src/Configuration/ConfigArea.pm

#
# ConfigArea.pm
#
# Written by Christopher Williams
#
# Description
# -----------
# creates and manages a configuration area
#
# Notes
# -------
# Persistency - remember to call the save method to make changes persistent
#
# Interface
# ---------
# new()                         : A new ConfigArea object
# name()                        : get/set project name
# setup(dir[,areaname])         : setup a fresh area in dir
# satellite(dir[,areaname])     : setup a satellite area in dir
# version()                     : get/set project version
# location([dir])               : set/return the location of the work area
# bootstrapfromlocation([location]) : bootstrap the object based on location.
#                                     no location specified - cwd used
#                                     return 0 if succesful 1 otherwise
# requirementsdoc()             : get set the requirements doc
# searchlocation([startdir])    : returns the location directory. search starts
#                                 from cwd if not specified
# scramversion()                : return the scram version associated with
#                                 area
# configurationdir()            : return the location of the project 
#                                 configuration directory
# copy(location)                : copy a configuration
# copysetup(location)           : copy the architecture specific tool setup
#                                 returns 0 if successful, 1 otherwise
# copyenv($ref)                 : copy the areas environment into the hashref
# toolbox()                     : return the areas toolbox object
# save()                        : save changes permanently
# linkto(location)              : link the current area to that at location
# unlinkarea()                  : destroy link (autosave)
# linkarea([ConfigArea])        : link the current area to the apec Area Object
# archname()            : get/set a string to indicate architecture
# archdir()             : return the location of the administration arch dep 
#                         directory
# objectstore()         : return the objectStore object of the area
# - temporary
# align()                       : adjust hard paths to suit local loaction

package Configuration::ConfigArea;
require 5.004;
use URL::URLcache;
use Utilities::AddDir;
use Utilities::Verbose;
use ObjectUtilities::ObjectStore;
use Cwd;
@ISA=qw(Utilities::Verbose);

sub new {
        my $class=shift;
        my $self={};
        bless $self, $class;

        # data init
        $self->{admindir}=".SCRAM";
        $self->{cachedir}="cache";
        $self->{dbdir}="ObjectDB";
        undef $self->{linkarea};

        return $self;
}

sub cache {
        my $self=shift;
        if ( @_ ) {
          $self->{cache}=shift;
        }
        elsif ( ! defined $self->{cache} ) {
          my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
          $self->{cache}=URL::URLcache->new($loc);
        }
        return $self->{cache};
}

sub objectstore {
        my $self=shift;
        if ( @_ ) {
          $self->{dbstore}=shift;
        }
        elsif ( ! defined $self->{dbstore} ) {
          my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
          $self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
        }
        return $self->{dbstore}
}

sub name {
        my $self=shift;
        @_?$self->{name}=shift
          :$self->{name};
}

sub version {
        my $self=shift;
        @_?$self->{version}=shift
          :$self->{version};
}

sub setup {
        my $self=shift;
        my $location=shift;
        my $areaname;

        # -- check we have a project name and version
        my $name=$self->name();
        my $vers=$self->version();
        if ( ( ! defined $name ) && ( ! defined $version )) {
          $self->error("Set ConfigArea name and version before setup");
        }

        # -- check arguments and set location
        if ( ! defined $location ) {
          $self->error("ConfigArea: Cannot setup new area without a location");
        }
        if ( @_ ) {
          $areaname=shift;
        }
        if ( (! defined $areaname) || ( $areaname eq "" ) ) {
          # -- make up a name from the project name and version
          $vers=~s/^$name\_//;
          $areaname=$name."_".$vers;
        }
        my $arealoc=$location."/".$areaname;
        my $workloc=$arealoc."/".$self->{admindir};
        $self->verbose("Building at $arealoc");
        $self->location($arealoc);

