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

Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.3 by williamc, Fri Jan 21 08:59:34 2000 UTC vs.
Revision 1.29 by sashby, Thu Mar 10 12:39:28 2005 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
26	<	#                                 the keys - all if left blank
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	>	# 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])        : link 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;
23	–	use ActiveDoc::ActiveDoc;
49		require 5.004;
50	+	use URL::URLcache;
51		use Utilities::AddDir;
52	+	use Utilities::Verbose;
53		use ObjectUtilities::ObjectStore;
54	<	@ISA=qw(ActiveDoc::ActiveDoc ObjectUtilities::StorableObject);
54	>	use Cwd;
55	>	@ISA=qw(Utilities::Verbose);
56
57	<	sub init {
58	<	my $self=shift;
59	<	$self->newparse("init");
60	<	$self->newparse("download");
61	<	$self->newparse("setup");
62	<	$self->addtag("init","project",\&Project_Start,$self,
63	<	\&Project_text,$self,"", $self );
64	<	$self->addurltags("download");
65	<	$self->addtag("download","use",\&Use_download_Start,$self,
66	<	"", $self, "",$self);
67	<	$self->addurltags("setup");
68	<	$self->addtag("setup","use",\&Use_Start,$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	>	$self->{tbupdate}=0;
67	>	undef $self->{linkarea};
68	>
69	>	return $self;
70		}
71
72	<	sub setup {
72	>	sub cache {
73		my $self=shift;
74
75	<	# --- find out the location
76	<	my $location=$self->requestoption("area_location",
48	<	"Please Enter the location of the directory");
49	<
50	<	# --- find area directory name , default name projectname_version
51	<	my $name=$self->option("area_name");
52	<	my $vers=$self->version;
53	<	if ( ! defined $name ) {
54	<	$name=$self->name();
55	<	$vers=~s/^$name_//;
56	<	$name=$name."_".$vers;
75	>	if ( @_ ) {
76	>	$self->{cache}=shift;
77		}
78	<	$self->location($location."/".$name);
78	>	if ( ! defined $self->{cache} ) {
79	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
80	>	if ( -e $loc  ) {
81	>	$self->{cache}=URL::URLcache->new($loc);
82	>	}
83	>	else {
84	>	$self->{cache}=undef;
85	>	}
86	>	}
87	>	return $self->{cache};
88	>	}
89
90	+	# Tool and project cache info:
91	+	sub cacheinfo
92	+	{
93	+	my $self=shift;
94	+	print "\n","<ConfigArea> cacheinfo: ToolCache = ",$self->{toolcachefile},
95	+	", ProjectCache = ",$self->{projectcachefile},"\n";
96	+	}
97
98	<	# make a new store handler
99	<	my $parentconfig=$self->_setupstore();
98	>	sub toolcachename
99	>	{
100	>	my $self=shift;
101	>	return ($self->location()."/".$self->{admindir}."/".$ENV{SCRAM_ARCH}."/ToolCache.db");
102	>	}
103
104	<	# --- download everything first
105	<	# FIX-ME --- cacheing is broken
106	<	$self->parse("download");
107	<
108	<	# --- and parse the setup file
109	<	$self->parse("setup");
110	<
111	<	# --- store self in original database
112	<	$parentconfig->store($self,"ConfigArea",$self->name(),
113	<	$self->version());
104	>	sub projectcachename
105	>	{
106	>	my $self=shift;
107	>	return ($self->location()."/".$self->{admindir}."/".$ENV{SCRAM_ARCH}."/ProjectCache.db");
108	>	}
109	>
110	>	sub _tbupdate
111	>	{
112	>	# Update toolbox relative to new RequirementsDoc:
113	>	my $self=shift;
114	>	@_?$self->{tbupdate}=shift
115	>	:$self->{tbupdate};
116	>	}
117	>
118	>	sub _newcache {
119	>	my $self=shift;
120	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
121	>	$self->{cache}=URL::URLcache->new($loc);
122	>	return $self->{cache};
123	>	}
124	>
125	>	sub _newobjectstore {
126	>	my $self=shift;
127	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
128	>	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
129	>	return $self->{dbstore};
130		}
131
132	<	sub _setupstore {
132	>	sub objectstore {
133		my $self=shift;
134
