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|
#!/usr/bin/env perl
########################################################################
# even the old version is guaranteed not to work
# with anything earlier than 5.008.
use 5.008;
use strict;
use version;
use ExtUtils::MakeMaker;
use File::Basename qw( basename );
use List::Util qw( first );
use File::Spec::Functions
qw
(
splitpath
catpath
catdir
curdir
);
########################################################################
# deal with MakeMaker version.
my $mm_v = ExtUtils::MakeMaker->VERSION;
my @config_requires
= $mm_v < 6.52
? ()
: (
CONFIGURE_REQUIRES =>
{
(
map
{
(
$_->[0],
version->parse( $_->[1] )->numify
)
}
(
[ qw( File::Copy::Recursive::Reduced v0.6 ) ],
[ qw( List::Util v1.46 ) ],
)
),
(
map
{
( $_ => 0 )
}
qw
(
strict
version
ExtUtils::MakeMaker
File::Basename
List::Util
File::Spec::Functions
)
),
}
)
;
########################################################################
# install the correct version of libs.pm based on the running perl
# version. after that take the version from whatever's on the disk.
########################################################################
my $perl_v
= eval
{
my $text = sprintf '%vd' => $^V;
print "\n# Parsing perl version: '$text'\n";
version->parse( $text )->numify
}
or die "Un-parsable perl version: '$^V'";
print "\n# Running perl version: '$perl_v'\n";
my $src_d
= $ENV{ FORCE_VERSION }
|| do
{
my @v_dirz = glob "./version/*"
or die "Unable to locate version dirs: './version/*'";
my $found
= first
{
$_->[0] <= $perl_v
}
sort
{
# desc sort allows first dir <= $^V.
$b->[0] <=> $a->[0]
}
map
{
my $base = basename $_;
my $ver
= eval
{
version->parse( $base )->numify
};
if( $ver )
{
[ $ver => $_ ]
}
else
{
print "Ignoring Un-parsable version: '$base' ($_), $@";
()
}
}
@v_dirz
or
die "Unable to install with Perl version '$perl_v'";
$found->[ -1 ]
};
-e $src_d
or die "Botched source dir: Non-existant $src_d";
-d $src_d
or die "Botched source dir: Non-directory $src_d";
print "\n# Version directory: $src_d <= $perl_v.\n";
# don't validate the count, just give up
# if it fails entirely.
#
# note that the behavior is returning undef on failure,
# but in this case we know there should be files copied
# so any false value is fatal.
for my $cwd ( curdir )
{
for my $subd ( qw( t lib/FindBin ) )
{
my ( $vol, $dir ) = splitpath $cwd, 1;
my $glob = catpath $vol, catdir( $dir, $subd ), '*';
if( my @found = glob $glob )
{
unlink @found;
}
}
}
require File::Copy::Recursive::Reduced;
File::Copy::Recursive::Reduced::dircopy( $src_d => '.' )
or die "Failed copy from $src_d.\n";
########################################################################
# reasonable question as to whether all of the version/* files represent
# the same version of code: the older ones have minimal bug maintainence
# only and it doesn't seem reasonable to up their version number if they
# don't change.
########################################################################
WriteMakefile
(
qw
(
NAME FindBin::libs
LICENSE perl
),
, VERSION_FROM => 'lib/FindBin/libs.pm'
, AUTHOR => 'Steven Lembark <lembark@wrkhors.com>'
, PREREQ_PM =>
{
'Cwd'
=> version->parse( 'v3.73' )->numify,
'File::Copy::Recursive::Reduced'
=> version->parse( 'v0.002' )->numify,
# particular versions
# are unlikely to cause pain.
qw
(
Carp 0
Data::Dump 0
File::Basename 0
File::Spec::Functions 0
File::Temp 0
List::Util 0
Test::More 0
Symbol 0
strict 0
version 0
)
}
, @config_requires,
);
__END__
|
