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

Comparing COMP/SCRAM/src/Configuration/ConfigArea.pm (file contents):
Revision 1.22 by sashby, Tue Dec 4 19:24:04 2001 UTC vs.
Revision 1.36 by muzaffar, Fri Jan 14 17:36:42 2011 UTC

#	Line 1 | Line 1
1	–	#
2	–	# ConfigArea.pm
3	–	#
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()                         : 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	–
1		package Configuration::ConfigArea;
2		require 5.004;
50	–	use URL::URLcache;
3		use Utilities::AddDir;
4		use Utilities::Verbose;
53	–	use ObjectUtilities::ObjectStore;
5		use Cwd;
6		@ISA=qw(Utilities::Verbose);
7
#	Line 58 | Line 9 | sub new {
9		my $class=shift;
10		my $self={};
11		bless $self, $class;
61	–
62	–	# data init
12		$self->{admindir}=".SCRAM";
13	<	$self->{cachedir}="cache";
14	<	$self->{dbdir}="ObjectDB";
66	<	undef $self->{linkarea};
67	<
13	>	$self->{configurationdir} = "config";
14	>	$self->archname(shift || $ENV{SCRAM_ARCH});
15		return $self;
16		}
17
18	<	sub cache {
19	<	my $self=shift;
18	>	sub toolcachename
19	>	{
20	>	my $self=shift;
21	>	return ($self->archdir()."/ToolCache.db.gz");
22	>	}
23
24	<	if ( @_ ) {
25	<	$self->{cache}=shift;
26	<	}
27	<	if ( ! defined $self->{cache} ) {
28	<	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	<	}
24	>	sub projectcachename
25	>	{
26	>	my $self=shift;
27	>	return ($self->archdir()."/ProjectCache.db.gz");
28	>	}
29
30	<	sub _newcache {
30	>	sub symlinks {
31		my $self=shift;
32	<	my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
33	<	$self->{cache}=URL::URLcache->new($loc);
93	<	return $self->{cache};
32	>	if (@_) {$self->{symlinks}=shift;}
33	>	return $self->{symlinks};
34		}
35
36	<	sub _newobjectstore {
37	<	my $self=shift;
38	<	my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
39	<	$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
40	<	return $self->{dbstore};
36	>	sub calchksum {
37	>	my $self=shift;
38	>	my $dir=$self->location()."/".$self->configurationdir();
39	>	push @INC,$dir;
40	>	require SCRAM::Plugins::ProjectChkSum;
41	>	my $sum=&SCRAM::Plugins::ProjectChkSum::chksum($dir);
42	>	pop @INC;
43	>	return $sum;
44		}
45
46	<	sub objectstore {
46	>	sub configchksum {
47		my $self=shift;
48	<
49	<	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 $self->{dbstore}
48	>	if (@_) {$self->{configchksum}=shift;}
49	>	return $self->{configchksum};
50		}
51
52	+
53		sub name {
54		my $self=shift;
55		@_?$self->{name}=shift
#	Line 133 | Line 65 | sub version {
65		sub setup {
66		my $self=shift;
67		my $location=shift;
68	<	my $areaname;
69	<
70	<	# -- 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	<	}
68	>	my $areaname=shift  || undef;
69	>	my $symlinks=shift  || 0;
70	>	my $locarea = shift || undef;
71		if ( (! defined $areaname) || ( $areaname eq "" ) ) {
72	<	# -- make up a name from the project name and version
154	<	$vers=~s/^$name\_//;
155	<	$areaname=$name."_".$vers;
72	>	$areaname=$self->version();
73		}
74	<	my $arealoc=$location."/".$areaname;
75	<	my $workloc=$arealoc."/".$self->{admindir};
76	<	$self->verbose("Building at $arealoc");
77	<	$self->location($arealoc);
78	<
79	<	# -- create top level structure and work area
80	<	AddDir::adddir($workloc);
81	<
82	<	# -- add a cache
83	<	$self->_newcache();
84	<
85	<	# -- add an Objectstore
86	<	$self->_newobjectstore();
87	<
88	<	# -- Save Environment File
89	<	$self->_SaveEnvFile();
90	<
74	>	$self->location($location."/".$areaname);
75	>	$self->symlinks($symlinks);
76	>	if ($self->configchksum() ne "")
77	>	{
78	>	if ((!-defined $locarea) && (-f "${location}/${areaname}/".$self->admindir()."/Environment"))
79	>	{
80	>	$locarea=Configuration::ConfigArea->new($self->arch());
81	>	$locarea->bootstrapfromlocation("${location}/${areaname}");
82	>	}
83	>	if ((defined $locarea) && ($locarea->configchksum() != $self->configchksum()))
84	>	{