        # -- create top level structure and work area
        AddDir::adddir($workloc);

        # -- add a cache
        $self->cache();

        # -- Save Environment File
        $self->_SaveEnvFile();

}

sub configurationdir {
        my $self=shift;
        if ( @_ ) {
          $self->{configurationdir}=shift;
        }
        return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
}

sub toolbox {
        my $self=shift;
        if ( ! defined $self->{toolbox} ) {
          $self->{toolbox}=BuildSystem::ToolBox->new($self);
        }
        return $self->{toolbox};
}

sub requirementsdoc {
        my $self=shift;
        if ( @_ ) {
          $self->{reqdoc}=shift;
        }
        if ( defined $self->{reqdoc} ) {
          return $self->location()."/".$self->{reqdoc};
        }
        else {
          return undef;
        }
}

sub scramversion {
        my $self=shift;
        if ( ! defined $self->{scramversion} ) {
          my $filename=$self->location()."/".$self->configurationdir()."/".
                                                        "scram_version";
          if ( -f $filename ) {
            use FileHandle;
            $fh=FileHandle->new();
            open ($fh, "<".$filename);
            my $version=<$fh>;
            chomp $version;
            $self->{scramversion}=$version;
            undef $fh;
          }
        }
        return $self->{scramversion};
}

sub bootstrapfromlocation {
        my $self=shift;

        my $rv=0;
        
        my $location;
        if ( ! defined ($location=$self->searchlocation(@_)) ) {
         $rv=1;
         $self->verbose("Unable to locate the top of local configuration area");
        }
        else {
         $self->location($location);
         $self->verbose("Found top ".$self->location());
         my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
         $self->_LoadEnvFile();
        }
        return $rv;
}

sub location {
        my $self=shift;

        if ( @_ ) {
          $self->{location}=shift;
        }
        elsif ( ! defined $self->{location} ) {
          # try and find the release location
          $self->{location}=$self->searchlocation();
        }
        return  $self->{location};
}

sub searchlocation {
        my $self=shift;

        #start search in current directory if not specified
        my $thispath;
        if ( @_ ) {
          $thispath=shift
        }
        else {
          $thispath=cwd();
        }
 
        my $rv=0;

        # chop off any files - we only want dirs
        if ( -f $thispath ) {
          $thispath=~s/(.*)\/.*/$1/;
        }
        Sloop:{
        do {
          $self->verbose("Searching $thispath");
          if ( -e "$thispath/".$self->{admindir} ) {
            $self->verbose("Found\n");
            $rv=1;
            last Sloop;
          }
        } while ( ($thispath=~s/(.*)\/.*/$1/)=~/./ ) };

        return $rv?$thispath:undef;
}

sub archname {
        my $self=shift;
        if ( @_ ) {
          $self->{archname}=shift;
        }
        return $self->{archname};
}

sub archdir {
        my $self=shift;
        if ( @_ ) {
          $self->{archdir}=shift;
        }
        if ( ! defined $self->{archdir} ) {
         if ( defined $self->{archname} ) {
          $self->{archdir}=$self->location()."/".$self->{admindir}."/".
                                                        $self->{archname};
         }
         else {
          $self->error("ConfigArea : cannot create arch directory - ".
                                                "architecture name not set")
         }
        }
        return $self->{archdir};
}

sub satellite {
        my $self=shift;

        # -- create the sat object
        my $sat=Configuration::ConfigArea->new();
        $sat->name($self->name());
        $sat->version($self->version());
        $sat->requirementsdoc($self->{reqdoc});
        $sat->configurationdir($self->configurationdir());
        $sat->setup(@_);

        # -- copy across the cache and ObjectStore
        copy($self->cache()->location(),$sat->cache()->location());
        copy($self->objectstore()->location(),$sat->objectstore()->location());

        # and make sure in reinitialises
        undef ($sat->{cache});

        # -- link it to this area
        $sat->linkarea($self);
        
        # -- save it
        $sat->save();

        return $sat;
}

sub copy {
        my $self=shift;
        my $destination=shift;

        # copy across the admin dir
        my $temp=$self->location()."/".$self->{admindir};
        AddDir::copydir($temp,"$destination/".$self->{admindir});
}

sub align {
        my $self=shift;
        use File::Copy;

