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|
. /usr/share/debconf/confmodule
NBSP=' '
TAB=' '
NL='
'
ORIGINAL_IFS="${ORIGINAL_IFS:-$IFS}"; export ORIGINAL_IFS
restore_ifs () {
IFS="$ORIGINAL_IFS"
}
dirname () {
local x
x="${1%/}"
echo "${x%/*}"
}
basename () {
local x
x="${1%$2}"
x="${x%/}"
echo "${x##*/}"
}
debconf_select () {
local IFS priority template choices default_choice default x u newchoices code
priority="$1"
template="$2"
choices="$3"
default_choice="$4"
default=''
# Debconf ignores spaces so we have to remove them from $choices
newchoices=''
IFS="$NL"
for x in $choices; do
local key option
restore_ifs
key=$(echo ${x%$TAB*})
# work around bug #243373
if [ "$TERM" = xterm -o "$TERM" = bterm ]; then
debconf_select_lead="$NBSP"
else
debconf_select_lead="> "
fi
option=$(echo "${x#*$TAB}" | sed 's/ *$//g' | sed "s/^ /$debconf_select_lead/g")
newchoices="${newchoices}${NL}${key}${TAB}${option}"
if [ "$key" = "$default_choice" ]; then
default="$option"
fi
done
choices="$newchoices"
u=''
IFS="$NL"
# escape the commas and leading whitespace but keep them unescaped
# in $choices
for x in $choices; do
u="$u, `echo ${x#*$TAB} | sed 's/,/\\\\,/g' | sed 's/^ /\\\\ /'`"
done
u=${u#, }
if [ -n "$default" ]; then
db_set $template "$default"
fi
db_subst $template CHOICES "$u"
code=0
db_input $priority $template || code=1
db_go || return 255
db_get $template
IFS="$NL"
for x in $choices; do
if [ "$RET" = "${x#*$TAB}" ]; then
RET="${x%$TAB*}"
break
fi
done
return $code
}
menudir_default_choice () {
printf "%s__________%s\n" "$(basename $1/??$2)" "$3" > $1/default_choice
}
ask_user () {
local IFS dir template priority default choices plugin name option
dir="$1"; shift
template=$(cat $dir/question)
priority=$(cat $dir/priority)
if [ -f $dir/default_choice ]; then
default=$(cat $dir/default_choice)
else
default=""
fi
choices=$(
for plugin in $dir/*; do
[ -d $plugin ] || continue
name=$(basename $plugin)
IFS="$NL"
for option in $($plugin/choices "$@"); do
printf "%s__________%s\n" $name "$option"
done
restore_ifs
done
)
code=0
debconf_select $priority $template "$choices" "$default" || code=$?
if [ $code -ge 100 ]; then return 255; fi
echo "$RET" >$dir/default_choice
$dir/${RET%__________*}/do_option ${RET#*__________} "$@" || return $?
return 0
}
partition_tree_choices () {
local IFS
local whitespace_hack=""
for dev in $DEVICES/*; do
[ -d $dev ] || continue
printf "%s//\t%s\n" $dev "$(device_name $dev)" # GETTEXT?
cd $dev
open_dialog PARTITIONS
partitions="$(read_paragraph)"
close_dialog
IFS="$TAB"
echo "$partitions" |
while { read num id size type fs path name; [ "$id" ]; }; do
part=${dev}/$id
[ -f $part/view ] || continue
printf "%s//%s\t %s\n" "$dev" "$id" $(cat $part/view)
