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|
# General functions related to committing changes to devices
# Calling scripts must ensure /lib/partman/lib/base.sh is sourced as well!
# List the changes that are about to be committed and let the user confirm first
confirm_changes () {
local dev part partitions num id size type fs path name filesystem
local x template partdesc partitems items formatted_previously
local device dmtype
template="$1"
# Compute the changes we are going to do
partitems=''
items=''
formatted_previously=no
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
open_dialog IS_CHANGED
read_line x
close_dialog
if [ "$x" = yes ]; then
partitems="${partitems} $(humandev $(cat device))
"
fi
partitions=
open_dialog PARTITIONS
while { read_line num id size type fs path name; [ "$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/visual_filesystem ] || continue
# if no filesystem (e.g. swap) should either be not
# formatted or formatted before the method is specified
[ -f $id/filesystem -o ! -f $id/formatted \
-o $id/formatted -ot $id/method ] || continue
# if it is already formatted filesystem it must be formatted
# before the method or filesystem is specified
[ ! -f $id/filesystem -o ! -f $id/formatted \
-o $id/formatted -ot $id/method \
-o $id/formatted -ot $id/filesystem ] ||
{
formatted_previously=yes
continue
}
filesystem=$(cat $id/visual_filesystem)
partdesc=""
# Special case d-m devices to use a different description
if cat device | grep -q "/dev/mapper" ; then
device=$(cat device)
# dmraid and multipath devices are partitioned
if [ ! -f sataraid ] && \
! is_multipath_dev $device && \
! is_multipath_part $device; then
partdesc="partman/text/confirm_unpartitioned_item"
fi
fi
if [ -z "$partdesc" ]; then
partdesc="partman/text/confirm_item"
db_subst $partdesc PARTITION "$num"
fi
db_subst $partdesc TYPE "$filesystem"
db_subst $partdesc DEVICE $(humandev $(cat device))
db_metaget $partdesc description
items="${items} ${RET}
"
done
done
if [ "$items" ]; then
db_metaget partman/text/confirm_item_header description
items="$RET
$items"
fi
if [ "$partitems" ]; then
db_metaget partman/text/confirm_partitem_header description
partitems="$RET
$partitems"
fi
if [ "$partitems$items" ]; then
if [ -z "$items" ]; then
x="$partitems"
elif [ -z "$partitems" ]; then
x="$items"
else
x="$partitems
$items"
fi
maybe_escape "$x" db_subst $template/confirm ITEMS
db_input critical $template/confirm
db_go || true
db_get $template/confirm
if [ "$RET" = false ]; then
db_reset $template/confirm
return 1
else
db_reset $template/confirm
return 0
fi
else
if [ "$formatted_previously" = no ]; then
db_input critical $template/confirm_nochanges
db_go || true
if [ $template = partman-dmraid ]; then
# for dmraid, only a note is displayed
return 1
fi
db_get $template/confirm_nochanges
if [ "$RET" = false ]; then
db_reset $template/confirm_nochanges
return 1
else
db_reset $template/confirm_nochanges
return 0
fi
else
return 0
fi
fi
}
# Remove directories for partitions that no longer exist
# Device directory must be current
device_cleanup_partitions () {
local partitions pdirs pdir
partitions=
open_dialog PARTITIONS
while { read_line x1 id x; [ "$id" ]; }; do
partitions="${partitions:+$partitions$NL}$id"
done
close_dialog
pdirs="$(find . -type d | cut -d/ -f2 | sort -u |
grep "^[0-9]\+-[0-9]\+$")"
for pdir in $pdirs; do
if ! echo "$partitions" | grep -q "^$pdir$"; then
rm -rf $pdir
fi
done
}
commit_changes () {
local template
template=$1
for s in /lib/partman/commit.d/*; do
if [ -x $s ]; then
$s || {
db_input critical $template || true
db_go || true
for s in /lib/partman/init.d/*; do
if [ -x $s ]; then
$s || return 255
fi
done
return 1
}
fi
done
return 0
}
|
