109 lines
2.7 KiB
Bash
Executable File
109 lines
2.7 KiB
Bash
Executable File
#! /bin/sh
|
|
# Check that the root filesystem is large enough to hold /rofs.
|
|
. /lib/partman/lib/base.sh
|
|
|
|
db_get partman-auto/method
|
|
if [ "$RET" = loop ]; then
|
|
# Wubi does some of its own checks which help defend against this,
|
|
# and the delay imposed by this check looks particularly weird in
|
|
# Wubi.
|
|
exit 0
|
|
fi
|
|
|
|
# Fudge factors
|
|
rootfudge=200000000 # 200MB
|
|
bootmultfudge=3
|
|
|
|
partitions=
|
|
rofssum=0
|
|
rootrofssize=
|
|
rootsize=
|
|
|
|
parts=$(
|
|
for dev in $DEVICES/*; do
|
|
[ -d "$dev" ] || continue
|
|
cd $dev
|
|
open_dialog PARTITIONS
|
|
while { read_line num id size type fs path name; [ "$id" ]; }; do
|
|
[ "$fs" != free ] || continue
|
|
[ -f "$id/method" ] || continue
|
|
[ -f "$id/acting_filesystem" ] || continue
|
|
[ -f "$id/mountpoint" ] || continue
|
|
mountpoint="$(cat "$id/mountpoint")"
|
|
echo "$mountpoint,$size"
|
|
done
|
|
close_dialog
|
|
done | sort
|
|
)
|
|
|
|
seen=
|
|
for part in $parts; do
|
|
mountpoint="${part%,*}"
|
|
size="${part#*,}"
|
|
if [ "$mountpoint" = "/" ]; then
|
|
if [ -e /cdrom/casper/filesystem.size ]; then
|
|
rofssize="$(cat /cdrom/casper/filesystem.size)"
|
|
else
|
|
rofssize="$(du -s --block-size=1 /rofs | cut -f1)"
|
|
fi
|
|
rootrofssize="$rofssize"
|
|
rootsize="$size"
|
|
else
|
|
[ -d "/rofs$mountpoint" ] || continue
|
|
rofssize="$(du -s --block-size=1 /rofs$mountpoint | cut -f1)"
|
|
if [ "$mountpoint" = "/boot" ]; then
|
|
rofssize="$(expr $rofssize \* $bootmultfudge)"
|
|
else
|
|
# general fudge factor: add 20% for luck
|
|
rofssize="$(expr $rofssize \* 12 / 10)"
|
|
fi
|
|
if ! longint_le $rofssize $size ; then
|
|
partitions="${partitions:+$partitions, }$mountpoint $(longint2human $rofssize)"
|
|
fi
|
|
|
|
# Make sure that no parent of $mountpoint has been added to
|
|
# $rofssum yet, otherwise we'll produce an invalid size.
|
|
d="$(dirname $mountpoint)"
|
|
found=
|
|
if [ -n "$seen" ]; then
|
|
while :; do
|
|
if [ "$d" = / ]; then
|
|
break
|
|
fi
|
|
if echo "$seen" | grep -wqs "$d"; then
|
|
found=1
|
|
break
|
|
fi
|
|
d="$(dirname $d)"
|
|
done
|
|
fi
|
|
if [ -z "$found" ]; then
|
|
rofssum="$(expr $rofssum + $rofssize)"
|
|
seen="$seen $mountpoint"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
if [ -n "$rootrofssize" ]; then
|
|
rofs=$(expr $rootrofssize - $rofssum + $rootfudge)
|
|
if ! longint_le $rofs $rootsize ; then
|
|
partitions="/ $(longint2human $rofs)${partitions:+, $partitions}"
|
|
fi
|
|
fi
|
|
|
|
if [ -n "$partitions" ]; then
|
|
partitions="$(echo "$partitions" | sed -e 's/, /\n/g')"
|
|
db_capb escape
|
|
db_reset ubiquity/partition-too-small
|
|
db_subst ubiquity/partition-too-small PARTITIONS "$(printf %s "$partitions" | debconf-escape -e)"
|
|
db_capb
|
|
db_input critical ubiquity/partition-too-small || true
|
|
db_go || true
|
|
db_get ubiquity/partition-too-small
|
|
if [ "$RET" = true ]; then
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
exit 0
|