ViewVC Help

View File | Revision Log | Show Annotations | Root Listing

root/cvsroot/COMP/SCRAM/src/Configuration/ConfigArea.pm

Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.7 by williamc, Wed Feb 9 08:16:15 2000 UTC vs.
Revision 1.18 by williamc, Fri Sep 22 08:05:47 2000 UTC

#	Line 1 | Line 1
1		#
2		# ConfigArea.pm
3		#
4	<	# Originally Written by Christopher Williams
4	>	# Written by Christopher Williams
5		#
6		# Description
7	+	# -----------
8	+	# creates and manages a configuration area
9	+	#
10	+	# Notes
11	+	# -------
12	+	# Persistency - remember to call the save method to make changes persistent
13		#
14		# Interface
15		# ---------
16	<	# new(ActiveConfig)             : A new ConfigArea object
17	<	# setup()                       : setup the configuration area
18	<	# location([dir])               : set/return the location of the area
19	<	# version([version])            : set/return the version of the area
20	<	# name([name])                  : set/return the name of the area
21	<	# store(location)               : store data in file location
22	<	# restore(location)             : restore data from file location
23	<	# meta()                        : return a description string of the area
24	<	# addconfigitem(url)            : add a new item to the area
25	<	# configitem(@keys)             : return a list of fig items that match
20	<	#                                 the keys - all if left blank
21	<	# parentstore()                 : set/return the parent ObjectStore
22	<	# bootstrapfromlocation([location]): bootstrap the object based on location.
23	<	#                                 no location specified - cwd used
16	>	# new()                         : A new ConfigArea object
17	>	# name()                        : get/set project name
18	>	# setup(dir[,areaname])         : setup a fresh area in dir
19	>	# satellite(dir[,areaname])     : setup a satellite area in dir
20	>	# version()                     : get/set project version
21	>	# location([dir])               : set/return the location of the work area
22	>	# bootstrapfromlocation([location]) : bootstrap the object based on location.
23	>	#                                     no location specified - cwd used
24	>	#                                     return 0 if succesful 1 otherwise
25	>	# requirementsdoc()             : get set the requirements doc
26		# searchlocation([startdir])    : returns the location directory. search starts
27		#                                 from cwd if not specified
28	<	# defaultdirname()              : return the default directory name string
29	<	# copy(location)                : make a copy of the current area at the
30	<	#                                 specified location - return an object
31	<	#                                 representing the area
32	<	# linkarea(oref)                : link area with another
28	>	# scramversion()                : return the scram version associated with
29	>	#                                 area
30	>	# configurationdir()            : return the location of the project
31	>	#                                 configuration directory
32	>	# copy(location)                : copy a configuration
33	>	# copysetup(location)           : copy the architecture specific tool setup
34	>	#                                 returns 0 if successful, 1 otherwise
35	>	# copyenv($ref)                 : copy the areas environment into the hashref
36	>	# toolbox()                     : return the areas toolbox object
37	>	# save()                        : save changes permanently
38	>	# linkto(location)              : link the current area to that at location
