1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
# 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 backupdev overwrite fulltemplate
template="$1"
# Compute the changes we are going to do
partitems=''
items=''
formatted_previously=no
overwrite=no
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
backupdev="/var/lib/partman/backup/${dev#$DEVICES/}"
open_dialog IS_CHANGED
read_line x
close_dialog
if [ "$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
# Check for deleted partitions that had a filesystem
for part in "$backupdev"/*; do
[ -d "$part" ] || continue
case $partitions in
*" ${part#$backupdev/}",*)
continue ;;
esac
if [ -e "$part/detected_filesystem" ] && \
[ "$(cat "$part/detected_filesystem")" != linux-swap ]; then
overwrite=yes
fi
done
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 $id/filesystem ] ||
{
formatted_previously=yes
continue
}
if [ -f "$backupdev/$id/detected_filesystem" ] && \
[ "$(cat "$backupdev/$id/detected_filesystem")" != linux-swap ]; then
overwrite=yes
fi
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
$items"
fi
if [ "$overwrite" = yes ]; then
fulltemplate="$template/confirm"
else
fulltemplate="$template/confirm_nooverwrite"
fi
maybe_escape "$x" db_subst $fulltemplate ITEMS
db_capb align
db_input critical $fulltemplate
db_go || true
db_capb backup align
db_get $fulltemplate
if [ "$RET" = false ]; then
db_reset $fulltemplate
return 1
else
db_reset $fulltemplate
return 0
fi
else
if [ "$formatted_previously" = no ]; then
db_capb align
db_input critical $template/confirm_nochanges
db_go || true
db_capb backup align
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_capb align
db_input critical $template || true
db_go || true
db_capb backup align
for s in /lib/partman/init.d/*; do
if [ -x $s ]; then
$s || return 255
fi
done
return 1
}
fi
done
return 0
}
|
