summaryrefslogtreecommitdiff
path: root/source/ap/slackpkg/files/core-functions.sh
blob: 919bf80b635e0954af9b23afecd9ff3dc21e0bca (plain)
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
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351

#========================================================================
#
# PROGRAM FUNCTIONS
#

# Clean-up tmp and lock files
#
function cleanup() {
	[ "$SPINNING" = "off" ] || tput cnorm
	if [ -e $TMPDIR/error.log ]; then
	        echo -e "         
\n==============================================================================
WARNING!        WARNING!        WARNING!        WARNING!        WARNING!
==============================================================================
One or more errors occurred while slackpkg was running:                       
"
		cat $TMPDIR/error.log
		echo -e "
=============================================================================="
	fi    
	echo
	if [ "$DELALL" = "on" ] && [ "$NAMEPKG" != "" ]; then
		rm $CACHEPATH/$NAMEPKG &>/dev/null
	fi		
	( rm -f /var/lock/slackpkg.$$ && rm -rf $TMPDIR ) &>/dev/null
	exit
}
trap 'cleanup' 2 14 15 		# trap CTRL+C and kill

# This create an spinning bar
spinning() {
	local WAITFILE
	local SPININTERVAL
	local COUNT
	
	if [ "$SPIN" = "" ]; then
		SPIN=( "|" "/" "-" "\\" )
	fi
	COUNT=${#SPIN[@]}
		
	[ -n "$1" ] && WAITFILE=$1 || WAITFILE=/tmp/waitfile
	[ -n "$2" ] && SPININTERVAL=$2 || SPININTERVAL=0.1

	count=0
	tput civis 
	while [ -e $WAITFILE ] ; do 
		count=$(( count + 1 ))
		tput sc
		echo -n ${SPIN[$(( count % COUNT ))]}
		tput rc
		sleep $SPININTERVAL
	done
	tput cnorm
}

# System setup
#
function system_setup() {

	# Set LOCAL if mirror isn't through network 
	# If mirror is through network, select the command to fetch
	# files and packages from there.
	#
	MEDIA=${SOURCE%%:*}
	if [ "$MEDIA" = "cdrom" ] || [ "$MEDIA" = "file" ] || \
	   [ "$MEDIA" = "local" ]; then
		SOURCE=/${SOURCE#${MEDIA}://}
		LOCAL=1
	else
		LOCAL=0
		if [ "$DOWNLOADER" = "curl" ]; then
			DOWNLOADER="curl ${CURLFLAGS} -o"
		else
                	DOWNLOADER="wget ${WGETFLAGS} -O"
		fi
	fi

	# Set MORECMD, EDITCMD and check BATCH mode 
	#
	if [ "$BATCH" = "on" ] || [ "$BATCH" = "ON" ]; then
		DIALOG=off
		SPINNING=off
		MORECMD=cat
		EDITCMD=vi
		if [ "$DEFAULT_ANSWER" = "" ]; then
			DEFAULT_ANSWER=n
		fi
	else
		if [ "${PAGER}" ]; then	
			MORECMD="${PAGER}"
		else
			MORECMD=more
		fi
		if [ "${EDITOR}" ]; then	
			EDITCMD="${EDITOR}"
		else
			EDITCMD=vi
		fi
	fi

	# Set ARCH, SLACKKEY and others by slackware port
	#
	if [ "$ARCH" = "" ]; then
		ARCH=$(uname -m)
	fi
	case $ARCH in
		i386|i486|i586|i686)
			ARCH=[i]*[3456x]86[^_]*
			SLACKKEY=${SLACKKEY:-"Slackware Linux Project <security@slackware.com>"}
			PKGMAIN=${PKGMAIN:-slackware}
		;;
		x86-64|x86_64|X86-64|X86_64)
			ARCH=x86[_64]*
			SLACKKEY=${SLACKKEY:-"Slackware Linux Project <security@slackware.com>"}
			PKGMAIN=${PKGMAIN:-slackware64}
		;;
		s390)
			ARCH=s390
			# Slack390 didn't have signed packages
			CHECKGPG=off
			PKGMAIN=${PKGMAIN:-slackware}
		;;
		arm*)
			ARCH=arm[v5tel]*
			SLACKKEY=${SLACKKEY:-"ARMedslack Security (ARMedslack Linux Project Security) <security@armedslack.org>"}
			PKGMAIN=${PKGMAIN:-slackware}
		;;
		powerpc|ppc)
			ARCH=powerpc
			SLACKKEY=${SLACKKEY:-"Slackintosh-Project Sign <slackdev@workaround.ch>"}
			PKGMAIN=${PKGMAIN:-slackintosh}
		;;
		*)
			ARCH=none
		;;
	esac

	# Sub %PKGMAIN with the correct $PKGMAIN value
	#
	MAIN=$PKGMAIN
	for i in 0 1 2 3 4 ; do
		if [ "${PRIORITY[$i]}" = "%PKGMAIN" ]; then
			PRIORITY[$i]=$PKGMAIN
		fi
	done

	TEMPLATEDIR=$CONF/templates
	if [ ! -d $TEMPLATEDIR ]; then
	  mkdir $TEMPLATEDIR
	fi

	SLACKCFVERSION=$(grep "# v[0-9.]\+" $CONF/slackpkg.conf | cut -f2 -dv)
	CHECKSUMSFILE=$WORKDIR/CHECKSUMS.md5
	KERNELMD5=$(md5sum /boot/vmlinuz 2>/dev/null)
	DIALOG_MAXARGS=${DIALOG_MAXARGS:-19500}
	echo "$0 $VERSION - Slackware Linux $SLACKWARE_VERSION" > $TMPDIR/timestamp
}

# Syntax Checking
#
function system_checkup() {

	# Check slackpkg.conf version
	#
	SLCKCFVL=$( expr length $SLACKCFVERSION )
	if [ "$SLACKCFVERSION" != "$( echo $VERSION |cut -c1-$SLCKCFVL)" ] &&\
	   [ "$CMD" != "new-config" ]; then
		echo -e "\
\nYour slackpkg.conf is outdated. Please, edit it using slackpkg.conf.new\n\
as example or overwrite it with slackpkg.conf.new.\n\
\nYou can use 'slackpkg new-config' to do that.\n"
		cleanup
	fi