        $self->_LoadEnvFile();
        my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
        my $tmpEnvfile=$Envfile.".bak";
        my $rel=$self->{ENV}{RELEASETOP};
        my $local=$self->location();

        rename( $Envfile, $tmpEnvfile );
        use FileHandle;
        my $fh=FileHandle->new();
        my $fout=FileHandle->new();
        open ( $fh, "<".$tmpEnvfile ) or
                $self->error("Cannot find Environment file. Area Corrupted? ("
                                .$self->location().")\n $!");
        open ( $fout, ">".$Envfile ) or
                $self->error("Cannot find Environment file. Area Corrupted? ("
                                .$self->location().")\n $!");
        while ( <$fh> ) {
          $_=~s/\Q$rel\L/$local/g;
          print $fout $_;
        }
        undef $fh;
        undef $fout;
}

sub copysetup {
        my $self=shift;
        my $dest=shift;

        my $rv=1;
        # copy across the admin dir
        my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
        my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
        if ( $temp ne $temp2 ) {
         if ( -d $temp ) {
          AddDir::copydir($temp,$temp2);
          $rv=0;
         }
        }
        return $rv;
}

sub copyenv {
        my $self=shift;
        my $hashref=shift;
        
        foreach $elem ( keys %{$self->{ENV}} ) {
           $$hashref{$elem}=$self->{ENV}{$elem};
        }
}

sub arch {
        my $self=shift;
        return $ENV{SCRAM_ARCH};
}

sub linkto {
        my $self=shift;
        my $location=shift;
        if ( -d $location ) {
        my $area=Configuration::ConfigArea->new();
        $area->bootstrapfromlocation($location);
        $self->linkarea($area);
        }
        else {
          $self->error("ConfigArea : Unable to link to non existing directory ".
                         $location);
        }
}

sub unlinkarea {
        my $self=shift;
        undef $self->{linkarea};
        $self->{linkarea}=undef;
        $self->save();
}

sub linkarea {
        my $self=shift;
        my $area=shift;
        if ( defined $area ) {
          $self->{linkarea}=$area;
        }
        return (defined $self->{linkarea} && $self->{linkarea} ne "")?
                        $self->{linkarea}:undef;
}

sub save {
        my $self=shift;
        $self->_SaveEnvFile();
}

# ---- support routines

sub _SaveEnvFile {
        my $self=shift;
        use FileHandle;
        my $fh=FileHandle->new();
        open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
                "Environment" ) or 
                $self->error("Cannot Open Environment file to Save ("
                                .$self->location().")\n $!"); 
        
        print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
        print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
        print $fh "projconfigdir=".$self->configurationdir()."\n";
        print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
        if ( defined $self->linkarea() ) {
          my $area=$self->linkarea()->location();
          if ( $area ne "" ) {
          print $fh "RELEASETOP=".$area."\n";
          }
        }
        undef $fh;
}


sub _LoadEnvFile {
        my $self=shift;

        use FileHandle;
        my $fh=FileHandle->new();
        open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
                "Environment" ) or 
                $self->error("Cannot find Environment file. Area Corrupted? ("
                                .$self->location().")\n $!"); 
        while ( <$fh> ) {
           chomp;
           next if /^#/;
           next if /^\s*$/ ;
           ($name, $value)=split /=/;
           eval "\$self->{ENV}{${name}}=\"$value\"";
        }
        undef $fh;
        
