#!/usr/bin/perl -w
# 0-exe-shebang.t -- check EXE_FILES use #!perl for interpreter
# Copyright 2010, 2011 Kevin Ryde
# 0-exe-shebang.t is shared by several distributions.
#
# 0-exe-shebang.t is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# 0-exe-shebang.t is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this file. If not, see <http://www.gnu.org/licenses/>.
require 5;
use strict;
Test::ExeFilesShebang->Test_More(verbose => 1);
exit 0;
package Test::ExeFilesShebang;
use strict;
sub Test_More {
my ($class, %options) = @_;
require Test::More;
Test::More::plan (tests => 1);
Test::More::ok ($class->check (diag => \&Test::More::diag,
%options));
1;
}
sub check {
my ($class, %options) = @_;
my $diag = $options{'diag'};
if (! -e 'Makefile.PL') {
&$diag ('skip, no Makefile.PL so not ExtUtils::MakeMaker');
return 1;
}
if (! open FH, '<Makefile') {
&$diag ('Oops, cannot open Makefile');
return 0;
}
my $makefile = do { local $/ = undef; <FH> }; # slurp
if (! close FH) {
&$diag ("Oops, error closing Makefile");
return 0;
}
# print $makefile;
# if there's no EXE_FILES option used in the Makefile.PL then there's no
# EXE_FILES variable setting line in the Makefile
#
if (! ($makefile =~ /^EXE_FILES = (.*)/m)) {
&$diag ('No EXE_FILES in Makefile');
return 1;
}
my @exe_files = split / /, $1;
if ($options{'verbose'}) {
&$diag ("EXE_FILES is ".join(' ',@exe_files));
}
my $good = 1;
foreach (@exe_files) {
my $filename = $_;
unless (open FH, "<$filename") {
&$diag ("Oops, cannot open $filename: $!");
$good = 0;
}
my $line = <FH>;
if (! close FH) {
&$diag ("Oops, error closing $filename");
$good = 0;
}
if ($options{'verbose'}) {
&$diag ("$filename line: $line");
}
if (! defined $line) {
&$diag ("$filename: no shebang line");
} elsif ($line =~ /#![ \t]*[^ \t]+perl/) {
&$diag ("$filename: Shebang best as #!perl to let MakeMaker put real location\n $line");
$good = 0;
}
}
return $good;
}