85	>	print "ERROR: Can not setup your current working area for SCRAM_ARCH:".$self->arch().".\n",
86	>	"Your current development area ${location}/${areaname}\n",
87	>	"is using a different ${areaname}/config then the one used for\n",
88	>	$self->releasetop(),".\n";
89	>	exit 1;
90	>	}
91	>	}
92	>	Utilities::AddDir::adddir($self->archdir());
93		}
94
95		sub configurationdir {
#	Line 181 | Line 100 | sub configurationdir {
100		return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
101		}
102
103	<	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 requirementsdoc {
103	>	sub sourcedir {
104		my $self=shift;
105		if ( @_ ) {
106	<	$self->{reqdoc}=shift;
196	<	}
197	<	if ( defined $self->{reqdoc} ) {
198	<	return $self->location()."/".$self->{reqdoc};
199	<	}
200	<	else {
201	<	return undef;
106	>	$self->{sourcedir}=shift;
107		}
108	+	return (defined $self->{sourcedir})?$self->{sourcedir}:undef;
109		}
110
111	<	sub scramversion {
111	>	sub releasetop {
112		my $self=shift;
113	<	if ( ! defined $self->{scramversion} ) {
114	<	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	<	}
113	>	if ( @_ ) {
114	>	$self->{releasetop}=shift;
115		}
116	<	return $self->{scramversion};
116	>	return (defined $self->{releasetop})?$self->{releasetop}:undef;
117		}
118
119	<	sub sitename
119	>	sub admindir()
120		{
121	<	###############################################################
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	<	};
121	>	my $self=shift;
122
123	<	$sitename = <$sitefh>;
124	<	chomp($sitename);
260	<	$self->{sitename} = $sitename;
261	<
262	<	# Close the file (be tidy!);
263	<	close($sitefile);
264	<	# Return:
265	<	return $self->{sitename};
123	>	@_ ? $self->{admindir} = shift
124	>	: $self->{admindir};
125		}
126
268	–
127		sub bootstrapfromlocation {
128		my $self=shift;
129	<
129	>	my $location = $self->searchlocation(shift);
130		my $rv=0;
131	<
274	<	my $location;
275	<	if ( ! defined ($location=$self->searchlocation(@_)) ) {
131	>	if ( ! defined $location) {
132		$rv=1;
277	–	$self->verbose("Unable to locate the top of local configuration area");
133		}
134		else {
135		$self->location($location);
281	–	$self->verbose("Found top ".$self->location());
282	–	my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
136		$self->_LoadEnvFile();
137		}
138		return $rv;
#	Line 290 | Line 143 | sub location {
143
144		if ( @_ ) {
145		$self->{location}=shift;
146	+	$self->archname($self->{archname});
147		}
148		elsif ( ! defined $self->{location} ) {
149		# try and find the release location
150		$self->{location}=$self->searchlocation();
151	+	if (defined $self->{location})
152	+	{
153	+	$self->archname($self->{archname});
154	+	}
155		}
156		return  $self->{location};
157		}
#	Line 333 | Line 191 | sub archname {
191		my $self=shift;
192		if ( @_ ) {
193		$self->{archname}=shift;
194	+	if (defined $self->{location}) {
195	+	$self->archdir($self->{location}."/".$self->{admindir}."/".$self->{archname});
196	+	}
197		}
198		return $self->{archname};
199		}
#	Line 342 | Line 203 | sub archdir {
203		if ( @_ ) {
204		$self->{archdir}=shift;
205		}
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	–	}
206		return $self->{archdir};
207		}
208
209		sub satellite {
210		my $self=shift;
211	<
212	<	# -- create the sat object
362	<	my $sat=Configuration::ConfigArea->new();
211	>	my $relloc = $self->location();
212	>	my $sat=Configuration::ConfigArea->new($self->arch());
213		$sat->name($self->name());
214		$sat->version($self->version());
365	–	$sat->requirementsdoc($self->{reqdoc});
215		$sat->configurationdir($self->configurationdir());
216	+	$sat->sourcedir($self->sourcedir());
217	+	$sat->releasetop($relloc);
218	+	$sat->configchksum($self->configchksum());
219		$sat->setup(@_);
220	<
221	<	# -- copy across the cache and ObjectStore
222	<	# -- make sure we dont try building new caches in release areas
223	<	my $rcache=$self->cache();
224	<	if ( defined $rcache ) {
