2 # I, Ian Kelling, follow the GNU license recommendations at
3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
4 # recommend that small programs, < 300 lines, be licensed under the
5 # Apache License 2.0. This file contains or is part of one or more small
6 # programs. If a small program grows beyond 300 lines, I plan to switch
9 # Copyright 2024 Ian Kelling
11 # Licensed under the Apache License, Version 2.0 (the "License");
12 # you may not use this file except in compliance with the License.
13 # You may obtain a copy of the License at
15 # http://www.apache.org/licenses/LICENSE-2.0
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
24 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
25 shopt -s inherit_errexit
2>/dev
/null ||
: # ignore fail in bash < 4.4
27 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
28 source /a
/bin
/bash-bear-trap
/bash-bear
30 [[ $EUID == 0 ]] ||
exec sudo
-E "${BASH_SOURCE[0]}" "$@"
32 subvol
=$1 # eg ubuntubionic
35 if (( $# != 2 )); then
36 echo $0: error expected
2 arguments
40 # lots of this is taken from default.PARTITION
42 if (($
(nproc
) > 2)); then
46 rm -f $nr/etc
/{fs
,crypt}tab
47 while read -r line
; do
48 printf "%s none keyscript=decrypt_keyctl,discard,luks,initramfs\n" "$line" >>$nr/etc
/crypttab
49 done < <(awk '{print $1,$2}' /mnt
/root
/root2-crypttab
)
50 awk '$3 == "/dev/urandom" {print}' /etc
/crypttab
>>$nr/etc
/crypttab
53 rootdev
=$
(awk '$2 == "/mnt/root2" {print $1}' /mnt
/root
/root2-fstab
)
54 fstabstd
=x-systemd.device-timeout
=30s
,x-systemd.mount-timeout
=30s
55 bootdev
=$
(awk '$2 == "/mnt/boot2" {print $1}' /mnt
/root
/root2-fstab
)
58 cat >> $nr/etc
/fstab
<<EOF
59 $rootdev / btrfs $fstabstd,noatime,subvol=root_$subvol$mopts 0 0
60 $rootdev /mnt/root btrfs $fstabstd,noatime,subvolid=0$mopts 0 0
61 $bootdev /boot btrfs nofail,$fstabstd,noatime,subvol=boot_$subvol 0 0
62 $bootdev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
63 tmpfs /tmp tmpfs nodev,nosuid,size=50%,mode=1777 0 0
65 awk '$2 == "/boot/efi" {print}' /etc
/fstab
>>$nr/etc
/fstab
68 while read -r mdname
; do
69 cat >> $nr/etc
/fstab
<<EOF
70 /dev/mapper/$mdname none swap nofail,$fstabstd,sw 0 0
72 done < <(awk '$3 == "/dev/urandom" {print $1}' /etc
/crypttab
)