-
Notifications
You must be signed in to change notification settings - Fork 0
/
chapter02.sh
492 lines (492 loc) · 13.9 KB
/
chapter02.sh
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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
#!/bin/bash
#
# NOTE - disk sdb no longer exists - left the code in place in case it's resurrected
# this disk is now sda and sda1 is used as swap
# Assuming disk sdb exists then -
# There are three disks here: disk sdb has 10 partitions with 3 operating systems -
# change sdb to suit your needs
# M.2 ssd nvme0n1 has 9 available partitions
# 1 to 3 have Arch OS loadeded. nvme0n1p1 is an EFI system partition and mounted as /boot
# NOTE all the kernels for the entire system are on this partition.
# 4 to 6 are for an LFS OS (Xfce)
# 7 to 9 are for another LFS OS of your choosing
# M.2 ssd nvme1n1 has 3 available partitions. 1 to 5 are reserved for Windows 11
# 6 to 8 are for an LFS OS.
#
# sdb (1TB) used to contain these partitions
# sdb1 - EFI system partition
# sdb2 - BIOS boot partition
# sdb3 - 5 LFS xfce
# sdb6 - 9 LFS kf5 plasma
# sdb10 - 12 Arch KF5 plasma
# sdb13 swap
#
as_root=true
if [ $UID -ne 0 ]; then
as_root=false
echo "Running as $(whoami)"
echo "will run in test mode but will not create a file system on any partitions"
echo "Run as root to create a file system on the selected partitions."
fi
LFS=$LFS
nvme0="nvme0n1"
nvme1="nvme1n1"
label="sdb"
diskLabel=$label
disk4=""
# which disk is mounted?
isNvme0=false
isNvme1=false
isDisk=false
if [ -z "$LFS" ]; then
echo "The LFS variable is not set"
echo "Will set it to /mnt/lfs"
export LFS="/mnt/lfs"
fi
if [ ! -d $LFS ]; then
if $as_root; then
echo "Directory $LFS doesn't exit"
echo "Create it? (Y/n)"
read reply
case $reply in
[nN]|[nN][Oo])
echo "Dir $LFS must exist to continue"
echo "Exiting now"
exit 1
;;
*)
echo "Will create dir $LFS"
mkdir -pv $LFS
;;
esac
else # not root
echo "Not running as root. Cannot create $LFS"
fi
else
echo "Directory $LFS exists"
fi
echo "LFS is set to $LFS"
#
checkRootPart () {
# checks that the root partition, partToFind, is in the array of Partitions
# $1 is the array of partition - mountpoint pairs
# $2 is the root partition without /dev/ on the front
declare -a arrayParts=("${!1}")
local partToFind=$2
local part
for part in ${arrayParts[@]}; do
case $part in
$partToFind)
return 0 # found
;;
esac
done
return 1 # not found
} # end checkRootPart
#
runit=true # by default the requested partitions are mounted
# if sdb chosen then set runit=false
#
# determine which disks are already mounted
echo "Looking for partitions that are mounted:"
if [ "$LFS" = /mnt/lfs ]; then
nvme0Parts=($(lsblk --noheadings --raw -o NAME,MOUNTPOINT | awk '{if ($1~/nvme0n1p/ && $2~/[/]/) {print $1, $2}}'))
numnvme0=${#nvme0Parts[@]}
if [ $numnvme0 -gt 0 ]; then
echo "disk $nvme0 is mounted"
echo "these partitions are mounted"
echo "${nvme0Parts[@]}"
isNvme0=true
theOne=$nvme0
diskMounted="${nvme0Parts[@]}"
else
echo "disk $nvme0 is not mounted"
fi
nvme1Parts=( $(lsblk --noheadings --raw -o NAME,MOUNTPOINT | awk '{if ($1~/nvme1n1p/ && $2~/[/]/) {print $1, $2}}') )
numnvme1=${#nvme1Parts[@]}
if [ $numnvme1 -gt 0 ]; then
echo "disk $nvme1 is mounted"
echo "these partitions are mounted"
echo "${nvme1Parts[@]}"
isNvme1=true
theOne=$nvme1
diskMounted="${nvme1Parts[@]}"
else
echo "disk $nvme1 is not mounted"
fi
#
labelParts=( $(lsblk --noheadings --raw -o NAME,MOUNTPOINT | awk '{if ($1~/sdb/ && $2~/[/]/) {print $1, $2}}') )
numsdb=${#labelParts[@]}
if [ $numsdb -gt 0 ]; then
echo "disk $label is mounted"
echo "these partitions are mounted"
