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

Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.5 by williamc, Mon Jan 24 17:22:45 2000 UTC vs.
Revision 1.22 by sashby, Tue Dec 4 19:24:04 2001 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	+	# 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;
28	–	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;
57	>	sub new {
58	>	my $class=shift;
59	>	my $self={};
60	>	bless $self, $class;
61
62	<	$self->newparse("init");
63	<	$self->newparse("download");
64	<	$self->newparse("setup");
65	<	$self->addtag("init","project",\&Project_Start,$self,
66	<	\&Project_text,$self,"", $self );
67	<	$self->addurltags("download");
68	<	$self->addtag("download","use",\&Use_download_Start,$self,
44	<	"", $self, "",$self);
45	<	$self->addurltags("setup");
46	<	$self->addtag("setup","use",\&Use_Start,$self, "", $self, "",$self);
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 setup {
71	>	sub cache {
72		my $self=shift;
73
74	<	# --- find out the location
75	<	my $location=$self->requestoption("area_location",
76	<	"Please Enter the location of the directory");
77	<
78	<	# --- find area directory name , default name projectname_version
79	<	my $name=$self->option("area_name");
80	<	my $vers=$self->version;
81	<	if ( ! defined $name ) {
82	<	$name=$self->name();
83	<	$vers=~s/^$name_//;
84	<	$name=$name."_".$vers;
85	<	}
86	<	$self->location($location."/".$name);
87	<
66	<	# make a new store handler
67	<	$self->_setupstore();
68	<
69	<	# --- download everything first
70	<	# FIX-ME --- cacheing is broken
71	<	$self->parse("download");
72	<
73	<	# --- and parse the setup file
74	<	$self->parse("setup");
75	<
76	<	# --- store bootstrap info
77	<	$self->store($self->location()."/.SCRAM/ConfigArea.dat");
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	<	# --- store self in original database
90	<	$self->parentconfig()->store($self,"ConfigArea",$self->name(),
91	<	$self->version());
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 _setupstore {
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	<	# --- make a new ActiveStore at the location and add it to the db list
104	<	my $ad=ActiveDoc::ActiveConfig->new($self->location()."/\.SCRAM");
103	>	sub objectstore {
104	>	my $self=shift;
105
106	<	$self->parentconfig($self->config());
107	<	#        $self->config(Configuration::ConfigureStore->new());
108	<	#        $self->config()->db("local",$ad);
109	<	#        $self->config()->db("parent",$self->parentconfig());
110	<	#        $self->config()->policy("cache","local");
111	<	$self->config($ad);
112	<	$self->config()->basedoc($self->parentconfig()->basedoc());
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 bootstrapfromlocation {
121	>	sub name {
122		my $self=shift;
123	<
124	<	if ( ! defined $self->location(@_) ) {
103	<	$self->error("Unable to locate the top of local configuration area");
104	<	}
105	<	$self->_setupstore();
106	<	$self->restore($self->location()."/.SCRAM/ConfigArea.dat");
123	>	@_?$self->{name}=shift
124	>	:$self->{name};
125		}
126
127	<	sub parentconfig {
127	>	sub version {
128		my $self=shift;
129	<	@_?$self->{parentconfig}=shift
130	<	:$self->{parentconfig};
129	>	@_?$self->{version}=shift
130	>	:$self->{version};
131		}
132
133	<	sub store {
133	>	sub setup {
134		my $self=shift;
135		my $location=shift;
136	+	my $areaname;
137	+
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	+	$self->error("ConfigArea: Cannot setup new area without a location");
148	+	}
149	+	if ( @_ ) {
150	+	$areaname=shift;
151	+	}
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	+	my $arealoc=$location."/".$areaname;
158	+	my $workloc=$arealoc."/".$self->{admindir};
159	+	$self->verbose("Building at $arealoc");
160	+	$self->location($arealoc);
161	+
162	+	# -- create top level structure and work area
163	+	AddDir::adddir($workloc);
164	+
165	+	# -- add a cache
166	+	$self->_newcache();
167	+
168	+	# -- add an Objectstore
169	+	$self->_newobjectstore();
170	+
171	+	# -- Save Environment File
172	+	$self->_SaveEnvFile();
173
119	–	my $fh=$self->openfile(">".$location);
120	–	$self->savevar($fh,"location", $self->location());
121	–	$self->savevar($fh,"url", $self->url());
122	–	$self->savevar($fh,"name", $self->name());
123	–	$self->savevar($fh,"version", $self->version());
124	–	$fh->close();
174		}
175
176	<	sub restore {
176	>	sub configurationdir {
177		my $self=shift;
178	<	my $location=shift;
178	>	if ( @_ ) {
179	>	$self->{configurationdir}=shift;
180	>	}
181	>	return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
182	>	}
183
184	<	my $fh=$self->openfile("<".$location);