39	>	# unlinkarea()                  : destroy link (autosave)
40	>	# linkarea([ConfigArea])        : get/set a link from the current area to the apec Area Object
41	>	# archname()            : get/set a string to indicate architecture
42	>	# archdir()             : return the location of the administration arch dep
43	>	#                         directory
44	>	# objectstore()         : return the objectStore object of the area
45	>	# - temporary
46	>	# align()                       : adjust hard paths to suit local loaction
47
48		package Configuration::ConfigArea;
33	–	use ActiveDoc::ActiveDoc;
49		require 5.004;
50	+	use URL::URLcache;
51		use Utilities::AddDir;
52	+	use Utilities::Verbose;
53		use ObjectUtilities::ObjectStore;
54		use Cwd;
55	<	@ISA=qw(ActiveDoc::ActiveDoc ObjectUtilities::StorableObject);
39	<
40	<	sub init {
41	<	my $self=shift;
55	>	@ISA=qw(Utilities::Verbose);
56
57	<	$self->newparse("init");
58	<	$self->newparse("download");
59	<	$self->newparse("setup");
60	<	$self->addtag("init","project",\&Project_Start,$self,
61	<	\&Project_text,$self,"", $self );
62	<	$self->addurltags("download");
63	<	$self->addtag("download","use",\&Use_download_Start,$self,
64	<	"", $self, "",$self);
65	<	$self->addurltags("setup");
66	<	$self->addtag("setup","use",\&Use_Start,$self, "", $self, "",$self);
57	>	sub new {
58	>	my $class=shift;
59	>	my $self={};
60	>	bless $self, $class;
61	>
62	>	# data init
63	>	$self->{admindir}=".SCRAM";
64	>	$self->{cachedir}="cache";
65	>	$self->{dbdir}="ObjectDB";
66	>	undef $self->{linkarea};
67	>
68	>	return $self;
69	>	}
70	>
71	>	sub cache {
72	>	my $self=shift;
73	>
74	>	if ( @_ ) {
75	>	$self->{cache}=shift;
76	>	}
77	>	if ( ! defined $self->{cache} ) {
78	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
79	>	if ( -e $loc  ) {
80	>	$self->{cache}=URL::URLcache->new($loc);
81	>	}
82	>	else {
83	>	$self->{cache}=undef;
84	>	}
85	>	}
86	>	return $self->{cache};
87	>	}
88	>
89	>	sub _newcache {
90	>	my $self=shift;
91	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
92	>	$self->{cache}=URL::URLcache->new($loc);
93	>	return $self->{cache};
94	>	}
95	>
96	>	sub _newobjectstore {
97	>	my $self=shift;
98	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
99	>	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
100	>	return $self->{dbstore};
101	>	}
102	>
103	>	sub objectstore {
104	>	my $self=shift;
105	>
106	>	if ( @_ ) {
107	>	$self->{dbstore}=shift;
108	>	}
109	>	if ( ! defined $self->{dbstore} ) {
110	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
111	>	if ( -e $loc ) {
112	>	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
113	>	}
114	>	else {
115	>	$self->{dbstore}=undef;
116	>	}
117	>	}
118	>	return $self->{dbstore}
119		}
120
121	+	sub name {
122	+	my $self=shift;
123	+	@_?$self->{name}=shift
124	+	:$self->{name};
125	+	}
126
127	<	sub defaultdirname {
127	>	sub version {
128		my $self=shift;
129	<	my $name=$self->name();
130	<	my $vers=$self->version();
60	<	$vers=~s/^$name_//;
61	<	$name=$name."_".$vers;
62	<	return $name;
63	<
129	>	@_?$self->{version}=shift
130	>	:$self->{version};
131		}
132
133		sub setup {
134		my $self=shift;
135	+	my $location=shift;
136	+	my $areaname;
137
138	<	# --- find out the location - default is cwd
139	<	my $location=$self->option("area_location");
138	>	# -- check we have a project name and version
139	>	my $name=$self->name();
140	>	my $vers=$self->version();
141	>	if ( ( ! defined $name ) && ( ! defined $version )) {
142	>	$self->error("Set ConfigArea name and version before setup");
143	>	}
144	>
145	>	# -- check arguments and set location
