrap_cpio_pack "$bootstrap_cpio_stage3" || { zerr; return 1; }
86
87 bootstrap_stage4 || { zerr; return 1; }
88 if [[ -n "$CPIO_STAGE4" ]]; then
89 bootstrap_cpio_pack "$bootstrap_cpio_stage4" || { zerr; return 1; }
90 fi
91
92 return
93 }
94
95 bootstrap_stage3()
96 {
97 fn bootstrap_stage3
98 req=(core_packages base_packages rootcredentials)
99 ckreq || return 1
100
101 cat <<EOF | sudo tee "$strapdir/thirdstage" >/dev/null
102 #!/bin/sh
103 apt-get update
104 apt-get --yes --force-yes install ${core_packages_option} ${core_packages} || exit 1
105 apt-get --yes --force-yes install ${base_packages_option} ${base_packages} || exit 1
106 apt-get --yes --force-yes purge ${purge_packages_option} ${purge_packages} || exit 1
107 apt-get --yes --force-yes --purge autoremove || exit 1
108 apt-get clean
109
110 echo "${rootcredentials}" | chpasswd
111
112 rm -f /etc/ssh/ssh_host_*
113 rm -f /root/.bash_history
114 EOF
115
116 chroot-script -d thirdstage || { zerr; return 1; }
117 }
118
119 bootstrap_stage4()
120 {
121 fn bootstrap_stage4
122 req=(strapdir extra_packages)
123 ckreq || return 1
124
125 sudo mkdir -p "$strapdir"/{boot,dev,proc,sys}
126
127 cat <<EOF | sudo tee "$strapdir/fourthstage" >/dev/null
128 #!/bin/sh
129 apt-get update
130
131 # check if all our extra_packages exist
132 allpkgs="\$(apt-cache search '.' | cut -d' ' -f1)"
133 for i in ${extra_packages}; do
134 printf "%s" "\$allpkgs" | grep -q "^\$i$" || {
135 case "\$i" in
136 --*) continue;;
137 *) missing="\$missing \$i" ;;
138 esac
139 }
140 done
141
142 if [ -n "\$missing" ]; then
143 printf "\033[1;31m[!!] Some extra packages don't exist:\033[0m\n"
144 printf "%s\n" "\$missing"
145 exit 1
146 fi
147
148 apt-get --yes --force-yes upgrade || exit 1
149 apt-get --yes --force-yes install ${extra_packages_option} ${extra_packages} || exit 1
150 apt-get --yes --force-yes --purge autoremove || exit 1
151 apt-get clean
152 EOF
153
154 chroot-script -d fourthstage || { zerr; return 1; }
155
156 for i in $inittab; do
157 grep -q "$^i" "$strapdir/etc/inittab" && continue
158 echo "$i" | sudo tee -a "$strapdir/etc/inittab" >/dev/null
159 done || true
160
161 for i in $custmodules; do
162 grep -q "^$i" "$strapdir/etc/modules" && continue
163 echo "$i" | sudo tee -a "$strapdir/etc/modules" >/dev/null
164 done || true
165 }
166
167 qemu_install_user()
168 {
169 fn qemu_install_user "$*"
170 req=(arch _target)
171 local _target="$1"
172 ckreq || return 1
173
174 case "$(uname -m)" in
175 arm*|aarch*)
176 return
177 ;;
178 esac
179
180 notice "Installing qemu-user-static"
181
182 if [[ -f "/etc/gentoo-release" ]] && [[ "$arch" = armhf ]]; then
183 cat <<EOF | gcc -O3 -static -o /tmp/qemu-wrapper -x c -
184 #include <string.h>
185 #include <unistd.h>
186 int main(int argc, char **argv, char **envp) {
187 char *newargv[argc+3];
188 newargv[0] = argv[0];
189 newargv[1] = "-cpu";
190 newargv[2] = "cortex-a8";
191 memcpy(&newargv[3], &argv[1], sizeof(*argv) * (argc-1));
192 newargv[argc+2] = NULL;
193 return execve("${armhf_qemu_bin}", newargv, envp);
194 }
195 EOF
196 sudo mv /tmp/qemu-wrapper "$_target" || { zerr; return 1 ; }
197 fi
198
199 case "$arch" in
200 armel)
201 sudo cp -a "$armel_qemu_bin" "$_target/usr/bin/" || { zerr; return 1; }
202 ;;
203 armhf)
204 sudo cp -a "$armhf_qemu_bin" "$_target/usr/bin/" || { zerr; return 1; }
205 ;;
206 arm64)
207 sudo cp -a "$arm64_qemu_bin" "$_target/usr/bin/" || { zerr; return 1; }
208 ;;
209 esac
210 }
211
212 bootstrap_cpio_pack()
213 {
214 fn bootstrap_cpio_pack "$*"
215 req=(_bootstrap_cpio strapdir)
216 local _bootstrap_cpio="$1"
217 ckreq || return 1
218
219 local _dest="$(dirname "$_bootstrap_cpio")"
220 if [[ -f "$_bootstrap_cpio" ]]; then
221 notice "cpio archive already found in $_dest"
222 return
223 fi
224
225 notice "Creating bootstrap cpio archive: $_bootstrap_cpio"
226 silly
227
228 pushd "$strapdir"
229 mkdir -p "$_dest"
230 sudo find . \
231 -not -path "./dev/*" \
232 -a -not -path "./proc/*" \
233 -a -not -path "./sys/*" \
234 | sudo cpio -oa --reproducible --format=newc \
235 | gzip - > "$_bootstrap_cpio" || { zerr; return 1; }
236 popd
237 }
238
239 bootstrap_cpio_unpack()
240 {
241 fn bootstrap_cpio_unpack "$*"
242 req=(_bootstrap_cpio strapdir)
243 local _bootstrap_cpio="$1"
244 ckreq || return 1
245
246 notice "Unpacking bootstrap cpio archive: $_bootstrap_cpio"
247 silly
248
249 # Danger Will Robinson
250 # Check for (bind) mounts as sudo rm -rf will trash the host
251 for m in sys proc dev; do
252 if [[ $(mountpoint -q "${strapdir}/$m") ]]; then
253 zerr
254 return 1
255 fi
256 done
257 # remove everything, including .dotdirfiles
258 sudo rm -rf "$strapdir"
259 mkdir -p "$strapdir"
260
261 pushd "$strapdir" || { zerr; return 1; }
262 zcat "$_bootstrap_cpio" | sudo cpio -idmn --format=newc 2>>/dev/null || { zerr; return 1; }
263 popd
264
265 sudo mkdir -p "$strapdir"/{boot,dev,proc,sys}
266 }
267
268 blend_bootstrap_setup()
269 {
270 fn blend_bootstrap_setup "(noop)"
271 return
272 }