aboutsummaryrefslogtreecommitdiff
path: root/trunk/src/templatepkg
blob: 8d98950a81a8a2d59d3dbf9ff208faf8c076d2ff (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
#!/bin/bash
#
# templatepkg: template maintenance script from simplepkg suite
# feedback: rhatto at riseup.net | gpl
# 
#  Templatepkg is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  Templatepkg is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#
# $Rev$ - $Author$
#

COMMON="/usr/libexec/simplepkg/common.sh"
BASENAME="`basename $0`"

if [ -f "$COMMON" ]; then
  source $COMMON
  eval_config $BASENAME
else
  echo "error: file $COMMON found, check your $BASENAME installation"
  exit 1
fi

function usage_summary {

  echo "options are:"
  echo ""
  echo "  -c | --create: create a template from a jail or existing template"
  echo "  -u | --update: update a template from a jail"
  echo "  -a | --add: add files into a template"
  echo "  -d | --delete: delete files or folders from a template"
  echo "  -s | --sync: sync $TEMPLATE_FOLDER working copy"
  echo "  -e | --export: export $TEMPLATE_FOLDER to a svn repository"
  echo "  -i | --import: grab $TEMPLATE_FOLDER from a svn repository"   
  echo "  -r | --remove: remove a template"
  echo "  -l | --list: list templates"
  echo "  -b | --batch-edit: add or edit post-installation scripts"
  echo "  -p | --pack: create a package from a template"
  echo "  -t | --template-edit: edit template package list"
  echo "  -h | --help: display this summary"   
  echo ""   

}

function display_help {

  # display help
  # usage: help [help-topic]

  local option

  if [ -z "$1" ]; then
    echo "type $BASENAME --help <option> for aditional help"
    usage_summary
    exit
  fi

  option="$1"

  if ! echo $option | grep -q -e "^-"; then
    option="-`echo $option | sed -e 's/--/-/' -e 's/\(.\).*/\1/'`"
  else
    option="`echo $option | sed -e 's/--/-/' -e 's/\(..\).*/\1/'`"
  fi

  echo "$BASENAME: help for option $option:"
  echo ""

  usage_summary | grep -e "^  $option"

  echo ""
  case $option in

    "-c" | "--create")
      echo "      $BASENAME $option <template> [jail-root|template-name]"
      ;;
    "-u" | "--update")
      echo "      $BASENAME $option <template> [jail-root]"
      ;;
    "-a" | "--add")
      echo "      $BASENAME $option <template> <file-name> [jail-root]"
      echo ""
      echo "      file-name: the file or directory to be added"
      echo "      jail-root: the jail under file-name is located"
      ;;
    "-d" | "--delete")
      echo "      $BASENAME $option <template> <file-name> [jail-root]"
      echo ""
      echo "      file-name: the file or directory to be removed"
      echo "      jail-root: if specified, the file is also removed from the jail"
      ;;
    "-s" | "--sync")
      echo "      $BASENAME $option"
      ;;
    "-e" | "--export")
      echo "      $BASENAME $option <svn-repository>"
      ;;
    "-i" | "--import")
      echo "      $BASENAME $option <svn-repository>"
      ;;
    "-r" | "--remove")
      echo "      $BASENAME $option <template-name>"
      ;;
    "-l" | "--list")
      echo "      $BASENAME $option [path]"
      ;;
    "-b" | "--batch-edit")
      echo "      $BASENAME $option <template-name> <script-name>"
      ;;
    "-p" | "--pack")
      echo "      $BASENAME $option <template-name> [version] [build] [arch]"
      ;;
    "-t" | "--template-edit")
      echo "      $BASENAME $option <template-name>"
      ;;
    "-h" | "--help")
      echo "  -h | --help: display this help."   
      ;;
    *)
      echo $BASENAME: invalid help option $option
  esac

  case $option in
    "-c" | "-u" | "-a")
      echo ""
      echo "  if ommited, jail-root defaults to /"
      ;;
  esac

  echo ""

