| 1 |
#!/bin/sh
|
| 2 |
|
| 3 |
. /lib/partman/definitions.sh
|
| 4 |
|
| 5 |
# If you are curious why partman-auto is so slow, it is because
|
| 6 |
# update-all is slow
|
| 7 |
update_all () {
|
| 8 |
local dev num id size type fs path name partitions
|
| 9 |
for dev in $DEVICES/*; do
|
| 10 |
[ -d "$dev" ] || continue
|
| 11 |
cd $dev
|
| 12 |
partitions=''
|
| 13 |
open_dialog PARTITIONS
|
| 14 |
while { read_line num id size type fs path name; [ "$id" ]; }; do
|
| 15 |
partitions="$partitions $id"
|
| 16 |
done
|
| 17 |
close_dialog
|
| 18 |
for id in $partitions; do
|
| 19 |
update_partition $dev $id
|
| 20 |
done
|
| 21 |
done
|
| 22 |
}
|
| 23 |
|
| 24 |
autopartitioning_failed () {
|
| 25 |
db_fset partman-auto/autopartitioning_failed seen false
|
| 26 |
db_input critical partman-auto/autopartitioning_failed || true
|
| 27 |
db_go || true
|
| 28 |
update_all
|
| 29 |
exit 1
|
| 30 |
}
|
| 31 |
|
| 32 |
unnamed=0
|
| 33 |
|
| 34 |
decode_recipe () {
|
| 35 |
local ram line word min factor max fs -
|
| 36 |
unnamed=$(($unnamed + 1))
|
| 37 |
ram=$(cat /proc/meminfo | grep ^Mem: | { read x y z; echo $y; }) # in bytes
|
| 38 |
ram=$(expr 000000"$ram" : '0*\(.*\)......$') # convert to megabytes
|
| 39 |
name="Unnamed.${unnamed}"
|
| 40 |
scheme=''
|
| 41 |
line=''
|
| 42 |
for word in $(cat $1); do
|
| 43 |
case $word in
|
| 44 |
:)
|
| 45 |
name=$line
|
| 46 |
line=''
|
| 47 |
;;
|
| 48 |
::)
|
| 49 |
db_metaget $line description
|
| 50 |
if [ "$RET" ]; then
|
| 51 |
name=$RET
|
| 52 |
else
|
| 53 |
name="Unnamed.${unnamed}"
|
| 54 |
fi
|
| 55 |
line=''
|
| 56 |
;;
|
| 57 |
.)
|
| 58 |
# we correct errors in order not to crash parted_server
|
| 59 |
set -- $line
|
| 60 |
if expr "$1" : '[0-9][0-9]*$' >/dev/null; then
|
| 61 |
min=$1
|
| 62 |
elif expr "$1" : '[0-9][0-9]*%$' >/dev/null; then
|
| 63 |
min=$(($ram * ${1%?} / 100))
|
| 64 |
else # error
|
| 65 |
min=2200000000 # there is no so big storage device jet
|
| 66 |
fi
|
| 67 |
if expr "$2" : '[0-9][0-9]*%$' >/dev/null; then
|
| 68 |
factor=$(($ram * ${2%?} / 100))
|
| 69 |
elif expr "$2" : '[0-9][0-9]*$' >/dev/null; then
|
| 70 |
factor=$2
|
| 71 |
else # error
|
| 72 |
factor=$min # do not enlarge the partition
|
| 73 |
fi
|
| 74 |
if [ "$factor" -lt "$min" ]; then
|
| 75 |
factor="$min"
|
| 76 |
fi
|
| 77 |
if expr "$3" : '[0-9][0-9]*$' >/dev/null; then
|
| 78 |
max=$3
|
| 79 |
elif expr "$3" : '[0-9][0-9]*%$' >/dev/null; then
|
| 80 |
max=$(($ram * ${3%?} / 100))
|
| 81 |
else # error
|
| 82 |
max=$min # do not enlarge the partition
|
| 83 |
fi
|
| 84 |
if [ "$max" -lt "$min" ]; then
|
| 85 |
max="$min"
|
| 86 |
fi
|
| 87 |
case "$4" in # allow only valid file systems
|
| 88 |
