-
Notifications
You must be signed in to change notification settings - Fork 1
/
graft.pl
2218 lines (1743 loc) · 67.3 KB
/
graft.pl
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
#!xPERLx -w
# $Id: graft.pl,v 2.16 2018/04/16 15:01:09 psamuel Exp $
#
# Virtual package installer.
#
# Author: Peter Samuel <peter.r.samuel@gmail.com>
###########################################################################
#
# This program 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
# (at your option) any later version.
#
# This program 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, or download it
# from the Free Software Foundation's web site:
#
# http://www.gnu.org/copyleft/gpl.html
# http://www.gnu.org/copyleft/gpl.txt
#
###########################################################################
#
# System defaults
use strict;
use File::Basename;
use Getopt::Long qw (:config bundling no_ignore_case);
$| = 1;
my %config; # Configuration and other runtime values
my %option; # Command line options
init(); # Argument parsing and set up
###########################################################################
#
# Process each package provided on the command line
foreach my $package (@ARGV) {
$package = stripslashes($package);
# Complain if the package directory is empty
if ( $package eq '' ) {
message(
tag => 'ERROR',
msg => 'Package directory cannot be empty.',
);
$config{errorStatus} = 3;
next;
}
# If the package is not fully qualified, prepend it with the
# default package target.
unless ( fullyqualified($package) ) {
$package = $config{packageDefault} . '/' . $package;
}
# Complain if the package directory does not exist.
unless ( -d $package ) {
message(
tag => 'ERROR',
msg => "Package directory $package does not exist.",
);
$config{errorStatus} = 3;
next;
}
if ( exists $option{stow} ) {
# Stow/Depot compatibility mode. Stow and Depot (in their
# default modes) assume that packages are installed in
# /dir/stow/pkg-nn or /dir/depot/pkg-nn. They also assume the
# symbolic links will be created in /dir. Graft's Stow/Depot
# compatibility mode takes a single argument as the
# installation directory of the package and grafts it into the
# directory which is the dirname of the dirname of the
# argument. (That's not a typo! That really _is_ two lots of
# dirname operations).
$config{target} = dirname dirname $package;
}
if ( exists $option{install} ) {
message(
tag => 'Installing',
msg => "links to $package in $config{target}"
) if $config{verbose};
logger(
tag => 'I',
log => [ $package, $config{target} ],
);
install(
source => $package,
target => $config{target},
);
next;
}
if ( exists $option{delete} ) {
message(
tag => 'Uninstalling',
msg => "links from $config{target} to $package",
) if $config{verbose};
logger(
tag => 'D',
log => [ $package, $config{target} ],
);
uninstall(
source => $package,
target => $config{target},
);
next;
}
if ( exists $option{prune} ) {
message(
tag => 'Pruning',
msg => "files in $config{target} which conflict with $package",
) if $config{verbose};
# Pruning is a special case of deletion
logger(
tag => 'P',
log => [ $package, $config{target} ],
);
uninstall(
source => $package,
target => $config{target},
);
next;
}
}
exit $config{errorStatus};
###########################################################################
sub cat {
# Open the named file and return a hash of the lines in the file.
# Duplicate entries are handled automatically by the hash.
my $file = shift;
my %hash;
if ( defined open FILE, $file ) {
while (<FILE>) {
chomp;
++$hash{$_};
}
close FILE;
return %hash;
}
else {
message(
tag => 'ERROR',
msg => "Could not open $file for reading: $!."
);
return undef;
}
}
sub checksum {
# Perform a CRC32 checksum on the named file
my $file = shift;
my $buffer;
my $crc = 0;
open FILE, $file
or die "Failed to open $file for checksum calculation: $!\n";
while ( read( FILE, $buffer, 65536, 0 ) ) {
$crc = crc32( $buffer, $crc );
}
close FILE;
return $crc;
}
sub directories {
# Return a hash of directories beneath the current directory.
# The special directories '.' and '..' will not be returned.
# Symbolic links to directories will be treated as links and
# NOT as directories.
my $dir = shift;
my %dirs;
return %dirs unless ( -d $dir );
if ( opendir DIR, $dir ) {
foreach ( readdir DIR ) {
next if /^\.\.?$/; # ignore '.' and '..'
next unless -d; # ignore non directories
next if -l; # ignore symbolic links to directories
++$dirs{ basename $_};
}
closedir DIR;
return %dirs;
}
else {
message(
tag => 'ERROR',
msg => "Could not open directory $dir for reading: $!"