	# Check if ARCH is set
	#
	if [ "$ARCH" = "none" ] && [ "$CMD" != "new-config" ]; then
		echo -e "\
\nThe ARCH values in slackpkg.conf are now different. You can remove\n\
ARCH from there, and slackpkg you use your current ARCH or you can look\n\
at slackpkg.conf.new or slackpkg.conf manual page to see the new valid\n\
ARCH values\n"
		cleanup
	fi

	# Check if the config files are updated to the new slackpkg version
	#
	if [ "$WORKDIR" = "" ]; then
		echo -e "\
\nYou need to upgrade your slackpkg.conf.\n\
This is a new slackpkg version and many changes happened in config files.\n\
In ${CONF}/slackpkg.conf.new, there is a sample of the new configuration.\n\
\nAfter updating your configuration file, run: slackpkg update\n" 
		cleanup
	fi

	# Checking if another instance of slackpkg is running
	#
	if [ "$(ls /var/lock/slackpkg.* 2>/dev/null)" ] && \
		[ "$CMD" != "search" ] && \
		[ "$CMD" != "help" ] && \
		[ "$CMD" != "file-search" ]; then
		echo -e "\
\nAnother instance of slackpkg is running. If this is not correct, you can\n\
remove /var/lock/slackpkg.* files and run slackpkg again.\n"
		cleanup
	else        
		ls /var/lock/slackpkg.* &>/dev/null || \
			touch /var/lock/slackpkg.$$
	fi

	# Checking if the we can create TMPDIR
	#
	if [ "$TMPDIR" = "FAILED" ]; then
		echo -e "\
\nA problem was encountered writing to slackpkg's temporary dir in /tmp.\n\
Check to ensure you have permissions to write in /tmp and make sure the\n\
filesystem is not out of free space.  Run slackpkg again after correcting\n\
the problem.\n"
		cleanup
	fi

	# Checking if is the first time running slackpkg
	#                                               
	if ! [ -f ${WORKDIR}/pkglist ] && [ "$CMD" != "update" ]; then
		if [ "$SOURCE" = "" ]; then
                	echo -e "\
\nThis appears to be the first time you have run slackpkg.\n\
Before you install|upgrade|reinstall anything, you need to uncomment\n\
ONE mirror in ${CONF}/mirrors and run:\n\n\
\t# slackpkg update\n\n\
You can see more information about slackpkg functions in slackpkg manpage."
			cleanup
		elif [ "$CMD" != "new-config" ]; then
			echo -e "\
\nThe package list is missing.\n\
Before you install|upgrade|reinstall anything you need to run:\n\n\
\t# slackpkg update\n"
			cleanup
		fi
	fi                                                      


	# Checking if /etc/slackpkg/mirrors are in correct syntax.
	#                                                         
	if [ "$SOURCE" = "" ] ; then
		echo -e "\
\nYou do not have any mirror selected in ${CONF}/mirrors\n\
Please edit that file and uncomment ONE mirror.  Slackpkg\n\
only works with ONE mirror selected.\n"
		cleanup
	else
		COUNT=$(echo $SOURCE | wc -w | tr -d " ")
		if [ "$COUNT" != "1" ]; then
			echo -e "\n\
Slackpkg only works with ONE mirror selected.  Please edit your\n\
${CONF}/mirrors and comment all but one line - two or more\n\
mirrors uncommented is not valid syntax.\n"
			cleanup
		fi
	fi

	# It will check if the mirror selected are ftp.slackware.com
	# if set to "ftp.slackware.com" tell the user to choose another
	#
	if echo ${SOURCE} | grep "^ftp://ftp.slackware.com" &>/dev/null ; then
		echo -e "\n\
Please use one of the mirrors.\n\
ftp.slackware.com should be reserved so that the\n\
official mirrors can be kept up-to-date.\n"
		cleanup
	fi

	# Also check if the mirror selected is ftp://mirrors.slackware.com
	# if set to "ftp://mirrors.slackware.com" tell the user to choose another
	#
	if echo ${SOURCE} | grep "^ftp://mirrors.slackware.com" &>/dev/null ; then
		echo -e "\n\
Please use http://mirrors.slackware.com instead.\n\
ftp://mirrors.slackware.com does not handle redirects \n\
to the closest mirror and is very slow.\n"
		cleanup
	fi

	# Checking if the user has the permissions to install/upgrade/update
	#                                                                    
	if [ "$(id -u)" != "0" ] && \
	   [ "$CMD" != "search" ] && \
	   [ "$CMD" != "file-search" ] && \
	   [ "$CMD" != "check-updates" ] && \
	   [ "$CMD" != "info" ]; then
		echo -e "\n\
Only root can install, upgrade, or remove packages.\n\
Please log in as root or contact your system administrator.\n"
		cleanup
	fi          

	# Check if the "which" command is there
	if ! which which 1>/dev/null 2>/dev/null ; then
		echo -e "\n\
No 'which' command found, please install it if you want to\n\
use slackpkg.\n"
		cleanup
	fi

	# Check if we have md5sum in the PATH. Without md5sum, disables
	# md5sum checks
	#
	if ! [ $(which md5sum 2>/dev/null) ]; then
		CHECKMD5=off
	elif ! [ -f ${WORKDIR}/CHECKSUMS.md5 ] && \
		[ "$CMD" != "update" ] && \
		[ "$CHECKMD5" = "on" ]; then
		echo -e "\n\
No CHECKSUMS.md5 found!  Please disable md5sums checking\n\
on your ${CONF}/slackpkg.conf or run slackpkg update\n\
to download a new CHECKSUMS.md5 file.\n"
		cleanup
	fi

	# Check if awk is installed
	#
	if ! [ "$(which awk 2>/dev/null)" ]; then
		echo -e "\n\
awk package not found! Please install awk before you run slackpkg,\n\
as slackpkg cannot function without awk.\n"
		cleanup
	fi

	# Check if tput is there
	#
	if ! which tput 1>/dev/null 2>/dev/null ; then
		SPINNING=off
	fi

	# Check if gpg is enabled but no GPG command are found.
	#
	if ! [ "$(which gpg 2>/dev/null)" ] && [ "${CHECKGPG}" = "on" ]; then
		CHECKGPG=off
		echo -e "\n\
gpg package not found!  Please disable GPG in ${CONF}/slackpkg.conf or install\n\
the gnupg package.\n\n\
To disable GPG, edit slackpkg.conf and change the value of the CHECKGPG \n\
variable to "off" - you can see an example in the original slackpkg.conf.new\n\
file distributed with slackpkg.\n"
		sleep 5
	fi 

