use 5.005;
use strict 'vars';
+use Cwd ();
+use File::Find ();
+use File::Path ();
+use FindBin;
use vars qw{$VERSION $MAIN};
BEGIN {
# 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 = '0.91';
+ $VERSION = '0.97';
# Storage for the pseudo-singleton
$MAIN = undef;
}
+sub import {
+ my $class = shift;
+ my $self = $class->new(@_);
+ my $who = $self->_caller;
-
-
-
-# Whether or not inc::Module::Install is actually loaded, the
-# $INC{inc/Module/Install.pm} is what will still get set as long as
-# the caller loaded module this in the documented manner.
-# If not set, the caller may NOT have loaded the bundled version, and thus
-# they may not have a MI version that works with the Makefile.PL. This would
-# result in false errors or unexpected behaviour. And we don't want that.
-my $file = join( '/', 'inc', split /::/, __PACKAGE__ ) . '.pm';
-unless ( $INC{$file} ) { die <<"END_DIE" }
+ #-------------------------------------------------------------
+ # all of the following checks should be included in import(),
+ # to allow "eval 'require Module::Install; 1' to test
+ # installation of Module::Install. (RT #51267)
+ #-------------------------------------------------------------
+
+ # Whether or not inc::Module::Install is actually loaded, the
+ # $INC{inc/Module/Install.pm} is what will still get set as long as
+ # the caller loaded module this in the documented manner.
+ # If not set, the caller may NOT have loaded the bundled version, and thus
+ # they may not have a MI version that works with the Makefile.PL. This would
+ # result in false errors or unexpected behaviour. And we don't want that.
+ my $file = join( '/', 'inc', split /::/, __PACKAGE__ ) . '.pm';
+ unless ( $INC{$file} ) { die <<"END_DIE" }
Please invoke ${\__PACKAGE__} with:
END_DIE
-
-
-
-
-# If the script that is loading Module::Install is from the future,
-# then make will detect this and cause it to re-run over and over
-# 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 ) {
- 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 }
-
- # Too far in the future, throw an error.
- my $t = time;
- if ( $s > $t ) { die <<"END_DIE" }
+ # This reportedly fixes a rare Win32 UTC file time issue, but
+ # as this is a non-cross-platform XS module not in the core,
+ # we shouldn't really depend on it. See RT #24194 for detail.
+ # (Also, this module only supports Perl 5.6 and above).
+ eval "use Win32::UTCFileTime" if $^O eq 'MSWin32' && $] >= 5.006;
+
+ # If the script that is loading Module::Install is from the future,
+ # then make will detect this and cause it to re-run over and over
+ # 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 ) {
+ 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 }
+
+ # 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).
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 ) { die <<"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 ) { die <<"END_DIE" }
Module::Install no longer supports Build.PL.
END_DIE
+ #-------------------------------------------------------------
+ # 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));
+ #-------------------------------------------------------------
+ unless ( -f $self->{file} ) {
+ foreach my $key (keys %INC) {
+ delete $INC{$key} if $key =~ /Module\/Install/;
+ }
-# To save some more typing in Module::Install installers, every...
-# use inc::Module::Install
-# ...also acts as an implicit use strict.
-$^H |= strict::bits(qw(refs subs vars));
-
+ local $^W;
+ require "$self->{path}/$self->{dispatch}.pm";
+ File::Path::mkpath("$self->{prefix}/$self->{author}");
+ $self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
+ $self->{admin}->init;
+ @_ = ($class, _self => $self);
+ goto &{"$self->{name}::import"};
+ }
+ local $^W;
+ *{"${who}::AUTOLOAD"} = $self->autoload;
+ $self->preload;
+ # Unregister loader and worker packages so subdirs can use them again
+ delete $INC{'inc/Module/Install.pm'};
+ delete $INC{'Module/Install.pm'};
+ # Save to the singleton
+ $MAIN = $self;
-use Cwd ();
-use File::Find ();
-use File::Path ();
-use FindBin;
+ return 1;
+}
sub autoload {
my $self = shift;
# Delegate back to parent dirs
goto &$code unless $cwd eq $pwd;
}
- $$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym";
+ unless ($$sym =~ s/([^:]+)$//) {
+ # XXX: it looks like we can't retrieve the missing function
+ # via $$sym (usually $main::AUTOLOAD) in this case.
+ # I'm still wondering if we should slurp Makefile.PL to
+ # get some context or not ...
+ my ($package, $file, $line) = caller;
+ die <<"EOT";
+Unknown function is found at $file line $line.
+Execution of $file aborted due to runtime errors.
+
+If you're a contributor to a project, you may need to install
+some Module::Install extensions from CPAN (or other repository).
+If you're a user of a module, please contact the author.