done
restore_ifs
done | while read line; do
# A hack to make sure each line in the table is unique and
# selectable by debconf -- pad lines with varying amounts of
# whitespace.
whitespace_hack="$NBSP$whitespace_hack"
echo "$line$whitespace_hack"
done
}
longint_le () {
local x y
# remove the leading 0
x=$(expr "$1" : '0*\(.*\)')
y=$(expr "$2" : '0*\(.*\)')
if [ ${#x} -lt ${#y} ]; then
return 0
elif [ ${#x} -gt ${#y} ]; then
return 1
elif [ "$x" = "$y" ]; then
return 0
elif [ "$x" '<' "$y" ]; then
return 0
else
return 1
fi
}
longint2human () {
local longint suffix bytes int frac deci
# fallback value for $deci:
deci="${deci:-.}"
case ${#1} in
1|2|3)
suffix=B
longint=${1}00
;;
4|5|6)
suffix=kB
longint=${1%?}
;;
7|8|9)
suffix=MB
longint=${1%????}
;;
10|11|12)
suffix=GB
longint=${1%???????}
;;
*)
suffix=TB
longint=${1%??????????}
;;
esac
longint=$(($longint + 5))
longint=${longint%?}
int=${longint%?}
frac=${longint#$int}
printf "%i%s%i %s\n" $int $deci $frac $suffix
}
human2longint () {
local human suffix int frac longint
set -- $*; human="$1$2$3$4$5" # without the spaces
human=${human%b} #remove last b
human=${human%B} #remove last B
suffix=${human#${human%?}} # the last symbol of $human
case $suffix in
k|K|m|M|g|G|t|T)
human=${human%$suffix}
;;
*)
suffix=''
;;
esac
int="${human%[.,]*}"
[ "$int" ] || int=0
frac=${human#$int}
frac="${frac#[.,]}0000" # to be sure there are at least 4 digits
frac=${frac%${frac#????}} # only the first 4 digits of $frac
longint=$(($int * 10000 + $frac))
case $suffix in
k|K)
longint=${longint%?}
;;
m|M)
longint=${longint}00
;;
g|G)
longint=${longint}00000
;;
t|T)
longint=${longint}00000000
;;
*) # no suffix:
# bytes
#longint=${longint%????}
#[ "$longint" ] || longint=0
# megabytes
longint=${longint}00
;;
esac
echo $longint
}
valid_human () {
local IFS patterns
patterns='[0-9][0-9]* *$
[0-9][0-9]* *[bB] *$
[0-9][0-9]* *[kKmMgGtT] *$
[0-9][0-9]* *[kKmMgGtT][bB] *$
[0-9]*[.,][0-9]* *$
[0-9]*[.,][0-9]* *[bB] *$
[0-9]*[.,][0-9]* *[kKmMgGtT] *$
[0-9]*[.,][0-9]* *[kKmMgGtT][bB] *$'
IFS="$NL"
for regex in $patterns; do
if expr "$1" : "$regex" >/dev/null; then return 0; fi
done
return 1
}
update_partition () {
local u
cd $1
open_dialog PARTITION_INFO $2
read_line part
close_dialog
[ "$part" ] || return 0
for u in /lib/partman/update.d/*; do
[ -x "$u" ] || continue
$u $1 $part
done
}
DEVICES=/var/lib/partman/devices
# 0, 1 and 2 are standard input, output and error.
# 3, 4 and 5 are used by cdebconf
# 6=infifo
# 7=outfifo
open_infifo() {
exec 6>/var/lib/partman/infifo
}
close_infifo() {
exec 6>&-
}
open_outfifo () {
exec 7</var/lib/partman/outfifo
}
close_outfifo () {
exec 7<&-
}
write_line () {
log IN: "$@"
echo "$@" >&6
}
read_line () {
read "$@" <&7
}
synchronise_with_server () {
exec 6>/var/lib/partman/stopfifo
exec 6>&-
}
read_paragraph () {
local line
while { read_line line; [ "$line" ]; }; do
log "paragraph: $line"
echo "$line"
done
}
read_list () {
local item list
list=''
while { read_line item; [ "$item" ]; }; do
log "option: $item"
if [ "$list" ]; then
list="$list, $item"
else
list="$item"
fi
done
echo "$list"
}
name_progress_bar () {
echo $1 >/var/lib/partman/progress_info
}
error_handler () {
local exception_type info state frac type priority message options skipped
while { read_line exception_type; [ "$exception_type" != OK ]; }; do
log error_handler: exception with type $exception_type
case "$exception_type" in
Timer)
if [ -f /var/lib/partman/progress_info ]; then
info=$(cat /var/lib/partman/progress_info)
else
info=partman/processing
fi
db_progress START 0 1000 partman/text/please_wait
db_progress INFO $info
while { read_line frac state; [ "$frac" != ready ]; }; do
if [ "$state" ]; then
db_subst $info STATE "$state"
db_progress INFO $info
fi
db_progress SET $frac
done
db_progress STOP
continue
;;
Information)
type='Information'
priority=low
;;
Warning)
type='Warning!'