	# Check if the Slackware GPG key are found in the system
	#                                                       
	GPGFIRSTTIME="$(gpg --list-keys \"$SLACKKEY\" 2>/dev/null \
			| grep -c "$SLACKKEY")"
	if [ "$GPGFIRSTTIME" = "0" ] && \
		[ "$CMD" != "search" ] && \
		[ "$CMD" != "file-search" ] && \
		[ "$CMD" != "info" ] && \
		[ "$CMD" != "new-config" ] && \
		[ "$CMD" != "update" ] && \
		[ "$CMD" != "check-updates" ] && \
		[ "$CHECKGPG" = "on" ]; then
		echo -e "\n\
You need the GPG key of $SLACKKEY.\n\
To download and install that key, run:\n\n\
\t# slackpkg update gpg\n\n\
You can disable GPG checking too, but it is not a good idea.\n\
To disable GPG, edit slackpkg.conf and change the value of the CHECKGPG\n\
variable to "off" - you can see an example in the original slackpkg.conf.new\n\
file distributed with slackpkg.\n"
		cleanup
	fi
	echo 
}

# Got the name of a package, without version-arch-release data
#
function cutpkg() {
	echo ${1/%.t[blxg]z/} | awk -F- -f /usr/libexec/slackpkg/cutpkg.awk
}

# The same, but reading packages from stdin
#
function batchcutpkg() {
	awk -F- -f /usr/libexec/slackpkg/cutpkg.awk
}

# Show the slackpkg usage
#
function usage() {
	echo -e "\
slackpkg - version $VERSION\n\
\nUsage:\n\
\tslackpkg [OPTIONS] {install|remove|search|file-search|
\t\t\t    upgrade|reinstall|blacklist} {PATTERN|FILE}
\tslackpkg [OPTIONS] {generate-template|install-template|remove-template}
\t\t\t   TEMPLATENAME
\tslackpkg [OPTIONS] info PACKAGE
\tslackpkg [OPTIONS] update [gpg]
\tslackpkg [OPTIONS] {clean-system|upgrade-all|install-new}
\tslackpkg [OPTIONS] {new-config|check-updates|help}
\nIf you need more information try to use 'slackpkg help' or look the\n\
slackpkg's manpage.
"
	cleanup
}

function full_usage() {
	echo -e "\
slackpkg - version $VERSION\n\
\nUsage: \tslackpkg update [gpg]\t\tdownload and update files and 
\t\t\t\t\tpackage indexes
\tslackpkg check-updates\t\tcheck if there is any news on
\t\t\t\t\tSlackware's ChangeLog.txt
\tslackpkg install package\tdownload and install packages 
\tslackpkg upgrade package\tdownload and upgrade packages
\tslackpkg reinstall package\tsame as install, but for packages 
\t\t\t\t\talready installed
\tslackpkg remove package\t\tremove installed packages
\tslackpkg clean-system\t\tremove all packages which are not 
\t\t\t\t\tpresent in the official Slackware 
\t\t\t\t\tpackage set. Good to keep the house
\t\t\t\t\tin order
\tslackpkg upgrade-all\t\tsync all packages installed in your 
\t\t\t\t\tmachine with the selected mirror. This
\t\t\t\t\tis the "correct" way to upgrade all of 
\t\t\t\t\tyour machine.
\tslackpkg install-new\t\tinstall packages which are added to
\t\t\t\t\tthe official Slackware package set.
\t\t\t\t\tRun this if you are upgrading to another
\t\t\t\t\tSlackware version or using "current".
\tslackpkg blacklist\t\tBlacklist a package. Blacklisted
\t\t\t\t\tpackages cannot be upgraded, installed,
\t\t\t\t\tor reinstalled by slackpkg
\tslackpkg download\t\tOnly download (do not install) a package
\tslackpkg info package\t\tShow package information 
\t\t\t\t\t(works with only ONE package)
\tslackpkg search package\t\tSearch packages that have a
\t\t\t\t\tselected name
\tslackpkg file-search file\tSearch for a specific file in the
\t\t\t\t\tentire package collection
\tslackpkg new-config\t\tSearch for new configuration files and
\t\t\t\t\task to user what to do with them.
\tslackpkg generate-template\tCreate a template with all 
\t\t\t\t\tofficial Slackware packages installed 
\t\t\t\t\tin your machine.
\tslackpkg install-template\tInstall selected template.
\tslackpkg remove-template\tRemove selected template. Be careful.
\tslackpkg help\t\t\tShow this screen. 
\nYou can see more information about slackpkg usage and some examples
in slackpkg's manpage. You can use partial package names (such as xorg 
instead of xorg-server, xorg-docs, etc), or even Slackware series
(such as "n","ap","xap",etc) when searching for packages.
"
	cleanup
}

# Verify if we have enough disk space to install selected package
#
function havespace() {
	local DSIZE
	local ASIZE
	DSIZE=$(grep "^${1}" ${TMPDIR}/tempsize | \
		awk 'BEGIN { tot=0 } { tot+=$2 } END { print int(tot/1024)+1}')
	ASIZE=$(df ${1} | awk '/% \// { print 0+$(NF-2) }')
	if [ ${DSIZE} -gt ${ASIZE} ] ; then
		ISOK=0
	fi
}

function checksize() {
	local i
	local ISOK=1
	tar -tvf ${1} | tr -s ' ' | grep -v '^[dl]' | cut -f6,3 -d\ | \
	sed 's,[^/]*$,,' | awk '
	{ size[$2]+=$1 }
	END { 
	    	for (i in size) { 
			print "/"i,size[i]
		}
	}' > ${TMPDIR}/tempsize

	for i in $(tac /proc/mounts | grep "^/dev" |cut -f2 -d\ ); do
		if grep -q "^${i}" ${TMPDIR}/tempsize ; then
			havespace ${i}
			grep -v "^${i}/" ${TMPDIR}/tempsize > ${TMPDIR}/tempsize.tmp
			mv ${TMPDIR}/tempsize.tmp ${TMPDIR}/tempsize
		fi	
	done
	echo ${ISOK}
}

# Verify if the package was corrupted by checking md5sum
#
function checkmd5() {
	local MD5ORIGINAL
	local MD5DOWNLOAD

	MD5ORIGINAL=$(	grep -v "/source/" ${CHECKSUMSFILE} |\
			grep -m1 "/$(basename $1)$" | cut -f1 -d \ )
	MD5DOWNLOAD=$(md5sum ${1} | cut -f1 -d \ )
	if [ "$MD5ORIGINAL" = "$MD5DOWNLOAD" ]; then
		echo 1 
	else
		echo 0 
	fi
}