146		if ( ! defined $location ) {
147	<	$location=cwd();
147	>	$self->error("ConfigArea: Cannot setup new area without a location");
148		}
149	<	elsif ( $location!~/^\// ) {
150	<	$location=cwd()."/".$location;
149	>	if ( @_ ) {
150	>	$areaname=shift;
151		}
152	<
153	<	# --- find area directory name , default name projectname_version
154	<	my $name=$self->option("area_name");
155	<	if ( ! defined $name ) {
81	<	$name=$self->defaultdirname();
152	>	if ( (! defined $areaname) || ( $areaname eq "" ) ) {
153	>	# -- make up a name from the project name and version
154	>	$vers=~s/^$name\_//;
155	>	$areaname=$name."_".$vers;
156		}
157	<	$self->location($location."/".$name);
158	<
159	<	# make a new store handler
160	<	$self->_setupstore();
157	>	my $arealoc=$location."/".$areaname;
158	>	my $workloc=$arealoc."/".$self->{admindir};
159	>	$self->verbose("Building at $arealoc");
160	>	$self->location($arealoc);
161
162	<	# --- download everything first
163	<	# FIX-ME --- cacheing is broken
90	<	$self->parse("download");
91	<
92	<	# --- and parse the setup file
93	<	$self->parse("setup");
94	<
95	<	# --- store bootstrap info
96	<	$self->store($self->location()."/.SCRAM/ConfigArea.dat");
162	>	# -- create top level structure and work area
163	>	AddDir::adddir($workloc);
164
165	<	# --- store self in original database
166	<	$self->parentconfig()->store($self,"ConfigArea",$self->name(),
100	<	$self->version());
101	<	}
165	>	# -- add a cache
166	>	$self->_newcache();
167
168	<	sub _setupstore {
169	<	my $self=shift;
168	>	# -- add an Objectstore
169	>	$self->_newobjectstore();
170
171	<	# --- make a new ActiveStore at the location and add it to the db list
172	<	my $ad=ActiveDoc::ActiveConfig->new($self->location()."/\.SCRAM");
171	>	# -- Save Environment File
172	>	$self->_SaveEnvFile();
173
109	–	$self->parentconfig($self->config());
110	–	#        $self->config(Configuration::ConfigureStore->new());
111	–	#        $self->config()->db("local",$ad);
112	–	#        $self->config()->db("parent",$self->parentconfig());
113	–	#        $self->config()->policy("cache","local");
114	–	$self->config($ad);
115	–	$self->config()->basedoc($self->parentconfig()->basedoc());
174		}
175
176	<	sub bootstrapfromlocation {
176	>	sub configurationdir {
177		my $self=shift;
178	<
179	<	if ( ! defined $self->location(@_) ) {
122	<	$self->error("Unable to locate the top of local configuration area");
178	>	if ( @_ ) {
179	>	$self->{configurationdir}=shift;
180		}
181	<	print "Found top ".$self->location()."\n";
125	<	$self->_setupstore();
126	<	$self->restore($self->location()."/.SCRAM/ConfigArea.dat");
127	<	}
128	<
129	<	sub parentconfig {
130	<	my $self=shift;
131	<	@_?$self->{parentconfig}=shift
132	<	:$self->{parentconfig};
133	<	}
134	<
135	<	sub store {
136	<	my $self=shift;
137	<	my $location=shift;
138	<
139	<	my $fh=$self->openfile(">".$location);
140	<	$self->savevar($fh,"location", $self->location());
141	<	$self->savevar($fh,"url", $self->url());
142	<	$self->savevar($fh,"name", $self->name());
143	<	$self->savevar($fh,"version", $self->version());
144	<	$fh->close();
181	>	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
182		}
183
184	<	sub copy {
184	>	sub toolbox {
185		my $self=shift;
186	<	my $destination=shift;
187	<	use File::Basename;
188	<	# create the area
189	<
153	<	AddDir::adddir(dirname($destination));
154	<
155	<	$temp=$self->location();
156	<	my @cpcmd=(qw(cp -r), "$temp", "$destination");
157	<	print "@cpcmd"."\n";
158	<	#       File::Copy::copy("$self->location()", "$destination") or
159	<	system(@cpcmd) == 0 or
160	<	$self->error("Cannot copy ".$self->location().
