| 0 | 0 |
#!/bin/sh
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| 1 | 1 |
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| 2 | |
. /lib/partman/definitions.sh
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| 3 | |
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| 4 | |
# If you are curious why partman-auto is so slow, it is because
|
| 5 | |
# update-all is slow
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| 6 | |
update_all () {
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| 7 | |
local dev num id size type fs path name partitions
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| 8 | |
for dev in $DEVICES/*; do
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| 9 | |
[ -d "$dev" ] || continue
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| 10 | |
cd $dev
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| 11 | |
partitions=''
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| 12 | |
open_dialog PARTITIONS
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| 13 | |
while { read_line num id size type fs path name; [ "$id" ]; }; do
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| 14 | |
partitions="$partitions $id"
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| 15 | |
done
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| 16 | |
close_dialog
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| 17 | |
for id in $partitions; do
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| 18 | |
update_partition $dev $id
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| 19 | |
done
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| 20 | |
done
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| 21 | |
}
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| 22 | |
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| 23 | |
autopartitioning_failed () {
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| 24 | |
db_fset partman-auto/autopartitioning_failed seen false
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| 25 | |
db_input critical partman-auto/autopartitioning_failed || true
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| 26 | |
db_go || true
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| 27 | |
update_all
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| 28 | |
exit 1
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| 29 | |
}
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| 30 | |
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| 31 | |
unnamed=0
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| 32 | |
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| 33 | |
decode_recipe () {
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| 34 | |
local ram line word min factor max fs -
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| 35 | |
unnamed=$(($unnamed + 1))
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| 36 | |
ram=$(cat /proc/meminfo | grep ^Mem: | { read x y z; echo $y; }) # in bytes
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| 37 | |
ram=$(expr 000000"$ram" : '0*\(.*\)......$') # convert to megabytes
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| 38 | |
name="Unnamed.${unnamed}"
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| 39 | |
scheme=''
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| 40 | |
line=''
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| 41 | |
for word in $(cat $1); do
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| 42 | |
case $word in
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| 43 | |
:)
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| 44 | |
name=$line
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| 45 | |
line=''
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| 46 | |
;;
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| 47 | |
::)
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| 48 | |
db_metaget $line description
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| 49 | |
if [ "$RET" ]; then
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| 50 | |
name=$RET
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| 51 | |
else
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| 52 | |
name="Unnamed.${unnamed}"
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| 53 | |
fi
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| 54 | |
line=''
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| 55 | |
;;
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| 56 | |
.)
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| 57 | |
# we correct errors in order not to crash parted_server
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| 58 | |
set -- $line
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| 59 | |
if expr "$1" : '[0-9][0-9]*$' >/dev/null; then
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| 60 | |
min=$1
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| 61 | |
elif expr "$1" : '[0-9][0-9]*%$' >/dev/null; then
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| 62 | |
min=$(($ram * ${1%?} / 100))
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| 63 | |
else # error
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| 64 | |
min=2200000000 # there is no so big storage device jet
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| 65 | |
fi
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| 66 | |
if expr "$2" : '[0-9][0-9]*%$' >/dev/null; then
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| 67 | |
factor=$(($ram * ${2%?} / 100))
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| 68 | |
elif expr "$2" : '[0-9][0-9]*$' >/dev/null; then
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| 69 | |
factor=$2
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| 70 | |
else # error
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| 71 | |
factor=$min # do not enlarge the partition
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| 72 | |
fi
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| 73 | |
if [ "$factor" -lt "$min" ]; then
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| 74 | |
factor="$min"
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| 75 | |
fi
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| 76 | |
if expr "$3" : '[0-9][0-9]*$' >/dev/null; then
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| 77 | |
max=$3
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| 78 | |
elif expr "$3" : '[0-9][0-9]*%$' >/dev/null; then
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| 79 | |
max=$(($ram * ${3%?} / 100))
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| 80 | |
else # error
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| 81 | |
max=$min # do not enlarge the partition
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| 82 | |
fi
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| 83 | |
if [ "$max" -lt "$min" ]; then
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| 84 | |
max="$min"
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| 85 | |
fi
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| 86 | |
case "$4" in # allow only valid file systems
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| 87 | |
ext2|ext3|linux-swap|fat16|fat32)
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| 88 | |
fs="$4"
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| 89 | |