# Verify the GPG signature of files/packages
#
function checkgpg() {
	gpg --verify ${1}.asc ${1} 2>/dev/null && echo "1" || echo "0"
}

# Found packages in repository. 
# This function selects the package from the higher priority
# repository directories.
#
function givepriority {
        local DIR
        local ARGUMENT=$1
	local PKGDATA

	unset NAME
        unset FULLNAME
	unset PKGDATA
	
        for DIR in ${PRIORITY[@]} ; do
		[ "$PKGDATA" ] && break
                PKGDATA=( $(grep "^${DIR} ${ARGUMENT} " ${TMPDIR}/pkglist) )
                if [ "$PKGDATA" ]; then
			NAME=${PKGDATA[1]}
                        FULLNAME=$(echo "${PKGDATA[5]}.${PKGDATA[7]}")
                fi
        done
}

# Creates files with mirror package names (spkg), local package
# names (lpkg) and packages unique to one or other file (dpkg)
#
function listpkgname() {
	cut -f2 -d\  ${TMPDIR}/pkglist | sort > ${TMPDIR}/spkg	
	cut -f2 -d\  ${TMPDIR}/tmplist | sort > ${TMPDIR}/lpkg
	cat ${TMPDIR}/pkglist ${TMPDIR}/tmplist | \
		cut -f2-6 -d\ |sort | uniq -u | \
		cut -f1 -d\  | uniq > ${TMPDIR}/dpkg
}

function applyblacklist() {
	grep -vEw -f ${TMPDIR}/blacklist
}

# Function to make install/reinstall/upgrade lists
#
function makelist() {
	local ARGUMENT
	local i
	local VRFY

	INPUTLIST=$@

	grep -vE "(^#|^[[:blank:]]*$)" ${CONF}/blacklist > ${TMPDIR}/blacklist
	if echo $CMD | grep -q install ; then
		ls -1 $ROOT/var/log/packages/* | awk -f /usr/libexec/slackpkg/pkglist.awk > ${TMPDIR}/tmplist
	else
		ls -1 $ROOT/var/log/packages/* | awk -f /usr/libexec/slackpkg/pkglist.awk | applyblacklist > ${TMPDIR}/tmplist
	fi
	cat ${WORKDIR}/pkglist | applyblacklist > ${TMPDIR}/pkglist

	touch ${TMPDIR}/waiting

	case "$CMD" in
		clean-system)
			echo -n "Looking for packages to remove. Please wait... "
		;;
		upgrade-all)
			echo -n "Looking for packages to upgrade. Please wait... "
		;;
		install-new)
			echo -n "Looking for NEW packages to install. Please wait... "
		;;
		*-template)
			echo -n "Looking for packages in \"$ARG\" template to ${CMD/%-template/}. Please wait..."
		;;
		*)
			echo -n "Looking for $(echo $INPUTLIST | tr -d '\\') in package list. Please wait... "
		;;
	esac

	[ "$SPINNING" = "off" ] || spinning ${TMPDIR}/waiting &

	case "$CMD" in
		download)
			for ARGUMENT in $(echo $INPUTLIST); do
				for i in $(grep -w -- "${ARGUMENT}" ${TMPDIR}/pkglist | cut -f2 -d\  | sort -u); do
					LIST="$LIST $(grep " ${i} " ${TMPDIR}/pkglist | cut -f6,8 -d\  --output-delimiter=.)"
				done
				LIST="$(echo -e $LIST | sort -u)"
			done
		;;
		blacklist)
			for ARGUMENT in $(echo $INPUTLIST); do
				for i in $(cat ${TMPDIR}/pkglist ${TMPDIR}/tmplist | \
						grep -w -- "${ARGUMENT}" | cut -f2 -d\  | sort -u); do
					grep -qx "${i}" ${CONF}/blacklist || LIST="$LIST $i"
				done
			done
		;;
		install|upgrade|reinstall)
			for ARGUMENT in $(echo $INPUTLIST); do
				for i in $(grep -w -- "${ARGUMENT}" ${TMPDIR}/pkglist | cut -f2 -d\  | sort -u); do
					givepriority $i
					[ ! "$FULLNAME" ] && continue

					case $CMD in
						'upgrade')
							VRFY=$(cut -f6 -d\  ${TMPDIR}/tmplist | \
							      grep -x "${NAME}-[^-]\+-\(noarch\|fw\|${ARCH}\)-[^-]\+")
							[ "${FULLNAME/%.t[blxg]z/}" != "${VRFY}" ]  && \
										[ "${VRFY}" ] && \
								LIST="$LIST ${FULLNAME}"
						;;
						'install')
							grep -q " ${NAME} " ${TMPDIR}/tmplist || \
								LIST="$LIST ${FULLNAME}"
						;;
						'reinstall')
							grep -q " ${FULLNAME/%.t[blxg]z} " ${TMPDIR}/tmplist && \
								LIST="$LIST ${FULLNAME}"
						;;
					esac
				done
			done
		;;
		remove)
			for ARGUMENT in $(echo $INPUTLIST); do
				for i in $(cat ${TMPDIR}/pkglist ${TMPDIR}/tmplist | \
					  	grep -w -- "${ARGUMENT}" | cut -f6 -d\  | sort -u); do
					PKGDATA=( $(grep -w -- "$i" ${TMPDIR}/tmplist) )
					[ ! "$PKGDATA" ] && continue
					LIST="$LIST ${PKGDATA[5]}" 
					unset PKGDATA
				done
			done
		;;
		clean-system)
			listpkgname
			for i in $(comm -2 -3 ${TMPDIR}/lpkg ${TMPDIR}/spkg) ; do
				PKGDATA=( $(grep -- "^local $i " ${TMPDIR}/tmplist) )
				[ ! "$PKGDATA" ] && continue
				LIST="$LIST ${PKGDATA[5]}" 
				unset PKGDATA
			done				
		;;
		upgrade-all)
			listpkgname
			for i in $(comm -1 -2 ${TMPDIR}/lpkg ${TMPDIR}/dpkg | \
				   comm -1 -2 - ${TMPDIR}/spkg) ; do
	