225	<	copy($rcache->location(),$sat->cache()->location());
226	<	}
227	<
228	<	# -- make sure we dont try building new objectstores in release areas
229	<	my $rostore=$self->objectstore();
230	<	if ( defined $rostore ) {
231	<	copy($rostore->location(),$sat->objectstore()->location());
232	<	}
233	<
234	<	# and make sure in reinitialises
235	<	undef ($sat->{cache});
236	<
237	<	# -- link it to this area
386	<	$sat->linkarea($self);
387	<
388	<	# -- save it
389	<	$sat->save();
390	<
220	>	$self->copywithskip($self->archdir(),$sat->archdir(),["InstalledTools","ProjectCache.db.gz","RuntimeCache.db.gz","DirCache.db.gz","MakeData/DirCache","MakeData/DirCache.mk","MakeData/src.mk"]);
221	>	$envfile = $sat->archdir()."/Environment";
222	>	open ( $fh, "> $envfile" ) or  $sat->error("Cannot Open \"$envfile\" file to Save\n $!");
223	>	print $fh "RELEASETOP=$relloc\n";
224	>	close($fh);
225	>	my $devconf = $sat->location()."/".$sat->configurationdir();
226	>	my $relconf = $self->location()."/".$self->configurationdir();
227	>	if (!-d $devconf)
228	>	{
229	>	$self->copywithskip($relconf,$devconf,['toolbox']);
230	>	}
231	>	$envfile = $sat->location()."/".$self->{admindir}."/Environment";
232	>	if (! -f $envfile)
233	>	{
234	>	$sat->save ();
235	>	}
236	>	Utilities::AddDir::copydir("${relconf}/toolbox/".$self->arch(),"${devconf}/toolbox/".$sat->arch());
237	>	Utilities::AddDir::adddir ($sat->location()."/".$sat->sourcedir());
238		return $sat;
239		}
240
241	<	sub copy {
395	<	my $self=shift;
396	<	my $destination=shift;
397	<
398	<	# copy across the admin dir
399	<	my $temp=$self->location()."/".$self->{admindir};
400	<	AddDir::copydir($temp,"$destination/".$self->{admindir});
401	<	}
402	<
403	<	sub align {
241	>	sub copywithskip {
242		my $self=shift;
243	<	use File::Copy;
244	<
245	<	$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	<	sub copysetup {
432	<	my $self=shift;
433	<	my $dest=shift;
434	<
243	>	my $src=shift;
244	>	my $des=shift;
245	>	my $filetoskip=shift || [];
246		my $rv=1;
247	<	# copy across the admin dir
248	<	my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
249	<	my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
250	<	if ( $temp ne $temp2 ) {
251	<	if ( -d $temp ) {
252	<	AddDir::copydir($temp,$temp2);
253	<	$rv=0;
254	<	}
255	<	}
247	>	if ( $src ne $des )
248	>	{
249	>	if ( -d $src )
250	>	{
251	>	my $fs=[];
252	>	foreach my $f (@$filetoskip) {push @$fs,"${src}/${f}";}
253	>	Utilities::AddDir::copydirwithskip($src,$des,$fs);
254	>	$rv=0;
255	>	}
256	>	}
257		return $rv;
258		}
259
#	Line 456 | Line 268 | sub copyenv {
268
269		sub arch {
270		my $self=shift;
271	<	return $ENV{SCRAM_ARCH};
460	<	}
461	<
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	<	sub unlinkarea {
477	<	my $self=shift;
478	<	undef $self->{linkarea};
479	<	$self->{linkarea}=undef;
480	<	$self->save();
481	<	}
482	<
483	<	sub linkarea {
484	<	my $self=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;
271	>	return $self->{archname};
272		}
273
274		sub save {
#	Line 497 | Line 278 | sub save {
278
279		# ---- support routines
280
281	<	sub _SaveEnvFile {
282	<	my $self=shift;
283	<	use FileHandle;
284	<	my $fh=FileHandle->new();
285	<	open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
286	<	"Environment" ) or
287	<	$self->error("Cannot Open Environment file to Save ("
507	<	.$self->location().")\n $!");
281	>	sub _SaveEnvFile
282	>	{
283	>	my $self=shift;
284	>
285	>	my $fh;
286	>	my $envfile = $self->location()."/".$self->{admindir}."/Environment";
287	>	open ( $fh, "> $envfile" ) or  $self->error("Cannot Open \"$envfile\" file to Save\n $!");
288
289	<	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
290	<	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
291	<	print $fh "projconfigdir=".$self->configurationdir()."\n";
292	<	print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
293	<	if ( defined $self->linkarea() ) {