;;
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| 90 | |
*)
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| 91 | |
fs=ext2
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| 92 | |
;;
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| 93 | |
esac
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| 94 | |
shift; shift; shift; shift
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| 95 | |
line="$min $factor $max $fs $*"
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| 96 | |
if [ "$scheme" ]; then
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| 97 | |
scheme="${scheme}${NL}${line}"
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else
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scheme="$line"
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| 100 | |
fi
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| 101 | |
line=''
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| 102 | |
;;
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| 103 | |
*)
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| 104 | |
if [ "$line" ]; then
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| 105 | |
line="$line $word"
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| 106 | |
else
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| 107 | |
line="$word"
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| 108 | |
fi
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| 109 | |
esac
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| 110 | |
done
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| 111 | |
}
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| 112 | |
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| 113 | |
foreach_partition () {
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| 114 | |
local - doing IFS partition former last
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| 115 | |
doing=$1
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| 116 | |
IFS="$NL"
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| 117 | |
former=''
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| 118 | |
for partition in $scheme; do
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| 119 | |
restore_ifs
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| 120 | |
if [ "$former" ]; then
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| 121 | |
set -- $former
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| 122 | |
last=no
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| 123 | |
eval "$doing"
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| 124 | |
fi
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| 125 | |
former="$partition"
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| 126 | |
done
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| 127 | |
if [ "$former" ]; then
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| 128 | |
set -- $former
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| 129 | |
last=yes
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| 130 | |
eval "$doing"
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| 131 | |
fi
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| 132 | |
}
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| 133 | |
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| 134 | |
min_size () {
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| 135 | |
local size
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| 136 | |
size=0
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| 137 | |
foreach_partition '
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| 138 | |
size=$(($size + $1))'
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| 139 | |
echo $size
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| 140 | |
}
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| 141 | |
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| 142 | |
factor_sum () {
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| 143 | |
local factor
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| 144 | |
factor=0
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| 145 | |
foreach_partition '
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| 146 | |
factor=$(($factor + $2))'
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| 147 | |
echo $factor
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| 148 | |
}
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| 149 | |
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| 150 | |
partition_before () {
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| 151 | |
local num id size type fs path name result found
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| 152 | |
result=''
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| 153 | |
found=no
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| 154 | |
open_dialog PARTITIONS
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| 155 | |
while { read_line num id size type fs path name; [ "$id" ]; }; do
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| 156 | |
if [ "$id" = "$1" ]; then
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| 157 | |
found=yes
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| 158 | |
fi
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| 159 | |
if [ $found = no ]; then
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| 160 | |
result=$id
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| 161 | |
fi
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| 162 | |
done
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| 163 | |
close_dialog
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| 164 | |
echo $result
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| 165 | |
}
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| 166 | |
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| 167 | |
partition_after () {
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| 168 | |
local num id size type fs path name result found
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result=''
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| 170 | |
found=no
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| 171 | |
open_dialog PARTITIONS
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| 172 | |
while { read_line num id size type fs path name; [ "$id" ]; }; do
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| 173 | |
if [ $found = yes -a -z "$result" ]; then
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| 174 | |
result=$id
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| 175 | |
fi
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| 176 | |
if [ "$id" = "$1" ]; then
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| 177 | |
found=yes
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| 178 | |
fi
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| 179 | |
done
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| 180 | |
close_dialog
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| 181 | |
echo $result
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| 182 | |
}
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| 183 | |
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| 184 | |
pull_primary () {
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| 185 | |
primary=''