ext2|ext3|linux-swap|fat16|fat32)
|
| 89 |
fs="$4"
|
| 90 |
;;
|
| 91 |
*)
|
| 92 |
fs=ext2
|
| 93 |
;;
|
| 94 |
esac
|
| 95 |
shift; shift; shift; shift
|
| 96 |
line="$min $factor $max $fs $*"
|
| 97 |
if [ "$scheme" ]; then
|
| 98 |
scheme="${scheme}${NL}${line}"
|
| 99 |
else
|
| 100 |
scheme="$line"
|
| 101 |
fi
|
| 102 |
line=''
|
| 103 |
;;
|
| 104 |
*)
|
| 105 |
if [ "$line" ]; then
|
| 106 |
line="$line $word"
|
| 107 |
else
|
| 108 |
line="$word"
|
| 109 |
fi
|
| 110 |
esac
|
| 111 |
done
|
| 112 |
}
|
| 113 |
|
| 114 |
foreach_partition () {
|
| 115 |
local - doing IFS partition former last
|
| 116 |
doing=$1
|
| 117 |
IFS="$NL"
|
| 118 |
former=''
|
| 119 |
for partition in $scheme; do
|
| 120 |
restore_ifs
|
| 121 |
if [ "$former" ]; then
|
| 122 |
set -- $former
|
| 123 |
last=no
|
| 124 |
eval "$doing"
|
| 125 |
fi
|
| 126 |
former="$partition"
|
| 127 |
done
|
| 128 |
if [ "$former" ]; then
|
| 129 |
set -- $former
|
| 130 |
last=yes
|
| 131 |
eval "$doing"
|
| 132 |
fi
|
| 133 |
}
|
| 134 |
|
| 135 |
min_size () {
|
| 136 |
local size
|
| 137 |
size=0
|
| 138 |
foreach_partition '
|
| 139 |
size=$(($size + $1))'
|
| 140 |
echo $size
|
| 141 |
}
|
| 142 |
|
| 143 |
factor_sum () {
|
| 144 |
local factor
|
| 145 |
factor=0
|
| 146 |
foreach_partition '
|
| 147 |
factor=$(($factor + $2))'
|
| 148 |
echo $factor
|
| 149 |
}
|
| 150 |
|
| 151 |
partition_before () {
|
| 152 |
local num id size type fs path name result found
|
| 153 |
result=''
|
| 154 |
found=no
|
| 155 |
open_dialog PARTITIONS
|
| 156 |
while { read_line num id size type fs path name; [ "$id" ]; }; do
|
| 157 |
if [ "$id" = "$1" ]; then
|
| 158 |
found=yes
|
| 159 |
fi
|
| 160 |
if [ $found = no ]; then
|
| 161 |
result=$id
|
| 162 |
fi
|
| 163 |
done
|
| 164 |
close_dialog
|
| 165 |
echo $result
|
| 166 |
}
|
| 167 |
|
| 168 |
partition_after () {
|
| 169 |
local num id size type fs path name result found
|
| 170 |
result=''
|
| 171 |
found=no
|
| 172 |
open_dialog PARTITIONS
|
| 173 |
while { read_line num id size type fs path name; [ "$id" ]; }; do
|
| 174 |
if [ $found = yes -a -z "$result" ]; then
|
| 175 |
result=$id
|
| 176 |
fi
|
| 177 |
if [ "$id" = "$1" ]; then
|
| 178 |
found=yes
|
| 179 |
fi
|
| 180 |
done
|
| 181 |
close_dialog
|
| 182 |
echo $result
|
| 183 |
}
|
| 184 |
|
| 185 |
pull_primary () {
|
| 186 |
primary=''
|
| 187 |
logical=''
|
| 188 |
foreach_partition '
|
| 189 |
if
|
| 190 |
[ -z "$primary" ] \
|
| 191 |
&& echo $* | grep '\''\$primary{'\'' >/dev/null
|
| 192 |
then
|
| 193 |
primary="$*"
|
| 194 |
else
|
| 195 |
if [ -z "$logical" ]; then
|
| 196 |
logical="$*"
|
| 197 |
else
|
| 198 |
logical="${logical}${NL}$*"
|
| 199 |
fi
|
| 200 |
fi'
|