}

function usage {

  echo "usage: $BASENAME <option> [<template> [arguments]]"
  usage_summary
  exit

}

function import_export_templates {

  # import from or export to $TEMPLATE_FOLDER in a svn repository
  # usage: template_export <import|export> <repository>

  local templates templates_folder basedir repository mode preposition

  if [ "$?" != 0 ]; then
    usage
    exit 1
  elif ! templates_under_svn; then
    echo $BASENAME: simplepkg not configured to use svn
    exit 1
  fi

  templates_folder="$TEMPLATE_FOLDER"
  templates="`basename $TEMPLATE_FOLDER`"
  basedir="`dirname $templates_folder`"
  mode="$1"
  repository="$2"
  preposition="from"

  check_svn_repo $repository

  if [ ! -z "$2" ]; then

    if [ ! -d "$templates_folder/.svn" ]; then

      cd $basedir

      if [ "$mode" == "export" ]; then
        preposition="to"
        echo Exporting templates to $repository...
        svn import $templates/ $repository/ -m "initial import"
        if [ "$?" != "0" ]; then
          echo $BASENAME: export failed
          exit 1
        fi
      fi

      if [ -d "templates" ]; then
        mv $templates $templates.old
      fi

      echo Checking out templates from $repository...
      svn checkout $repository $templates

      if [ "$?" == "0" ]; then
        rm -rf $templates.old
      else
        rm -rf $templates
        mv $templates.old $templates
        echo $BASENAME: $mode failed
        exit 1
      fi

    else
      echo "$BASENAME: $templates_folder seens to be already $mode""ed $preposition $repository"
      exit 1
    fi

  fi

}

function template_create {

  # create a new template

  local template_base info_commit orig_template list
  local orig_packages orig_perms orig_scripts orig_files

  if [ ! -d "`dirname $TEMPLATE_BASE`" ]; then

    echo Creating template `basename $TEMPLATE_BASE`...

    if templates_under_svn && [ -d "`dirname $TEMPLATE_BASE`/.svn" ]; then
      cd `dirname $TEMPLATE_BASE`
      svn mkdir `dirname $TEMPLATE_BASE`
    else
      mkdir -p `dirname $TEMPLATE_BASE`
    fi

  else
    echo $BASENAME: template `basename $TEMPLATE_BASE` already exists
    exit 1
  fi

  touch `template_perms`
  touch `template_packages`

  if templates_under_svn && [ -d "`dirname $TEMPLATE_BASE`/.svn" ]; then

    cd `dirname $TEMPLATE_BASE`

    if ! svn_check `template_files`; then
      svn mkdir `template_files`
      info_commit="yes"
    else
      mkdir -p `template_files`
    fi

    if ! svn_check `template_scripts`; then
      svn mkdir `template_scripts`
      info_commit="yes"
    else
      mkdir -p `template_scripts`
    fi

    if ! svn_check `template_packages`; then
      svn add `template_packages`
      info_commit="yes"
    fi

    if ! svn_check `template_perms`; then
      svn add `template_perms`
      info_commit="yes"
    fi

  elif templates_under_svn && [ -d "$TEMPLATE_FOLDER/.svn" ]; then

    mkdir `template_files` `template_scripts`
    cd $TEMPLATE_FOLDER
    svn add `basename $TEMPLATE_BASE`
    info_commit="yes"

  else
    mkdir `template_files` `template_scripts`
  fi

  if [ -d "/$ROOT" ]; then
    template_update
  elif [ ! -z "$ROOT" ]; then

    # copy from an existing template

    if [ -d "$TEMPLATE_FOLDER/$ROOT" ]; then
      orig_template="$TEMPLATE_FOLDER/$ROOT"
    elif [ -d "$BASE_CONF/templates/$ROOT" ]; then
      orig_template="$BASE_CONF/templates/$ROOT"
    elif [ -d "$BASE_CONF/defaults/templates/$ROOT" ]; then
      orig_template="$BASE_CONF/defaults/templates/$ROOT"
    else
      return 1
    fi

    if [ -e "$orig_template/$ROOT/packages" ]; then
      orig_packages="$orig_template/$ROOT/packages"
      orig_perms="$orig_template/$ROOT/perms"
      orig_scripts="$orig_template/$ROOT/scripts"
      orig_files="$orig_template/$ROOT/files"
    else
      orig_packages="$orig_template/$ROOT.template"
      orig_perms="$orig_template/$ROOT.perms"
      orig_scripts="$orig_template/$ROOT.s"
      orig_files="$orig_template/$ROOT.d"
    fi

    if [ -f "$orig_perms" ]; then
      cat $orig_perms > `template_perms`
    fi

    if [ -f "$orig_packages" ]; then
      cat $orig_packages > `template_packages`
    fi
      
    if templates_under_svn && [ -d "$orig_template/.svn" ]; then

      cd `dirname $TEMPLATE_BASE`

      list="`ls $orig_files/ 2> /dev/null`"
      if [ ! -z "$list" ]; then
        echo Copying files to the new template...
        rsync -av --exclude=.svn $orig_files/ `template_files`/
        svn add `basename $(template_files)`/*
        info_commit="yes"
      fi

