/lib/partman/commit.d/50format_btrfs 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 | #!/bin/sh
. /lib/partman/lib/base.sh
enable_swap
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
partitions=
open_dialog PARTITIONS
while { read_line num id size type fs path name; [ "$id" ]; }; do
[ "$fs" != free ] || continue
partitions="$partitions $id,$num"
done
close_dialog
for part in $partitions; do
id=${part%,*}
num=${part#*,}
[ -f $id/method -a -f $id/format \
-a -f $id/acting_filesystem ] || continue
filesystem=$(cat $id/acting_filesystem)
case $filesystem in
btrfs)
if [ -f $id/formatted ] && \
[ $id/formatted -nt $id/method ] && \
([ ! -f $id/filesystem ] || \
[ $id/formatted -nt $id/filesystem ]); then
continue
fi
log "Try to create file system for $dev/$id"
if [ -f $id/mountpoint ]; then
template=partman-basicfilesystems/progress_formatting_mountable
db_subst $template MOUNT_POINT "$(cat $id/mountpoint)"
else
template=partman-basicfilesystems/progress_formatting
fi
open_dialog PARTITION_INFO $id
read_line x1 x2 x3 x4 x5 device x6
close_dialog
RET=''
db_metaget partman/filesystem_short/"$filesystem" description || RET=''
[ "$RET" ] || RET="$filesystem"
db_subst $template TYPE "$RET"
db_subst $template PARTITION "$num"
db_subst $template DEVICE $(humandev $(cat device))
db_progress START 0 3 partman/text/formatting
db_progress INFO $template
db_progress SET 1
label=''
if [ -f $id/label ]; then
label=$(cat $id/label | \
sed 's/\(............\).*/\1/g')
fi
code=0
# Ensure label is quoted correctly
log-output -t partman --pass-stdout \
mkfs.btrfs -f ${label:+-L "$label"} \
$device >/dev/null || code=$?
sync
db_progress STOP
if [ "$code" != 0 ]; then
T=partman-basicfilesystems/create_failed
db_subst $T FILESYSTEM "$filesystem"
db_subst $T PARTITION "$num"
db_subst $T DEVICE $(humandev $(cat device))
db_input critical $T || true
db_go || true
#disable_swap
exit 1
fi
>$id/formatted
;;
esac
done
done
#disable_swap
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