				givepriority ${i}
				[ ! "$FULLNAME" ] && continue

				VRFY=$(cut -f6 -d\  ${TMPDIR}/tmplist | grep -x "${NAME}-[^-]\+-\(noarch\|fw\|${ARCH}\)-[^-]\+")
				[ "${FULLNAME/%.t[blxg]z}" != "${VRFY}" ]  && \
							[ "${VRFY}" ] && \
					LIST="$LIST ${FULLNAME}"
			done
		;;
		install-new)
			for i in $(awk -f /usr/libexec/slackpkg/install-new.awk ${WORKDIR}/ChangeLog.txt |\
				  sort -u ) dialog aaa_terminfo fontconfig \
				ntfs-3g ghostscript wqy-zenhei-font-ttf \
				xbacklight xf86-video-geode ; do
	
				givepriority $i
				[ ! "$FULLNAME" ] && continue
				
				grep -q " ${NAME} " ${TMPDIR}/tmplist || \
					LIST="$LIST ${FULLNAME}"
			done
		;;
		install-template)
			for i in $INPUTLIST ; do
				givepriority $i
				[ ! "$FULLNAME" ] && continue
				grep -q " ${NAME} " ${TMPDIR}/tmplist || \
					LIST="$LIST ${FULLNAME}"
			done
		;;	
		remove-template)
			for i in $INPUTLIST ; do
				givepriority $i
				[ ! "$FULLNAME" ] && continue
				grep -q " ${NAME} " ${TMPDIR}/tmplist && \
					LIST="$LIST ${FULLNAME}"
			done
		;;	
		search|file-search)
				# -- temporary file used to store the basename of selected
				#    packages.

			PKGNAMELIST=$(tempfile --directory=$TMPDIR)

			if [ "$CMD" = "file-search" ]; then
				# Search filelist.gz for possible matches
				for i in ${PRIORITY[@]}; do
					if [ -e ${WORKDIR}/${i}-filelist.gz ]; then
						PKGS="$(zegrep -w "${INPUTLIST}" ${WORKDIR}/${i}-filelist.gz | \
							cut -d\  -f 1 | awk -F'/' '{print $NF}')"
						for FULLNAME in $PKGS ; do
							NAME=$(cutpkg ${FULLNAME})
							grep -q "^${NAME}$" $PKGNAMELIST && continue
							LIST="$LIST ${FULLNAME}"
							echo "$NAME" >> $PKGNAMELIST
						done
					fi
				done
			else
				for i in ${PRIORITY[@]}; do
					PKGS=$(grep "^${i}.*${PATTERN}" \
						${TMPDIR}/pkglist | cut -f6 -d\ )
					for FULLNAME in $PKGS ; do
						NAME=$(cutpkg ${FULLNAME})

						grep -q "^${NAME}$" $PKGNAMELIST && continue
						LIST="$LIST ${FULLNAME}"
						echo "$NAME" >> $PKGNAMELIST
					done
				done
			fi
			rm -f $PKGNAMELIST
		;;	
	esac
	LIST=$(echo -e $LIST | tr \  "\n" | uniq )

	rm ${TMPDIR}/waiting

	echo -e "DONE\n"
}

# Function to count total of packages
#
function countpkg() {
	local COUNTPKG=$(echo -e "$1" | wc -w)

	if [ "$COUNTPKG" != "0" ]; then
		echo -e "Total package(s): $COUNTPKG\n"
	fi
}

function answer() {
	if [ "$BATCH" = "on" ]; then
		ANSWER="$DEFAULT_ANSWER"
		echo $DEFAULT_ANSWER
	else
		read ANSWER
	fi
}

function searchlist() {
	local i
	local BASENAME
	local RAWNAME
	local STATUS
	local INSTPKG

	for i in $1; do
	    if [ "$BASENAME" = "$(cutpkg ${i})" ]; then
		continue
	    fi
	    # BASENAME is base package name 
	    BASENAME="$(cutpkg ${i})"

	    # RAWNAME is Latest available version  
	    RAWNAME="${i/%.t[blxg]z/}"

	    # Default is uninstalled
	    STATUS="uninstalled"

	    # First is the package already installed?
	    # Amazing what a little sleep will do
	    # exclusion is so much nicer :)
	    INSTPKG=$(ls -1 $ROOT/var/log/packages | \
		grep -e "^${BASENAME}-[^-]\+-\(${ARCH}\|fw\|noarch\)-[^-]\+")

		# INSTPKG is local version
		if [ ! "${INSTPKG}" = "" ]; then

		# If installed is it uptodate?
		if [ "${INSTPKG}" = "${RAWNAME}" ]; then
		    STATUS=" installed "
		    echo "[${STATUS}] - ${INSTPKG}"
		else
		    STATUS="  upgrade  "
		echo "[${STATUS}] - ${INSTPKG} --> ${RAWNAME}"
		fi
		else
		    echo "[${STATUS}] - ${RAWNAME}"
		fi
	done
}

# Show the lists and asks if the user want to proceed with that action
# Return accepted list in $SHOWLIST
#
function showlist() {
	local ANSWER
	local i

	for i in $1; do echo $i; done | $MORECMD
	echo
	countpkg "$1"
	echo -e "Do you wish to $2 selected packages (Y/n)? \c"
	answer
	if [ "$ANSWER" = "N" -o "$ANSWER" = "n" ]; then
		cleanup
	else
		SHOWLIST="$1"
		continue
	fi
}

function getfile() {
        if [ "$LOCAL" = "1" ]; then
                echo -e "\t\t\tLinking $1..."
                if [ -e $1 ]; then
			ln -s $1 $2 2>/dev/null
		else
			return 1
		fi
        else
                echo -e "\t\t\tDownloading $1..."
		$DOWNLOADER $2 $1
        fi
}                                                       

# Function to download the correct package and many "checks"
#
function getpkg() {
	local ISOK="1"
	local ERROR=""
	local PKGNAME
	local FULLPATH
	local NAMEPKG
	local CACHEPATH

	PKGNAME=( $(grep -m 1 -- "[[:space:]]${1/%.t[blxg]z/}[[:space:]]" ${TMPDIR}/pkglist) )
	NAMEPKG=${PKGNAME[5]}.${PKGNAME[7]}
	FULLPATH=${PKGNAME[6]}
	CACHEPATH=${TEMP}/${FULLPATH}

