diff --git a/author/cpanm/cpanfile.snapshot b/author/cpanm/cpanfile.snapshot
index 35b682394..e2111e074 100644
--- a/author/cpanm/cpanfile.snapshot
+++ b/author/cpanm/cpanfile.snapshot
@@ -124,10 +124,10 @@ DISTRIBUTIONS
       strict 0
       version 0.88
       warnings 0
-  CPAN-Meta-YAML-0.018
-    pathname: D/DA/DAGOLDEN/CPAN-Meta-YAML-0.018.tar.gz
+  CPAN-Meta-YAML-0.019
+    pathname: E/ET/ETHER/CPAN-Meta-YAML-0.019.tar.gz
     provides:
-      CPAN::Meta::YAML 0.018
+      CPAN::Meta::YAML 0.019
     requirements:
       B 0
       Carp 0
diff --git a/bin/cpanm b/bin/cpanm
index 4074d1917..49b869459 100755
--- a/bin/cpanm
+++ b/bin/cpanm
@@ -87,11 +87,11 @@ $fatpacked{"CPAN/Meta/Validator.pm"} = '#line '.(1+__LINE__).' "'.__FILE__."\"\n
 CPAN_META_VALIDATOR
 
 $fatpacked{"CPAN/Meta/YAML.pm"} = '#line '.(1+__LINE__).' "'.__FILE__."\"\n".<<'CPAN_META_YAML';
-  use utf8;use strict;use warnings;package CPAN::Meta::YAML;$CPAN::Meta::YAML::VERSION='0.018';;BEGIN {if ($] < 5.008 && $] >= 5.006){eval qq| require JSON::PP::Compat5006 |;if ($@){require Carp;Carp::croak($@)}*utf8::valid=*JSON::PP::Compat5006::_is_valid_utf8}elsif ($]==5.008){require Encode;*utf8::is_utf8=*Encode::is_utf8}}use Exporter;our@ISA=qw{Exporter};our@EXPORT=qw{Load Dump};our@EXPORT_OK=qw{LoadFile DumpFile freeze thaw};sub Dump {return CPAN::Meta::YAML->new(@_)->_dump_string}sub Load {my$self=CPAN::Meta::YAML->_load_string(@_);if (wantarray){return @$self}else {return$self->[-1]}}BEGIN {*freeze=\&Dump;*thaw=\&Load}sub DumpFile {my$file=shift;return CPAN::Meta::YAML->new(@_)->_dump_file($file)}sub LoadFile {my$file=shift;my$self=CPAN::Meta::YAML->_load_file($file);if (wantarray){return @$self}else {return$self->[-1]}}sub new {my$class=shift;bless [@_ ],$class}sub read_string {my$self=shift;$self->_load_string(@_)}sub write_string {my$self=shift;$self->_dump_string(@_)}sub read {my$self=shift;$self->_load_file(@_)}sub write {my$self=shift;$self->_dump_file(@_)}my@UNPRINTABLE=qw(0 x01 x02 x03 x04 x05 x06 a b t n v f r x0E x0F x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x1A e x1C x1D x1E x1F);my%UNESCAPES=(0=>"\x00",z=>"\x00",N=>"\x85",a=>"\x07",b=>"\x08",t=>"\x09",n=>"\x0a",v=>"\x0b",f=>"\x0c",r=>"\x0d",e=>"\x1b",'\\'=>'\\',);my%QUOTE=map {$_=>1}qw{null true false};my$re_capture_double_quoted=qr/\"([^\\"]*(?:\\.[^\\"]*)*)\"/;my$re_capture_single_quoted=qr/\'([^\']*(?:\'\'[^\']*)*)\'/;my$re_capture_unquoted_key=qr/([^:]+(?::+\S(?:[^:]*|.*?(?=:)))*)(?=\s*\:(?:\s+|$))/;my$re_trailing_comment=qr/(?:\s+\#.*)?/;my$re_key_value_separator=qr/\s*:(?:\s+(?:\#.*)?|$)/;sub _load_file {my$class=ref $_[0]? ref shift : shift;my$file=shift or $class->_error('You did not specify a file name');$class->_error("File '$file' does not exist")unless -e $file;$class->_error("'$file' is a directory, not a file")unless -f _;$class->_error("Insufficient permissions to read '$file'")unless -r _;open(my$fh,"<:unix:encoding(UTF-8)",$file);unless ($fh){$class->_error("Failed to open file '$file': $!")}if (_can_flock()){flock($fh,Fcntl::LOCK_SH())or warn "Couldn't lock '$file' for reading: $!"}my$contents=eval {use warnings FATAL=>'utf8';local $/;<$fh>};if (my$err=$@){$class->_error("Error reading from file '$file': $err")}unless (close$fh){$class->_error("Failed to close file '$file': $!")}$class->_load_string($contents)}sub _load_string {my$class=ref $_[0]? ref shift : shift;my$self=bless [],$class;my$string=$_[0];eval {unless (defined$string){die \"Did not provide a string to load"}if (utf8::is_utf8($string)&&!utf8::valid($string)){die \<<'...'}utf8::upgrade($string);my$bom=pack('U',0xFEFF);$string =~ s/^$bom//;return$self unless length$string;my@lines=grep {!/^\s*(?:\#.