135	<	# --- make a new ActiveStore at the location and add it to the db list
136	<	my $ad=ActiveDoc::ActiveConfig->new($self->location()."/\.SCRAM");
135	>	if ( @_ ) {
136	>	$self->{dbstore}=shift;
137	>	}
138	>	if ( ! defined $self->{dbstore} ) {
139	>	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
140	>	if ( -e $loc ) {
141	>	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
142	>	}
143	>	else {
144	>	$self->{dbstore}=undef;
145	>	}
146	>	}
147	>	return $self->{dbstore}
148	>	}
149
150	<	my $parentconfig=$self->config();
151	<	$self->config(Configuration::ConfigureStore->new());
152	<	$self->config()->db("local",$ad);
153	<	$self->config()->db("parent",$parentconfig);
86	<	$self->config()->policy("cache","local");
87	<	$self->config()->basedoc($parentconfig->basedoc());
88	<	return $parentconfig;
150	>	sub name {
151	>	my $self=shift;
152	>	@_?$self->{name}=shift
153	>	:$self->{name};
154		}
155
156	<	sub store {
156	>	sub version {
157	>	my $self=shift;
158	>	@_?$self->{version}=shift
159	>	:$self->{version};
160	>	}
161	>
162	>	sub setup {
163		my $self=shift;
164		my $location=shift;
165	+	my $areaname;
166	+
167	+	# -- check we have a project name and version
168	+	my $name=$self->name();
169	+	my $vers=$self->version();
170	+
171	+	if ( ( ! defined $name ) && ( ! defined $version )) {
172	+	$self->error("Set ConfigArea name and version before setup");
173	+	}
174	+
175	+	# -- check arguments and set location
176	+	if ( ! defined $location ) {
177	+	$self->error("ConfigArea: Cannot setup new area without a location");
178	+	}
179	+	if ( @_ ) {
180	+	$areaname=shift;
181	+	}
182	+	if ( (! defined $areaname) || ( $areaname eq "" ) ) {
183	+	# -- make up a name from the project name and version
184	+	$vers=~s/^$name\_//;
185	+	$areaname=$name."_".$vers;
186	+	}
187	+	my $arealoc=$location."/".$areaname;
188	+	my $workloc=$arealoc."/".$self->{admindir};
189	+	$self->verbose("Building at $arealoc");
190	+	$self->location($arealoc);
191	+
192	+	# -- create top level structure and work area
193	+	AddDir::adddir($workloc);
194	+
195	+	# -- add a cache
196	+	$self->_newcache();
197	+
198	+	# -- add an Objectstore
199	+	$self->_newobjectstore();
200	+
201	+	# -- Save Environment File
202	+	$self->_SaveEnvFile();
203
95	–	my $fh=$self->openfile(">".$location);
96	–	print $fh $self->location()."\n";
97	–	$fh->close();
204		}
205
206	<	sub restore {
206	>	sub configurationdir {
207		my $self=shift;
208	+	if ( @_ ) {
209	+	$self->{configurationdir}=shift;
210	+	}
211	+	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
212	+	}
213
214	<	my $fh=$self->openfile("<".$location);
215	<	$self->{location}=<$fh>;
216	<	chomp $self->{location};
217	<	$fh->close();
214	>	sub sourcedir {
215	>	my $self=shift;
216	>	if ( @_ ) {
217	>	$self->{sourcedir}=shift;
218	>	}
219	>	return (defined $self->{sourcedir})?$self->{sourcedir}:undef;
220	>	}
221
222	+	sub toolbox {
223	+	my $self=shift;
224	+	if ( ! defined $self->{toolbox} ) {
225	+	$self->{toolbox}=BuildSystem::ToolBox->new($self, $ENV{SCRAM_ARCH});
226	+	}
227	+	return $self->{toolbox};
228		}
229
230	<	sub name {
230	>	sub toolboxversion {
231		my $self=shift;
232	+	if ( @_ ) {
233	+	$self->{toolboxversion}=shift;
234	+	}
235	+	return (defined $self->{toolboxversion})?$self->{toolboxversion}:undef;
236	+	}
237
238	<	@_?$self->{name}=shift
239	<	:$self->{name};
238	>	sub requirementsdoc {
239	>	my $self=shift;
240	>	if ( @_ ) {
241	>	$self->{reqdoc}=shift;
242	>	}
243	>	if ( defined $self->{reqdoc} ) {
244	>	return $self->location()."/".$self->{reqdoc};
245	>	}
246	>	else {
247	>	return undef;
248	>	}
249		}
250
251	<	sub version {
251	>	sub scramversion {
252		my $self=shift;
253	+	if ( ! defined $self->{scramversion} ) {
254	+	my $filename=$self->location()."/".$self->configurationdir()."/".
