114 lines
2.2 KiB
Perl
114 lines
2.2 KiB
Perl
# Copyright © 2012 Guillem Jover <guillem@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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package Dpkg::Build::Env;
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use strict;
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use warnings;
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our $VERSION = '0.01';
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my %env_modified = ();
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my %env_accessed = ();
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=encoding utf8
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=head1 NAME
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Dpkg::Build::Env - track build environment
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=head1 DESCRIPTION
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The Dpkg::Build::Env module is used by dpkg-buildflags to track the build
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environment variables being used and modified.
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=head1 FUNCTIONS
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=over 4
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=item set($varname, $value)
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Update the build environment variable $varname with value $value. Record
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it as being accessed and modified.
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=cut
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sub set {
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my ($varname, $value) = @_;
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$env_modified{$varname} = 1;
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$env_accessed{$varname} = 1;
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$ENV{$varname} = $value;
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}
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=item get($varname)
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Get the build environment variable $varname value. Record it as being
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accessed.
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=cut
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sub get {
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my $varname = shift;
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$env_accessed{$varname} = 1;
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return $ENV{$varname};
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}
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=item has($varname)
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Return a boolean indicating whether the environment variable exists.
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Record it as being accessed.
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=cut
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sub has {
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my $varname = shift;
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$env_accessed{$varname} = 1;
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return exists $ENV{$varname};
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}
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=item @list = list_accessed()
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Returns a list of all environment variables that have been accessed.
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=cut
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sub list_accessed {
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my @list = sort keys %env_accessed;
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return @list;
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}
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=item @list = list_modified()
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Returns a list of all environment variables that have been modified.
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=cut
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sub list_modified {
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my @list = sort keys %env_modified;
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return @list;
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}
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=back
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=head1 CHANGES
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=head2 Version 0.xx
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This is a private module.
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=cut
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1;
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