185	<	my $varhash={};
186	<	$self->restorevars($fh,$varhash);
187	<	if ( ! defined $self->location() ) {
188	<	$self->location($$varhash{"location"});
189	<	}
137	<	$self->_setupstore();
138	<	$self->url($$varhash{"url"});
139	<	$self->name($$varhash{"name"});
140	<	$self->version($$varhash{"version"});
141	<	$fh->close();
184	>	sub toolbox {
185	>	my $self=shift;
186	>	if ( ! defined $self->{toolbox} ) {
187	>	$self->{toolbox}=BuildSystem::ToolBox->new($self, $ENV{SCRAM_ARCH});
188	>	}
189	>	return $self->{toolbox};
190		}
191
192	<	sub name {
192	>	sub requirementsdoc {
193		my $self=shift;
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	<	@_?$self->{name}=shift
206	<	:$self->{name};
205	>	sub scramversion {
206	>	my $self=shift;
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 sitename
224	>	{
225	>	###############################################################
226	>	# sitename()                                                  #
227	>	###############################################################
228	>	# modified : Mon Dec  3 15:45:35 2001 / SFA                   #
229	>	# params   :                                                  #
230	>	#          :                                                  #
231	>	#          :                                                  #
232	>	#          :                                                  #
233	>	# function : Read the site name from config/site/sitename and #
234	>	#          : export it.                                       #
235	>	#          :                                                  #
236	>	#          :                                                  #
237	>	###############################################################
238	>	my $self = shift;
239	>	my $sitefile = $self->location()."/".$self->configurationdir()."/site/sitename";
240	>
241	>	$self->{sitename} = 'CERN'; # Use CERN as the default site name
242	>
243	>	use FileHandle;
244	>	my $sitefh = FileHandle->new();
245	>
246	>	# Be verbose and print file we're going to read:
247	>	$self->verbose(">> Going to try to get sitename from: ".$sitefile." ");
248	>
249	>	# See if we can read from the file. If not, just
250	>	# use default site name:
251	>	open($sitefh,"<".$sitefile) ||
252	>	do
253	>	{
254	>	$self->verbose(">> Unable to read a site name definition file. Using \'CERN\' as the site name.");
255	>	return $self->{sitename};
256	>	};
257	>
258	>	$sitename = <$sitefh>;
259	>	chomp($sitename);
260	>	$self->{sitename} = $sitename;
261	>
262	>	# Close the file (be tidy!);
263	>	close($sitefile);
264	>	# Return:
265	>	return $self->{sitename};
266	>	}
267	>
268	>
269	>	sub bootstrapfromlocation {
270		my $self=shift;
271
272	<	@_?$self->{version}=shift
273	<	:$self->{version};
272	>	my $rv=0;
273	>
274	>	my $location;
275	>	if ( ! defined ($location=$self->searchlocation(@_)) ) {
276	>	$rv=1;
277	>	$self->verbose("Unable to locate the top of local configuration area");
278	>	}
279	>	else {
280	>	$self->location($location);
281	>	$self->verbose("Found top ".$self->location());
282	>	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
283	>	$self->_LoadEnvFile();
284	>	}
285	>	return $rv;
286		}
287
288		sub location {
289		my $self=shift;
290
291		if ( @_ ) {
292	<	$self->{location}=shift
292	>	$self->{location}=shift;
293		}
294		elsif ( ! defined $self->{location} ) {
295		# try and find the release location
296	<	$self->searchlocation();
296	>	$self->{location}=$self->searchlocation();
297		}
298		return  $self->{location};
299		}
300
301		sub searchlocation {
302		my $self=shift;
303	<	use Cwd;
174	<
303	>
304		#start search in current directory if not specified
305		my $thispath;
306	<	@_?$thispath=shift
307	<	:$thispath=cwd;
308	<
306	>	if ( @_ ) {
307	>	$thispath=shift
308	>	}
309	>	else {
310	>	$thispath=cwd();
311	>	}
312	>
313		my $rv=0;
314
315	<	do {
316	<	if ( -e "$thispath/.SCRAM" ) {
315	>	# chop off any files - we only want dirs
316	>	if ( -f $thispath ) {
317	>	$thispath=~s/(.*)\/.*/$1/;
318	>	}
319	>	Sloop:{
320	>	do {
321	>	$self->verbose("Searching $thispath");
322	>	if ( -e "$thispath/".$self->{admindir} ) {
323	>	$self->verbose("Found\n");
324		$rv=1;
325	+	last Sloop;
326		}
327	<	} while ( ( $thispath=~s/(.*)\/.*/$1/ )=~/./  );
328	<
327	>	} while ( ($thispath=~s/(.*)\/.*/$1/)=~/./ ) };
328	>
329		return $rv?$thispath:undef;
330		}
331
332	<	sub meta {
332	>	sub archname {
333		my $self=shift;
334	+	if ( @_ ) {
335	+	$self->{archname}=shift;
336	+	}
337	+	return $self->{archname};
338	+	}
339
340	<	my $string=$self->name()." ".$self->version()." located at :\n  ".
