# 3. The ./inc/ version of Module::Install loads
# }
-BEGIN {
- require 5.004;
-}
+use 5.005;
use strict 'vars';
-use vars qw{$VERSION};
+use vars qw{$VERSION $MAIN};
BEGIN {
# All Module::Install core packages now require synchronised versions.
# This will be used to ensure we don't accidentally load old or
# This is not enforced yet, but will be some time in the next few
# releases once we can make sure it won't clash with custom
# Module::Install extensions.
- $VERSION = '0.71';
+ $VERSION = '0.91';
+
+ # Storage for the pseudo-singleton
+ $MAIN = undef;
+
+ *inc::Module::Install::VERSION = *VERSION;
+ @inc::Module::Install::ISA = __PACKAGE__;
+
}
# again. This is bad. Rather than taking action to touch it (which
# is unreliable on some platforms and requires write permissions)
# for now we should catch this and refuse to run.
-if ( -f $0 and (stat($0))[9] > time ) { die <<"END_DIE" }
+if ( -f $0 ) {
+ my $s = (stat($0))[9];
+
+ # If the modification time is only slightly in the future,
+ # sleep briefly to remove the problem.
+ my $a = $s - time;
+ if ( $a > 0 and $a < 5 ) { sleep 5 }
-Your installer $0 has a modification time in the future.
+ # Too far in the future, throw an error.
+ my $t = time;
+ if ( $s > $t ) { die <<"END_DIE" }
+
+Your installer $0 has a modification time in the future ($s > $t).
This is known to create infinite loops in make.
Please correct this, then run $0 again.
END_DIE
+}
# Build.PL was formerly supported, but no longer is due to excessive
# difficulty in implementing every single feature twice.
-if ( $0 =~ /Build.PL$/i or -f 'Build.PL' ) { die <<"END_DIE" }
+if ( $0 =~ /Build.PL$/i ) { die <<"END_DIE" }
Module::Install no longer supports Build.PL.
+# To save some more typing in Module::Install installers, every...
+# use inc::Module::Install
+# ...also acts as an implicit use strict.
+$^H |= strict::bits(qw(refs subs vars));
+
+
+
+
+
use Cwd ();
use File::Find ();
use File::Path ();
use FindBin;
-*inc::Module::Install::VERSION = *VERSION;
-@inc::Module::Install::ISA = __PACKAGE__;
-
sub autoload {
my $self = shift;
my $who = $self->_caller;
$sym->{$cwd} = sub {
my $pwd = Cwd::cwd();
if ( my $code = $sym->{$pwd} ) {
- # delegate back to parent dirs
+ # Delegate back to parent dirs
goto &$code unless $cwd eq $pwd;
}
$$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym";
+ my $method = $1;
+ if ( uc($method) eq $method ) {
+ # Do nothing
+ return;
+ } elsif ( $method =~ /^_/ and $self->can($method) ) {
+ # Dispatch to the root M:I class
+ return $self->$method(@_);
+ }
+
+ # Dispatch to the appropriate plugin
unshift @_, ( $self, $1 );
- goto &{$self->can('call')} unless uc($1) eq $1;
+ goto &{$self->can('call')};
};
}
delete $INC{"$self->{file}"};
delete $INC{"$self->{path}.pm"};
+ # Save to the singleton
+ $MAIN = $self;
+
return 1;
}
my @exts = @{$self->{extensions}};
unless ( @exts ) {
- my $admin = $self->{admin};
- @exts = $admin->load_all_extensions;
+ @exts = $self->{admin}->load_all_extensions;
}
my %seen;
sub load_extensions {
my ($self, $path, $top) = @_;
- unless ( grep { lc $_ eq lc $self->{prefix} } @INC ) {
+ unless ( grep { ! ref $_ and lc $_ eq lc $self->{prefix} } @INC ) {
unshift @INC, $self->{prefix};
}
#####################################################################
-# Utility Functions
+# Common Utility Functions
sub _caller {
my $depth = 0;
sub _read {
local *FH;
- open FH, "< $_[0]" or die "open($_[0]): $!";
- my $str = do { local $/; <FH> };
+ if ( $] >= 5.006 ) {
+ open( FH, '<', $_[0] ) or die "open($_[0]): $!";
+ } else {
+ open( FH, "< $_[0]" ) or die "open($_[0]): $!";
+ }
+ my $string = do { local $/; <FH> };
close FH or die "close($_[0]): $!";
- return $str;
+ return $string;
+}
+
+sub _readperl {
+ my $string = Module::Install::_read($_[0]);
+ $string =~ s/(?:\015{1,2}\012|\015|\012)/\n/sg;
+ $string =~ s/(\n)\n*__(?:DATA|END)__\b.*\z/$1/s;
+ $string =~ s/\n\n=\w+.+?\n\n=cut\b.+?\n+/\n\n/sg;
+ return $string;
+}
+
+sub _readpod {
+ my $string = Module::Install::_read($_[0]);
+ $string =~ s/(?:\015{1,2}\012|\015|\012)/\n/sg;
+ return $string if $_[0] =~ /\.pod\z/;
+ $string =~ s/(^|\n=cut\b.+?\n+)[^=\s].+?\n(\n=\w+|\z)/$1$2/sg;
+ $string =~ s/\n*=pod\b[^\n]*\n+/\n\n/sg;
+ $string =~ s/\n*=cut\b[^\n]*\n+/\n\n/sg;
+ $string =~ s/^\n+//s;
+ return $string;
}
sub _write {
local *FH;
- open FH, "> $_[0]" or die "open($_[0]): $!";
- foreach ( 1 .. $#_ ) { print FH $_[$_] or die "print($_[0]): $!" }
+ if ( $] >= 5.006 ) {
+ open( FH, '>', $_[0] ) or die "open($_[0]): $!";
+ } else {
+ open( FH, "> $_[0]" ) or die "open($_[0]): $!";
+ }
+ foreach ( 1 .. $#_ ) {
+ print FH $_[$_] or die "print($_[0]): $!";
+ }
close FH or die "close($_[0]): $!";
}
-sub _version {
+# _version is for processing module versions (eg, 1.03_05) not
+# Perl versions (eg, 5.8.1).
+sub _version ($) {
my $s = shift || 0;
- $s =~ s/^(\d+)\.?//;
+ my $d =()= $s =~ /(\.)/g;
+ if ( $d >= 2 ) {
+ # Normalise multipart versions
+ $s =~ s/(\.)(\d{1,3})/sprintf("$1%03d",$2)/eg;
+ }
+ $s =~ s/^(\d+)\.?//;
my $l = $1 || 0;
- my @v = map { $_ . '0' x (3 - length $_) } $s =~ /(\d{1,3})\D?/g;
- $l = $l . '.' . join '', @v if @v;
+ my @v = map {
+ $_ . '0' x (3 - length $_)
+ } $s =~ /(\d{1,3})\D?/g;
+ $l = $l . '.' . join '', @v if @v;
return $l + 0;
}
+sub _cmp ($$) {
+ _version($_[0]) <=> _version($_[1]);
+}
+
+# Cloned from Params::Util::_CLASS
+sub _CLASS ($) {
+ (
+ defined $_[0]
+ and
+ ! ref $_[0]
+ and
+ $_[0] =~ m/^[^\W\d]\w*(?:::\w+)*\z/s
+ ) ? $_[0] : undef;
+}
+
1;
-# Copyright 2008 Adam Kennedy.
+# Copyright 2008 - 2009 Adam Kennedy.
projects / libwww-opensearch-perl.git / blobdiff