255	+	"scram_version";
256	+	if ( -f $filename ) {
257	+	use FileHandle;
258	+	$fh=FileHandle->new();
259	+	open ($fh, "<".$filename);
260	+	my $version=<$fh>;
261	+	chomp $version;
262	+	$self->{scramversion}=$version;
263	+	undef $fh;
264	+	}
265	+	}
266	+	return $self->{scramversion};
267	+	}
268
269	<	@_?$self->{version}=shift
270	<	:$self->{version};
269	>	sub sitename
270	>	{
271	>	###############################################################
272	>	# sitename()                                                  #
273	>	###############################################################
274	>	# modified : Mon Dec  3 15:45:35 2001 / SFA                   #
275	>	# params   :                                                  #
276	>	#          :                                                  #
277	>	#          :                                                  #
278	>	#          :                                                  #
279	>	# function : Read the site name from config/site/sitename and #
280	>	#          : export it.                                       #
281	>	#          :                                                  #
282	>	#          :                                                  #
283	>	###############################################################
284	>	my $self = shift;
285	>	my $sitefile = $self->location()."/".$self->configurationdir()."/site/sitename";
286	>
287	>	$self->{sitename} = 'CERN'; # Use CERN as the default site name
288	>
289	>	use FileHandle;
290	>	my $sitefh = FileHandle->new();
291	>
292	>	# Be verbose and print file we're going to read:
293	>	$self->verbose(">> Going to try to get sitename from: ".$sitefile." ");
294	>
295	>	# See if we can read from the file. If not, just
296	>	# use default site name:
297	>	open($sitefh,"<".$sitefile) ||
298	>	do
299	>	{
300	>	$self->verbose(">> Unable to read a site name definition file. Using \'CERN\' as the site name.");
301	>	return $self->{sitename};
302	>	};
303	>
304	>	$sitename = <$sitefh>;
305	>	chomp($sitename);
306	>	$self->{sitename} = $sitename;
307	>
308	>	# Close the file (be tidy!);
309	>	close($sitefile);
310	>	# Return:
311	>	return $self->{sitename};
312	>	}
313	>
314	>	sub admindir()
315	>	{
316	>	my $self=shift;
317	>
318	>	@_ ? $self->{admindir} = shift
319	>	: $self->{admindir};
320	>	}
321	>
322	>	sub bootstrapfromlocation {
323	>	my $self=shift;
324	>
325	>	my $rv=0;
326	>
327	>	my $location;
328	>	if ( ! defined ($location=$self->searchlocation(@_)) ) {
329	>	$rv=1;
330	>	$self->verbose("Unable to locate the top of local configuration area");
331	>	}
332	>	else {
333	>	$self->location($location);
334	>	$self->verbose("Found top ".$self->location());
335	>	$self->_LoadEnvFile();
336	>	}
337	>	return $rv;
338		}
339
340		sub location {
341		my $self=shift;
342
343	<	@_?$self->{location}=shift
344	<	:$self->{location};
343	>	if ( @_ ) {
344	>	$self->{location}=shift;
345	>	}
346	>	elsif ( ! defined $self->{location} ) {
347	>	# try and find the release location
348	>	$self->{location}=$self->searchlocation();
349	>	}
350	>	return  $self->{location};
351		}
352
353	<	sub meta {
353	>	sub searchlocation {
354		my $self=shift;
355	+
356	+	#start search in current directory if not specified
357	+	my $thispath;
358	+	if ( @_ ) {
359	+	$thispath=shift
360	+	}
361	+	else {
362	+	$thispath=cwd();
363	+	}
364	+
365	+	my $rv=0;
366
367	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
368	<	$self->location;
367	>	# chop off any files - we only want dirs
368	>	if ( -f $thispath ) {
369	>	$thispath=~s/(.*)\/.*/$1/;
370	>	}
371	>	Sloop:{
372	>	do {
373	>	$self->verbose("Searching $thispath");
374	>	if ( -e "$thispath/".$self->{admindir} ) {
375	>	$self->verbose("Found\n");
376	>	$rv=1;
377	>	last Sloop;
378	>	}
379	>	} while ( ($thispath=~s/(.*)\/.*/$1/)=~/./ ) };
380	>
381	>	return $rv?$thispath:undef;
382		}
383
384	<	sub configitem {
384	>	sub archname {
385		my $self=shift;
386	<	my $location=shift;
386	>	if ( @_ ) {
387	>	$self->{archname}=shift;
388	>	}
389	>	return $self->{archname};
390	>	}
391	>
392	>	sub archdir {
393	>	my $self=shift;
394	>	if ( @_ ) {
395	>	$self->{archdir}=shift;
396	>	}
397	>	if ( ! defined $self->{archdir} ) {
398	>	if ( defined $self->{archname} ) {
399	>	$self->{archdir}=$self->location()."/".$self->{admindir}."/".