);
return undef;
}
}
sub files {
# Return a hash of non directories beneath the named directory.
# Symbolic links to directories will also be returned.
my $dir = shift;
my %files;
return %files unless ( -d $dir );
if ( opendir DIR, $dir ) {
foreach ( readdir DIR ) {
next if ( -d and not -l ); # ignore real directories,
# symlinks to directories are OK.
++$files{ basename $_};
}
closedir DIR;
return %files;
}
else {
message(
tag => 'ERROR',
msg => "Could not open directory $dir for reading: $!",
);
return undef;
}
}
sub fullyqualified {
# return true if the argument is a fully qualified directory name
my $string = shift;
return $string =~ /^\// ? 1 : 0;
}
sub init {
# Die now if the OS does not support symbolic links!
( eval 'symlink "", "";', $@ eq '' )
or die "Your operating system does not support symbolic links.\n";
# If Compress::Raw::Zlib::crc32() is available, use it. This will be
# used for calculating CRC32 checksums for configuration files flagged
# by the existence of a xGRAFT-CONFIGx file. If the module is not
# available then this feature will be disabled. Error messages will be
# displayed later and only if relevant: IE a xGRAFT-CONFIGx file is
# present.
#
# Note that we need to use "require" followed by "import" instead of
# "use" to avoid compile time failures.
#
# use == BEGIN { require Module; import Module LIST; }
eval { require Compress::Raw::Zlib; };
unless ($@) {
import Compress::Raw::Zlib;
eval 'Compress::Raw::Zlib::crc32("")';
unless ($@) {
# The module exists and it has the crc32() function
$config{HasCRC32} = 1;
# Is File::Copy::copy() available?
eval { require File::Copy; };
unless ($@) {
import File::Copy;
eval 'File::Copy::copy("", ".")';
unless ($@) {
# The module exists and has the copy() function
$config{HasCopy} = 1;
}
else {
# The module exists but does not have the copy() function
delete $config{HasCopy};
}
}
else {
# The module does not exist
delete $config{HasCopy};
}
}
else {
# The module exists but does not have the crc32() function
delete $config{HasCRC32};
}
}
else {
# The module does not exist.
delete $config{HasCRC32};
}
###########################################################################
#
# System defaults
# Get the RCS revision number. If the file has been checked out for
# editing, add '+' to the revision number to indicate its state. The
# revision number is written to the log file for every graft operation.
# This is only used for testing new development versions.
my @rcsid =
split( ' ', '$Id: graft.pl,v 2.16 2018/04/16 15:01:09 psamuel Exp $' );
$config{version} = $rcsid[2];
$config{version} .= '+' if ( scalar @rcsid == 9 );
$config{progname} = basename $0; # this program's name
$config{exitOnConflict} = 1; # exit on conflicts - install only
# These initialisation values are in quotes to ensure the perl -c check
# passes. They are text values of the form xTEXTx which will be
# replaced by sed as part of the make process.
# Are superuser privileges required?
$config{superuser} = 'xSUPERUSERx';
# Preserve directory permissions on newly created directories?
# Only if SUPERUSER is set to 1 in the Makefile.
$config{preservePermissions} = 'xPRESERVEPERMSx';
$config{preservePermissions} = 0 unless ( $config{superuser} );