      list="`ls $orig_scripts/ 2> /dev/null`"
      if [ ! -z "$list" ]; then
        echo Copying scripts to the new template...
        rsync -av --exclude=.svn $orig_scripts/ `template_scripts`/
        svn add `basename $(template_scripts)`/*
        info_commit="yes"
      fi

    else

      list="`ls $orig_files/ 2> /dev/null`"
      if [ ! -z "$list" ]; then
        echo Copying files to the new template...
        rsync -av $orig_files/ `template_files`/
      fi

      list="`ls $orig_scripts/ 2> /dev/null`"
      if [ ! -z "$list" ]; then
        echo Copying scripts to the new template...
        rsync -av $orig_scripts/ `template_scripts`/
      fi

    fi

  else
    echo $BASENAME: warning: no root directory defined
  fi

  if [ "$info_commit" == "yes" ] && [ -z "$SILENT" ]; then
    echo "Please run 'jail-commit --all' to add files under $file into the svn repository"
  fi

}

function template_update {

  # update the template package list

  check_template_exist

  if [ ! -d "$ROOT/var/log/packages" ]; then
    echo $ROOT/var/log/packages: directory not found
    exit 1
  fi

  echo Checking package list for template `basename $TEMPLATE_BASE`...

  for package in `ls -1 $ROOT/var/log/packages/`; do
    pack=`package_name $package`
    if [ -f $TEMPLATE ]; then
      if ! `grep -v -e "^#" $TEMPLATE | cut -d : -f 1 | awk '{ print $1 }' | grep -q -e "^$pack\$"`; then
        echo $pack >> $TEMPLATE
        echo Adding $pack # on $TEMPLATE
      fi
    else
      echo $pack >> $TEMPLATE
      echo Adding $pack # on $TEMPLATE
    fi
  done

  # check if each package from the template is installed
  grep -v -e "^#" $TEMPLATE | cut -d : -f 1 | awk '{ print $1 }' | while read pack; do

    if [ ! -z "$pack" ]; then
      unset found
      for candidate in `ls $ROOT/var/log/packages/$pack* 2> /dev/null`; do
        candidate="`package_name $candidate`"
        if [ "$pack" == "$candidate" ]; then
          found="1"
          break
        fi
      done
      if [ "$found" != "1" ]; then
        # remove a non-installed package from the template
        sed "/^$pack$/d" $TEMPLATE | sed "/^$pack $/d" | sed "/^$pack:*/d" | sed "/^$pack */d" > $TEMPLATE.tmp
        cat $TEMPLATE.tmp > $TEMPLATE
        rm -f $TEMPLATE.tmp
        echo Removing $pack # from $TEMPLATE
      fi
    fi

  done

  if ! svn_check `template_packages` && [ -d "`dirname $TEMPLATE_BASE`/.svn" ]; then
    cd `dirname $TEMPLATE_BASE`
    svn add `basedir $(template_packages)`
  fi

}

function template_add {

  # add a file in a template
  # usage: template_add <jail-root> <file>

  local info_commit cwd

  if [ -z "$1" ] || [ -z "$2" ]; then
    return 1
  fi

  check_template_exist

  jail="/$1" 
  file="$2"

  if [ -a "`template_files`/$file" ]; then
    if [ -d "`template_files`/$file" ]; then

      echo $BASENAME: folder `slash $file` already on `template_files`, checking for contents

      cd $jail
      for candidate in `find $file`; do
        if [ ! -a "`template_files`/$candidate" ]; then
          mkdir -p `template_files`/`dirname $candidate`
          cp -a $jail/$candidate `template_files`/$candidate
          if templates_under_svn && [ -d "`template_files`/.svn" ]; then
            cwd="`pwd`"
            cd `template_files`
            svn add ./$candidate
            if [ "$?" != "0" ]; then
              echo $BASENAME: error adding `slash $candidate` into the revision system
            fi
            cd $cwd
            info_commit="yes"
          else
            echo Added `slash $jail/$candidate` on `slash $(template_files)/$candidate`
          fi
        fi
      done

      if [ "$info_commit" == "yes" ] && [ -z "$SILENT" ]; then
        echo "Please run 'jail-commit --all' to add files under `slash $file` into the svn repository"
      fi