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| 186 | |
logical=''
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| 187 | |
foreach_partition '
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| 188 | |
if
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| 189 | |
[ -z "$primary" ] \
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| 190 | |
&& echo $* | grep '\''\$primary{'\'' >/dev/null
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| 191 | |
then
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| 192 | |
primary="$*"
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| 193 | |
else
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| 194 | |
if [ -z "$logical" ]; then
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| 195 | |
logical="$*"
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| 196 | |
else
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| 197 | |
logical="${logical}${NL}$*"
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| 198 | |
fi
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| 199 | |
fi'
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| 200 | |
}
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| 201 | |
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| 202 | |
setup_partition () {
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| 203 | |
local id flags file line
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| 204 | |
id=$1; shift
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| 205 | |
while [ "$1" ]; do
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| 206 | |
case "$1" in
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| 207 | |
\$bootable{)
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| 208 | |
while [ "$1" != '}' -a "$1" ]; do
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| 209 | |
shift
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| 210 | |
done
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| 211 | |
open_dialog GET_FLAGS $id
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| 212 | |
flags=$(read_paragraph)
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| 213 | |
close_dialog
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| 214 | |
open_dialog SET_FLAGS $id
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| 215 | |
write_line "$flags"
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| 216 | |
write_line boot
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| 217 | |
write_line NO_MORE
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| 218 | |
close_dialog
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| 219 | |
;;
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| 220 | |
\$*{)
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| 221 | |
while [ "$1" != '}' -a "$1" ]; do
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| 222 | |
shift
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| 223 | |
done
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| 224 | |
;;
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| 225 | |
*{)
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| 226 | |
file=${1%?}
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| 227 | |
[ -d $id ] || mkdir $id
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| 228 | |
>$id/$file
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| 229 | |
shift
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| 230 | |
line=''
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| 231 | |
while [ "$1" != '}' -a "$1" ]; do
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| 232 | |
if [ "$1" = ';' ]; then
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| 233 | |
echo "$line" >>$id/$file
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| 234 | |
else
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| 235 | |
if [ "$line" ]; then
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| 236 | |
line="$line $1"
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| 237 | |
else
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| 238 | |
line="$1"
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| 239 | |
fi
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| 240 | |
fi
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| 241 | |
shift
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| 242 | |
done
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| 243 | |
echo "$line" >>$id/$file
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| 244 | |
esac
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| 245 | |
shift
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| 246 | |
done
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| 247 | |
return 0
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| 248 | |
}
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| 249 | |
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| 250 | |
# Let us be safe and update the directories
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| 251 | |
update_all
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2 |
. /lib/partman/recipes.sh
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| 252 | 3 |
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| 253 | 4 |
dev=$1
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| 254 | 5 |
free_space=$2
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| 255 | 6 |
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| 256 | 7 |
cd $dev
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| 257 | 8 |
open_dialog PARTITION_INFO $free_space
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| 258 | |
read_line x1 x2 free_size free_type x3 x4 x5
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9 |
read_line x1 x2 free_size x3 x4 x5 x6
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| 259 | 10 |
close_dialog
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| 260 | |
|
| 261 | |
if [ "$free_type" = unusable ]; then
|
| 262 | |
db_fset partman-auto/unusable_space seen false
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| 263 | |
db_input critical partman-auto/unusable_space || true
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| 264 | |
db_go || true
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| 265 | |
exit 1
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| 266 | |
fi
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| 267 | 11 |
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| 268 | 12 |
free_size=$(expr 000000"$free_size" : '0*\(.*\)......$') # convert to megabytes
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| 269 | 13 |
|
| 270 | |
choices=''
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| 271 | |
for recipe in /lib/partman/recipes/*; do
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| 272 | |
[ -f "$recipe" ] || continue
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| 273 | |
decode_recipe $recipe
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| 274 | |
if [ $(min_size) -le $free_size ]; then
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| 275 | |
choices="${choices}${recipe}${TAB}${name}${NL}"
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| 276 | |
fi
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| 277 | |
done
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14 |
choose_recipe "$free_size" || exit $?
