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=for developers
If you're a developer, Makefile.PL will pack `cpanm` from
script/cpanm.PL and then copy that file to `bin/cpanm`.
You can pretend to be an author by running it with:
perl Makefile.PL --author
You should install local::lib, Parse::CPAN::Meta, Module::Metadata,
App::FatPacker and HTTP::Tiny before doing so.
Do not commit the changes to `cpanm` standalone executable. We only
commit changes to this file whenever we tag a new CPAN release.
my $author = ((grep{ $_ eq '--author' } @ARGV) or -d '.git' && `git remote -v` =~ /git\@github/);
print STDERR "Running as an author mode!\n" if $author;
# Author: perl Makefile.PL packs 'script/cpanm.PL' -> 'cpanm'
if ($author) {
shift @ARGV;
system $^X, "script/build.PL" and die $?;
# perl Makefile.PL (from git repo) copies 'cpanm' -> 'bin/cpanm'
if (-e 'cpanm') {
print STDERR "Generating bin/cpanm from cpanm\n";
open my $in, "<cpanm" or die $!;
open my $out, ">bin/cpanm" or die $!;
while (<$in>) {
s|^#!/usr/bin/env perl|#!perl|; # so MakeMaker can fix it
print $out $_
use ExtUtils::MakeMaker;
NAME => 'App::cpanminus',
VERSION_FROM => "lib/App/",
ABSTRACT => 'Get, unpack, build and install modules from CPAN.',
'Module::Build' => 0.36,
'ExtUtils::MakeMaker' => 6.31,
'ExtUtils::Install' => 1.46,
LICENSE => 'perl',
EXE_FILES => [ 'bin/cpanm' ],
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