    else
      echo $BASENAME: file `slash $file` already on `template_files`
      exit 1
    fi
  else

    if [ -a "$jail/$file" ]; then

      destination="`echo $(template_files)/$file | sed -e 's/\/$//'`"

      if templates_under_svn && [ -d "`template_files`/.svn" ]; then

        candidate="./`dirname $file`"

        if [ ! -d "`template_files`/$candidate/.svn" ]; then
          mkdir -p `template_files`/$candidate
          cd `template_files`/`dirname $candidate`
          while true; do
            if [ -d ".svn" ]; then
              svn add `basename $candidate`
              break
            else
              candidate="`basename $(pwd)`"
              cd ..
            fi
          done
        fi

        cp -a $jail/$file $destination

        cwd="`pwd`"
        cd `template_files`
        svn add ./$file

        if [ "$?" != "0" ]; then
          echo $BASENAME: error adding `slash $candidate` into the revision system
        else
          if [ -z "$SILENT" ]; then
            echo "Please run 'jail-commit --all' to add `slash $file` into the svn repository"
          fi
        fi

        cd $cwd

      else

        mkdir -p `template_files`/`dirname $file`/
        cp -a $jail/$file $destination
        echo Added `slash $jail/$file` on `slash $destination`

      fi

    else
      echo $BASENAME: `slash $jail/$file`: file not found
      exit 1
    fi
  fi

}

function check_template_exist {

  # check if a template exists
  # and create missing components

  local components

  components="`template_packages` `template_perms` `template_files` `template_scripts`"

  if [ ! -d "`dirname $TEMPLATE_BASE`" ]; then
    echo $BASENAME: template not found
    exit 1
  fi

  for component in $components; do

    if [ ! -e "$component" ]; then

      echo "$BASENAME: template component not found: $component; creating..."

      cd `dirname $TEMPLATE_BASE`

      if [ "$component" == "perms" ] || [ "$component" == "template" ]; then
        touch $component
      else
        mkdir $component
      fi

      if templates_under_svn && [ -d "`dirname $TEMPLATE_BASE`/.svn" ]; then
        svn add $component
        info_commit="yes"
      fi

    elif templates_under_svn && [ -d "`dirname $TEMPLATE_BASE`/.svn" ] && \
         ! svn_check $component; then

      cd `dirname $TEMPLATE_BASE`
      svn add $component
      info_commit="yes"

    fi

  done

  if [ "$info_commit" == "yes" ] && [ -z "$SILENT" ]; then
    echo "Please run 'jail-commit --all' to add new files in the svn repository"
  fi  

}

function template_delete {

  # delete a file from a template
  # usage: template_delete <file> [jail-root]

  if [ -e "`template_files`/$1" ]; then

    # first try to remove the file from the template
    if templates_under_svn && [ -d "`template_files`/.svn" ]; then
      cd `template_files`
      svn del --force ./$1 || rm -rf ./$1
      if [ -z "$SILENT" ]; then
        echo "Please run 'jail-commit --all' to del $1 in the svn repository"
      fi
    else
      rm -rf `template_files`/$1
      echo Removed $1 from `template_files`
    fi

    # then, if requested, remove the file from the jail
    if [ ! -z "$2" ]; then
      if [ ! -d "$2" ]; then
        echo $BASENAME: jail not found: $2
      elif [ -e "$2/$1" ]; then
        rm -rf $2/$1
        echo Removed $1 from jail $2
      else
        echo $BASENAME: file not found: $2/$1
      fi
    fi

  elif [ -e "`template_scripts`/$1" ]; then
    if templates_under_svn && [ -d "`template_scripts`/.svn" ]; then
      cd `template_scripts`
      svn del --force ./$1 || rm -rf ./$1
      if [ -z "$SILENT" ]; then
        echo "Please run 'jail-commit --all' to del $1 in the svn repository"
      fi
    else
      rm -rf `template_scripts`/$1
      echo Removed $1 from `template_scripts`
    fi
  else
    if [ ! -d "`template_files`" ]; then
      echo $BASENAME: template folder `template_files` not found
    else
      echo $BASENAME: file $1 not found at `template_files`
    fi
    exit 1
  fi