400	>	$self->{archname};
401	>	}
402	>	else {
403	>	$self->error("ConfigArea : cannot create arch directory - ".
404	>	"architecture name not set")
405	>	}
406	>	}
407	>	return $self->{archdir};
408	>	}
409	>
410	>	sub satellite {
411	>	my $self=shift;
412	>
413	>	# -- create the sat object
414	>	my $sat=Configuration::ConfigArea->new();
415	>	$sat->name($self->name());
416	>	$sat->version($self->version());
417	>	$sat->requirementsdoc($self->{reqdoc});
418	>	$sat->configurationdir($self->configurationdir());
419	>	$sat->sourcedir($self->sourcedir());
420	>	$sat->toolboxversion($self->toolboxversion());
421	>	$sat->setup(@_);
422	>
423	>	# -- copy across the cache and ObjectStore
424	>	# -- make sure we dont try building new caches in release areas
425	>	my $rcache=$self->cache();
426	>	if ( defined $rcache ) {
427	>	copy($rcache->location(),$sat->cache()->location());
428	>	}
429	>
430	>	# -- make sure we dont try building new objectstores in release areas
431	>	my $rostore=$self->objectstore();
432	>	if ( defined $rostore ) {
433	>	copy($rostore->location(),$sat->objectstore()->location());
434	>	}
435	>
436	>	# and make sure in reinitialises
437	>	undef ($sat->{cache});
438	>
439	>	# -- link it to this area
440	>	$sat->linkarea($self);
441
442	<	$self->config()->find("ConfigItem",@_);
442	>	# -- save it
443	>	$sat->save();
444	>
445	>	return $sat;
446		}
447
448	<	sub addconfigitem {
448	>	sub copy {
449		my $self=shift;
450	<	my $url=shift;
450	>	my $destination=shift;
451
452	<	my $docref=$self->activatedoc($url);
453	<	# Set up the document
454	<	$docref->setup();
152	<	$self->config()->storepolicy("local");
153	<	$docref->save();
452	>	# copy across the admin dir
453	>	my $temp=$self->location()."/".$self->{admindir};
454	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
455		}
456
457	<	# -------------- Tags ---------------------------------
157	<	# -- init parse
158	<	sub Project_Start {
457	>	sub align {
458		my $self=shift;
459	<	my $name=shift;
161	<	my $hashref=shift;
459	>	use File::Copy;
460
461	<	$self->checktag($name,$hashref,'name');
462	<	$self->checktag($name,$hashref,'version');
461	>	$self->_LoadEnvFile();
462	>	my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
463	>	my $tmpEnvfile=$Envfile.".bak";
464	>	my $rel=$self->{ENV}{RELEASETOP};
465	>	my $local=$self->location();
466
467	<	$self->name($$hashref{'name'});
468	<	$self->version($$hashref{'version'});
467	>	rename( $Envfile, $tmpEnvfile );
468	>	use FileHandle;
469	>	my $fh=FileHandle->new();
470	>	my $fout=FileHandle->new();
471	>	open ( $fh, "<".$tmpEnvfile ) or
472	>	$self->error("Cannot find Environment file. Area Corrupted? ("
473	>	.$self->location().")\n $!");
474	>	open ( $fout, ">".$Envfile ) or
475	>	$self->error("Cannot find Environment file. Area Corrupted? ("
476	>	.$self->location().")\n $!");
477	>	while ( <$fh> ) {
478	>	$_=~s/\Q$rel\L/$local/g;
479	>	print $fout $_;
480	>	}
481	>	undef $fh;
482	>	undef $fout;
483		}
484
485	+	sub copysetup {
486	+	my $self=shift;
487	+	my $dest=shift;
488	+	my $rv=1;
489	+	# copy across the admin dir
490	+	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
491	+	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
492	+	if ( $temp ne $temp2 ) {