161	<	" to $destination ".$!);
162	<
163	<	# create a new object based on the new area
164	<	my $newarea=ref($self)->new($self->parentconfig());
165	<	$newarea->bootstrapfromlocation($destination);
166	<	# save it with the new location info
167	<	$newarea->store($self->location()."/.SCRAM/ConfigArea.dat");
186	>	if ( ! defined $self->{toolbox} ) {
187	>	$self->{toolbox}=BuildSystem::ToolBox->new($self);
188	>	}
189	>	return $self->{toolbox};
190		}
191
192	<	sub restore {
192	>	sub requirementsdoc {
193		my $self=shift;
194	<	my $location=shift;
195	<
196	<	my $fh=$self->openfile("<".$location);
197	<	my $varhash={};
198	<	$self->restorevars($fh,$varhash);
199	<	if ( ! defined $self->location() ) {
200	<	$self->location($$varhash{"location"});
201	<	}
202	<	$self->_setupstore();
181	<	$self->url($$varhash{"url"});
182	<	$self->name($$varhash{"name"});
183	<	$self->version($$varhash{"version"});
184	<	$fh->close();
194	>	if ( @_ ) {
195	>	$self->{reqdoc}=shift;
196	>	}
197	>	if ( defined $self->{reqdoc} ) {
198	>	return $self->location()."/".$self->{reqdoc};
199	>	}
200	>	else {
201	>	return undef;
202	>	}
203		}
204
205	<	sub name {
205	>	sub scramversion {
206		my $self=shift;
207	<
208	<	@_?$self->{name}=shift
209	<	:$self->{name};
207	>	if ( ! defined $self->{scramversion} ) {
208	>	my $filename=$self->location()."/".$self->configurationdir()."/".
209	>	"scram_version";
210	>	if ( -f $filename ) {
211	>	use FileHandle;
212	>	$fh=FileHandle->new();
213	>	open ($fh, "<".$filename);
214	>	my $version=<$fh>;
215	>	chomp $version;
216	>	$self->{scramversion}=$version;
217	>	undef $fh;
218	>	}
219	>	}
220	>	return $self->{scramversion};
221		}
222
223	<	sub version {
223	>	sub bootstrapfromlocation {
224		my $self=shift;
225
226	<	@_?$self->{version}=shift
227	<	:$self->{version};
226	>	my $rv=0;
227	>
228	>	my $location;
229	>	if ( ! defined ($location=$self->searchlocation(@_)) ) {
230	>	$rv=1;
231	>	$self->verbose("Unable to locate the top of local configuration area");
232	>	}
233	>	else {
234	>	$self->location($location);
235	>	$self->verbose("Found top ".$self->location());
236	>	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
237	>	$self->_LoadEnvFile();
238	>	}
239	>	return $rv;
240		}
241
242		sub location {
#	Line 216 | Line 257 | sub searchlocation {
257
258		#start search in current directory if not specified
259		my $thispath;
260	<	@_?$thispath=shift
261	<	:$thispath=cwd();
260	>	if ( @_ ) {
261	>	$thispath=shift
262	>	}
263	>	else {
264	>	$thispath=cwd();
265	>	}
266
267		my $rv=0;
268
269	+	# chop off any files - we only want dirs
270	+	if ( -f $thispath ) {
271	+	$thispath=~s/(.*)\/.*/$1/;
272	+	}
273		Sloop:{
274		do {
275	<	#         print "Searching $thispath\n";
276	<	if ( -e "$thispath/.SCRAM" ) {
277	<	#           print "Found\n";
275	>	$self->verbose("Searching $thispath");
276	>	if ( -e "$thispath/".$self->{admindir} ) {
277	>	$self->verbose("Found\n");
278		$rv=1;
279		last Sloop;
280		}
#	Line 234 | Line 283 | sub searchlocation {
283		return $rv?$thispath:undef;
284		}
285
286	<	sub meta {
286	>	sub archname {
287		my $self=shift;
288	+	if ( @_ ) {
289	+	$self->{archname}=shift;
290	+	}
291	+	return $self->{archname};
292	+	}
293
294	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
295	<	$self->location;
294	>	sub archdir {
295	>	my $self=shift;
296	>	if ( @_ ) {
297	>	$self->{archdir}=shift;
298	>	}
299	>	if ( ! defined $self->{archdir} ) {
300	>	if ( defined $self->{archname} ) {
301	>	$self->{archdir}=$self->location()."/".$self->{admindir}."/".