}

function template_remove {

  # remove a template
  # usage: template_remove

  local basedir template

  basedir="`dirname $TEMPLATE_BASE`"
  template="`basename $basedir`"

  if [ ! -d "$basedir" ]; then
    echo $BASENAME: template $template does not exist
    exit 1
  fi

  if templates_under_svn && [ -d "$basedir/.svn" ]; then
    cd $TEMPLATE_FOLDER
    svn update
    svn del --force $template
    if [ "$?" != "0" ]; then
      echo $BASENAME: error deleting template $template
    else
      svn commit -m "deleted $template"
      if [ "$?" != "0" ]; then
        echo $BASENAME: error commiting to svn repository
      fi
    fi
  else
    rm -rf $basedir
  fi

}

function template_list {

  # list templates
  # usage: template_list [path]

  local list basedir template

  if [ "$TEMPLATE_STORAGE_STYLE" != "own-folder" ] && \
     [ "$TEMPLATE_STORAGE_STYLE" != "compact" ]; then
    echo "$BASENAME: option only available if TEMPLATE_STORAGE_STYLE configured as 'own-folder' or 'compact'"
    return 1
  fi

  if echo $1 | grep -q "/" || [ ! -z "$1" ]; then

    template="`echo $1 | cut -d "/" -f 1`"

    if [ -e "$BASE_CONF/defaults/templates/$1" ]; then
      list="`ls $BASE_CONF/defaults/templates/$1 2> /dev/null`"
      if [ "$?" == "0" ]; then
        list="`echo $list | xargs`"
        echo "In the default template $template: $list"
      fi
    fi

    if [ -e "$TEMPLATE_FOLDER/$1" ]; then
      list="`ls $TEMPLATE_FOLDER/$1 2> /dev/null`"
      if [ "$?" == "0" ]; then
        list="`echo $list | xargs`"
        echo "In the custom template $template: $list"
      fi      
    fi

  else

    list="`ls $BASE_CONF/defaults/templates/$1 2> /dev/null`"
    if [ "$?" == "0" ]; then
      list="`echo $list | xargs`"
      echo "Default templates: $list"
    fi

    list="`ls $TEMPLATE_FOLDER/$1 2> /dev/null`"
    if [ "$?" == "0" ]; then
      list="`echo $list | xargs`"
      echo "Custom templates: $list"
    fi

  fi

}

function template_post_install_edit {

  # add or edit a post-installation script
  # usage: template_post_install_edit <script-name>

  if [ -z "$1" ]; then
    echo $BASENAME: no template specified
    exit 1
  elif echo $1 | grep -q "/"; then
    echo $BASENAME: error: invalid script name $1
  fi

  if [ -f "`template_scripts`/$1" ]; then
    sha1sum="`sha1sum $(template_scripts)/$1`"
    if [ ! -z "$EDITOR" ]; then
      $EDITOR `template_scripts`/$1
    else
      vi `template_scripts`/$1
    fi
    if [ "$sha1sum" != "`sha1sum $(template_scripts)/$1`" ] && \
       [ -d "`dirname $TEMPLATE_BASE`/.svn" ] && [ -z "$SILENT" ]; then
      echo "Please run 'jail-commit --all' to send changes to the repository"
    fi    
  else

    if [ -e "`template_scripts`/$1" ]; then

      echo $BASENAME: file `template_scripts`/$1 not a regular file

    elif [ -d "`template_scripts`" ]; then

      touch `template_scripts`/$1
      chmod +x `template_scripts`/$1

      if [ -d "`template_scripts`/.svn" ]; then
        cd `template_scripts`
        svn add $1
        if [ -z "$SILENT" ]; then
          echo "Please run 'jail-commit --all' to send the script to the repository"
        fi
      fi

      echo "$BASENAME: script created; run templatepkg -p `basename $TEMPLATE_BASE` $1 again to edit it"

    else
      echo $BASENAME: folder not found: `template_scripts`
    fi

  fi

}

function template_edit {

  # edit a template package list
  # usage: template_edit

  if [ -f "`template_packages`" ]; then
    sha1sum="`sha1sum $(template_packages)`"
    if [ ! -z "$EDITOR" ]; then
      $EDITOR `template_packages`
    else
      vi `template_packages`
    fi
    if [ "$sha1sum" != "`sha1sum $(template_packages)`" ] && \
       [ -d "`dirname $TEMPLATE_BASE`/.svn" ] && [ -z "$SILENT" ]; then
      echo "Please run 'jail-commit --all' to send changes to the repository"
    fi
  elif [ -e "`template_packages`" ]; then
    echo $BASENAME: file `template_packages` not a regular file
  else
    echo $BASENAME: file not found: `template_packages`
  fi