echo "${labelParts[@]}"
isDisk=true
theOne=$label # the sdb disk
diskMounted="${labelParts[@]}"
else
echo "disk $label is not mounted"
fi
#
# get the root partition to identify the host
rootSystem=$(findmnt -n -o SOURCE /)
echo "root partition is $rootSystem"
rootNoDev=${rootSystem/\/dev\//}
# echo "rootNoDev is $rootNoDev"
# check that the root partition, rootSystem, is in the array of mounted partitions
checkRootPart diskMounted[@] $rootNoDev
if [ "$?" = 0 ]; then
echo "root partition $rootSystem found on the mounted disk $theOne - ** this is the host **"
else
echo "root partition $rootSystem is not one of ${diskMounted[@]}"
echo "You need to unmount ${diskMounted[@]}"
echo "Aborting"
exit 1
fi
if $isNvme0; then # offer to mount partitions on label, nvme0 or nvme1
suite1="${label}3, 4 and 5 (LFS)"
suite2="${label}6, 7, 8 and 9 (LFS)"
suite3="${label}10, 11 and 12 (Arch KF5 plasma)"
case $rootSystem in
*p2) # Arch is mounted
suite4="${nvme0}p4, p5 and p6 (LFS Xfce)"
one="p4"
two="p5"
three="p6"
suite5="${nvme0}p7, p8, p9 (LFS)"
four="p7"
five="p8"
six="p9"
suite6="${nvme1}p6, p7 and p8 (LFS)"
seven="p6"
eight="p7"
nine="p8"
;;
*p4) # LFS (Xfce) is mounted
suite4="${nvme0}p2 and p3 (Arch)"
one="p2"
two="p3"
three=""
suite5="${nvme0}p7, p8, p9 (LFS)"
four="p7"
five="p8"
six="p9"
suite6="${nvme1}p6, p7 and p8 (LFS)"
seven="p6"
eight="p7"
nine="p8"
;;
*p7) # LFS is mounted
suite4="${nvme0}p2 and p3 (Arch)"
one="p2"
two="p3"
three=""
suite5="${nvme0}p4, p5 and p6 (LFS Xfce)"
four="p4"
five="p5"
six="p6"
suite6="${nvme1}p6, p7 and p8 (LFS)"
seven="p6"
eight="p7"
nine="p8"
;;
esac
echo "Choose one:"
echo " "
PS3="> "
options=("$suite1" "$suite2" "$suite3" "$suite4" "$suite5" "$suite6")
select opt in "${options[@]}" "Quit"; do
case "$REPLY" in
1)
echo "If sdb existed, would mount partitions on $suite1"
disk1=3
disk2=4
disk3=5
runit=false
break
;;
2)
echo "If sdb existed, would mount partitions on $suite2"
disk1=6
disk2=7
disk3=8
disk4=9
runit=false
break
;;
3)
echo "If sdb existed, would mount partitions on $suite3"
disk1=10
disk2=11
disk3=12
runit=false
break
;;
4)
echo "Will mount partitions on $suite4"
disk1=$one
disk2=$two
disk3=$three
diskLabel=$nvme0
break
;;
5)
echo "Will mount partitions on $suite5"
disk1=$four
disk2=$five
disk3=$six
diskLabel=$nvme0
break
;;
6)
echo "Will mount partitions on $suite6"
disk1=$seven
disk2=$eight
disk3=$nine
disklabel=$nvme0
if [ "$disk1" = p6 ]; then diskLabel=$nvme1; fi
break
;;
$((${#options[@]}+1)))
echo "Okay, will exit"
exit 1
;;
*) echo "Invalid option. Type 1, 2, 3, 4, 5, 6 or 7"
:
;;
esac
done
#
elif $isNvme1; then # offer to mount partitions on label or nvme0
suite1="${label}3, 4 and 5 (LFS)"
suite2="${label}6, 7, 8 and 9 (LFS)"
suite3="${label}10, 11 and 12 (Arch KF5 plasma)"
suite4="${nvme0}p2 and p3 (Arch)"
suite5="${nvme0}p4, p5 and p6 (LFS Xfce)"
suite6="${nvme0}p7, p8, and p9 (LFS)"
echo "Choose one:"
echo " "
PS3="> "
options=("$suite1" "$suite2" "$suite3" "$suite4" "$suite5" "$suite6")
select opt in "${options[@]}" "Quit"; do
case "$REPLY" in
1)
echo "If sdb existed, would mount partitions on $suite1"
disk1=3
disk2=4
disk3=5
runit=false
break
;;
2)
echo "If sdb existed, would mount partitions on $suite2"
disk1=6
disk2=7
disk3=8
disk4=9
runit=false
break
;;
3)
echo "If sdb existed, would mount partitions on $suite3"
disk1=10
disk2=11
disk3=12
runit=false
break
;;
4)
echo "Will mount partitions on $suite4"
disk1=p2
disk2=p3
disk3=""
diskLabel=$nvme0
break
;;
5)
echo "Will mount partitions on $suite5"
disk1=p4
disk2=p5
disk3=p6
diskLabel=$nvme0
break
;;
6)
echo "Will mount partitions on $suite6"
disk1=p7