        # -- set internal variables appropriately
        if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
          $self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
        }
        if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
          $self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
        }
        if ( defined $self->{ENV}{"projconfigdir"} ) {
          $self->configurationdir($self->{ENV}{projconfigdir});
        }
        if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
          $self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
        }
        if ( ( defined $self->{ENV}{"RELEASETOP"} ) && 
                        ($self->{ENV}{"RELEASETOP"} ne $self->location())) {
          $self->linkto($self->{ENV}{"RELEASETOP"});
        }
        else {
          $self->{ENV}{"RELEASETOP"}=$self->location();
        }
}
Revision:	1.14
Committed:	Mon Aug 28 08:35:14 2000 UTC (24 years, 8 months ago) by williamc
Content type:	text/plain
Branch:	MAIN
Changes since 1.13:	+322 -347 lines
Log Message:	remove Interface.pm
#	User	Rev	Content
1	williamc	1.1	#
2			# ConfigArea.pm
3			#
4	williamc	1.14	# Written by Christopher Williams
5	williamc	1.1	#
6			# Description
7	williamc	1.9	# -----------
8			# creates and manages a configuration area
9			#
10	williamc	1.14	# Notes
11	williamc	1.9	# -------
12	williamc	1.14	# Persistency - remember to call the save method to make changes persistent
13	williamc	1.1	#
14			# Interface
15			# ---------
16	williamc	1.14	# 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	williamc	1.5	# searchlocation([startdir]) : returns the location directory. search starts
27			# from cwd if not specified
28	williamc	1.14	# 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	williamc	1.1
48			package Configuration::ConfigArea;
49			require 5.004;
50	williamc	1.14	use URL::URLcache;
51	williamc	1.1	use Utilities::AddDir;
52	williamc	1.14	use Utilities::Verbose;
53	williamc	1.1	use ObjectUtilities::ObjectStore;
54	williamc	1.6	use Cwd;
55	williamc	1.14	@ISA=qw(Utilities::Verbose);
56	williamc	1.1
57	williamc	1.14	sub new {
58			my $class=shift;
59			my $self={};
60			bless $self, $class;
61	williamc	1.5
62	williamc	1.14	# data init
63			$self->{admindir}=".SCRAM";
64			$self->{cachedir}="cache";
65			$self->{dbdir}="ObjectDB";
66			undef $self->{linkarea};
67	williamc	1.8
68	williamc	1.14	return $self;
69	williamc	1.1	}
70
71	williamc	1.14	sub cache {
72	williamc	1.9	my $self=shift;
73	williamc	1.14	if ( @_ ) {
74			$self->{cache}=shift;
75			}
76			elsif ( ! defined $self->{cache} ) {
77			my $loc=$self->location()."/".$self->{admindir}."/".$self->{cachedir};
78			$self->{cache}=URL::URLcache->new($loc);
79			}
80			return $self->{cache};
81			}
82	williamc	1.9
83	williamc	1.14	sub objectstore {
84			my $self=shift;
85	williamc	1.9	if ( @_ ) {
86	williamc	1.14	$self->{dbstore}=shift;
87	williamc	1.9	}
88	williamc	1.14	elsif ( ! defined $self->{dbstore} ) {
89			my $loc=$self->location()."/".$self->{admindir}."/".$self->{dbdir};
90			$self->{dbstore}=ObjectUtilities::ObjectStore->new($loc);
91	williamc	1.9	}
92	williamc	1.14	return $self->{dbstore}
93	williamc	1.9	}
94
95	williamc	1.14	sub name {
96	williamc	1.9	my $self=shift;
97	williamc	1.14	@_?$self->{name}=shift
98			:$self->{name};
99	williamc	1.9	}
100	williamc	1.7
101	williamc	1.14	sub version {
102	williamc	1.6	my $self=shift;
103	williamc	1.14	@_?$self->{version}=shift
104			:$self->{version};
105	williamc	1.9	}
106	williamc	1.8
107	williamc	1.1	sub setup {
108			my $self=shift;
109	williamc	1.14	my $location=shift;
110			my $areaname;
111	williamc	1.1
112	williamc	1.14	# -- check we have a project name and version