# Remove empty directories after an ungraft and remove conflicting
# objects discovered during a prune?
$config{deleteObjects} = 'xDELETEOBJECTSx';
# default location of log file
$config{logfile} = 'xLOGFILEx';
# names of special graft control files
$config{graftIgnore} = 'xGRAFT-IGNOREx';
$config{graftExclude} = 'xGRAFT-EXCLUDEx';
$config{graftInclude} = 'xGRAFT-INCLUDEx';
$config{graftConfig} = 'xGRAFT-CONFIGx';
# Should graft always ignore files and/or directories
# specified by $config{graftNever}?
$config{neverGraft} = 'xNEVERGRAFTx';
# default package and target directories
$config{packageDefault} = 'xPACKAGEDIRx';
$config{target} = 'xTARGETDIRx';
$config{targetTop} = $config{target};
# config file suffix
$config{configSuffix} = 'xCONFIG-SUFFIXx';
# pruned file suffix
$config{prunedSuffix} = 'xPRUNED-SUFFIXx';
# Verbosity is zero for the moment. Set by user with -v or -V options.
$config{verbose} = 0;
$config{veryVerbose} = 0;
###########################################################################
#
# Argument parsing
usage()
unless GetOptions(
C => sub { $option{neverGraft} = 1 },
D => sub { $option{deleteObjects} = 1 },
d => sub { $option{delete} = 1 },
i => sub { $option{install} = 1 },
L => sub { $config{locations} = 1 },
'l=s' => sub { $option{logfile} = $_[1] },
n => sub { $option{noexec} = 1 },
P => sub { $option{preservePermissions} = 1 },
p => sub { $option{prune} = 1 },
'r=s' => sub { $option{rootdir} = $_[1] },
s => sub { $option{stow} = 1 },
't=s' => sub { $option{target} = $_[1] },
u => sub { $option{superuser} = 1 },
V => sub { $option{veryVerbose} = 1 },
v => sub { $option{verbose} = 1 },
);
# -L wins every time
show_locations() if ( exists $config{locations} );
# User must supply one of the -d, -i or -p options
usage()
unless ( exists $option{delete}
or exists $option{install}
or exists $option{prune} );
# Options -d, -i and -p are mutually exclusive
usage()
if ( ( exists $option{delete} and exists $option{install} )
or ( exists $option{delete} and exists $option{prune} )
or ( exists $option{install} and exists $option{prune} ) );
if ( $config{superuser} ) {
# Silently ignore -P if the effective user is not root
delete $option{preservePermissions} if ($>);
# -P is only useful with -i
usage()
if ( exists $option{preservePermissions}
and ( exists $option{delete} or exists $option{prune} ) );
# -P and -u are mutally exclusive
usage()
if ( exists $option{preservePermissions}
and exists $option{superuser} );
}
# If there are objects to consider for ignoring automatically, -C is only useful with -i.
unless ( 'xGRAFT-NEVERx' eq '' ) {
usage()
if ( exists $option{neverGraft}
and ( exists $option{delete} or exists $option{prune} ) );
}
else {
delete $option{neverGraft};
}
# -D is only useful with -d or -p
usage() if ( exists $option{deleteObjects} and exists $option{install} );
# -s and -t are mutually exclusive
usage() if ( exists $option{stow} and exists $option{target} );
###########################################################################
#
# Argument processing
if ( exists $option{rootdir} ) {
# Only the superuser can choose a root directory. Needs to be
# enforced for noexec mode so that the output is correct.
die "Sorry, only the superuser can specify a root directory.\n"
unless ( $> == 0 );
# New root directory must be fully qualified and it must also exist
$config{rootdir} = $option{rootdir};
unless ( fullyqualified( $config{rootdir} ) ) {
message(
tag => 'ERROR',
msg =>
"Root directory $config{rootdir} is not fully qualified.",
);
usage();
}
unless ( -d $config{rootdir} ) {
message(
tag => 'ERROR',
msg => "Root directory $config{rootdir} does not exist.",
);
usage();
}
# Everything below this point will be relative to the "new" root
# directory - including the log file location!
chroot $config{rootdir}
or die "Failed to set new root directory to $config{rootdir}: $!\n";