	# Create destination dir if it isn't there
	if ! [ -d $CACHEPATH ]; then
		mkdir -p $CACHEPATH
	fi

	if ! [ -e ${CACHEPATH}/${NAMEPKG} ]; then
		echo -e "\nPackage: $1"
		# Check if the mirror are local, if is local, copy files 
		# to CACHEPATH else, download packages from remote host and 
		# put then in CACHEPATH
		#
		getfile ${SOURCE}${FULLPATH}/${NAMEPKG} \
			${CACHEPATH}/${NAMEPKG} 
		if [ "$CHECKGPG" = "on" ]; then
			getfile ${SOURCE}${FULLPATH}/${NAMEPKG}.asc \
				${CACHEPATH}/${NAMEPKG}.asc
		fi

		if ! [ -e ${CACHEPATH}/$1 ]; then
			ERROR="Not found"
			ISOK="0"
			echo -e "${NAMEPKG}:\t$ERROR" >> $TMPDIR/error.log
		fi
	else
		echo -e "\tPackage $1 is already in cache - not downloading" 
	fi

	# Check if we have sufficient disk space to install selected package
        if [ "$CHECKSIZE" = "on" ] && [ "$ISOK" = "1" ]; then
		ISOK=$(checksize ${CACHEPATH}/$1)
		if [ "$ISOK" = "0" ]; then
			ERROR="Insufficient disk space"
			echo -e "${NAMEPKG}:\t$ERROR" >> $TMPDIR/error.log
		fi
	fi

	# If MD5SUM checks are enabled in slackpkg.conf, check the
	# packages md5sum to detect if they are corrupt or not
	#
	if [ "$CHECKMD5" = "on" ] && [ "$ISOK" = "1" ]; then
		ISOK=$(checkmd5 ${CACHEPATH}/$1)
		if [ "$ISOK" = "0" ]; then 
			ERROR="md5sum"
			echo -e "${NAMEPKG}:\t$ERROR" >> $TMPDIR/error.log
		fi
		if [ "$CHECKGPG" = "on" ] && [ "$ISOK" = "1" ]; then
			ISOK=$(checkmd5 ${CACHEPATH}/$1.asc)
			if [ "$ISOK" = "0" ]; then 
				ERROR="md5sum"
				echo -e "${NAMEPKG}.asc:\t$ERROR" >> \
							$TMPDIR/error.log
			fi
		fi
	fi

	# Check the package against its .asc. If you don't like this
	# disable GPG checking in /etc/slackpkg/slackpkg.conf
	#
	if [ "$CHECKGPG" = "on" ] && [ "$ISOK" = "1" ]; then
		ISOK=$(checkgpg ${CACHEPATH}/$1)
		if [ "$ISOK" = "0" ]; then 
			ERROR="gpg"
			echo -e "${NAMEPKG}:\t$ERROR" >> $TMPDIR/error.log
		fi
	fi

	if [ "$ISOK" = "1" ]; then
		case $2 in
			installpkg)
				echo -e "\tInstalling ${1/%.t[blxg]z/}..."
			;;
			upgradepkg)
				echo -e "\tUpgrading ${1/%.t[blxg]z/}..."
			;;
			*)
				echo -e "\c"
			;;
		esac	
		( cd $CACHEPATH && $2 $1 )
	else 
		rm $CACHEPATH/$1 2>/dev/null
		echo -e "\tERROR - Package not installed! $ERROR error!" 
	fi

	# If DELALL is checked, all downloaded files will be erased
	# after installed/upgraded/reinstalled
	#
	if [ "$DELALL" = "on" ]; then
		rm $CACHEPATH/$1 $CACHEPATH/${1}.asc 2>/dev/null
	fi		
}

# Main logic to download and format package list, md5 etc.
#
function checkchangelog()
{
	if ! [ -e ${WORKDIR}/ChangeLog.txt ]; then
		touch ${WORKDIR}/ChangeLog.txt
	fi

	echo -e "\tDownloading..."
	#
	# Download ChangeLog.txt first of all and test if it's equal
	# or different from our already existent ChangeLog.txt 
	#
	getfile ${SOURCE}ChangeLog.txt $TMPDIR/ChangeLog.txt
	if ! grep -q "[a-z]" $TMPDIR/ChangeLog.txt ; then
		echo -e "\
\nError downloading from $SOURCE.\n\
Please check your mirror and try again."
		cleanup
	fi

	if diff --brief ${WORKDIR}/ChangeLog.txt $TMPDIR/ChangeLog.txt ; then
		return 0
	else
		return 1
	fi
}

function updatefilelists()
{
	if checkchangelog ; then
		echo -e "\
\n\t\tNo changes in ChangeLog.txt between your last update and now.\n\
\t\tDo you really want to download all other files (y/N)? \c"
		answer
		if [ "$ANSWER" != "Y" ] && [ "$ANSWER" != "y" ]; then
			cleanup
		fi
	fi
	echo
	cp ${TMPDIR}/ChangeLog.txt ${WORKDIR}/ChangeLog.txt

	#
	# Download MANIFEST, FILELIST.TXT and CHECKSUMS.md5
	#

	# That will be download MANIFEST.bz2 files
	#
	echo -e "\t\tList of all files"
	for i in ${PRIORITY[@]} ; do 
		getfile ${SOURCE}${i}/MANIFEST.bz2 $TMPDIR/${i}-MANIFEST.bz2 && \
			DIRS="$DIRS $i"
	done

	ISOK="1"
	echo -e "\t\tChecksums"
	getfile ${SOURCE}CHECKSUMS.md5 ${TMPDIR}/CHECKSUMS.md5
	getfile ${SOURCE}CHECKSUMS.md5.asc ${TMPDIR}/CHECKSUMS.md5.asc
	if ! [ -e "${TMPDIR}/CHECKSUMS.md5" ]; then
		echo -e "\
\n\t\tWARNING: Your mirror appears incomplete and is missing the\n\
\t\t         CHECKSUMS.md5 file. We recommend you change your mirror\n\
\t\t         so that package integrity can be verified against \n\
\t\t         CHECKSUMS.md5.\n"
		sleep 10
	else
		if [ "$CHECKGPG" = "on" ]; then
			ISOK=$(checkgpg ${TMPDIR}/CHECKSUMS.md5)
			if [ "$ISOK" = "0" ]; then 
				rm $TMPDIR/CHECKSUMS.md5
				rm $TMPDIR/CHECKSUMS.md5.asc
				echo -e "\
\n\t\tERROR: Verification of the  gpg signature on CHECKSUMS.md5\n\
\t\t       failed! This could mean that the file is out of date\n\
\t\t       or has been tampered with.\n"
				cleanup
			fi
		elif [ "$SLACKKEY" != "" ]; then
			echo -e "\
\n\t\tWARNING: Without CHECKGPG, we can't check if this file is\n\
\t\t         signed by:\n\
\n\t\t         $SLACKKEY.\n\
\n\t\t         Enabling CHECKGPG is highly recommended for best\n\
\t\t         security.\n"
				sleep 10
		fi
	fi

