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#____________________________________________________________________
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# File: ToolCache.pm
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#____________________________________________________________________
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#
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# Author: Shaun Ashby <Shaun.Ashby@cern.ch>
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# Update: 2003-10-28 10:14:08+0100
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# Revision: $Id: ToolCache.pm,v 1.2.2.1 2006/05/17 12:11:39 sashby Exp $
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#
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# Copyright: 2003 (C) Shaun Ashby
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#
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#--------------------------------------------------------------------
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package BuildSystem::ToolCache;
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require 5.004;
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use Exporter;
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@ISA=qw(Exporter);
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#
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sub new()
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{
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my $proto=shift;
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my $class=ref($proto) || $proto;
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my $self =
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{
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DOWNLOADED => { tools => undef, url => undef }, # Downloaded tool infos;
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SELECTED => undef, # The selected tools (info from RequirementsDoc);
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DEFAULTVERSIONS => {}, # Hash of tools and their default version;
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RAW => [], # The tools to be set up (the raw data from the tool docs);
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SETUP => {}, # The saved set-up data;
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STAMP => undef # The last time the cache was modified
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};
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bless $self,$class;
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return $self;
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}
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sub downloadedtools()
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{
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my $self=shift;
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# Returns an array of downloaded tools, basically all
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# those listed in configuration:
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@_ ? $self->{DOWNLOADED}{tools} = shift #
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: $self->{DOWNLOADED}{tools};
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}
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sub defaultversions()
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{
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my $self=shift;
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# Returns a hash of tools and their default versions:
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@_ ? $self->{DEFAULTVERSIONS} = shift #
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: $self->{DEFAULTVERSIONS};
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}
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sub toolurls()
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{
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my $self=shift;
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# Returns a hash of tools and their URLs:
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@_ ? $self->{DOWNLOADED}->{url} = shift #
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: $self->{DOWNLOADED}->{url};
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}
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sub selected()
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{
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my $self=shift;
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# Returns hash of selected tools:
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@_ ? $self->{SELECTED} = $_[0]
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: $self->{SELECTED};
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}
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sub addtoselected()
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{
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my $self=shift;
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my ($toolname)=@_;
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# When "scram setup X" is used to add new tool to environment, we need a way to add this tool
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# to the list of selected tools. Otherwise, runtime env won't work.
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# Need to check to see if this tool already exists in the SELECTED hash.
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# Only try to add a new rank if tool doesn't already exist:
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if (! exists $self->{SELECTED}->{$toolname})
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{
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# First, check the highest rank (just number of elements [i.e., keys in hash]). Next
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# tool added will get next number:
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my $nextrank = (keys %{$self->{SELECTED}}) + 1;
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$self->{SELECTED}->{$toolname} = $nextrank;
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}
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}
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sub store()
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{
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my $self=shift;
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# Store ToolParser objects (tools not set up yet):
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@_ ? push(@{$self->{RAW}},@_) #
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: @{$self->{RAW}};
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}
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sub rawtools()
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{
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my $self=shift;
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# Return a list of tools
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return @{$self->{RAW}};
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}
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sub setup()
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{
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my $self=shift;
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# Returns a hash of toolname/ToolData objects (set-up tools):
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return $self->{SETUP};
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}
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sub cleanup_raw()
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{
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my $self=shift;
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my ($tremoved)=@_;
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my $newrtools=[];
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# Remove the tool from the list of raw tool objects:
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foreach my $rawtool (@{$self->{RAW}})
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{
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# Find the tool name from the ToolParser object $rawtool:
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if ($tremoved eq $rawtool->toolname())
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{
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print "Removing ToolParser $tremoved from cache.","\n";
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}
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else
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{
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push(@{$newrtools},$rawtool);
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}
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}
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# Remove from list of selected tools and version list:
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delete $self->{SELECTED}->{$tremoved};
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delete $self->{DEFAULTVERSIONS}->{$tremoved};
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# Now save the new tool list:
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$self->{RAW} = $newrtools;
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}
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sub inheritcontent()
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{
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my $self=shift;
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my ($externaltm)=@_;
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# Inherit all tool data from an external scram-managed project.
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# Basically copy RAW, SETUP and SELECTED hash data:
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$self->{RAW} = [ $externaltm->rawtools() ];
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$self->{SETUP} = $externaltm->setup();
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my $tmpselected = $externaltm->selected();
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# We add the downloaded SELECTED entries to our existing SELECTED data
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# in the same order as they already appear:
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foreach my $entry ( sort { %{$tmpselected}->{$a}
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<=> %{$tmpselected}->{$b}}
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keys %{$tmpselected} )
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{
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# Now add them to selected data:
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$self->addtoselected($entry);
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}
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}
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### Read/write from/to cachefile:
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sub name()
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{
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my $self = shift;
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# Set the name of the cache file:
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@_ ? $self->{CACHENAME} = shift #
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: $self->{CACHENAME};
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}
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sub writecache()
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{
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my $self=shift;
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use Cache::CacheUtilities;
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&Cache::CacheUtilities::write($self,$self->{CACHENAME});
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}
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1;
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