# Failsafe chdir to make sure all is well.
chdir '/'
or die "Failed to chdir to new root directory $config{rootdir}: $!\n";
}
if ( exists $option{target} ) {
# Target directory must be fully qualified and it must also exist
$config{target} = $option{target};
$config{targetTop} = $config{target};
unless ( fullyqualified( $config{target} ) ) {
message(
tag => 'ERROR',
msg =>
"Target directory $config{target} is not fully qualified.",
);
usage();
}
unless ( -d $config{target} ) {
message(
tag => 'ERROR',
msg => "Target directory $config{target} does not exist.",
);
usage();
}
}
if ( exists $option{noexec} ) {
++$config{verbose}; # -n implies verbose
++$config{veryVerbose}; # -n implies very verbose
$config{exitOnConflict} = 0; # no need to exit on conflicts
}
else {
# Logfile must be fully qualified and its directory must exist
if ( exists $option{logfile} ) {
$config{logfile} = $option{logfile}; # User supplied log file name
}
unless ( fullyqualified( $config{logfile} ) ) {
message(
tag => 'ERROR',
msg => "Log file $config{logfile} is not fully qualified.",
);
usage();
}
my $dir = dirname $config{logfile};
unless ( -d $dir ) {
message(
tag => 'ERROR',
msg => "Cannot create log file $config{logfile}. No such"
. " directory as $dir.",
);
usage();
}
# How verbose is verbose?
++$config{verbose}
if ( exists $option{verbose} or exists $option{veryVerbose} );
++$config{veryVerbose} if ( exists $option{veryVerbose} );
}
usage() unless ( scalar @ARGV ); # Need package arguments
# We do the toggles last. Otherwise the command line arguments would
# affect the usage message which could confuse the punters. The toggles
# could be coded as ternary operators but these are more readable and
# obvious to me :)
# Only worry about toggling $config{neverGraft} if there are objects to
# consider for ignoring automatically. If there are no objects then
# force it to 0.
unless ( 'xGRAFT-NEVERx' eq '' ) {
if ( exists $option{neverGraft} ) # Toggle never graft flag
{
if ( $config{neverGraft} ) {
$config{neverGraft} = 0; # Was set to 1 in Makefile
}
else {
$config{neverGraft} = 1; # Was set to 0 in Makefile
}
}
if ( $config{neverGraft} ) {
# List of files and/or directories graft may never examine.
map { ++$config{graftNever}{$_} } qw ( xGRAFT-NEVERx );
}
}
else {
$config{neverGraft} = 0;
%{ $config{graftNever} } = ();
}
if ( exists $option{deleteObjects} ) # Toggle delete directories flag
{
if ( $config{deleteObjects} ) {
$config{deleteObjects} = 0; # Was set to 1 in Makefile
}
else {
$config{deleteObjects} = 1; # Was set to 0 in Makefile
}
}
if ( $config{superuser} ) {
if (
exists $option{preservePermissions}
) # Toggle preserve permissions flag
{
if ( $config{preservePermissions} ) {
$config{preservePermissions} = 0; # Was set to 1 in Makefile
}
else {
$config{preservePermissions} = 1; # Was set to 0 in Makefile
}
}
}
# Disable superuser privileges if superuser was set to 1 in Makefile
# and user specified -u on the command line.
$config{superuser} = 0
if ( exists $option{superuser} and $config{superuser} );
if ( $config{superuser} ) {
# Everything beyond this point requires superuser
# privileges unless -n or -u was specified on the command line.
die "Sorry, only the superuser can install or delete packages.\n"
unless ( $> == 0 or exists $option{noexec} );