priority=medium
;;
Error)
type='ERROR!!!'
priority=high
;;
Fatal)
type='FATAL ERROR!!!'
priority=critical
;;
Bug)
type='A bug has been discovered!!!'
priority=critical
;;
No?Implementation)
type='Not yet implemented!'
priority=critical
;;
*)
type="??? $exception_type ???"
priority=critical
;;
esac
log error_handler: reading message
message=$(read_paragraph)
log error_handler: reading options
options=$(read_list)
db_subst partman/exception_handler TYPE "$type"
db_subst partman/exception_handler DESCRIPTION "$message"
db_subst partman/exception_handler CHOICES "$options"
if
expr "$options" : '.*,.*' >/dev/null \
&& db_input $priority partman/exception_handler
then
if db_go; then
db_get partman/exception_handler
write_line "$RET"
else
write_line "unhandled"
fi
else
db_subst partman/exception_handler_note TYPE "$type"
db_subst partman/exception_handler_note DESCRIPTION "$message"
db_input $priority partman/exception_handler_note || true
db_go || true
write_line "unhandled"
fi
done
if [ -f /var/lib/partman/progress_info ]; then
rm /var/lib/partman/progress_info
fi
}
open_dialog () {
command="$1"
shift
open_infifo
write_line "$command" "${PWD##*/}" "$@"
open_outfifo
error_handler
}
close_dialog () {
close_outfifo
close_infifo
exec 6>/var/lib/partman/stopfifo
exec 6>&-
exec 7>/var/lib/partman/outfifo
exec 7>&-
exec 6>/var/lib/partman/stopfifo
exec 6>&-
exec 6</var/lib/partman/infifo
cat <&6 >/dev/null
exec 6<&-
exec 6>/var/lib/partman/stopfifo
exec 6>&-
}
log () {
local program
echo $0: "$@" >>/var/log/partman
}
####################################################################
# The functions below are not yet documented
####################################################################
# TODO: this should not be global
humandev () {
local host bus target part lun idenum targtype scsinum linux
case "$1" in
/dev/ide/host*/bus[01]/target[01]/lun0/disc)
host=`echo $1 | sed 's,/dev/ide/host\(.*\)/bus.*/target[01]/lun0/disc,\1,'`
bus=`echo $1 | sed 's,/dev/ide/host.*/bus\(.*\)/target[01]/lun0/disc,\1,'`
target=`echo $1 | sed 's,/dev/ide/host.*/bus.*/target\([01]\)/lun0/disc,\1,'`
idenum=$((2 * $host + $bus + 1))
linux=$(mapdevfs $1)
linux=${linux#/dev/}
if [ "$target" = 0 ]; then
db_metaget partman/text/ide_master_disk description
printf "$RET" ${idenum} ${linux}
else
db_metaget partman/text/ide_slave_disk description
printf "$RET" ${idenum} ${linux}
fi
;;
/dev/ide/host*/bus[01]/target[01]/lun0/part*)
host=`echo $1 | sed 's,/dev/ide/host\(.*\)/bus.*/target[01]/lun0/part.*,\1,'`
bus=`echo $1 | sed 's,/dev/ide/host.*/bus\(.*\)/target[01]/lun0/part.*,\1,'`
target=`echo $1 | sed 's,/dev/ide/host.*/bus.*/target\([01]\)/lun0/part.*,\1,'`
part=`echo $1 | sed 's,/dev/ide/host.*/bus.*/target[01]/lun0/part\(.*\),\1,'`