113			my $name=$self->name();
114			my $vers=$self->version();
115			if ( ( ! defined $name ) && ( ! defined $version )) {
116			$self->error("Set ConfigArea name and version before setup");
117			}
118
119			# -- check arguments and set location
120	williamc	1.7	if ( ! defined $location ) {
121	williamc	1.14	$self->error("ConfigArea: Cannot setup new area without a location");
122	williamc	1.7	}
123	williamc	1.14	if ( @_ ) {
124			$areaname=shift;
125	williamc	1.6	}
126	williamc	1.14	if ( (! defined $areaname) \|\| ( $areaname eq "" ) ) {
127			# -- make up a name from the project name and version
128			$vers=~s/^$name\_//;
129			$areaname=$name."_".$vers;
130	williamc	1.1	}
131	williamc	1.14	my $arealoc=$location."/".$areaname;
132			my $workloc=$arealoc."/".$self->{admindir};
133			$self->verbose("Building at $arealoc");
134			$self->location($arealoc);
135	williamc	1.1
136	williamc	1.14	# -- create top level structure and work area
137			AddDir::adddir($workloc);
138	williamc	1.1
139	williamc	1.14	# -- add a cache
140			$self->cache();
141	williamc	1.5
142	williamc	1.14	# -- Save Environment File
143			$self->_SaveEnvFile();
144	williamc	1.3
145	williamc	1.9	}
146
147	williamc	1.14	sub configurationdir {
148	williamc	1.9	my $self=shift;
149	williamc	1.14	if ( @_ ) {
150			$self->{configurationdir}=shift;
151			}
152			return (defined $self->{configurationdir})?$self->{configurationdir}:undef;
153	williamc	1.9	}
154
155	williamc	1.14	sub toolbox {
156	williamc	1.3	my $self=shift;
157	williamc	1.14	if ( ! defined $self->{toolbox} ) {
158			$self->{toolbox}=BuildSystem::ToolBox->new($self);
159			}
160			return $self->{toolbox};
161	williamc	1.4	}
162
163	williamc	1.14	sub requirementsdoc {
164	williamc	1.5	my $self=shift;
165	williamc	1.14	if ( @_ ) {
166			$self->{reqdoc}=shift;
167			}
168			if ( defined $self->{reqdoc} ) {
169			return $self->location()."/".$self->{reqdoc};
170	williamc	1.12	}
171			else {
172	williamc	1.14	return undef;
173	williamc	1.12	}
174	williamc	1.5	}
175
176	williamc	1.14	sub scramversion {
177	williamc	1.4	my $self=shift;
178	williamc	1.14	if ( ! defined $self->{scramversion} ) {
179			my $filename=$self->location()."/".$self->configurationdir()."/".
180			"scram_version";
181			if ( -f $filename ) {
182			use FileHandle;
183			$fh=FileHandle->new();
184			open ($fh, "<".$filename);
185			my $version=<$fh>;
186			chomp $version;
187			$self->{scramversion}=$version;
188			undef $fh;
189			}
190			}
191			return $self->{scramversion};
192	williamc	1.1	}
193
194	williamc	1.14	sub bootstrapfromlocation {
195	williamc	1.1	my $self=shift;
196
197	williamc	1.14	my $rv=0;
198
199			my $location;
200			if ( ! defined ($location=$self->searchlocation(@_)) ) {
201			$rv=1;
202			$self->verbose("Unable to locate the top of local configuration area");
203	williamc	1.9	}
204			else {
205	williamc	1.14	$self->location($location);
206			$self->verbose("Found top ".$self->location());
207			my $infofile=$self->location()."/".$self->{admindir}."/ConfigArea.dat";
208			$self->_LoadEnvFile();
209	williamc	1.9	}
210	williamc	1.14	return $rv;
211	williamc	1.1	}
212
213			sub location {
214			my $self=shift;
215
216	williamc	1.5	if ( @_ ) {
217	williamc	1.6	$self->{location}=shift;
218	williamc	1.5	}
219			elsif ( ! defined $self->{location} ) {
220			# try and find the release location
221	williamc	1.9	$self->{location}=$self->searchlocation();
222	williamc	1.5	}
223			return $self->{location};
224			}
225
226			sub searchlocation {
227			my $self=shift;
228
229			#start search in current directory if not specified
230			my $thispath;
231	williamc	1.14	if ( @_ ) {
232			$thispath=shift