}
# If everything succeeds, then exit with status 0. If a CONFLICT
# arises, then exit with status 1. If the user supplied invalid command
# line arguments the program has already exited with status 2. If one
# or more packages does not exist then exit with status 3.
$config{errorStatus} = 0; # Set default exit status
}
sub install {
# For each directory in $source, create a directory in $target.
# For each file in $source, create a symbolic link from $target.
my %arg = @_;
my $source = $arg{source};
my $target = $arg{target};
my %excludes;
my %includes;
unless ( chdir $source ) {
message(
tag => 'ERROR',
msg => "Could not change directories to $source: $!",
);
return;
}
message(
tag => 'Processing',
msg => "$source",
) if $config{verbose};
# Get a list of files and directories in the source and target directory.
my %sfiles = files($source);
my %tfiles = files($target);
my %sdirectories = directories($source);
my %tdirectories = directories($target);
# Flag any precedence conflicts in control files. In decending order of
# precedence:
#
# xGRAFT-IGNOREx > xGRAFT-EXCLUDEx > xGRAFT-INCLUDEx > xGRAFT-CONFIGx.
if ( exists $sfiles{ $config{graftIgnore} } ) {
if ( exists $sfiles{ $config{graftExclude} } ) {
message(
tag => 'IGNORE',
msg => "exclude file $source/$config{graftExclude}, overridden"
. " by bypass file $source/$config{graftIgnore}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftExclude} };
}
if ( exists $sfiles{ $config{graftInclude} } ) {
message(
tag => 'IGNORE',
msg => "include file $source/$config{graftInclude}, overridden"
. " by bypass file $source/$config{graftIgnore}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftInclude} };
}
if ( exists $sfiles{ $config{graftConfig} } ) {
message(
tag => 'IGNORE',
msg => "config file $source/$config{graftConfig}, overridden"
. " by bypass file $source/$config{graftIgnore}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftConfig} };
}
}
elsif ( exists $sfiles{ $config{graftExclude} } ) {
if ( exists $sfiles{ $config{graftInclude} } ) {
message(
tag => 'IGNORE',
msg => "include file $source/$config{graftInclude}, overridden"
. " by exclude file $source/$config{graftExclude}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftInclude} };
}
if ( exists $sfiles{ $config{graftConfig} } ) {
message(
tag => 'IGNORE',
msg => "config file $source/$config{graftConfig}, overridden"
. " by exclude file $source/$config{graftExclude}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftConfig} };
}
}
elsif ( exists $sfiles{ $config{graftInclude} } ) {
if ( exists $sfiles{ $config{graftConfig} } ) {
message(
tag => 'IGNORE',
msg => "config file $source/$config{graftConfig}, overridden"
. " by include file $source/$config{graftInclude}"
) if $config{veryVerbose};
delete $sfiles{ $config{graftConfig} };
}
}
if ( exists $sfiles{ $config{graftConfig} } ) {
unless ( exists $config{HasCRC32} ) {
die "Cannot process $sfiles{$config{graftConfig}} during install"
. " because Compress::Raw::Zlib::crc32() is unavailable\n";
}
unless ( exists $config{HasCopy} ) {
die "Cannot process $sfiles{$config{graftConfig}} because"
. " File::Copy::copy() is unavailable\n";
}
}
# Don't process this directory if a xGRAFT-IGNOREx file exists.
if ( exists $sfiles{ $config{graftIgnore} } ) {
message(
tag => 'BYPASS',
msg => "$source - $config{graftIgnore} file found",
) if $config{veryVerbose};
return;