| 201 |
}
|
| 202 |
|
| 203 |
setup_partition () {
|
| 204 |
local id flags file line
|
| 205 |
id=$1; shift
|
| 206 |
while [ "$1" ]; do
|
| 207 |
case "$1" in
|
| 208 |
\$bootable{)
|
| 209 |
while [ "$1" != '}' -a "$1" ]; do
|
| 210 |
shift
|
| 211 |
done
|
| 212 |
open_dialog GET_FLAGS $id
|
| 213 |
flags=$(read_paragraph)
|
| 214 |
close_dialog
|
| 215 |
open_dialog SET_FLAGS $id
|
| 216 |
write_line "$flags"
|
| 217 |
write_line boot
|
| 218 |
write_line NO_MORE
|
| 219 |
close_dialog
|
| 220 |
;;
|
| 221 |
\$*{)
|
| 222 |
while [ "$1" != '}' -a "$1" ]; do
|
| 223 |
shift
|
| 224 |
done
|
| 225 |
;;
|
| 226 |
*{)
|
| 227 |
file=${1%?}
|
| 228 |
[ -d $id ] || mkdir $id
|
| 229 |
>$id/$file
|
| 230 |
shift
|
| 231 |
line=''
|
| 232 |
while [ "$1" != '}' -a "$1" ]; do
|
| 233 |
if [ "$1" = ';' ]; then
|
| 234 |
echo "$line" >>$id/$file
|
| 235 |
else
|
| 236 |
if [ "$line" ]; then
|
| 237 |
line="$line $1"
|
| 238 |
else
|
| 239 |
line="$1"
|
| 240 |
fi
|
| 241 |
fi
|
| 242 |
shift
|
| 243 |
done
|
| 244 |
echo "$line" >>$id/$file
|
| 245 |
esac
|
| 246 |
shift
|
| 247 |
done
|
| 248 |
return 0
|
| 249 |
}
|
| 250 |
|
| 251 |
# Let us be safe and update the directories
|
| 252 |
update_all
|
| 253 |
|
| 254 |
dev=$1
|
| 255 |
free_space=$2
|
| 256 |
|
| 257 |
cd $dev
|
| 258 |
open_dialog PARTITION_INFO $free_space
|
| 259 |
read_line x1 x2 free_size free_type x3 x4 x5
|
| 260 |
close_dialog
|
| 261 |
|
| 262 |
if [ "$free_type" = unusable ]; then
|
| 263 |
db_fset partman-auto/unusable_space seen false
|
| 264 |
db_input critical partman-auto/unusable_space || true
|
| 265 |
db_go || true
|
| 266 |
exit 1
|
| 267 |
fi
|
| 268 |
|
| 269 |
free_size=$(expr 000000"$free_size" : '0*\(.*\)......$') # convert to megabytes
|
| 270 |
|
| 271 |
choices=''
|
| 272 |
for recipe in /lib/partman/recipes/*; do
|
| 273 |
[ -f "$recipe" ] || continue
|
| 274 |
decode_recipe $recipe
|
| 275 |
if [ $(min_size) -le $free_size ]; then
|
| 276 |
choices="${choices}${recipe}${TAB}${name}${NL}"
|
| 277 |
fi
|
| 278 |
done
|
| 279 |
|
| 280 |
db_metaget partman-auto/text/expert_recipe description
|
| 281 |
choices="${choices}expert${TAB}${RET}"
|
| 282 |
|
| 283 |
db_fset partman-auto/choose_recipe seen false
|
| 284 |
debconf_select high partman-auto/choose_recipe "$choices" no_default
|
| 285 |
if [ "$?" = 255 ]; then
|
| 286 |
exit 0
|
| 287 |
fi
|
| 288 |
|
| 289 |
case $RET in
|
| 290 |
expert)
|
| 291 |
db_fset partman-auto/expert_recipe seen false
|
| 292 |
db_input critical partman-auto/expert_recipe || true
|
| 293 |
if ! db_go; then
|
| 294 |
exit 1
|
| 295 |
fi
|
| 296 |
decode_recipe $RET
|
| 297 |
;;
|
| 298 |
*)
|
| 299 |
decode_recipe $RET
|
| 300 |
;;