233			}
234			else {
235			$thispath=cwd();
236			}
237	williamc	1.5
238			my $rv=0;
239
240	williamc	1.14	# chop off any files - we only want dirs
241			if ( -f $thispath ) {
242			$thispath=~s/(.)\/./$1/;
243			}
244	williamc	1.6	Sloop:{
245			do {
246	williamc	1.14	$self->verbose("Searching $thispath");
247	williamc	1.8	if ( -e "$thispath/".$self->{admindir} ) {
248	williamc	1.14	$self->verbose("Found\n");
249	williamc	1.5	$rv=1;
250	williamc	1.6	last Sloop;
251	williamc	1.5	}
252	williamc	1.6	} while ( ($thispath=~s/(.)\/./$1/)=~/./ ) };
253	williamc	1.5
254			return $rv?$thispath:undef;
255	williamc	1.1	}
256
257	williamc	1.14	sub archname {
258	williamc	1.1	my $self=shift;
259	williamc	1.14	if ( @_ ) {
260			$self->{archname}=shift;
261			}
262			return $self->{archname};
263			}
264	williamc	1.1
265	williamc	1.14	sub archdir {
266			my $self=shift;
267			if ( @_ ) {
268			$self->{archdir}=shift;
269			}
270			if ( ! defined $self->{archdir} ) {
271			if ( defined $self->{archname} ) {
272			$self->{archdir}=$self->location()."/".$self->{admindir}."/".
273			$self->{archname};
274			}
275			else {
276			$self->error("ConfigArea : cannot create arch directory - ".
277			"architecture name not set")
278			}
279			}
280			return $self->{archdir};
281	williamc	1.1	}
282
283	williamc	1.14	sub satellite {
284	williamc	1.1	my $self=shift;
285	williamc	1.14
286			# -- create the sat object
287			my $sat=Configuration::ConfigArea->new();
288			$sat->name($self->name());
289			$sat->version($self->version());
290			$sat->requirementsdoc($self->{reqdoc});
291			$sat->configurationdir($self->configurationdir());
292			$sat->setup(@_);
293
294			# -- copy across the cache and ObjectStore
295			copy($self->cache()->location(),$sat->cache()->location());
296			copy($self->objectstore()->location(),$sat->objectstore()->location());
297
298			# and make sure in reinitialises
299			undef ($sat->{cache});
300
301			# -- link it to this area
302			$sat->linkarea($self);
303	williamc	1.1
304	williamc	1.14	# -- save it
305			$sat->save();
306
307			return $sat;
308	williamc	1.1	}
309
310	williamc	1.14	sub copy {
311	williamc	1.1	my $self=shift;
312	williamc	1.14	my $destination=shift;
313	williamc	1.1
314	williamc	1.14	# copy across the admin dir
315			my $temp=$self->location()."/".$self->{admindir};
316			AddDir::copydir($temp,"$destination/".$self->{admindir});
317	williamc	1.13	}
318
319	williamc	1.14	sub align {
320	williamc	1.13	my $self=shift;
321	williamc	1.14	use File::Copy;
322
323			$self->_LoadEnvFile();
324			my $Envfile=$self->location()."/".$self->{admindir}."/Environment";
325			my $tmpEnvfile=$Envfile.".bak";
326			my $rel=$self->{ENV}{RELEASETOP};
327			my $local=$self->location();
328
329			rename( $Envfile, $tmpEnvfile );
330			use FileHandle;
331			my $fh=FileHandle->new();
332			my $fout=FileHandle->new();
333			open ( $fh, "<".$tmpEnvfile ) or
334			$self->error("Cannot find Environment file. Area Corrupted? ("
335			.$self->location().")\n $!");
336			open ( $fout, ">".$Envfile ) or
337			$self->error("Cannot find Environment file. Area Corrupted? ("
338			.$self->location().")\n $!");
339			while ( <$fh> ) {
340			$_=~s/\Q$rel\L/$local/g;
341			print $fout $_;
342			}
343			undef $fh;
344			undef $fout;
345	williamc	1.1	}
346
347	williamc	1.14	sub copysetup {
348	williamc	1.9	my $self=shift;
349	williamc	1.14	my $dest=shift;
350
351			my $rv=1;
352			# copy across the admin dir
353			my $temp=$self->location()."/".$self->{admindir}."/".$self->arch();
354			my $temp2=$dest."/".$self->{admindir}."/".$self->arch();
355			if ( $temp ne $temp2 ) {
356			if ( -d $temp ) {
357			AddDir::copydir($temp,$temp2);