341	<	$self->location;
340	>	sub archdir {
341	>	my $self=shift;
342	>	if ( @_ ) {
343	>	$self->{archdir}=shift;
344	>	}
345	>	if ( ! defined $self->{archdir} ) {
346	>	if ( defined $self->{archname} ) {
347	>	$self->{archdir}=$self->location()."/".$self->{admindir}."/".
348	>	$self->{archname};
349	>	}
350	>	else {
351	>	$self->error("ConfigArea : cannot create arch directory - ".
352	>	"architecture name not set")
353	>	}
354	>	}
355	>	return $self->{archdir};
356		}
357
358	<	sub configitem {
358	>	sub satellite {
359		my $self=shift;
360	+
361	+	# -- create the sat object
362	+	my $sat=Configuration::ConfigArea->new();
363	+	$sat->name($self->name());
364	+	$sat->version($self->version());
365	+	$sat->requirementsdoc($self->{reqdoc});
366	+	$sat->configurationdir($self->configurationdir());
367	+	$sat->setup(@_);
368	+
369	+	# -- copy across the cache and ObjectStore
370	+	# -- make sure we dont try building new caches in release areas
371	+	my $rcache=$self->cache();
372	+	if ( defined $rcache ) {
373	+	copy($rcache->location(),$sat->cache()->location());
374	+	}
375	+
376	+	# -- make sure we dont try building new objectstores in release areas
377	+	my $rostore=$self->objectstore();
378	+	if ( defined $rostore ) {
379	+	copy($rostore->location(),$sat->objectstore()->location());
380	+	}
381	+
382	+	# and make sure in reinitialises
383	+	undef ($sat->{cache});
384	+
385	+	# -- link it to this area
386	+	$sat->linkarea($self);
387
388	<	return ($self->config()->find("ConfigItem",@_));
388	>	# -- save it
389	>	$sat->save();
390	>
391	>	return $sat;
392		}
393
394	<	sub addconfigitem {
394	>	sub copy {
395		my $self=shift;
396	<	my $url=shift;
396	>	my $destination=shift;
397
398	<	my $docref=$self->activatedoc($url);
399	<	# Set up the document
400	<	$docref->setup();
211	<	#       $self->config()->storepolicy("local");
212	<	$docref->save();
398	>	# copy across the admin dir
399	>	my $temp=$self->location()."/".$self->{admindir};
400	>	AddDir::copydir($temp,"$destination/".$self->{admindir});
401		}
402
403	<	# -------------- Tags ---------------------------------
216	<	# -- init parse
217	<	sub Project_Start {
403	>	sub align {
404		my $self=shift;
405	<	my $name=shift;
406	<	my $hashref=shift;
405	>	use File::Copy;
406	>
407	>	$self->_LoadEnvFile();
408	>	my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
409	>	my $tmpEnvfile=$Envfile.".bak";
410	>	my $rel=$self->{ENV}{RELEASETOP};
411	>	my $local=$self->location();
412	>
413	>	rename( $Envfile, $tmpEnvfile );
414	>	use FileHandle;
415	>	my $fh=FileHandle->new();
416	>	my $fout=FileHandle->new();
417	>	open ( $fh, "<".$tmpEnvfile ) or
418	>	$self->error("Cannot find Environment file. Area Corrupted? ("
419	>	.$self->location().")\n $!");
420	>	open ( $fout, ">".$Envfile ) or
421	>	$self->error("Cannot find Environment file. Area Corrupted? ("
422	>	.$self->location().")\n $!");
423	>	while ( <$fh> ) {
424	>	$_=~s/\Q$rel\L/$local/g;
425	>	print $fout $_;
426	>	}
427	>	undef $fh;
428	>	undef $fout;
429	>	}
430
431	<	$self->checktag($name,$hashref,'name');
432	<	$self->checktag($name,$hashref,'version');
431	>	sub copysetup {
432	>	my $self=shift;
433	>	my $dest=shift;
434
435	<	$self->name($$hashref{'name'});
436	<	$self->version($$hashref{'version'});
435	>	my $rv=1;
436	>	# copy across the admin dir
437	>	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
438	>	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
439	>	if ( $temp ne $temp2 ) {
440	>	if ( -d $temp ) {
441	>	AddDir::copydir($temp,$temp2);
442	>	$rv=0;
443	>	}
444	>	}
445	>	return $rv;
446		}
447
448	+	sub copyenv {
449	+	my $self=shift;
450	+	my $hashref=shift;
451	+
452	+	foreach $elem ( keys %{$self->{ENV}} ) {
453	+	$$hashref{$elem}=$self->{ENV}{$elem};
454	+	}
455	+	}
456
457	<	sub Project_text {
457	>	sub arch {
458		my $self=shift;
459	<	my $name=shift;
460	<	my $string=shift;
459	>	return $ENV{SCRAM_ARCH};
460	>	}
461
462	<	print $string;
462	>	sub linkto {
463	>	my $self=shift;
464	>	my $location=shift;
465	>	if ( -d $location ) {
466	>	my $area=Configuration::ConfigArea->new();
467	>	$area->bootstrapfromlocation($location);
468	>	$self->linkarea($area);
469	>	}
470	>	else {
471	>	$self->error("ConfigArea : Unable to link to non existing directory ".