302	>	$self->{archname};
303	>	}
304	>	else {
305	>	$self->error("ConfigArea : cannot create arch directory - ".
306	>	"architecture name not set")
307	>	}
308	>	}
309	>	return $self->{archdir};
310		}
311
312	<	sub configitem {
312	>	sub satellite {
313		my $self=shift;
314	+
315	+	# -- create the sat object
316	+	my $sat=Configuration::ConfigArea->new();
317	+	$sat->name($self->name());
318	+	$sat->version($self->version());
319	+	$sat->requirementsdoc($self->{reqdoc});
320	+	$sat->configurationdir($self->configurationdir());
321	+	$sat->setup(@_);
322	+
323	+	# -- copy across the cache and ObjectStore
324	+	# -- make sure we dont try building new caches in release areas
325	+	my $rcache=$self->cache();
326	+	if ( defined $rcache ) {
327	+	copy($rcache->location(),$sat->cache()->location());
328	+	}
329	+
330	+	# -- make sure we dont try building new objectstores in release areas
331	+	my $rostore=$self->objectstore();
332	+	if ( defined $rostore ) {
333	+	copy($rostore->location(),$sat->objectstore()->location());
334	+	}
335	+
336	+	# and make sure in reinitialises
337	+	undef ($sat->{cache});
338	+
339	+	# -- link it to this area
340	+	$sat->linkarea($self);
341
342	<	return ($self->config()->find("ConfigItem",@_));
342	>	# -- save it
343	>	$sat->save();
344	>
345	>	return $sat;
346		}
347
348	<	sub addconfigitem {
348	>	sub copy {
349		my $self=shift;
350	<	my $url=shift;
350	>	my $destination=shift;
351
352	<	my $docref=$self->activatedoc($url);
353	<	# Set up the document
354	<	$docref->setup();
355	<	#       $self->config()->storepolicy("local");
352	>	# copy across the admin dir
353	>	my $temp=$self->location()."/".$self->{admindir};
354	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
355	>	}
356	>
357	>	sub align {
358	>	my $self=shift;
359	>	use File::Copy;
360	>
361	>	$self->_LoadEnvFile();
362	>	my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
363	>	my $tmpEnvfile=$Envfile.".bak";
364	>	my $rel=$self->{ENV}{RELEASETOP};
365	>	my $local=$self->location();
366	>
367	>	rename( $Envfile, $tmpEnvfile );
368	>	use FileHandle;
369	>	my $fh=FileHandle->new();
370	>	my $fout=FileHandle->new();
371	>	open ( $fh, "<".$tmpEnvfile ) or
372	>	$self->error("Cannot find Environment file. Area Corrupted? ("
373	>	.$self->location().")\n $!");
374	>	open ( $fout, ">".$Envfile ) or
375	>	$self->error("Cannot find Environment file. Area Corrupted? ("
376	>	.$self->location().")\n $!");
377	>	while ( <$fh> ) {
378	>	$_=~s/\Q$rel\L/$local/g;
379	>	print $fout $_;
380	>	}
381	>	undef $fh;
382	>	undef $fout;
383		}
384
385	<	# -------------- Tags ---------------------------------
261	<	# -- init parse
262	<	sub Project_Start {
385	>	sub copysetup {
386		my $self=shift;
387	<	my $name=shift;
265	<	my $hashref=shift;
387	>	my $dest=shift;
388
389	<	$self->checktag($name,$hashref,'name');
390	<	$self->checktag($name,$hashref,'version');
391	<
392	<	$self->name($$hashref{'name'});
393	<	$self->version($$hashref{'version'});
389	>	my $rv=1;
390	>	# copy across the admin dir
391	>	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
392	>	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
393	>	if ( $temp ne $temp2 ) {
394	>	if ( -d $temp ) {
395	>	AddDir::copydir($temp,$temp2);
396	>	$rv=0;
397	>	}
398	>	}
399	>	return $rv;
400		}
401
402	+	sub copyenv {
403	+	my $self=shift;
404	+	my $hashref=shift;
405	+
406	+	foreach $elem ( keys %{$self->{ENV}} ) {
407	+	$$hashref{$elem}=$self->{ENV}{$elem};
408	+	}
409	+	}
410
411	<	sub Project_text {
411	>	sub arch {
412		my $self=shift;
413	<	my $name=shift;
414	<	my $string=shift;
413	>	return $ENV{SCRAM_ARCH};
414	>	}
415
416	<	print $string;
416	>	sub linkto {
417	>	my $self=shift;
418	>	my $location=shift;
419	>	if ( -d $location ) {
420	>	my $area=Configuration::ConfigArea->new();
421	>	$area->bootstrapfromlocation($location);
422	>	$self->linkarea($area);
423	>	}
424	>	else {
425	>	$self->error("ConfigArea : Unable to link to non existing directory ".