358			$rv=0;
359			}
360	williamc	1.9	}
361	williamc	1.14	return $rv;
362	williamc	1.9	}
363
364	williamc	1.14	sub copyenv {
365	williamc	1.9	my $self=shift;
366	williamc	1.14	my $hashref=shift;
367
368			foreach $elem ( keys %{$self->{ENV}} ) {
369			$$hashref{$elem}=$self->{ENV}{$elem};
370	williamc	1.9	}
371			}
372
373	williamc	1.14	sub arch {
374	williamc	1.9	my $self=shift;
375	williamc	1.14	return $ENV{SCRAM_ARCH};
376	williamc	1.9	}
377
378	williamc	1.14	sub linkto {
379	williamc	1.9	my $self=shift;
380	williamc	1.14	my $location=shift;
381			if ( -d $location ) {
382			my $area=Configuration::ConfigArea->new();
383			$area->bootstrapfromlocation($location);
384			$self->linkarea($area);
385			}
386			else {
387			$self->error("ConfigArea : Unable to link to non existing directory ".
388			$location);
389	williamc	1.9	}
390			}
391
392	williamc	1.14	sub unlinkarea {
393	williamc	1.9	my $self=shift;
394	williamc	1.14	undef $self->{linkarea};
395			$self->{linkarea}=undef;
396			$self->save();
397			}
398	williamc	1.9
399	williamc	1.14	sub linkarea {
400	williamc	1.1	my $self=shift;
401	williamc	1.14	my $area=shift;
402			if ( defined $area ) {
403			$self->{linkarea}=$area;
404			}
405			return (defined $self->{linkarea} && $self->{linkarea} ne "")?
406			$self->{linkarea}:undef;
407	williamc	1.1	}
408
409	williamc	1.14	sub save {
410	williamc	1.1	my $self=shift;
411	williamc	1.14	$self->_SaveEnvFile();
412	williamc	1.1	}
413
414	williamc	1.14	# ---- support routines
415	williamc	1.1
416	williamc	1.14	sub _SaveEnvFile {
417	williamc	1.9	my $self=shift;
418	williamc	1.14	use FileHandle;
419			my $fh=FileHandle->new();
420			open ( $fh, ">".$self->location()."/".$self->{admindir}."/".
421			"Environment" ) or
422			$self->error("Cannot Open Environment file to Save ("
423			.$self->location().")\n $!");
424
425			print $fh "SCRAM_PROJECTNAME=".$self->name()."\n";
426			print $fh "SCRAM_PROJECTVERSION=".$self->version()."\n";
427			print $fh "projconfigdir=".$self->configurationdir()."\n";
428			print $fh "SCRAM_ProjReqsDoc=".$self->{reqdoc}."\n";
429			if ( defined $self->linkarea() ) {
430			my $area=$self->linkarea()->location();
431			if ( $area ne "" ) {
432			print $fh "RELEASETOP=".$area."\n";
433			}
434	williamc	1.9	}
435	williamc	1.14	undef $fh;
436	williamc	1.9	}
437
438	williamc	1.1
439	williamc	1.14	sub _LoadEnvFile {
440	williamc	1.9	my $self=shift;
441
442	williamc	1.14	use FileHandle;
443			my $fh=FileHandle->new();
444			open ( $fh, "<".$self->location()."/".$self->{admindir}."/".
445			"Environment" ) or
446			$self->error("Cannot find Environment file. Area Corrupted? ("
447			.$self->location().")\n $!");
448			while ( <$fh> ) {
449			chomp;
450			next if /^#/;
451			next if /^\s*$/ ;
452			($name, $value)=split /=/;
453			eval "\$self->{ENV}{${name}}=\"$value\"";
454			}
455			undef $fh;
456
457			# -- set internal variables appropriately
458			if ( defined $self->{ENV}{"SCRAM_PROJECTNAME"} ) {
459			$self->name($self->{ENV}{"SCRAM_PROJECTNAME"});
460			}
461			if ( defined $self->{ENV}{"SCRAM_PROJECTVERSION"} ) {
462			$self->version($self->{ENV}{"SCRAM_PROJECTVERSION"});
463			}
464			if ( defined $self->{ENV}{"projconfigdir"} ) {
465			$self->configurationdir($self->{ENV}{projconfigdir});
466			}
467			if ( defined $self->{ENV}{"SCRAM_ProjReqsDoc"} ) {
468			$self->requirementsdoc($self->{ENV}{SCRAM_ProjReqsDoc});
469			}
470			if ( ( defined $self->{ENV}{"RELEASETOP"} ) &&
471			($self->{ENV}{"RELEASETOP"} ne $self->location())) {
472			$self->linkto($self->{ENV}{"RELEASETOP"});
473	williamc	1.9	}
474			else {
475	williamc	1.14	$self->{ENV}{"RELEASETOP"}=$self->location();
476	williamc	1.9	}
477			}