493	+	if ( -d $temp ) {
494	+	AddDir::copydir($temp,$temp2);
495	+	$rv=0;
496	+	}
497	+	}
498	+	return $rv;
499	+	}
500
501	<	sub Project_text {
501	>	sub copyurlcache {
502		my $self=shift;
503	<	my $name=shift;
504	<	my $string=shift;
503	>	my $dest=shift;
504	>	my $rv=1;
505	>	# copy across the admin dir
506	>	my $temp=$self->location()."/".$self->{admindir}."/cache";
507	>	my $temp2=$dest."/".$self->{admindir}."/cache";
508	>	if ( $temp ne $temp2 ) {
509	>	if ( -d $temp ) {
510	>	AddDir::copydir($temp,$temp2);
511	>	$rv=0;
512	>	}
513	>	}
514	>	return $rv;
515	>	}
516
517	<	print $string;
517	>	sub copywithskip {
518	>	my $self=shift;
519	>	my $dest=shift;
520	>	my ($filetoskip)=@_;
521	>	my $rv=1;
522	>	# copy across the admin dir
523	>	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
524	>	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
525	>	if ( $temp ne $temp2 ) {
526	>	if ( -d $temp ) {
527	>	AddDir::copydirwithskip($temp,$temp2,$filetoskip);
528	>	$rv=0;
529	>	}
530	>	}
531	>	return $rv;
532	>	}
533	>
534	>	sub copyenv {
535	>	my $self=shift;
536	>	my $hashref=shift;
537	>
538	>	foreach $elem ( keys %{$self->{ENV}} ) {
539	>	$$hashref{$elem}=$self->{ENV}{$elem};
540	>	}
541		}
542
543	<	# ---- download parse
543	>	sub arch {
544	>	my $self=shift;
545	>	return $ENV{SCRAM_ARCH};
546	>	}
547
548	<	sub Use_download_Start {
548	>	sub linkto {
549		my $self=shift;
550	<	my $name=shift;
184	<	my $hashref=shift;
550	>	my $location=shift;
551
552	<	$self->checktag($name,$hashref,'url');
553	<	print "Downloading .... ".$$hashref{'url'}."\n";
554	<	$self->getfile($$hashref{'url'});
552	>	if ( -d $location ) {
553	>	my $area=Configuration::ConfigArea->new();
554	>	$area->bootstrapfromlocation($location);
555	>	$self->linkarea($area);
556	>	}
557	>	else {
558	>	$self->error("ConfigArea : Unable to link to non existing directory ".
559	>	$location);
560	>	}
561		}
562
563	<	# --- setup parse
563	>	sub unlinkarea {
564	>	my $self=shift;
565	>	undef $self->{linkarea};
566	>	$self->{linkarea}=undef;
567	>	$self->save();
568	>	}
569
570	<	sub Use_Start {
570	>	sub linkarea {
571		my $self=shift;
572	<	my $name=shift;
573	<	my $hashref=shift;
574	<
575	<	$self->checktag($name,$hashref,'url');
576	<	$self->addconfigitem($$hashref{'url'});
572	>	my $area=shift;
573	>	if ( defined $area ) {
574	>	$self->{linkarea}=$area;
575	>	}
576	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
577	>	$self->{linkarea}:undef;
578		}
579
580	+	sub save {
581	+	my $self=shift;
582	+	$self->_SaveEnvFile();
583	+	}
584	+
585	+	sub reqdoc()
586	+	{
587	+	my $self=shift;
588	+	my ($path)=@_;
589	+	return $path."/".$self->{reqdoc};
590	+	}
591	+
592	+	sub creationtime()
593	+	{
594	+	my $self=shift;
595	+	my ($location)= @_;
596	+	$location||=$self->location();
597	+	my $requirementsdoc = $self->reqdoc($location);
598	+	my ($mode, $time) = (stat($requirementsdoc))[2, 9];
599	+	my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($time);
600	+
601	+	($sec < 10) ? ($sec = "0".$sec) : $sec;
602	+	($min < 10) ? ($min = "0".$min) : $min;
603	+
604	+	$year += 1900;
605	+	my $months =
606	+	{
607	+	0 => "Jan", 1 => "Feb",
608	+	2 => "Mar", 3 => "Apr",
609	+	4 => "May", 5 => "Jun",