472	>	$location);
473	>	}
474		}
475
476	<	# ---- download parse
476	>	sub unlinkarea {
477	>	my $self=shift;
478	>	undef $self->{linkarea};
479	>	$self->{linkarea}=undef;
480	>	$self->save();
481	>	}
482
483	<	sub Use_download_Start {
483	>	sub linkarea {
484		my $self=shift;
485	<	my $name=shift;
486	<	my $hashref=shift;
485	>	my $area=shift;
486	>	if ( defined $area ) {
487	>	$self->{linkarea}=$area;
488	>	}
489	>	return (defined $self->{linkarea} && $self->{linkarea} ne "")?
490	>	$self->{linkarea}:undef;
491	>	}
492
493	<	$self->checktag($name,$hashref,'url');
494	<	print "Downloading .... ".$$hashref{'url'}."\n";
495	<	$self->getfile($$hashref{'url'});
493	>	sub save {
494	>	my $self=shift;
495	>	$self->_SaveEnvFile();
496		}
497
498	<	# --- setup parse
498	>	# ---- support routines
499
500	<	sub Use_Start {
500	>	sub _SaveEnvFile {
501		my $self=shift;
502	<	my $name=shift;
503	<	my $hashref=shift;
502	>	use FileHandle;
503	>	my $fh=FileHandle->new();
504	>	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
505	>	"Environment" ) or
506	>	$self->error("Cannot Open Environment file to Save ("
507	>	.$self->location().")\n $!");
508
509	<	$self->checktag($name,$hashref,'url');
510	<	$self->addconfigitem($$hashref{'url'});
509	>	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
510	>	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
511	>	print $fh "projconfigdir=".$self->configurationdir()."\n";
512	>	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
513	>	if ( defined $self->linkarea() ) {
514	>	my $area=$self->linkarea()->location();
515	>	if ( $area ne "" ) {
516	>	print $fh "RELEASETOP=".$area."\n";
517	>	}
518	>	}
519	>	undef $fh;
520		}
521
522	+
523	+	sub _LoadEnvFile {
524	+	my $self=shift;
525	+
526	+	use FileHandle;
527	+	my $fh=FileHandle->new();
528	+	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
529	+	"Environment" ) or
530	+	$self->error("Cannot find Environment file. Area Corrupted? ("
531	+	.$self->location().")\n $!");
532	+	while ( <$fh> ) {
533	+	chomp;
534	+	next if /^#/;
535	+	next if /^\s*$/ ;
536	+	($name, $value)=split /=/;
537	+	eval "\$self->{ENV}{${name}}=\"$value\"";
538	+	}
539	+	undef $fh;
540	+
541	+	# -- set internal variables appropriately
542	+	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
543	+	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
544	+	}
545	+	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
546	+	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
547	+	}
548	+	if ( defined $self->{ENV}{"projconfigdir"} ) {
549	+	$self->configurationdir($self->{ENV}{projconfigdir});
550	+	}
551	+	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
552	+	$self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
553	+	}
554	+	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
555	+	($self->{ENV}{"RELEASETOP"} ne $self->location())) {
556	+	$self->linkto($self->{ENV}{"RELEASETOP"});
557	+	}
558	+	else {
559	+	$self->{ENV}{"RELEASETOP"}=$self->location();
560	+	}
561	+	}

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