	ISOK="1"
	echo -e "\t\tPackage List"
	getfile ${SOURCE}FILELIST.TXT ${TMPDIR}/FILELIST.TXT
	if [ "$CHECKMD5" = "on" ]; then
		CHECKSUMSFILE=${TMPDIR}/CHECKSUMS.md5
		ISOK=$(checkmd5 ${TMPDIR}/FILELIST.TXT)
	fi
	if [ "$ISOK" = "1" ]; then 
		if ! [ -e $WORKDIR/LASTUPDATE ]; then
			echo "742868196" > $WORKDIR/LASTUPDATE
		fi
		LASTUPDATE=$(cat $WORKDIR/LASTUPDATE)
		ACTUALDATE=$(date -d "$(head -1 $TMPDIR/FILELIST.TXT)" "+%s")
		if [ $ACTUALDATE -lt $LASTUPDATE ]; then
			echo -e "\
\n\t\tFILELIST.TXT seems to be older than the last one.\n\
\t\tDo you really want to continue (y/N)? \c"
			answer
			if [ "$ANSWER" != "Y" ] && [ "$ANSWER" != "y" ]; then
				cleanup
			fi
			echo
		fi
		echo $ACTUALDATE > $WORKDIR/LASTUPDATE
	else
		rm $TMPDIR/FILELIST.TXT
	fi
	
	if [ -e $TMPDIR/CHECKSUMS.md5 ]; then
		FILELIST="$TMPDIR/CHECKSUMS.md5"
	elif [ -e $TMPDIR/FILELIST.TXT ]; then
		if [ "$ISOK" = "0" ]; then
			echo -e "\
\n\t\tERROR: CHECKSUMS.md5 signature doesn't match!\n\
\t\t       We strongly recommend that you change your mirror\n\
\t\t       to prevent security problems.\n"
			cleanup
		fi
		sleep 10
	  	FILELIST="$TMPDIR/FILELIST.TXT"
	else
		echo -e "\
\n\t\tERROR: No CHECKSUMS.md5 and no FILELIST.TXT.\n\
\t\t       We strongly recommend that you change your mirror\n\
\t\t       to prevent security problems.\n"
		cleanup
	fi 

	# Download all PACKAGES.TXT files
	# 
	echo -e "\t\tPackage descriptions"
	for i in $DIRS; do
		getfile ${SOURCE}${i}/PACKAGES.TXT $TMPDIR/${i}-PACKAGES.TXT
	done

	# Format FILELIST.TXT
	#
	echo -e "\tFormatting lists to slackpkg style..."
	echo -e "\t\tPackage List: using $( basename $FILELIST ) as source"
	grep "\.t[blxg]z$" $FILELIST| \
		awk -f /usr/libexec/slackpkg/pkglist.awk |\
		sed -e 's/^M//g' > ${TMPDIR}/pkglist
	cp ${TMPDIR}/pkglist ${WORKDIR}/pkglist		

	# Create the slackware tree under TEMP directory
	for i in $( cut -f7 -d\  ${WORKDIR}/pkglist | sort -u ) ; do
	  if ! [ -d ${TEMP}/${i} ]; then
	    mkdir -p ${TEMP}/${i}
	  fi
	done

	# Format MANIFEST
	#
		
	# bunzip and concatenate all MANIFEST files
	#
	MANFILES=""
	for i in $DIRS; do
		bunzip2 -c $TMPDIR/${i}-MANIFEST.bz2 | awk -f /usr/libexec/slackpkg/filelist.awk | \
			gzip > ${TMPDIR}/${i}-filelist.gz
	done
	cp ${TMPDIR}/*-filelist.gz ${WORKDIR}/

	if [ -r ${WORKDIR}/filelist.gz ]; then
		rm ${WORKDIR}/filelist.gz
		ln -s ${WORKDIR}/${MAIN}-filelist.gz ${WORKDIR}/filelist.gz
	fi

	# Concatenate PACKAGE.TXT files
	#
	echo -e "\t\tPackage descriptions"
	for i in $DIRS; do
		cat $TMPDIR/${i}-PACKAGES.TXT >> $TMPDIR/PACKAGES.TXT
	done
	cp $TMPDIR/PACKAGES.TXT ${WORKDIR}/PACKAGES.TXT

	if [ -e $TMPDIR/CHECKSUMS.md5 ]; then
		cp $TMPDIR/CHECKSUMS.md5 $WORKDIR/CHECKSUMS.md5 2>/dev/null
	fi

	if [ -e $TMPDIR/CHECKSUMS.md5.asc ]; then
		cp $TMPDIR/CHECKSUMS.md5.asc \
			$WORKDIR/CHECKSUMS.md5.asc 2>/dev/null
	fi
}

function sanity_check() {
	local REVNAME
	local i
	local FILES
	local DOUBLEFILES
	local ANSWER

	touch ${TMPDIR}/waiting
	echo -e "Checking local integrity... \c"

	[ "$SPINNING" = "off" ] || spinning ${TMPDIR}/waiting &

	for i in $(ls -1 $ROOT/var/log/packages | \
		egrep -- "^.*-(${ARCH}|fw|noarch)-[^-]+-upgraded"); do
		REVNAME=$(echo ${i} | awk -F'-upgraded' '{ print $1 }')
		mv $ROOT/var/log/packages/${i} $ROOT/var/log/packages/${REVNAME}
		mv $ROOT/var/log/scripts/${i} $ROOT/var/log/scripts/${REVNAME}
	done
	
	ls -1 $ROOT/var/log/packages | egrep "^.*-(${ARCH}|fw|noarch)-[^-]+$" | \
				  batchcutpkg | sort > $TMPDIR/list1 
	cat $TMPDIR/list1 | uniq > $TMPDIR/list2
	FILES="$(diff $TMPDIR/list1 $TMPDIR/list2 | grep '<' | cut -f2 -d\ )"
	if [ "$FILES" != "" ]; then
		for i in $FILES ; do
			grep -qx "${i}" ${CONF}/blacklist && continue
			DOUBLEFILES="$DOUBLEFILES $i"
		done
		unset FILES
	fi

	rm ${TMPDIR}/waiting
	echo -e "DONE"

