ExtUtils-Helpers-0.022HEADExtUtils-Helpers-0.022master

1 files changed, 97 insertions, 0 deletions

diff --git a/lib/ExtUtils/Helpers/Unix.pm b/lib/ExtUtils/Helpers/Unix.pm
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+++ b/lib/ExtUtils/Helpers/Unix.pm
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+package ExtUtils::Helpers::Unix;
+$ExtUtils::Helpers::Unix::VERSION = '0.022';
+use strict;
+use warnings FATAL => 'all';
+
+use Exporter 5.57 'import';
+our @EXPORT = qw/make_executable split_like_shell detildefy/;
+
+use Carp qw/croak/;
+use Config;
+use Text::ParseWords 3.24 qw/shellwords/;
+
+my $layer = $] >= 5.008001 ? ":raw" : "";
+
+sub make_executable {
+	my $filename = shift;
+	my $current_mode = (stat $filename)[2] + 0;
+	if (-T $filename) {
+		open my $fh, "<$layer", $filename;
+		my @lines = <$fh>;
+		if (@lines and $lines[0] =~ s{ \A \#! \s* (?:/\S+/)? perl \b (.*) \z }{$Config{startperl}$1}xms) {
+			open my $out, ">$layer", "$filename.new" or croak "Couldn't open $filename.new: $!";
+			print $out @lines;
+			close $out;
+			rename $filename, "$filename.bak" or croak "Couldn't rename $filename to $filename.bak";
+			rename "$filename.new", $filename or croak "Couldn't rename $filename.new to $filename";
+			unlink "$filename.bak";
+		}
+	}
+	chmod $current_mode | oct(111), $filename;
+	return;
+}
+
+sub split_like_shell {
+	my ($string) = @_;
+
+	return if not defined $string;
+	$string =~ s/^\s+|\s+$//g;
+	return if not length $string;
+
+	return shellwords($string);
+}
+
+sub detildefy {
+	my $value = shift;
+	# tilde with optional username
+	for ($value) {
+		s{ ^ ~ (?= /|$)}          [ $ENV{HOME} || (getpwuid $>)[7] ]ex or # tilde without user name
+		s{ ^ ~ ([^/]+) (?= /|$) } { (getpwnam $1)[7] || "~$1" }ex;        # tilde with user name
+	}
+	return $value;
+}
+
+1;
+
+# ABSTRACT: Unix specific helper bits
+
+__END__
+
+=pod
+
+=encoding UTF-8
+
+=head1 NAME
+
+ExtUtils::Helpers::Unix - Unix specific helper bits
+
+=head1 VERSION
+
+version 0.022
+
+=for Pod::Coverage make_executable
+split_like_shell
+detildefy
+
+=head1 AUTHORS
+
+=over 4
+
+=item *
+
+Ken Williams <kwilliams@cpan.org>
+
+=item *
+
+Leon Timmermans <leont@cpan.org>
+
+=back
+
+=head1 COPYRIGHT AND LICENSE
+
+This software is copyright (c) 2004 by Ken Williams, Leon Timmermans.
+
+This is free software; you can redistribute it and/or modify it under
+the same terms as the Perl 5 programming language system itself.
+
+=cut