426	>	$location);
427	>	}
428		}
429
430	<	# ---- download parse
430	>	sub unlinkarea {
431	>	my $self=shift;
432	>	undef $self->{linkarea};
433	>	$self->{linkarea}=undef;
434	>	$self->save();
435	>	}
436
437	<	sub Use_download_Start {
437	>	sub linkarea {
438		my $self=shift;
439	<	my $name=shift;
440	<	my $hashref=shift;
439	>	my $area=shift;
440	>	if ( defined $area ) {
441	>	$self->{linkarea}=$area;
442	>	}
443	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
444	>	$self->{linkarea}:undef;
445	>	}
446
447	<	$self->checktag($name,$hashref,'url');
448	<	print "Downloading .... ".$$hashref{'url'}."\n";
449	<	$self->getfile($$hashref{'url'});
447	>	sub save {
448	>	my $self=shift;
449	>	$self->_SaveEnvFile();
450		}
451
452	<	# --- setup parse
452	>	# ---- support routines
453
454	<	sub Use_Start {
454	>	sub _SaveEnvFile {
455		my $self=shift;
456	<	my $name=shift;
457	<	my $hashref=shift;
456	>	use FileHandle;
457	>	my $fh=FileHandle->new();
458	>	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
459	>	"Environment" ) or
460	>	$self->error("Cannot Open Environment file to Save ("
461	>	.$self->location().")\n $!");
462
463	<	$self->checktag($name,$hashref,'url');
464	<	$self->addconfigitem($$hashref{'url'});
463	>	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
464	>	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
465	>	print $fh "projconfigdir=".$self->configurationdir()."\n";
466	>	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
467	>	if ( defined $self->linkarea() ) {
468	>	my $area=$self->linkarea()->location();
469	>	if ( $area ne "" ) {
470	>	print $fh "RELEASETOP=".$area."\n";
471	>	}
472	>	}
473	>	undef $fh;
474		}
475
476	+
477	+	sub _LoadEnvFile {
478	+	my $self=shift;
479	+
480	+	use FileHandle;
481	+	my $fh=FileHandle->new();
482	+	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
483	+	"Environment" ) or
484	+	$self->error("Cannot find Environment file. Area Corrupted? ("
485	+	.$self->location().")\n $!");
486	+	while ( <$fh> ) {
487	+	chomp;
488	+	next if /^#/;
489	+	next if /^\s*$/ ;
490	+	($name, $value)=split /=/;
491	+	eval "\$self->{ENV}{${name}}=\"$value\"";
492	+	}
493	+	undef $fh;
494	+
495	+	# -- set internal variables appropriately
496	+	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
497	+	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
498	+	}
499	+	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
500	+	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
501	+	}
502	+	if ( defined $self->{ENV}{"projconfigdir"} ) {
503	+	$self->configurationdir($self->{ENV}{projconfigdir});
504	+	}
505	+	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
506	+	$self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
507	+	}
508	+	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
509	+	($self->{ENV}{"RELEASETOP"} ne $self->location())) {
510	+	$self->linkto($self->{ENV}{"RELEASETOP"});
511	+	}
512	+	else {
513	+	$self->{ENV}{"RELEASETOP"}=$self->location();
514	+	}
515	+	}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines