scancpan: a new script
which creates Perl/CPAN package files [Peter: strip trailing spaces] Signed-off-by: Francois Perrad <francois.perrad@gadz.org> Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Francois Perrad
Peter Korsgaard
parent
d8fab8c5ee
commit
d5e794bc42
741
support/scripts/scancpan
Executable file
741
support/scripts/scancpan
Executable file
@ -0,0 +1,741 @@
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#!/usr/bin/env perl
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# This chunk of stuff was generated by App::FatPacker. To find the original
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# file's code, look for the end of this BEGIN block or the string 'FATPACK'
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BEGIN {
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my %fatpacked;
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$fatpacked{"MetaCPAN/API/Tiny.pm"} = <<'METACPAN_API_TINY';
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package MetaCPAN::API::Tiny;
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{
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$MetaCPAN::API::Tiny::VERSION = '1.131730';
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}
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use strict;
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use warnings;
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# ABSTRACT: A Tiny API client for MetaCPAN
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use Carp;
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use JSON::PP 'encode_json', 'decode_json';
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use HTTP::Tiny;
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sub new {
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my ($class, @args) = @_;
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$#_ % 2 == 0
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or croak 'Arguments must be provided as name/value pairs';
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my %params = @args;
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die 'ua_args must be an array reference'
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if $params{ua_args} && ref($params{ua_args}) ne 'ARRAY';
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my $self = +{
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base_url => $params{base_url} || 'http://api.metacpan.org/v0',
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ua => $params{ua} || HTTP::Tiny->new(
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$params{ua_args}
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? @{$params{ua_args}}
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: (agent => 'MetaCPAN::API::Tiny/'
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. ($MetaCPAN::API::VERSION || 'xx'))),
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};
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return bless($self, $class);
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}
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sub _build_extra_params {
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my $self = shift;
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@_ % 2 == 0
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or croak 'Incorrect number of params, must be key/value';
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my %extra = @_;
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my $ua = $self->{ua};
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foreach my $key (keys %extra)
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{
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# The implementation in HTTP::Tiny uses + instead of %20, fix that
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$extra{$key} = $ua->_uri_escape($extra{$key});
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$extra{$key} =~ s/\+/%20/g;
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}
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my $params = join '&', map { "$_=" . $extra{$_} } sort keys %extra;
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return $params;
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}
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# /source/{author}/{release}/{path}
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sub source {
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my $self = shift;
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my %opts = @_ ? @_ : ();
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my $url = '';
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my $error = "Provide 'author' and 'release' and 'path'";
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%opts or croak $error;
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if (
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defined ( my $author = $opts{'author'} ) &&
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defined ( my $release = $opts{'release'} ) &&
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defined ( my $path = $opts{'path'} )
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) {
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$url = "source/$author/$release/$path";
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} else {
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croak $error;
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}
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$url = $self->{base_url} . "/$url";
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my $result = $self->{ua}->get($url);
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$result->{'success'}
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or croak "Failed to fetch '$url': " . $result->{'reason'};
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return $result->{'content'};
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}
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# /release/{distribution}
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# /release/{author}/{release}
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sub release {
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my $self = shift;
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my %opts = @_ ? @_ : ();
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my $url = '';
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my $error = "Either provide 'distribution', or 'author' and 'release', " .
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"or 'search'";
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%opts or croak $error;
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my %extra_opts = ();
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if ( defined ( my $dist = $opts{'distribution'} ) ) {
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$url = "release/$dist";
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} elsif (
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defined ( my $author = $opts{'author'} ) &&
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defined ( my $release = $opts{'release'} )
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) {
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$url = "release/$author/$release";
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} elsif ( defined ( my $search_opts = $opts{'search'} ) ) {
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ref $search_opts && ref $search_opts eq 'HASH'
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or croak $error;
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%extra_opts = %{$search_opts};
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$url = 'release/_search';
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} else {
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croak $error;
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}
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return $self->fetch( $url, %extra_opts );
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}
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# /pod/{module}
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# /pod/{author}/{release}/{path}
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sub pod {
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my $self = shift;
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my %opts = @_ ? @_ : ();
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my $url = '';
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my $error = "Either provide 'module' or 'author and 'release' and 'path'";
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%opts or croak $error;
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if ( defined ( my $module = $opts{'module'} ) ) {
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$url = "pod/$module";
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} elsif (
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defined ( my $author = $opts{'author'} ) &&
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defined ( my $release = $opts{'release'} ) &&
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defined ( my $path = $opts{'path'} )
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) {
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$url = "pod/$author/$release/$path";
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} else {
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croak $error;
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}
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# check content-type
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my %extra = ();
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if ( defined ( my $type = $opts{'content-type'} ) ) {
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$type =~ m{^ text/ (?: html|plain|x-pod|x-markdown ) $}x
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or croak 'Incorrect content-type provided';
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$extra{headers}{'content-type'} = $type;
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}
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$url = $self->{base_url}. "/$url";
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my $result = $self->{ua}->get( $url, \%extra );
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$result->{'success'}
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or croak "Failed to fetch '$url': " . $result->{'reason'};
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return $result->{'content'};
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}
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# /module/{module}
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sub module {
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my $self = shift;
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my $name = shift;
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$name or croak 'Please provide a module name';
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return $self->fetch("module/$name");
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}
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# file() is a synonym of module
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sub file { goto &module }
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# /author/{author}
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sub author {
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my $self = shift;
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my ( $pause_id, $url, %extra_opts );
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if ( @_ == 1 ) {
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$url = 'author/' . shift;
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} elsif ( @_ == 2 ) {
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my %opts = @_;
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if ( defined $opts{'pauseid'} ) {
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$url = "author/" . $opts{'pauseid'};
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} elsif ( defined $opts{'search'} ) {
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my $search_opts = $opts{'search'};
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ref $search_opts && ref $search_opts eq 'HASH'
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or croak "'search' key must be hashref";
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%extra_opts = %{$search_opts};
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$url = 'author/_search';
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} else {
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croak 'Unknown option given';
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}
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} else {
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croak 'Please provide an author PAUSEID or a "search"';
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}
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return $self->fetch( $url, %extra_opts );
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}
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sub fetch {
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my $self = shift;
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my $url = shift;
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my $extra = $self->_build_extra_params(@_);
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my $base = $self->{base_url};
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my $req_url = $extra ? "$base/$url?$extra" : "$base/$url";
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my $result = $self->{ua}->get($req_url);
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return $self->_decode_result( $result, $req_url );
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}
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sub post {
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my $self = shift;
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my $url = shift;
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my $query = shift;
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my $base = $self->{base_url};
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defined $url
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or croak 'First argument of URL must be provided';
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ref $query and ref $query eq 'HASH'
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or croak 'Second argument of query hashref must be provided';
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my $query_json = encode_json( $query );
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my $result = $self->{ua}->request(
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'POST',
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"$base/$url",
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{
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headers => { 'Content-Type' => 'application/json' },
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content => $query_json,
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}
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);
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return $self->_decode_result( $result, $url, $query_json );
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}
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sub _decode_result {
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my $self = shift;
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my ( $result, $url, $original ) = @_;
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my $decoded_result;
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ref $result and ref $result eq 'HASH'
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or croak 'First argument must be hashref';
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defined $url
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or croak 'Second argument of a URL must be provided';
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if ( defined ( my $success = $result->{'success'} ) ) {
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my $reason = $result->{'reason'} || '';
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$reason .= ( defined $original ? " (request: $original)" : '' );
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$success or croak "Failed to fetch '$url': $reason";
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} else {
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croak 'Missing success in return value';
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}
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defined ( my $content = $result->{'content'} )
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or croak 'Missing content in return value';
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eval { $decoded_result = decode_json $content; 1 }
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or do { croak "Couldn't decode '$content': $@" };
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return $decoded_result;
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}
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1;
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__END__
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=pod
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=head1 NAME
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MetaCPAN::API::Tiny - A Tiny API client for MetaCPAN
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=head1 VERSION
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version 1.131730
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=head1 DESCRIPTION
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This is the Tiny version of L<MetaCPAN::API>. It implements a compatible API
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with a few notable exceptions:
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=over 4
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=item Attributes are direct hash access
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The attributes defined using Mo(o|u)se are now accessed via the blessed hash
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directly. There are no accessors defined to access this elements.
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=item Exception handling
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Instead of using Try::Tiny, raw evals are used. This could potentially cause
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issues, so just be aware.
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=item Testing
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Test::Fatal was replaced with an eval implementation of exception().
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Test::TinyMocker usage is retained, but may be absorbed since it is pure perl
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=back
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=head1 CLASS_METHODS
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=head2 new
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new is the constructor for MetaCPAN::API::Tiny. In the non-tiny version of this
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module, this is provided via Any::Moose built from the attributes defined. In
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the tiny version, we define our own constructor. It takes the same arguments
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and provides similar checks to MetaCPAN::API with regards to arguments passed.
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=head1 PUBLIC_METHODS
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=head2 source
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my $source = $mcpan->source(
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author => 'DOY',
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release => 'Moose-2.0201',
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path => 'lib/Moose.pm',
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);
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Searches MetaCPAN for a module or a specific release and returns the plain source.
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=head2 release
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my $result = $mcpan->release( distribution => 'Moose' );
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# or
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my $result = $mcpan->release( author => 'DOY', release => 'Moose-2.0001' );
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Searches MetaCPAN for a dist.
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You can do complex searches using 'search' parameter:
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# example lifted from MetaCPAN docs
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my $result = $mcpan->release(
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search => {
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author => "OALDERS AND ",
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filter => "status:latest",
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fields => "name",
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size => 1,
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},
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);
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=head2 pod
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my $result = $mcpan->pod( module => 'Moose' );
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# or
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my $result = $mcpan->pod(
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author => 'DOY',
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release => 'Moose-2.0201',
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path => 'lib/Moose.pm',
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);
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Searches MetaCPAN for a module or a specific release and returns the POD.
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=head2 module
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my $result = $mcpan->module('MetaCPAN::API');
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Searches MetaCPAN and returns a module's ".pm" file.
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=head2 file
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A synonym of L</module>
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=head2 author
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my $result1 = $mcpan->author('XSAWYERX');
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my $result2 = $mcpan->author( pauseid => 'XSAWYERX' );
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Searches MetaCPAN for a specific author.
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You can do complex searches using 'search' parameter:
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# example lifted from MetaCPAN docs
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my $result = $mcpan->author(
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search => {
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q => 'profile.name:twitter',
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size => 1,
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},
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);
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=head2 fetch
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my $result = $mcpan->fetch('/release/distribution/Moose');
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# with parameters
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my $more = $mcpan->fetch(
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'/release/distribution/Moose',
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param => 'value',
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);
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This is a helper method for API implementations. It fetches a path from MetaCPAN, decodes the JSON from the content variable and returns it.
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You don't really need to use it, but you can in case you want to write your own extension implementation to MetaCPAN::API.
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It accepts an additional hash as "GET" parameters.
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=head2 post
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# /release&content={"query":{"match_all":{}},"filter":{"prefix":{"archive":"Cache-Cache-1.06"}}}
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my $result = $mcpan->post(
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'release',
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{
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query => { match_all => {} },
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filter => { prefix => { archive => 'Cache-Cache-1.06' } },
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},
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);
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The POST equivalent of the "fetch()" method. It gets the path and JSON request.
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=head1 THANKS
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Overall the tests and code were ripped directly from MetaCPAN::API and
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tiny-fied. A big thanks to Sawyer X for writing the original module.
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=head1 AUTHOR
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Nicholas R. Perez <nperez@cpan.org>
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=head1 COPYRIGHT AND LICENSE
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||||
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||||
This software is copyright (c) 2013 by Nicholas R. Perez <nperez@cpan.org>.
|
||||
|
||||
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
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||||
METACPAN_API_TINY
|
||||
|
||||
s/^ //mg for values %fatpacked;
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||||
|
||||
unshift @INC, sub {
|
||||
if (my $fat = $fatpacked{$_[1]}) {
|
||||
if ($] < 5.008) {
|
||||
return sub {
|
||||
return 0 unless length $fat;
|
||||
$fat =~ s/^([^\n]*\n?)//;
|
||||
$_ = $1;
|
||||
return 1;
|
||||
};
|
||||
}
|
||||
open my $fh, '<', \$fat
|
||||
or die "FatPacker error loading $_[1] (could be a perl installation issue?)";
|
||||
return $fh;
|
||||
}
|
||||
return
|
||||
};
|
||||
|
||||
} # END OF FATPACK CODE
|
||||
|
||||
|
||||
use 5.018; # same major version as target perl
|
||||
use strict;
|
||||
use warnings;
|
||||
use Fatal qw(open close);
|
||||
|
||||
use Getopt::Long;
|
||||
use Pod::Usage;
|
||||
use File::Basename;
|
||||
use Module::CoreList;
|
||||
use MetaCPAN::API::Tiny;
|
||||
|
||||
my ($help, $man, $quiet, $force, $recommend);
|
||||
GetOptions( 'help|?' => \$help,
|
||||
'man' => \$man,
|
||||
'quiet|q' => \$quiet,
|
||||
'force|f' => \$force,
|
||||
'recommend' => \$recommend
|
||||
) or pod2usage(-exitval => 1);
|
||||
pod2usage(-exitval => 0) if $help;
|
||||
pod2usage(-exitval => 0, -verbose => 2) if $man;
|
||||
pod2usage(-exitval => 1) if scalar @ARGV == 0;
|
||||
|
||||
my %dist; # name -> metacpan data
|
||||
my %need_target; # name -> 1 if target package is needed
|
||||
my %need_host; # name -> 1 if host package is needed
|
||||
my %deps_build; # name -> list of host dependencies
|
||||
my %deps_runtime; # name -> list of target dependencies
|
||||
my $mcpan = MetaCPAN::API::Tiny->new();
|
||||
|
||||
sub fetch {
|
||||
my ($name, $need_target, $need_host) = @_;
|
||||
$need_target{$name} = $need_target if $need_target;
|
||||
$need_host{$name} = $need_host if $need_host;
|
||||
unless ($dist{$name}) {
|
||||
say qq{fetch ${name}} unless $quiet;
|
||||
my $result = $mcpan->release( distribution => $name );
|
||||
$dist{$name} = $result;
|
||||
my @deps_build = ();
|
||||
my @deps_runtime = ();
|
||||
my $mb;
|
||||
foreach my $dep (@{$result->{dependency}}) {
|
||||
my $modname = ${$dep}{module};
|
||||
$mb = 1 if $modname eq q{Module::Build};
|
||||
# Module::Build has a special treatment, because it is a core module,
|
||||
# but some module require a very recent version of it
|
||||
next if $modname eq q{perl};
|
||||
next if $modname =~ m|^Alien|;
|
||||
next if $modname =~ m|^Win32|;
|
||||
next if Module::CoreList::first_release( $modname );
|
||||
# we could use the host Module::CoreList data, because host perl and
|
||||
# target perl have the same major version
|
||||
next if ${$dep}{phase} eq q{develop};
|
||||
next if ${$dep}{phase} eq q{test};
|
||||
next if !$recommend && ${$dep}{relationship} ne q{requires};
|
||||
my $distname = $mcpan->module( $modname )->{distribution};
|
||||
if (${$dep}{phase} eq q{runtime}) {
|
||||
push @deps_runtime, $distname;
|
||||
}
|
||||
else { # configure, build
|
||||
push @deps_build, $distname;
|
||||
}
|
||||
}
|
||||
unshift @deps_build, q{Module-Build} if $mb;
|
||||
$deps_build{$name} = \@deps_build;
|
||||
$deps_runtime{$name} = \@deps_runtime;
|
||||
}
|
||||
foreach my $distname (@{$deps_build{$name}}) {
|
||||
fetch( $distname, 0, 1 );
|
||||
}
|
||||
foreach my $distname (@{$deps_runtime{$name}}) {
|
||||
fetch( $distname, $need_target, $need_host );
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
foreach my $distname (@ARGV) {
|
||||
# Command-line's distributions are needed for target, not host
|
||||
fetch( $distname, 1, 0 );
|
||||
}
|
||||
say scalar keys %dist, q{ packages fetched.} unless $quiet;
|
||||
|
||||
# Buildroot package name: lowercase
|
||||
sub fsname {
|
||||
my $name = shift;
|
||||
return q{perl-} . lc $name;
|
||||
}
|
||||
|
||||
# Buildroot variable name: uppercase
|
||||
sub brname {
|
||||
my $name = shift;
|
||||
$name =~ s|-|_|g;
|
||||
return uc $name;
|
||||
}
|
||||
|
||||
while (my ($distname, $dist) = each %dist) {
|
||||
my $fsname = fsname( $distname );
|
||||
my $dirname = q{package/} . $fsname;
|
||||
my $cfgname = $dirname . q{/Config.in};
|
||||
my $mkname = $dirname . q{/} . $fsname . q{.mk};
|
||||
my $brname = brname( $fsname );
|
||||
mkdir $dirname unless -d $dirname;
|
||||
if ($need_target{$distname} && ($force || !-f $cfgname)) {
|
||||
my $abstract = $dist->{abstract};
|
||||
say qq{write ${cfgname}} unless $quiet;
|
||||
open my $fh, q{>}, $cfgname;
|
||||
say {$fh} qq{config BR2_PACKAGE_${brname}};
|
||||
say {$fh} qq{\tbool "${fsname}"};
|
||||
foreach my $dep (@{$deps_runtime{$distname}}) {
|
||||
my $brdep = brname( fsname( $dep ) );
|
||||
say {$fh} qq{\tselect BR2_PACKAGE_${brdep}};
|
||||
}
|
||||
say {$fh} qq{\thelp} if $abstract;
|
||||
say {$fh} qq{\t ${abstract}} if $abstract;
|
||||
close $fh;
|
||||
}
|
||||
if ($force || !-f $mkname) {
|
||||
my $version = $dist->{version};
|
||||
my($path) = $dist->{download_url} =~ m|^[^:/?#]+://[^/?#]*([^?#]*)|;
|
||||
# this URL contains only the scheme, auth and path parts (but no query and fragment parts)
|
||||
# the scheme is not used, because the job is done by the BR download infrastructure
|
||||
# the auth part is not used, because we use $(BR2_CPAN_MIRROR)
|
||||
my($filename, $directories, $suffix) = fileparse( $path, q{tar.gz}, q{tgz} );
|
||||
my $dependencies = join q{ }, map( { q{host-} . fsname( $_ ); } @{$deps_build{$distname}} ),
|
||||
map( { fsname( $_ ); } @{$deps_runtime{$distname}} );
|
||||
my $host_dependencies = join q{ }, map { q{host-} . fsname( $_ ); } @{$deps_build{$distname}},
|
||||
@{$deps_runtime{$distname}};
|
||||
my $license = ref $dist->{license} eq 'ARRAY'
|
||||
? join q{ or }, @{$dist->{license}}
|
||||
: $dist->{license};
|
||||
$license = q{Artistic or GPLv1+} if $license eq q{perl_5};
|
||||
say qq{write ${mkname}} unless $quiet;
|
||||
open my $fh, q{>}, $mkname;
|
||||
say {$fh} qq{################################################################################};
|
||||
say {$fh} qq{#};
|
||||
say {$fh} qq{# ${fsname}};
|
||||
say {$fh} qq{#};
|
||||
say {$fh} qq{################################################################################};
|
||||
say {$fh} qq{};
|
||||
say {$fh} qq{${brname}_VERSION = ${version}};
|
||||
say {$fh} qq{${brname}_SOURCE = ${distname}-\$(${brname}_VERSION).${suffix}};
|
||||
say {$fh} qq{${brname}_SITE = \$(BR2_CPAN_MIRROR)${directories}};
|
||||
say {$fh} qq{${brname}_DEPENDENCIES = perl ${dependencies}} if $need_target{$distname};
|
||||
say {$fh} qq{HOST_${brname}_DEPENDENCIES = ${host_dependencies}} if $need_host{$distname};
|
||||
say {$fh} qq{${brname}_LICENSE = ${license}} if $license && $license ne q{unknown};
|
||||
say {$fh} qq{};
|
||||
say {$fh} qq{\$(eval \$(perl-package))} if $need_target{$distname};
|
||||
say {$fh} qq{\$(eval \$(host-perl-package))} if $need_host{$distname};
|
||||
close $fh;
|
||||
}
|
||||
}
|
||||
|
||||
my %pkg;
|
||||
my $cfgname = q{package/Config.in};
|
||||
if (-f $cfgname) {
|
||||
open my $fh, q{<}, $cfgname;
|
||||
while (<$fh>) {
|
||||
chomp;
|
||||
$pkg{$_} = 1 if m|package/perl-|;
|
||||
}
|
||||
close $fh;
|
||||
}
|
||||
|
||||
foreach my $distname (keys %need_target) {
|
||||
my $fsname = fsname( $distname );
|
||||
$pkg{qq{source "package/${fsname}/Config.in"}} = 1;
|
||||
}
|
||||
|
||||
say qq{${cfgname} must contain the following lines:};
|
||||
say join qq{\n}, sort keys %pkg;
|
||||
|
||||
__END__
|
||||
|
||||
=head1 NAME
|
||||
|
||||
support/scripts/scancpan Try-Tiny Moo
|
||||
|
||||
=head1 SYNOPSIS
|
||||
|
||||
curl -kL http://install.perlbrew.pl | bash
|
||||
|
||||
perlbrew install perl-5.18.2
|
||||
|
||||
supports/scripts/scancpan [options] [distname ...]
|
||||
|
||||
Options:
|
||||
-help
|
||||
-man
|
||||
-quiet
|
||||
-force
|
||||
-recommend
|
||||
|
||||
=head1 OPTIONS
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<-help>
|
||||
|
||||
Prints a brief help message and exits.
|
||||
|
||||
=item B<-man>
|
||||
|
||||
Prints the manual page and exits.
|
||||
|
||||
=item B<-quiet>
|
||||
|
||||
Executes without output
|
||||
|
||||
=item B<-force>
|
||||
|
||||
Forces the overwriting of existing files.
|
||||
|
||||
=item B<-recommend>
|
||||
|
||||
Adds I<recommended> dependencies.
|
||||
|
||||
=back
|
||||
|
||||
=head1 DESCRIPTION
|
||||
|
||||
This script creates templates of the Buildroot package files for all the
|
||||
Perl/CPAN distributions required by the specified distnames. The
|
||||
dependencies and metadata are fetched from https://metacpan.org/.
|
||||
|
||||
After running this script, it is necessary to check the generated files.
|
||||
You have to manually enable the host- version if you need it. You have to
|
||||
manually add the license files (PERL_FOO_LICENSE_FILES variable). For
|
||||
distributions that link against a target library, you have to add the
|
||||
buildroot package name for that library to the DEPENDENCIES variable.
|
||||
|
||||
See the Buildroot documentation for details on the usage of the Perl
|
||||
infrastructure.
|
||||
|
||||
The major version of the host perl must be aligned on the target one,
|
||||
in order to work with the right CoreList data.
|
||||
|
||||
=head1 LICENSE
|
||||
|
||||
Copyright (C) 2013-2014 by Francois Perrad <francois.perrad@gadz.org>
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
This script is a part of Buildroot.
|
||||
|
||||
This script requires the module C<MetaCPAN::API::Tiny> (version 1.131730)
|
||||
which was included at the beginning of this file by the tool C<fatpack>.
|
||||
|
||||
See L<http://search.cpan.org/~nperez/MetaCPAN-API-Tiny-1.131730/>.
|
||||
|
||||
See L<http://search.cpan.org/search?query=App-FatPacker&mode=dist>.
|
||||
|
||||
These both libraries are free software and may be distributed under the same
|
||||
terms as perl itself.
|
||||
|
||||
And perl may be distributed under the terms of Artistic v1 or GPL v1 license.
|
||||
|
||||
=cut
|
||||
Loading…
Reference in New Issue
Block a user