	if [ "$DOUBLEFILES" != "" ]; then
		echo -e "\
You have a broken $ROOT/var/log/packages - with two versions of the same package.\n\
The list of packages duplicated in your machine are shown below, but don't\n\
worry about this list - when you select your action, slackpkg will show a\n\
better list:\n"
		for i in $DOUBLEFILES ; do
			ls -1 $ROOT/var/log/packages |\
				egrep -i -- "^${i}-[^-]+-(${ARCH}|fw|noarch)-"
		done
		echo -ne "\n\
You can (B)lacklist, (R)emove, or (I)gnore these packages.\n\
Select your action (B/R/I): "
		read ANSWER
		echo
		case "$ANSWER" in
			B|b)
				showlist "$DOUBLEFILES" blacklist
				blacklist_pkg
			;;
			R|r)
				for i in $DOUBLEFILES ; do
					FILE=$(ls -1 $ROOT/var/log/packages |\
						egrep -i -- "^${i}-[^-]+-(${ARCH}|fw|noarch)-")
					FILES="$FILES $FILE"
				done
				showlist "$FILES" remove
				remove_pkg
			;;
			*)
				echo -e "\n\
Okay - slackpkg won't do anything now, but please, do something to fix it.\n"
				cleanup
			;;
		esac
	fi
}	

function blacklist_pkg() {
	echo $SHOWLIST | tr ' ' "\n" >> ${CONF}/blacklist

	echo -e "\nPackages added to your blacklist.\n\
If you want to remove those packages, edit ${CONF}/blacklist.\n"
}

function remove_pkg() {
	local i

	for i in $SHOWLIST; do
		echo -e "\nPackage: $i"
		echo -e "\tRemoving... "
		removepkg $i
        done
}

function upgrade_pkg() {
	local i

	if [ "$DOWNLOAD_ALL" = "on" ]; then
		OLDDEL="$DELALL"
		DELALL="off"
		for i in $SHOWLIST; do
			getpkg $i true
		done
		DELALL="$OLDDEL"
	fi
	for i in $SHOWLIST; do
		getpkg $i upgradepkg Upgrading
	done
}

function install_pkg() {
	local i

	if [ "$DOWNLOAD_ALL" = "on" ]; then
		OLDDEL="$DELALL"
		DELALL="off"
		for i in $SHOWLIST; do
			getpkg $i true
		done
		DELALL="$OLDDEL"
	fi
	for i in $SHOWLIST; do
		getpkg $i installpkg Installing
	done
}

#
# Template related functions
#
include_includes() {
	TEMPLATEFILE=$1
	COUNT=$((COUNT + 1))
	TMPFILE=$TMPDIR/$(basename $( echo $TEMPLATEFILE | cut -f1,2 -d. )).$COUNT.tmp
	INCLUDELIST="$( grep "^#include" $TEMPLATEFILE | cut -d\  -f2 )"
	if [ "$INCLUDELIST" != "" ]; then
		for INCLUDE in $INCLUDELIST ; do
			echo "#include $INCLUDE" \
				>> ${TMPFILE/.$COUNT/}.header
			cat $INCLUDE > $TMPFILE
			grep -v "^$" $TEMPLATEFILE | grep -v "^#" >> $TMPFILE
			include_includes $TMPFILE
		done
	else
		echo $TEMPLATEFILE
		return
	fi
}

parse_template() {
	if [ "$USE_INCLUDES" = "off" ]; then
		touch $TMPDIR/$1.header
		grep -v "^$" $1 | grep -v "^#" | sort -u > $TMPDIR/$1.tmp
	else
		TMPFILE=$(include_includes $1)
		sort -u $TMPFILE > $TMPDIR/$1.tmp
		if [ -e $TMPDIR/$1.tmp.header ]; then
			sort -u $TMPDIR/$1.tmp.header > $TMPDIR/$1.header
		fi
		rm $TMPDIR/$1.[0-9]*.tmp $TMPDIR/$1.tmp.header 2>/dev/null
	fi
}

generate_template() {
	if [ "$USE_INCLUDES" = "on" ]; then
		(
			cd $TEMPLATEDIR
			if [ "$(ls *.template 2>/dev/null)" != "" ]; then
				echo -e "\tParsing actual template files:"
				for i in *.template ; do
					echo -e "\t\t$i"
					parse_template $i
				done
			fi
		)
	fi

	touch $TMPDIR/allheaders

	touch $TMPDIR/waiting
	echo -e "\tGenerating slackware installed package list (this may take a while) \c"
	[ "$SPINNING" = "off" ] || spinning ${TMPDIR}/waiting &
	for i in $ROOT/var/log/packages/* ; do 
		PKGNAME=$( cutpkg $(basename $i))
		grep -q " $PKGNAME " ${WORKDIR}/pkglist && \
			echo $PKGNAME >> $TMPDIR/$TEMPLATE.work
	done  
	rm $TMPDIR/waiting
	echo " "

	echo -e "\tGenerating $TEMPLATE "
	for TMPLATE in $( wc -l $TMPDIR/* | sort -r | \
			  awk -F/ '/template.tmp/ { print $NF }'); do
		if ! $( grep -q "^#include.*${TMPLATE/.tmp/}" \
			$TMPDIR/allheaders) ; then
			diff -y $TMPDIR/$TEMPLATE.work $TMPDIR/$TMPLATE | \
				awk -vTMPDIR=$TMPDIR \
				 	'!/</ { print $1 > TMPDIR"/same" } 
					 /</ { print $1 > TMPDIR"/notsame" }'
			if $( diff -q 	$TMPDIR/$TMPLATE \
					$TMPDIR/same &>/dev/null ); then
				echo "#include ${TMPLATE/.tmp/}" \
					>> $TMPDIR/$TEMPLATE.header
				cat $TMPDIR/${TMPLATE/.tmp/}.header \
					>> $TMPDIR/allheaders 2>/dev/null
				cat $TMPDIR/same >> $TMPDIR/allfiles
			fi
		fi
	done

	if [ -e $TMPDIR/allfiles ]; then
		sort -u $TMPDIR/allfiles > $TMPDIR/alluniqfiles
	else
		touch $TMPDIR/alluniqfiles
	fi
	if [ -e $TMPDIR/$TEMPLATE.header ]; then
		cat $TMPDIR/$TEMPLATE.header > $TEMPLATEDIR/$TEMPLATE
	fi
	diff $TMPDIR/alluniqfiles $TMPDIR/$TEMPLATE.work |\
		 awk '/>/ { print $2 }' >> $TEMPLATEDIR/$TEMPLATE
}