}

function require {

  # requires a string
  # usage: require [string]

  if [ -z "$1" ]; then
    usage
  fi

}

function setroot {

  # set ROOT variable
  # usage: setroot <value1> <value2>
  
  if [ -z "$1" ]; then
    ROOT="/"
  else
    ROOT="$1"
  fi

}

function create_doinst {

  # create a doinst.sh from a template perms file
  # usage: create_doinst <doinst-path>

  rm -f $1/doinst.sh

  if [ -s "`template_perms`" ]; then
    echo Creating doinst.sh...
    cat `template_perms` | while read entry; do
      file="`echo $entry | cut -d ";" -f 1`"
      if [ -e "`template_files`/$file" ]; then
        owner="`echo $entry | cut -d ";" -f 2`"
        group="`echo $entry | cut -d ";" -f 3`"
        perms="`echo $entry | cut -d ";" -f 4`"
        echo "( chmod $perms /$file )" >> $1/doinst.sh
        echo "( chown $owner:$group /$file )" >> $1/doinst.sh
      fi
    done
  fi

}

function package_template {

  # make a package from a template
  # usage: package_template [version] [build] [arch]

  local template version build arch

  template="`basename $TEMPLATE_BASE`"

  if [ ! -d "`template_files`" ]; then
    $BASENAME: folder not found: `template_files`
    return 1
  fi

  echo Buiding package for template $template...

  if [ -z "$1" ]; then
    version="1"
  else
    version="$1"
  fi

  if [ -z "$2" ]; then
    build="1"
  else
    build="$2"
  fi

  if [ -z "$3" ]; then
    arch="noarch"
  else
    arch="$3"
  fi

  TMP=${TMP:=/tmp}
  rm -rf $TMP/templatepkg
  mkdir -p $TMP/templatepkg

  rsync -av --exclude=.svn `template_files`/ $TMP/templatepkg/
  mkdir $TMP/templatepkg/install
  create_doinst $TMP/templatepkg/install

  echo "template-$template: template-$template" > $TMP/templatepkg/install/slack-desc
  echo "template-$template: " >> $TMP/templatepkg/install/slack-desc
  echo "template-$template: simplepkg template $template" >> $TMP/templatepkg/install/slack-desc

  for ((n=1;n<=8;n++)); do
    echo "template-$template: " >> $TMP/templatepkg/install/slack-desc
  done

  cd $TMP/templatepkg

  makepkg -c n -l y $TMP/template-$template-$version-noarch-$build.tgz

  cd $TMP
  rm -rf templatepkg

}

# -----------------------------------------------------
#                       main
# -----------------------------------------------------

if [ ! -z "$2" ]; then
  search_template $2 --new
fi

TEMPLATE="`template_packages`"

if [ "$1" == "-u" ] || [ "$1" == "--update" ]; then

  require $2
  setroot $3
  template_update

elif [ "$1" == "-c" ] || [ "$1" == "--create" ]; then

  require $2
  setroot $3
  template_create

elif [ "$1" == "-a" ] || [ "$1" == "--add" ]; then

  require $2

  if [ -z "$3" ]; then
    usage
  else
    setroot $4
  fi

  template_add $ROOT $3

elif [ "$1" == "-d" ] || [ "$1" == "--delete" ]; then

  require $2

  if [ -z "$3" ]; then
    usage
  else
    template_delete $3 $4
  fi

elif [ "$1" == "-s" ] || [ "$1" == "--sync" ]; then

  if templates_under_svn && [ -d "$TEMPLATE_FOLDER/.svn" ]; then
    ( cd $TEMPLATE_FOLDER && svn update )
    true
  fi

elif [ "$1" == "-e" ] || [ "$1" == "--export" ]; then
 
  require $2 
  import_export_templates export $2

elif [ "$1" == "-i" ] || [ "$1" == "--import" ]; then

  require $2
  import_export_templates import $2

elif [ "$1" == "-r" ] || [ "$1" == "--remove" ]; then

  require $2
  template_remove

elif [ "$1" == "-l" ] || [ "$1" == "--list" ]; then

  template_list $2

elif [ "$1" == "-b" ] || [ "$1" == "--batch-edit" ]; then

  require $3
  template_post_install_edit $3

elif [ "$1" == "-t" ] || [ "$1" == "--template-edit" ]; then

  require $2
  template_edit

elif [ "$1" == "-p" ] || [ "$1" == "--pack" ]; then

  require $2
  shift ; shift
  package_template $*

elif [ "$1" == "-h" ] || [ "$1" == "--help" ]; then

  display_help $2 

else
  usage
fi