|
| 301 |
esac
|
| 302 |
|
| 303 |
|
| 304 |
# Make factors small numbers so we can multiply on them.
|
| 305 |
# Also ensure that fact, max and fs are valid
|
| 306 |
# (Ofcourse in valid recipes they must be valid.)
|
| 307 |
factsum=$(($(factor_sum) - $(min_size)))
|
| 308 |
scheme=$(
|
| 309 |
foreach_partition '
|
| 310 |
local min fact max fs
|
| 311 |
min=$1
|
| 312 |
fact=$((($2 - $min) * 100 / $factsum))
|
| 313 |
max=$3
|
| 314 |
fs=$4
|
| 315 |
case "$fs" in
|
| 316 |
ext2|ext3|linux-swap|fat16|fat32)
|
| 317 |
true
|
| 318 |
;;
|
| 319 |
*)
|
| 320 |
fs=ext2
|
| 321 |
;;
|
| 322 |
esac
|
| 323 |
shift; shift; shift; shift
|
| 324 |
echo $min $fact $max $fs $*'
|
| 325 |
)
|
| 326 |
|
| 327 |
oldscheme=''
|
| 328 |
while [ "$scheme" != "$oldscheme" ]; do
|
| 329 |
oldscheme="$scheme"
|
| 330 |
factsum=$(factor_sum)
|
| 331 |
unallocated=$(($free_size - $(min_size)))
|
| 332 |
if [ $unallocated -lt 0 ]; then
|
| 333 |
unallocated=0
|
| 334 |
fi
|
| 335 |
scheme=$(
|
| 336 |
foreach_partition '
|
| 337 |
local min fact max newmin
|
| 338 |
min=$1
|
| 339 |
fact=$2
|
| 340 |
max=$3
|
| 341 |
shift; shift; shift
|
| 342 |
newmin=$(($min + $unallocated * $fact / $factsum))
|
| 343 |
if [ $newmin -le $max ]; then
|
| 344 |
echo $newmin $fact $max $*
|
| 345 |
else
|
| 346 |
echo $max 0 $max $*
|
| 347 |
fi'
|
| 348 |
)
|
| 349 |
done
|
| 350 |
|
| 351 |
while
|
| 352 |
[ "$free_type" = pri/log ] \
|
| 353 |
&& echo $scheme | grep '\$primary{' >/dev/null
|
| 354 |
do
|
| 355 |
pull_primary
|
| 356 |
set -- $primary
|
| 357 |
open_dialog NEW_PARTITION primary $4 $free_space beginning ${1}000001
|
| 358 |
read_line num id size type fs path name
|
| 359 |
close_dialog
|
| 360 |
if [ -z "$id" ]; then
|
| 361 |
autopartitioning_failed
|
| 362 |
fi
|
| 363 |
neighbour=$(partition_after $id)
|
| 364 |
if [ "$neighbour" ]; then
|
| 365 |
open_dialog PARTITION_INFO $neighbour
|
| 366 |
read_line x1 new_free_space x2 new_free_type fs x3 x4
|
| 367 |
close_dialog
|
| 368 |
fi
|
| 369 |
if
|
| 370 |
[ -z "$neighbour" -o "$fs" != free \
|
| 371 |
-o "$new_free_type" = primary -o "$new_free_type" = unusable ]
|
| 372 |
then
|
| 373 |
open_dialog DELETE_PARTITION $id
|
| 374 |
close_dialog
|
| 375 |
open_dialog NEW_PARTITION primary $4 $free_space end ${1}000001
|
| 376 |
read_line num id size type fs path name
|
| 377 |
close_dialog
|
| 378 |
if [ -z "$id" ]; then
|
| 379 |
autopartitioning_failed
|
| 380 |
fi
|
| 381 |
neighbour=$(partition_before $id)
|
| 382 |
if [ "$neighbour" ]; then
|
| 383 |
open_dialog PARTITION_INFO $neighbour
|
| 384 |
read_line x1 new_free_space x2 new_free_type fs x3 x4
|
| 385 |
close_dialog
|
| 386 |
fi
|
| 387 |
if
|
| 388 |
[ -z "$neighbour" -o "$fs" != free -o "$new_free_type" = unusable ]
|
| 389 |
then
|
| 390 |
open_dialog DELETE_PARTITION $id
|
| 391 |
close_dialog
|
| 392 |
break
|
| 393 |
fi
|
| 394 |
fi
|
| 395 |
shift; shift; shift; shift
|
| 396 |
setup_partition $id $*
|
| 397 |
primary=''
|
| 398 |
scheme="$logical"
|
| 399 |
free_space=$new_free_space
|
| 400 |
free_type="$new_free_type"
|
| 401 |
done
|
| 402 |
|
| 403 |
foreach_partition '
|
| 404 |
if [ -z "$free_space" ]; then
|
| 405 |
autopartitioning_failed
|
| 406 |
fi
|
| 407 |
open_dialog PARTITION_INFO $free_space
|
| 408 |
read_line x1 free_space x2 free_type fs x3 x4
|
| 409 |
close_dialog
|
| 410 |
if [ "$fs" != free ]; then
|
| 411 |
free_type=unusable
|
| 412 |
fi
|
| 413 |
case "$free_type" in
|
| 414 |
primary|logical)
|
| 415 |
type="$free_type"
|
| 416 |
;;
|
| 417 |
pri/log)
|
| 418 |
type=logical
|
| 419 |
;;
|
| 420 |
unusable)
|
| 421 |
autopartitioning_failed
|
| 422 |
;;
|
| 423 |
esac
|
| 424 |
if [ "$last" = yes ]; then
|
| 425 |
open_dialog NEW_PARTITION $type $4 $free_space full ${1}000001
|
| 426 |
else
|
| 427 |
open_dialog NEW_PARTITION $type $4 $free_space beginning ${1}000001
|
| 428 |
fi
|
| 429 |
read_line num id size type fs path name
|
| 430 |
close_dialog
|
| 431 |
if [ -z "$id" ]; then
|
| 432 |
autopartitioning_failed
|
| 433 |
fi
|
| 434 |
shift; shift; shift; shift
|
| 435 |
setup_partition $id $*
|
| 436 |
free_space=$(partition_after $id)'
|
| 437 |
|
| 438 |
update_all
|
Parent Directory
| 
Revision Log