}
# Grab the contents of the xGRAFT-EXCLUDEx or xGRAFT-INCLUDE files if
# they exist. They'll be used later if relevant.
%excludes = cat( $config{graftExclude} )
if ( exists $sfiles{ $config{graftExclude} } );
%includes = cat( $config{graftInclude} )
if ( exists $sfiles{ $config{graftInclude} } );
# Process each file in the current source directory
foreach my $file ( keys %sfiles ) {
# Don't graft control files
next if ( $file eq $config{graftExclude} );
next if ( $file eq $config{graftInclude} );
next if ( $file eq $config{graftConfig} );
if ( exists $sfiles{ $config{graftExclude} } ) {
if ( exists $excludes{$file} ) {
message(
tag => 'EXCLUDE',
msg => "file $source/$file - listed in"
. " $source/$config{graftExclude}",
) if $config{veryVerbose};
next;
}
# File is not specifically excluded so make the symlink
mklink( $source, $target, $file );
next;
}
if ( exists $sfiles{ $config{graftInclude} } ) {
if ( exists $includes{$file} ) {
if ( exists $config{graftNever}{$file} ) {
message(
tag => 'INCLUDE',
msg => "overriding never include directive"
. " for file $source/$file listed in"
. " $source/$config{graftInclude}",
) if $config{veryVerbose};
mklink( $source, $target, $file );
}
else {
message(
tag => 'INCLUDE',
msg => "file $source/$file - listed in"
. " $source/$config{graftInclude}",
) if $config{veryVerbose};
mklink( $source, $target, $file );
}
}
else {
message(
tag => 'IGNORE',
msg => "file $source/$file - not listed in"
. " $source/$config{graftInclude}",
) if $config{veryVerbose};
}
next;
}
if ( exists $config{graftNever}{$file} ) {
message(
tag => 'EXCLUDE',
msg => "file $source/$file will never be grafted",
) if $config{veryVerbose};
next;
}
if ( exists $sfiles{ $config{graftConfig} } ) {
mkcopy( $source, $target, $file );
next;
}
# Make the link as there is no control file or other explicit
# directive for this file.
mklink( $source, $target, $file );
}
# Process each directory in the current source directory
foreach my $dir ( sort keys %sdirectories ) {
if ( -f "$source/$dir/$config{graftIgnore}" ) {
# Explicitly ignore directories with xGRAFT-IGNOREx files.
# Avoids making empty directories in the target.
# Flag any precedence conflicts in control files for the
# sub-directory. In decending order of precedence:
#
# xGRAFT-IGNOREx > xGRAFT-EXCLUDEx > xGRAFT-INCLUDEx > xGRAFT-CONFIGx.
if ( -f "$source/$dir/$config{graftExclude}" ) {
message(
tag => 'IGNORE',
msg =>
"exclude file $source/$dir/$config{graftExclude}, overridden"
. " by bypass file $source/$dir/$config{graftIgnore}"
) if $config{veryVerbose};
}
if ( -f "$source/$dir/$config{graftInclude}" ) {
message(
tag => 'IGNORE',
msg =>
"include file $source/$dir/$config{graftInclude}, overridden"
. " by bypass file $source/$dir/$config{graftIgnore}"
) if $config{veryVerbose};
}
if ( -f "$source/$dir/$config{graftConfig}" ) {
message(
tag => 'IGNORE',
msg =>
"config file $source/$dir/$config{graftConfig}, overridden"
. " by bypass file $source/$dir/$config{graftIgnore}"
) if $config{veryVerbose};
}
message(
tag => 'BYPASS',
msg => "$source/$dir - $config{graftIgnore} file found",
) if $config{veryVerbose};
next;
}
if ( exists $sfiles{ $config{graftExclude} } ) {
if ( exists $excludes{$dir} ) {
message(
tag => 'EXCLUDE',
msg => "directory $source/$dir - listed in"
. " $source/$config{graftExclude}",
) if $config{veryVerbose};
next;
}
mkdirectory( $source, $target, $dir );
# Recursively descend into this directory and repeat the process.
install(
source => "$source/$dir",
target => "$target/$dir",
);
next;
}
if ( exists $sfiles{ $config{graftInclude} } ) {
if ( exists $includes{$dir} ) {
if ( exists $config{graftNever}{$dir} ) {
message(
tag => 'INCLUDE',
msg => "overriding never include directive"
. " for directory $source/$dir listed in"
. " $source/$config{graftInclude}",
) if $config{veryVerbose};
mkdirectory( $source, $target, $dir );
# Recursively descend into this directory and repeat
# the process.
install(
source => "$source/$dir",
target => "$target/$dir",
);
}
else {
message(
tag => 'INCLUDE',
msg => "directory $source/$dir - listed in"
. " $source/$config{graftInclude}",
) if $config{veryVerbose};
mkdirectory( $source, $target, $dir );
# Recursively descend into this directory and repeat