+EOT
+ }
my $method = $1;
if ( uc($method) eq $method ) {
# Do nothing
};
}
-sub import {
- my $class = shift;
- my $self = $class->new(@_);
- my $who = $self->_caller;
-
- unless ( -f $self->{file} ) {
- require "$self->{path}/$self->{dispatch}.pm";
- File::Path::mkpath("$self->{prefix}/$self->{author}");
- $self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
- $self->{admin}->init;
- @_ = ($class, _self => $self);
- goto &{"$self->{name}::import"};
- }
-
- *{"${who}::AUTOLOAD"} = $self->autoload;
- $self->preload;
-
- # Unregister loader and worker packages so subdirs can use them again
- delete $INC{"$self->{file}"};
- delete $INC{"$self->{path}.pm"};
-
- # Save to the singleton
- $MAIN = $self;
-
- return 1;
-}
-
sub preload {
my $self = shift;
unless ( $self->{extensions} ) {
my $who = $self->_caller;
foreach my $name ( sort keys %seen ) {
+ local $^W;
*{"${who}::$name"} = sub {
${"${who}::AUTOLOAD"} = "${who}::$name";
goto &{"${who}::AUTOLOAD"};
sub new {
my ($class, %args) = @_;
+ FindBin->again;
+
# ignore the prefix on extension modules built from top level.
my $base_path = Cwd::abs_path($FindBin::Bin);
unless ( Cwd::abs_path(Cwd::cwd()) eq $base_path ) {
delete $args{prefix};
}
-
return $args{_self} if $args{_self};
$args{dispatch} ||= 'Admin';
sub load_extensions {
my ($self, $path, $top) = @_;
+ my $should_reload = 0;
unless ( grep { ! ref $_ and lc $_ eq lc $self->{prefix} } @INC ) {
unshift @INC, $self->{prefix};
+ $should_reload = 1;
}
foreach my $rv ( $self->find_extensions($path) ) {
next if $self->{pathnames}{$pkg};
local $@;
- my $new = eval { require $file; $pkg->can('new') };
+ my $new = eval { local $^W; require $file; $pkg->can('new') };
unless ( $new ) {
warn $@ if $@;
next;
}
- $self->{pathnames}{$pkg} = delete $INC{$file};
+ $self->{pathnames}{$pkg} =
+ $should_reload ? delete $INC{$file} : $INC{$file};
push @{$self->{extensions}}, &{$new}($pkg, _top => $top );
}
return $call;
}
+# Done in evals to avoid confusing Perl::MinimumVersion
+eval( $] >= 5.006 ? <<'END_NEW' : <<'END_OLD' ); die $@ if $@;
sub _read {
local *FH;
- if ( $] >= 5.006 ) {
- open( FH, '<', $_[0] ) or die "open($_[0]): $!";
- } else {
- open( FH, "< $_[0]" ) or die "open($_[0]): $!";
- }
+ open( FH, '<', $_[0] ) or die "open($_[0]): $!";
my $string = do { local $/; <FH> };
close FH or die "close($_[0]): $!";
return $string;
}
+END_NEW
+sub _read {
+ local *FH;
+ open( FH, "< $_[0]" ) or die "open($_[0]): $!";
+ my $string = do { local $/; <FH> };
+ close FH or die "close($_[0]): $!";
+ return $string;
+}
+END_OLD
sub _readperl {
my $string = Module::Install::_read($_[0]);
return $string;
}
+# Done in evals to avoid confusing Perl::MinimumVersion
+eval( $] >= 5.006 ? <<'END_NEW' : <<'END_OLD' ); die $@ if $@;
sub _write {
local *FH;
- if ( $] >= 5.006 ) {
- open( FH, '>', $_[0] ) or die "open($_[0]): $!";
- } else {
- open( FH, "> $_[0]" ) or die "open($_[0]): $!";
+ open( FH, '>', $_[0] ) or die "open($_[0]): $!";
+ foreach ( 1 .. $#_ ) {
+ print FH $_[$_] or die "print($_[0]): $!";
}
+ close FH or die "close($_[0]): $!";
+}
+END_NEW
+sub _write {
+ local *FH;
+ open( FH, "> $_[0]" ) or die "open($_[0]): $!";
foreach ( 1 .. $#_ ) {
print FH $_[$_] or die "print($_[0]): $!";
}
close FH or die "close($_[0]): $!";
}
+END_OLD
# _version is for processing module versions (eg, 1.03_05) not
# Perl versions (eg, 5.8.1).
1;
-# Copyright 2008 - 2009 Adam Kennedy.
+# Copyright 2008 - 2010 Adam Kennedy.
projects / libwww-opensearch-perl.git / blobdiff