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| 278 | 15 |
|
| 279 | |
#db_metaget partman-auto/text/expert_recipe description
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| 280 | |
#choices="${choices}expert${TAB}${RET}"
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| 281 | |
|
| 282 | |
db_fset partman-auto/choose_recipe seen false
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| 283 | |
debconf_select high partman-auto/choose_recipe "$choices" no_default
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| 284 | |
if [ "$?" = 255 ]; then
|
| 285 | |
exit 0
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| 286 | |
fi
|
| 287 | |
|
| 288 | |
case $RET in
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| 289 | |
expert)
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| 290 | |
db_fset partman-auto/expert_recipe seen false
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| 291 | |
db_input critical partman-auto/expert_recipe || true
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| 292 | |
if ! db_go; then
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| 293 | |
exit 1
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| 294 | |
fi
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| 295 | |
decode_recipe $RET
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| 296 | |
;;
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| 297 | |
*)
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| 298 | |
decode_recipe $RET
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| 299 | |
;;
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| 300 | |
esac
|
| 301 | |
|
| 302 | |
|
| 303 | |
# Make factors small numbers so we can multiply on them.
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| 304 | |
# Also ensure that fact, max and fs are valid
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| 305 | |
# (Ofcourse in valid recipes they must be valid.)
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| 306 | |
factsum=$(($(factor_sum) - $(min_size)))
|
| 307 | |
scheme=$(
|
| 308 | |
foreach_partition '
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| 309 | |
local min fact max fs
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| 310 | |
min=$1
|
| 311 | |
fact=$((($2 - $min) * 100 / $factsum))
|
| 312 | |
max=$3
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| 313 | |
fs=$4
|
| 314 | |
case "$fs" in
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| 315 | |
ext2|ext3|linux-swap|fat16|fat32)
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| 316 | |
true
|
| 317 | |
;;
|
| 318 | |
*)
|
| 319 | |
fs=ext2
|
| 320 | |
;;
|
| 321 | |
esac
|
| 322 | |
shift; shift; shift; shift
|
| 323 | |
echo $min $fact $max $fs $*'
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| 324 | |
)
|
| 325 | |
|
| 326 | |
oldscheme=''
|
| 327 | |
while [ "$scheme" != "$oldscheme" ]; do
|
| 328 | |
oldscheme="$scheme"
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| 329 | |
factsum=$(factor_sum)
|
| 330 | |
unallocated=$(($free_size - $(min_size)))
|
| 331 | |
if [ $unallocated -lt 0 ]; then
|
| 332 | |
unallocated=0
|
| 333 | |
fi
|
| 334 | |
scheme=$(
|
| 335 | |
foreach_partition '
|
| 336 | |
local min fact max newmin
|
| 337 | |
min=$1
|
| 338 | |
fact=$2
|
| 339 | |
max=$3
|
| 340 | |
shift; shift; shift
