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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#!/bin/bash
set -e
unmount_virtual()
{
umount "$1/proc" || true
umount "$1/sys" || true
umount "$1/tree/proc" || true
umount "$1/tree/sys" || true
}
pass_snapshot()
{
echo -n "$snapshotdir/$1-snapshot.tar.gz"
}
has_pass()
{
if [ -e $(pass_snapshot "$1") ]
then
return 0
else
return 1
fi
}
update_morph()
{
local dir="$1"
cp baserock-bootstrap "$dir/." # update bootstrap script
rm -rf "$dir/tree/baserock/gits/morph"
mkdir -p "$dir/tree/baserock/gits/morph"
cp -r . "$dir/tree/baserock/gits/morph/."
}
run_pass()
{
local dir="$1"
local passname="$2"
local tarball=$(pass_snapshot "$passname")
if "$snapshot" && has_pass "$passname"
then
tar -C "$dir" -xf "$tarball"
update_morph "$dir"
else
update_morph "$dir"
"./do-squeeze-chroot" bash -x baserock-bootstrap "$passname" || exit 1
if "$snapshot"
then
tar -C "$dir" -caf "$tarball" .
fi
fi
}
export LC_ALL=C
if [ "x$1" = x ]
then
echo "Usage: $0 chroot-dir" 1>&2
exit 1
fi
mkdir -p "$1"
dir="$1/squeeze-chroot"
: ${snapshot:=true}
snapshotdir="$1"
cat >"./do-squeeze-chroot" <<EOF
#!/bin/sh
# clear the temporary directory used outisde the chroot
export TMPDIR=
if mount -t proc proc "$dir/proc"; then
trap "umount \"$dir/proc\"" INT TERM EXIT
if mount -t sysfs sysfs "$dir/sys"; then
trap "umount \"$dir/proc\" \"$dir/sys\"" INT TERM EXIT
chroot "$dir" "\$@"
fi
fi
EOF
chmod +x "./do-squeeze-chroot"
if ([ "x$DEBIAN_MIRROR" = x ] && echo DEBIAN_MIRROR is unspecified >&2) ||
([ "x$GIT_BUNDLES" = x ] && echo GIT_BUNDLES is unspecified >&2) ||
([ "x$LFS_MIRROR" = x ] && echo LFS_MIRROR is unspecified >&2)
then
echo You have to set DEBIAN_MIRROR and other environment variables 1>&2
exit 1
fi
#DEBIAN_MIRROR="http://192.168.1.185/debian"
#LFS_MIRROR=http://192.168.1.185/lfs/
unmount_virtual "$dir"
rm -rf "$dir"
mkdir "$dir"
chrootsnapshot="$snapshotdir/squeeze.tar.gz"
if "$snapshot" && [ -e "$chrootsnapshot" ]
then
tar -C "$dir" -xf "$chrootsnapshot"
else
debootstrap \
--include=build-essential,\
gawk,bison,python,autoconf,autopoint,automake,gettext,libtool,\
help2man,texinfo,sudo,qemu-utils,parted,kpartx,mbr,extlinux \
squeeze "$dir" "$DEBIAN_MIRROR"
# We need a backport of tar 1.26. On ARM, older versions (possibly
# prior to 1.25) have a bug unpacking things onto an NFS filesystem.
# code.liw.fi has the backport, so we'll add that to apt's sources.list
# and install tar manually.
cat <<EOF >> "$dir/etc/apt/sources.list"
deb http://code.liw.fi/debian squeeze main
EOF
./do-squeeze-chroot apt-get update
./do-squeeze-chroot apt-get install --allow-unauthenticated tar
if "$snapshot"
then
tar -caf "$chrootsnapshot" -C "$dir" .
fi
fi
hostname > "$dir/etc/hostname"
cat <<EOF > "$dir/etc/hosts"
127.0.0.1 localhost
127.0.1.1 `hostname`
EOF
if [ "x$LFS_MIRROR" = x ]; then
cp wget-list "$dir/wget-list"
else
perl -M'Env' -lpe 's|^.*/|$LFS_MIRROR|' wget-list >"$dir/wget-list"
fi
# Unpack existing snapshot, or run pass1 of bootstrap and then make snapshot.
if ! "$snapshot" || ! has_pass pass2a
then
run_pass "$dir" pass1
fi
if ! "$snapshot" || ! has_pass pass2b
then
run_pass "$dir" pass2a
fi
run_pass "$dir" pass2b
snapshot=false run_pass "$dir" pass3
echo "Passes 1, 2, and 3 of bootstrap done (possibly cached)."
|