idenum=$((2 * $host + $bus + 1))
linux=$(mapdevfs $1)
linux=${linux#/dev/}
if [ "$target" = 0 ]; then
db_metaget partman/text/ide_master_partition description
printf "$RET" ${idenum} "$part" "${linux}"
else
db_metaget partman/text/ide_slave_partition description
printf "$RET" ${idenum} "$part" "${linux}"
fi
;;
/dev/scsi/host*/bus*/target*/lun*/disc)
host=`echo $1 | sed 's,/dev/scsi/host\(.*\)/bus.*/target.*/lun.*/disc,\1,'`
bus=`echo $1 | sed 's,/dev/scsi/host.*/bus\(.*\)/target.*/lun.*/disc,\1,'`
target=`echo $1 | sed 's,/dev/scsi/host.*/bus.*/target\(.*\)/lun.*/disc,\1,'`
lun=`echo $1 | sed 's,/dev/scsi/host.*/bus.*/target.*/lun\(.*\)/disc,\1,'`
scsinum=$(($host + 1))
linux=$(mapdevfs $1)
linux=${linux#/dev/}
db_metaget partman/text/scsi_disk description
printf "$RET" ${scsinum} ${bus} ${target} ${lun} ${linux}
;;
/dev/scsi/host*/bus*/target*/lun*/part*)
host=`echo $1 | sed 's,/dev/scsi/host\(.*\)/bus.*/target.*/lun.*/part.*,\1,'`
bus=`echo $1 | sed 's,/dev/scsi/host.*/bus\(.*\)/target.*/lun.*/part.*,\1,'`
target=`echo $1 | sed 's,/dev/scsi/host.*/bus.*/target\(.*\)/lun.*/part.*,\1,'`
lun=`echo $1 | sed 's,/dev/scsi/host.*/bus.*/target.*/lun\(.*\)/part.*,\1,'`
part=`echo $1 | sed 's,/dev/scsi/host.*/bus.*/target.*/lun.*/part\(.*\),\1,'`
scsinum=$(($host + 1))
linux=$(mapdevfs $1)
linux=${linux#/dev/}
db_metaget partman/text/scsi_partition description
printf "$RET" ${scsinum} ${bus} ${target} ${lun} ${part} ${linux}
;;
/dev/cciss/*)
# /dev/cciss/hostN/targetM/disc is 2.6 form
# /dev/cciss/discM/disk seems to be 2.4 form
line=`echo $1 | sed 's,/dev/cciss/\([a-z]*\)\([0-9]*\)/\(.*\),\1 \2 \3,'`
cont=`echo "$line" | cut -d" " -f2`
host=`echo "$line" | cut -d" " -f1`
line=`echo "$line" | cut -d" " -f3`
if [ "$host" = host ] ; then
line=`echo "$line" | sed 's,target\([0-9]*\)/\([a-z]*\)\(.*\),\1 \2 \3,'`
lun=`echo "$line" | cut -d" " -f1`
disc=`echo "$line" | cut -d" " -f2`
part=`echo "$line" | cut -d" " -f3`
else
line=`echo "$line" | sed 's,disc\([0-9]*\)/\([a-z]*\)\(.*\),\1 \2 \3,'`
lun=`echo "$line" | cut -d" " -f1`
if [ "$lun" > 15 ] ; then
cont=$(($lun / 16))
lun=$(($lun % 16))
else
cont=0
fi
disc=`echo "$line" | cut -d" " -f2`
part=`echo "$line" | cut -d" " -f3`
fi
linux=$(mapdevfs $1)
linux=${linux#/dev/}
if [ "$disc" = disc ] ; then
db_metaget partman/text/scsi_disk description
printf "$RET" ".CCISS" "-" ${cont} ${lun} ${linux}
else
db_metaget partman/text/scsi_partition description
printf "$RET" ".CCISS" "-" ${cont} ${lun} ${part} ${linux}
fi
;;
/dev/md/*)
device=`echo "$1" | sed -e "s/.*md\/\?\(.*\)/\1/"`
type=`grep "^md${device}[ :]" /proc/mdstat | sed -e "s/^.* : active raid\([[:alnum:]]\).*/\1/"`
db_metaget partman/text/raid_device description
printf "$RET" ${type} ${device}
;;
/dev/mapper/*)