|
| 341 | |
newmin=$(($min + $unallocated * $fact / $factsum))
|
| 342 | |
if [ $newmin -le $max ]; then
|
| 343 | |
echo $newmin $fact $max $*
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| 344 | |
else
|
| 345 | |
echo $max 0 $max $*
|
| 346 | |
fi'
|
| 347 | |
)
|
| 348 | |
done
|
| 349 | |
|
| 350 | |
while
|
| 351 | |
[ "$free_type" = pri/log ] \
|
| 352 | |
&& echo $scheme | grep '\$primary{' >/dev/null
|
| 353 | |
do
|
| 354 | |
pull_primary
|
| 355 | |
set -- $primary
|
| 356 | |
open_dialog NEW_PARTITION primary $4 $free_space beginning ${1}000001
|
| 357 | |
read_line num id size type fs path name
|
| 358 | |
close_dialog
|
| 359 | |
if [ -z "$id" ]; then
|
| 360 | |
autopartitioning_failed
|
| 361 | |
fi
|
| 362 | |
neighbour=$(partition_after $id)
|
| 363 | |
if [ "$neighbour" ]; then
|
| 364 | |
open_dialog PARTITION_INFO $neighbour
|
| 365 | |
read_line x1 new_free_space x2 new_free_type fs x3 x4
|
| 366 | |
close_dialog
|
| 367 | |
fi
|
| 368 | |
if
|
| 369 | |
[ -z "$neighbour" -o "$fs" != free \
|
| 370 | |
-o "$new_free_type" = primary -o "$new_free_type" = unusable ]
|
| 371 | |
then
|
| 372 | |
open_dialog DELETE_PARTITION $id
|
| 373 | |
close_dialog
|
| 374 | |
open_dialog NEW_PARTITION primary $4 $free_space end ${1}000001
|
| 375 | |
read_line num id size type fs path name
|
| 376 | |
close_dialog
|
| 377 | |
if [ -z "$id" ]; then
|
| 378 | |
autopartitioning_failed
|
| 379 | |
fi
|
| 380 | |
neighbour=$(partition_before $id)
|
| 381 | |
if [ "$neighbour" ]; then
|
| 382 | |
open_dialog PARTITION_INFO $neighbour
|
| 383 | |
read_line x1 new_free_space x2 new_free_type fs x3 x4
|
| 384 | |
close_dialog
|
| 385 | |
fi
|
| 386 | |
if
|
| 387 | |
[ -z "$neighbour" -o "$fs" != free -o "$new_free_type" = unusable ]
|
| 388 | |
then
|
| 389 | |
open_dialog DELETE_PARTITION $id
|
| 390 | |
close_dialog
|
| 391 | |
break
|
| 392 | |
fi
|
| 393 | |
fi
|
| 394 | |
shift; shift; shift; shift
|
| 395 | |
setup_partition $id $*
|
| 396 | |
primary=''
|
| 397 | |
scheme="$logical"
|
| 398 | |
free_space=$new_free_space
|
| 399 | |
free_type="$new_free_type"
|
| 400 | |
done
|
| 401 | |
|
| 402 | |
foreach_partition '
|
| 403 | |
if [ -z "$free_space" ]; then
|
| 404 | |
autopartitioning_failed
|
| 405 | |
fi
|
| 406 | |
open_dialog PARTITION_INFO $free_space
|
| 407 | |
read_line x1 free_space x2 free_type fs x3 x4
|
| 408 | |
close_dialog
|
| 409 | |
if [ "$fs" != free ]; then
|
| 410 | |
free_type=unusable
|
| 411 | |
fi
|
| 412 | |
case "$free_type" in
|
| 413 | |
primary|logical)
|
| 414 | |
type="$free_type"
|
| 415 | |
;;
|
| 416 | |
pri/log)
|
| 417 | |
type=logical
|
| 418 | |
;;
|
| 419 | |
unusable)
|
| 420 | |
autopartitioning_failed
|
| 421 | |
;;
|
| 422 | |
esac
|
| 423 | |
if [ "$last" = yes ]; then
|
| 424 | |
open_dialog NEW_PARTITION $type $4 $free_space full ${1}000001
|
| 425 | |
else
|
| 426 | |
open_dialog NEW_PARTITION $type $4 $free_space beginning ${1}000001
|
| 427 | |
fi
|
| 428 | |
read_line num id size type fs path name
|
| 429 | |
close_dialog
|
| 430 | |
if [ -z "$id" ]; then
|
| 431 | |
autopartitioning_failed
|
| 432 | |
fi
|
| 433 | |
shift; shift; shift; shift
|
| 434 | |
setup_partition $id $*
|
| 435 | |
free_space=$(partition_after $id)'
|
| 436 | |
|
| 437 | |
update_all
|
|
16 |
perform_recipe $dev $free_space $recipe || exit $?
|