*)?\z/}split /(?:\015{1,2}\012|\015|\012)/,$string;@lines and $lines[0]=~ /^\%YAML[: ][\d\.]+.*\z/ and shift@lines;my$in_document=0;while (@lines){if ($lines[0]=~ /^---\s*(?:(.+)\s*)?\z/){shift@lines;if (defined $1 and $1 !~ /^(?:\#.+|\%YAML[: ][\d\.]+)\z/){push @$self,$self->_load_scalar("$1",[undef ],\@lines);next}$in_document=1}if (!@lines or $lines[0]=~ /^(?:---|\.\.\.)/){push @$self,undef;while (@lines and $lines[0]!~ /^---/){shift@lines}$in_document=0}elsif (!$in_document && @$self){die \"CPAN::Meta::YAML failed to classify the line '$lines[0]'"}elsif ($lines[0]=~ /^\s*\-(?:\s|$|-+$)/){my$document=[];push @$self,$document;$self->_load_array($document,[0 ],\@lines)}elsif ($lines[0]=~ /^(\s*)\S/){my$document={};push @$self,$document;$self->_load_hash($document,[length($1)],\@lines)}else {die \"CPAN::Meta::YAML failed to classify the line '$lines[0]'"}}};my$err=$@;if (ref$err eq 'SCALAR'){$self->_error(${$err})}elsif ($err){$self->_error($err)}return$self}sub _unquote_single {my ($self,$string)=@_;return '' unless length$string;$string =~ s/\'\'/\'/g;return$string}sub _unquote_double {my ($self,$string)=@_;return '' unless length$string;$string =~ s/\\"/"/g;$string =~ s{\\([Nnever\\fartz0b]|x([0-9a-fA-F]{2}))}
+  use utf8;use strict;use warnings;package CPAN::Meta::YAML;$CPAN::Meta::YAML::VERSION='0.019';;BEGIN {if ($] < 5.008 && $] >= 5.006){eval qq| require JSON::PP::Compat5006 |;if ($@){require Carp;Carp::croak($@)}*utf8::valid=*JSON::PP::Compat5006::_is_valid_utf8}elsif ($]==5.008){require Encode;*utf8::is_utf8=*Encode::is_utf8}}use Exporter;our@ISA=qw{Exporter};our@EXPORT=qw{Load Dump};our@EXPORT_OK=qw{LoadFile DumpFile freeze thaw};sub Dump {return CPAN::Meta::YAML->new(@_)->_dump_string}sub Load {my$self=CPAN::Meta::YAML->_load_string(@_);if (wantarray){return @$self}else {return$self->[-1]}}BEGIN {*freeze=\&Dump;*thaw=\&Load}sub DumpFile {my$file=shift;return CPAN::Meta::YAML->new(@_)->_dump_file($file)}sub LoadFile {my$file=shift;my$self=CPAN::Meta::YAML->_load_file($file);if (wantarray){return @$self}else {return$self->[-1]}}sub new {my$class=shift;bless [@_ ],$class}sub read_string {my$self=shift;$self->_load_string(@_)}sub write_string {my$self=shift;$self->_dump_string(@_)}sub read {my$self=shift;$self->_load_file(@_)}sub write {my$self=shift;$self->_dump_file(@_)}my@UNPRINTABLE=qw(0 x01 x02 x03 x04 x05 x06 a b t n v f r x0E x0F x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x1A e x1C x1D x1E x1F);my%UNESCAPES=(0=>"\x00",z=>"\x00",N=>"\x85",a=>"\x07",b=>"\x08",t=>"\x09",n=>"\x0a",v=>"\x0b",f=>"\x0c",r=>"\x0d",e=>"\x1b",'\\'=>'\\',);my%QUOTE=map {$_=>1}qw{null Null NULL y Y yes Yes YES n N no No NO true True TRUE false False FALSE on On ON off Off OFF};my$re_capture_double_quoted=qr/\"([^\\"]*(?:\\.[^\\"]*)*)\"/;my$re_capture_single_quoted=qr/\'([^\']*(?:\'\'[^\']*)*)\'/;my$re_capture_unquoted_key=qr/([^:]+(?::+\S(?:[^:]*|.*?(?=:)))*)(?=\s*\:(?:\s+|$))/;my$re_trailing_comment=qr/(?:\s+\#.*)?/;my$re_key_value_separator=qr/\s*:(?:\s+(?:\#.*)?|$)/;sub _load_file {my$class=ref $_[0]? ref shift : shift;my$file=shift or $class->_error('You did not specify a file name');$class->_error("File '$file' does not exist")unless -e $file;$class->_error("'$file' is a directory, not a file")unless -f _;$class->_error("Insufficient permissions to read '$file'")unless -r _;open(my$fh,"<:unix:encoding(UTF-8)",$file);unless ($fh){$class->_error("Failed to open file '$file': $!")}if (_can_flock()){flock($fh,Fcntl::LOCK_SH())or warn "Couldn't lock '$file' for reading: $!"}my$contents=eval {use warnings FATAL=>'utf8';local $/;<$fh>};if (my$err=$@){$class->_error("Error reading from file '$file': $err")}unless (close$fh){$class->_error("Failed to close file '$file': $!")