# LVM2 devices are found as /dev/mapper/<vg>-<lv>. If the vg
# or lv contains a dash, the dash is replaced by two dashes.
# In order to decode this into vg and lv, first find the
# occurance of one single dash to split the string into vg and
# lv, and then replace two dashes next to each other with one.
vglv=${1#/dev/mapper/}
vglv=`echo "$vglv" | sed -e 's/\([^-]\)-\([^-]\)/\1 \2/' | sed -e 's/--/-/g'`
vg=`echo "$vglv" | cut -d" " -f1`
lv=`echo "$vglv" | cut -d" " -f2`
db_metaget partman/text/lvm_lv description
printf "$RET" $vg $lv
;;
/dev/loop/*)
n=${1#/dev/loop/}
db_metaget partman/text/loopback description
printf "$RET" $n
;;
*)
# Check if it's an LVM1 device
vg=`echo "$1" | sed -e 's,/dev/\([^/]\+\).*,\1,'`
lv=`echo "$1" | sed -e 's,/dev/[^/]\+/,,'`
if [ -e "/proc/lvm/VGs/$vg/LVs/$lv" ] ; then
db_metaget partman/text/lvm_lv description
printf "$RET" $vg $lv
else
echo "$1"
fi
;;
esac
}
device_name () {
cd $1
printf "%s - %s %s" "$(humandev $(cat device))" "$(longint2human $(cat size))" "$(cat model)"
}
enable_swap () {
local swaps dev num id size type fs path name method
local startdir="$(pwd)"
# do swapon only when we will be able to swapoff afterwards
[ -f /proc/swaps ] || return 0
swaps=''
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
method=$(cat $id/method)
if [ "$method" = swap ]; then
swaps="$swaps $path"
fi
done
close_dialog
done
for path in $swaps; do
swapon $path || true
done
cd "$startdir"
}
disable_swap () {
[ -f /proc/swaps ] || return 0
grep '^/dev' /proc/swaps \
| while read path x; do
swapoff $path
done
}
default_disk_label () {
if [ -x /bin/archdetect ]; then
archdetect=$(archdetect)
else
archdetect=unknown/generic
fi
arch=${archdetect%/*}
sub=${archdetect#*/}
case "$arch" in
alpha)
# Load srm_env.o if we can; this should fail on ARC-based systems.
(modprobe srm_env || true) 2> /dev/null
if [ -f /proc/srm_environment/named_variables/booted_dev ]; then
# Have SRM, so need BSD disklabels
echo bsd
else
echo msdos
fi;;
arm)
case "$sub" in
riscstation)
echo msdos;;
netwinder)
echo msdos;;
bast)
echo msdos;;
ads*)
echo msdos;;
*)
echo UNKNOWN;;
esac;;
amd64)
echo msdos;;
hppa)
echo msdos;;
ia64)
echo gpt;;
i386)
echo msdos;;
m68k)
case "$sub" in
amiga)
echo amiga;;
atari)
echo UNSUPPORTED;; # atari is unsupported by parted
mac)
echo mac;;
*vme*)
echo msdos;;
q40)
echo UNSUPPORTED;; # (same as atari)
sun*)
echo sun;;
*)
echo UNKNOWN;;
esac;;
mips)
case "$sub" in
# Indy
r4k-ip22 | r5k-ip22 | r8k-ip26 | r10k-ip28)
echo dvh;;
# Origin
r10k-ip27 | r12k-ip27)
echo dvh;;
# O2
r5k-ip32 | r10k-ip32 | r12k-ip32)
echo dvh;;
# SiByte SWARM
sb1-swarm-bn)
echo msdos;;
*)
echo UNKNOWN;;
esac;;
mipsel)
case "$sub" in
r3k-kn02)
echo msdos;;
r4k-kn04)
echo msdos;;
sb1-swarm-bn)
echo msdos;;
cobalt)
echo msdos;;
*)
echo UNKNOWN;;
esac;;
powerpc)
case "$sub" in
apus)
echo amiga;;
amiga)
echo amiga;;
chrp)
echo msdos;; # guess
chrp_rs6k)
echo msdos;; # guess
chrp_pegasos)
echo amiga;;
prep)
echo msdos;; # guess
powermac_newworld)
echo mac;;
powermac_oldworld)
echo mac;;
*)
echo UNKNOWN;;
esac;;
s390)
echo UNSUPPORTED;; # ibm is unsupported by parted
sparc)
echo sun;;
*)
echo UNKNOWN;;
esac
}
log '*******************************************************'
# Local Variables:
# coding: utf-8
# End:
|