610	+	6 => "Jul", 7 => "Aug",
611	+	8 => "Sept", 9 => "Oct",
612	+	10 => "Nov", 11 => "Dec" };
613	+
614	+	my $days = { 1 => "Mon", 2 => "Tue", 3 => "Wed", 4 => "Thu", 5 => "Fri", 6 => "Sat", 7 => "Sun"};
615	+
616	+	# Return the timestamp (as string) of the requirementsdoc:
617	+	return $days->{$wday}."-".$mday."-".$months->{$mon}."-".$year." ".$hour.":".$min.":".$sec;
618	+	}
619	+
620	+	# ---- support routines
621	+
622	+	sub _SaveEnvFile
623	+	{
624	+	my $self=shift;
625	+	my $filemode = 0644;
626	+
627	+	use FileHandle;
628	+	my $fh=FileHandle->new();
629	+	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
630	+	"Environment" ) or
631	+	$self->error("Cannot Open Environment file to Save ("
632	+	.$self->location().")\n $!");
633	+
634	+	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
635	+	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
636	+	print $fh "SCRAM_CONFIGDIR=".$self->configurationdir()."\n";
637	+	print $fh "SCRAM_SOURCEDIR=".$self->sourcedir()."\n";
638	+	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
639	+	print $fh "SCRAM_TOOLBOXVERSION=".$self->{toolboxversion}."\n";
640	+
641	+	if ( defined $self->linkarea() )
642	+	{
643	+	my $area=$self->linkarea()->location();
644	+	if ( $area ne "" )
645	+	{
646	+	print $fh "RELEASETOP=".$area."\n";
647	+	}
648	+	}
649	+
650	+	undef $fh;
651	+
652	+	# Set the default permissions (-rw-r--r--):
653	+	chmod $filemode, $self->location()."/".$self->{admindir}."/Environment";
654	+	}
655	+
656	+	sub _LoadEnvFile
657	+	{
658	+	my $self=shift;
659	+
660	+	use FileHandle;
661	+	my $fh=FileHandle->new();
662	+	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
663	+	"Environment" ) or
664	+	$self->error("Cannot find Environment file. Area Corrupted? ("
665	+	.$self->location().")\n $!");
666	+	while ( <$fh> )
667	+	{
668	+	chomp;
669	+	next if /^#/;
670	+	next if /^\s*$/ ;
671	+	($name, $value)=split /=/;
672	+	eval "\$self->{ENV}{${name}}=\"$value\"";
673	+	}
674	+	undef $fh;
675	+
676	+	# -- set internal variables appropriately
677	+	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} )
678	+	{
679	+	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
680	+	}
681	+	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} )
682	+	{
683	+	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
684	+	}
685	+	if ( defined $self->{ENV}{"SCRAM_CONFIGDIR"} )
686	+	{
687	+	$self->configurationdir($self->{ENV}{"SCRAM_CONFIGDIR"});
688	+	}
689	+	if ( defined $self->{ENV}{"SCRAM_SOURCEDIR"} )
690	+	{
691	+	$self->sourcedir($self->{ENV}{"SCRAM_SOURCEDIR"});
692	+	}
693	+	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} )
694	+	{
695	+	$self->requirementsdoc($self->{ENV}{"SCRAM_ProjReqsDoc"});
696	+	}
697	+	if ( defined $self->{ENV}{"SCRAM_TOOLBOXVERSION"} )
698	+	{
699	+	if ($self->{ENV}{"SCRAM_TOOLBOXVERSION"} eq '')
700	+	{
701	+	$self->toolboxversion("STANDALONE");
702	+	}
703	+	else
704	+	{
705	+	$self->toolboxversion($self->{ENV}{"SCRAM_TOOLBOXVERSION"});
706	+	}
707	+	}
708	+
709	+	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
710	+	($self->{ENV}{"RELEASETOP"} ne $self->location()))
711	+	{
712	+	$self->linkto($self->{ENV}{"RELEASETOP"});
713	+	}
714	+	}

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