/lib/partman/automatically_partition/15reuse/do_option is in ubiquity 18.04.14.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/bin/sh
set -e
. /lib/partman/lib/base.sh
dev=${1%//*}
id=${1#*//}
cd $dev
setup_reuse_partition () {
echo keep > $1/method
if [ -f $1/detected_filesystem ]; then
cp $1/detected_filesystem $1/filesystem
fi
mkdir -p $1/options
rm -f $1/format
>$1/use_filesystem
>$1/reuse
}
path=
cleanup_ro_partitions=
mountpoint="$(mktemp -d)"
cleanup () {
[ -e $mountpoint ] && umount -l $mountpoint && rmdir $mountpoint || true
for p in $cleanup_ro_partitions; do
blockdev --setrw $p || true
done
}
trap cleanup EXIT HUP INT QUIT TERM
setup_reuse_partition $id
echo / > $id/mountpoint
update_partition $dev $id
open_dialog PARTITION_INFO $id
read_line num i size type fs path name
close_dialog
mounted=
if type grub-mount >/dev/null 2>&1 && \
grub-mount "$path" "$mountpoint" 2>/dev/null 3>&- 6>&- 7<&-; then
mounted=1
else
blockdev --setro "$path" || continue
cleanup_ro_partitions="$cleanup_ro_partitions $path"
if mount -o ro "$path" "$mountpoint" 3>&- 6>&- 7<&-; then
mounted=1
fi
fi
if [ ! "$mounted" ] || [ ! -f "$mountpoint/etc/fstab" ]; then
exit 100
fi
fstab=
while read uuid mp rest; do
if [ "${uuid%=*}" != "UUID" ]; then
continue
fi
uuid="${uuid#*=}"
if [ ! -e "/dev/disk/by-uuid/$uuid" ]; then
continue
fi
fstab="$fstab $uuid,$mp"
done < "$mountpoint/etc/fstab"
for dev in $DEVICES/*; do
cd $dev
partitions=
open_dialog PARTITIONS
while { read_line num i size type fs p name; [ "$i" ]; }; do
if [ "$(cat $i/detected_filesystem)" = "linux-swap" ]; then
# Swap will be automatically used.
continue
fi
u="$(blkid -o value -s UUID $p)" || true
for line in $fstab; do
uuid="${line%,*}"
mp="${line#*,}"
if [ "$uuid" = "$u" ]; then
echo "$mp" > $i/mountpoint
partitions="$partitions $i"
break
fi
done
done
close_dialog
for part in $partitions; do
setup_reuse_partition $part
update_partition $dev $part
done
done
exit 100
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