294	<	my $area=$self->linkarea()->location();
295	<	if ( $area ne "" ) {
296	<	print $fh "RELEASETOP=".$area."\n";
297	<	}
298	<	}
299	<	undef $fh;
300	<	}
521	<
289	>	print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
290	>	print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
291	>	print $fh "SCRAM_CONFIGDIR=".$self->configurationdir()."\n";
292	>	print $fh "SCRAM_SOURCEDIR=".$self->sourcedir()."\n";
293	>	print $fh "SCRAM_SYMLINKS=",$self->symlinks(),"\n";
294	>	print $fh "SCRAM_CONFIGCHKSUM=",$self->configchksum(),"\n";
295	>	close($fh);
296	>
297	>	# Set the default permissions (-rw-r--r--):
298	>	my $filemode = 0644;
299	>	chmod $filemode, $self->location()."/".$self->{admindir}."/Environment";
300	>	}
301
302	<	sub _LoadEnvFile {
303	<	my $self=shift;
302	>	sub _LoadEnvFile
303	>	{
304	>	my $self=shift;
305
306	<	use FileHandle;
307	<	my $fh=FileHandle->new();
308	<	open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
309	<	"Environment" ) or
310	<	$self->error("Cannot find Environment file. Area Corrupted? ("
311	<	.$self->location().")\n $!");
312	<	while ( <$fh> ) {
313	<	chomp;
314	<	next if /^#/;
315	<	next if /^\s*$/ ;
316	<	($name, $value)=split /=/;
317	<	eval "\$self->{ENV}{${name}}=\"$value\"";
318	<	}
319	<	undef $fh;
306	>	my $fh;
307	>	my $envfile = $self->location()."/".$self->{admindir}."/Environment";
308	>	open ( $fh, "< $envfile" ) or $self->error("Cannot open \"$envfile\" file for reading.\n $!");
309	>	while ( <$fh> )
310	>	{
311	>	chomp;
312	>	next if /^#/;
313	>	next if /^\s*$/ ;
314	>	($name, $value)=split /=/;
315	>	eval "\$self->{ENV}{${name}}=\"$value\"";
316	>	}
317	>	close($fh);
318	>	$envfile = $self->archdir()."/Environment";
319	>	if (-f $envfile)
320	>	{
321	>	open ( $fh, "< $envfile" ) or $self->error("Cannot open \"$envfile\" file for reading.\n $!");
322	>	while ( <$fh> )
323	>	{
324	>	chomp;
325	>	next if /^#/;
326	>	next if /^\s*$/ ;
327	>	($name, $value)=split /=/;
328	>	eval "\$self->{ENV}{${name}}=\"$value\"";
329	>	}
330	>	close($fh);
331	>	}
332
333	<	# -- set internal variables appropriately
334	<	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
335	<	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
336	<	}
337	<	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
338	<	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
339	<	}
340	<	if ( defined $self->{ENV}{"projconfigdir"} ) {
341	<	$self->configurationdir($self->{ENV}{projconfigdir});
342	<	}
343	<	if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
344	<	$self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
345	<	}
346	<	if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
347	<	($self->{ENV}{"RELEASETOP"} ne $self->location())) {
348	<	$self->linkto($self->{ENV}{"RELEASETOP"});
349	<	}
350	<	else {
351	<	$self->{ENV}{"RELEASETOP"}=$self->location();
352	<	}
353	<	}
333	>	# -- set internal variables appropriately
334	>	if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} )
335	>	{
336	>	$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
337	>	}
338	>	if ( defined $self->{ENV}{"SCRAM_SYMLINKS"} )
339	>	{
340	>	$self->symlinks($self->{ENV}{"SCRAM_SYMLINKS"});
341	>	}
342	>	if ( defined $self->{ENV}{"SCRAM_CONFIGCHKSUM"} )
343	>	{
344	>	$self->configchksum($self->{ENV}{"SCRAM_CONFIGCHKSUM"});
345	>	}
346	>	if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} )
347	>	{
348	>	$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
349	>	}
350	>	if ( defined $self->{ENV}{"SCRAM_CONFIGDIR"} )
351	>	{
352	>	$self->configurationdir($self->{ENV}{"SCRAM_CONFIGDIR"});
353	>	}
354	>	if ( defined $self->{ENV}{"SCRAM_SOURCEDIR"} )
355	>	{
356	>	$self->sourcedir($self->{ENV}{"SCRAM_SOURCEDIR"});
357	>	}
358	>	if ( defined $self->{ENV}{"RELEASETOP"} )
359	>	{
360	>	$self->releasetop($self->{ENV}{"RELEASETOP"});
361	>	}
362	>	}
363	>	1;

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