disk2=p8
disk3=p9
diskLabel=$nvme0
break
;;
$((${#options[@]}+1)))
echo "Okay, will exit"
exit 1
;;
*) echo "Invalid option. Type 1, 2, 3, 4, 5, 6 or 7"
:
;;
esac
done
# disk sdb1 not currently used so cannot be the host. Left the code as this may change
# elif $isDisk; then # offer to mount partitions on remaining label partitions, nvme0 and nvme1
# suite1="${nvme0}p3, p4 and p5 (Ububtu)"
# suite2="${nvme0}p6, p7 and p8 (Arch)"
# suite3="${nvme0}p9, p10, p11 and p12 (LFS)"
# suite4="${nvme1}p6, p7 and p8 (LFS xfce)"
# suite5="${nvme1}p9, p10, p11 and p12 (LFS)"
# case $rootSystem in
# *sdb4)
# one="6"
# two="7"
# three="8"
# four="9"
# suite6="${label}6, 7, 8 and 9"
# five="10"
# six="11"
# seven="12"
# eight=""
# suite7="${label}10, 11 and 12"
# ;;
# *sdb7)
# one="3"
# two="4"
# three="5"
# four=""
# suite6="${label}3, 4 and 5"
# five="10"
# six="11"
# seven="12"
# eight=""
# suite7="${label}10, 11 and 12"
# ;;
# *sdb11)
# one="3"
# two="4"
# three="5"
# four=""
# suite6="${label}3, 4 and 5"
# five="6"
# six="7"
# seven="8"
# eight="9"
# suite7="${label}6, 7, 8 and 9"
# ;;
# esac
# echo "Choose one:"
# echo " "
# PS3="> "
# options=("$suite1" "$suite2" "$suite3" "$suite4" "$suite5" "$suite6" "$suite7")
# select opt in "${options[@]}" "Quit"; do
# case "$REPLY" in
# 1)
# echo "Will mount partitions on $suite1"
# disk1=p3
# disk2=p4
# disk3=p5
# diskLabel=$nvme0
# break
# ;;
# 2)
# echo "Will mount partitions on $suite2"
# disk1=p6
# disk2=p7
# disk3=p8
# diskLabel=$nvme0
# break
# ;;
# 3)
# echo "Will mount partitions on $suite3"
# disk1=p9
# disk2=p10
# disk3=p11
# disk4=p12
# diskLabel=$nvme0
# break
# ;;
# 4)
# echo "Will mount partitions on $suite4"
# disk1=p6
# disk2=p7
# disk3=p8
# diskLabel=$nvme1
# break
# ;;
# 5)
# echo "Will mount partitions on $suite5"
# disk1=p9
# disk2=p10
# disk3=p11
# disk4=p12
# diskLabel=$nvme1
# break
# ;;
# 6)
# echo "Will mount partitions on $suite6"
# disk1=$one
# disk2=$two
# disk3=$three
# if [ ! -z "$four" ]; then disk4=$four; fi
# break
# ;;
# 7)
# echo "Will mount partitions on $suite7"
# disk1=$five
# disk2=$six
# disk3=$seven
# if [ ! -z "$eight" ]; then disk4=$eight; fi
# break
# ;;
# $((${#options[@]}+1)))
# echo "Okay, will exit"
# exit 1
# ;;
# *) echo "Invalid option. Type 1, 2, 3, 4, 5, 6, 7 or 8"
# :
# ;;
# esac
# done
fi
#
if ! $as_root; then
echo "If running as root, would mount partitions on:"
echo "/dev/${diskLabel}${disk1}"
echo "/dev/${diskLabel}${disk2}"
echo "/dev/${diskLabel}${disk3}"
if [ ! -z "$disk4" ]; then
echo "/dev/${diskLabel}${disk4}"
fi
echo "Aborting"
exit 1
else
echo "Running as root, will mount partitions on:"
echo "/dev/${diskLabel}${disk1}"
echo "/dev/${diskLabel}${disk2}"
echo "/dev/${diskLabel}${disk3}"
if [ ! -z "$disk4" ]; then echo "/dev/${diskLabel}${disk4}"; fi
#
# exit 1
if ! $runit; then
echo "Partitions on sdb chosen. Will do nothing"
else
mount -v -t ext4 /dev/${diskLabel}${disk1} $LFS
if [ ! -d $LFS/home ]; then mkdir -pv $LFS/home; fi
mount -v -t ext4 /dev/${diskLabel}${disk2} $LFS/home
if [ ! -d $LFS/opt ]; then mkdir -pv $LFS/opt; fi
mount -v -t ext4 /dev/${diskLabel}${disk3} $LFS/opt
# mount the ESP partition on LFS/boot
if [ ! -d $LFS/boot ]; then mkdir -pv $LFS/boot; fi
mount -v -t vfat /dev/nvme0n1p1 $LFS/boot
# assumes the swap partition has already been created with mkswap
if [ -e /dev/sda1 ]; then
echo "swap is partition /dev/sda1"
/usr/bin/swapon -v /dev/sda1
fi
fi # test runit
fi # test as_root
else
echo "Env variable LFS is not /mnt/lfs. It is $LFS"
echo "Can't mount any partitions. Do export LFS=/mnt/lfs and try again"
echo "exit"
exit 1
fi