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#! perl
use strict;
use warnings;
use File::Spec;
my ($p6bin, $dest, $post, @files) = @ARGV;
die "Usage: $0 <perl6_binary> <destination_path> <source_files>"
unless $p6bin && $dest;
for my $filename (@files) {
my $basename = (File::Spec->splitpath($filename))[2];
copy_file($filename, $basename);
if ($^O eq 'MSWin32') {
create_windows_bat("$basename.bat");
copy_file($filename, "$basename-$post");
create_windows_bat("$basename-$post.bat");
}
else {
create_shell_wrapper($basename);
}
}
sub copy_file {
my ($infile, $outfile) = @_;
open my $IN, '<', $infile
or die "Cannot read file '$infile' for installing it: $!";
open my $OUT, '>', "$dest/$outfile"
or die "Cannot write file '$dest/$outfile' for installing it: $!";
while (<$IN>) {
if ($. == 1 && /^#!/) {
# https://github.com/rakudo/star/issues/42
# on Mac OS X, the interpreter must be a binary, so perl6-m
# isn't a good choice; go with /usr/bin/env instead
print { $OUT } "#!/usr/bin/env $p6bin\n";
}
else {
print { $OUT } $_;
}
}
close $OUT or die "Error while closing file '$dest/$outfile': $!";
close $IN;
chmod 0755, "$dest/$outfile";
}
sub create_shell_wrapper {
my ($basename) = @_;
open my $ALIAS, '>', "$dest/$basename-$post"
or die "Cannot write file '$dest/$basename-$post' for installing it: $!";
printf { $ALIAS } <<'EOA', $p6bin, $dest, $basename;
#!/bin/sh
exec %s %s/%s "$@"
EOA
close $ALIAS or die "Error while closing file '$dest/$basename-$post': $!";
chmod 0755, "$dest/$basename-$post";
}
sub create_windows_bat {
my ($basename) = @_;
open my $ALIAS, '>', "$dest/$basename"
or die "Cannot write file '$dest/$basename' for installing it: $!";
printf { $ALIAS } <<'EOA', $p6bin, $p6bin;
@rem = '--*-Perl-*--
@echo off
if "%%OS%%" == "Windows_NT" goto WinNT
%s "%%~dpn0" %%1 %%2 %%3 %%4 %%5 %%6 %%7 %%8 %%9
goto endofperl
:WinNT
%s "%%~dpn0" %%*
if NOT "%%COMSPEC%%" == "%%SystemRoot%%\system32\cmd.exe" goto endofperl
if %%errorlevel%% == 9009 echo You do not have Perl in your PATH.
if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul
goto endofperl
@rem ';
__END__
:endofperl
EOA
close $ALIAS or die "Error while closing file '$dest/$basename': $!";
}
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