}$class->_load_string($contents)}sub _load_string {my$class=ref $_[0]? ref shift : shift;my$self=bless [],$class;my$string=$_[0];eval {unless (defined$string){die \"Did not provide a string to load"}if (utf8::is_utf8($string)&&!utf8::valid($string)){die \<<'...'}utf8::upgrade($string);my$bom=pack('U',0xFEFF);$string =~ s/^$bom//;return$self unless length$string;my@lines=grep {!/^\s*(?:\#.*)?\z/}split /(?:\015{1,2}\012|\015|\012)/,$string;@lines and $lines[0]=~ /^\%YAML[: ][\d\.]+.*\z/ and shift@lines;my$in_document=0;while (@lines){if ($lines[0]=~ /^---\s*(?:(.+)\s*)?\z/){shift@lines;if (defined $1 and $1 !~ /^(?:\#.+|\%YAML[: ][\d\.]+)\z/){push @$self,$self->_load_scalar("$1",[undef ],\@lines);next}$in_document=1}if (!@lines or $lines[0]=~ /^(?:---|\.\.\.)/){push @$self,undef;while (@lines and $lines[0]!~ /^---/){shift@lines}$in_document=0}elsif (!$in_document && @$self){die \"CPAN::Meta::YAML failed to classify the line '$lines[0]'"}elsif ($lines[0]=~ /^\s*\-(?:\s|$|-+$)/){my$document=[];push @$self,$document;$self->_load_array($document,[0 ],\@lines)}elsif ($lines[0]=~ /^(\s*)\S/){my$document={};push @$self,$document;$self->_load_hash($document,[length($1)],\@lines)}else {die \"CPAN::Meta::YAML failed to classify the line '$lines[0]'"}}};my$err=$@;if (ref$err eq 'SCALAR'){$self->_error(${$err})}elsif ($err){$self->_error($err)}return$self}sub _unquote_single {my ($self,$string)=@_;return '' unless length$string;$string =~ s/\'\'/\'/g;return$string}sub _unquote_double {my ($self,$string)=@_;return '' unless length$string;$string =~ s/\\"/"/g;$string =~ s{\\([Nnever\\fartz0b]|x([0-9a-fA-F]{2}))}
   Read an invalid UTF-8 string (maybe mixed UTF-8 and 8-bit character set).
   Did you decode with lax ":utf8" instead of strict ":encoding(UTF-8)"?
   ...
-           {(length($1)>1)?pack("H2",$2):$UNESCAPES{$1}}gex;return$string}sub _load_scalar {my ($self,$string,$indent,$lines)=@_;$string =~ s/\s*\z//;return undef if$string eq '~';if ($string =~ /^$re_capture_single_quoted$re_trailing_comment\z/){return$self->_unquote_single($1)}if ($string =~ /^$re_capture_double_quoted$re_trailing_comment\z/){return$self->_unquote_double($1)}if ($string =~ /^[\'\"!&]/){die \"CPAN::Meta::YAML does not support a feature in line '$string'"}return {}if$string =~ /^{}(?:\s+\#.*)?\z/;return []if$string =~ /^\[\](?:\s+\#.*)?\z/;if ($string !~ /^[>|]/){die \"CPAN::Meta::YAML found illegal characters in plain scalar: '$string'" if$string =~ /^(?:-(?:\s|$)|[\@\%\`])/ or $string =~ /:(?:\s|$)/;$string =~ s/\s+#.*\z//;return$string}die \"CPAN::Meta::YAML failed to find multi-line scalar content" unless @$lines;$lines->[0]=~ /^(\s*)/;$indent->[-1]=length("$1");if (defined$indent->[-2]and $indent->[-1]<= $indent->[-2]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}my@multiline=();while (@$lines){$lines->[0]=~ /^(\s*)/;last unless length($1)>= $indent->[-1];push@multiline,substr(shift(@$lines),length($1))}my$j=(substr($string,0,1)eq '>')? ' ' : "\n";my$t=(substr($string,1,1)eq '-')? '' : "\n";return join($j,@multiline).$t}sub _load_array {my ($self,$array,$indent,$lines)=@_;while (@$lines){if ($lines->[0]=~ /^(?:---|\.\.\.)/){while (@$lines and $lines->[0]!~ /^---/){shift @$lines}return 1}$lines->[0]=~ /^(\s*)/;if (length($1)< $indent->[-1]){return 1}elsif (length($1)> $indent->[-1]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}if ($lines->[0]=~ /^(\s*\-\s+)[^\'\"]\S*\s*:(?:\s+|$)/){my$indent2=length("$1");$lines->[0]=~ s/-/ /;push @$array,{};$self->_load_hash($array->[-1],[@$indent,$indent2 ],$lines)}elsif ($lines->[0]=~ /^\s*\-\s*\z/){shift @$lines;unless (@$lines){push @$array,undef;return 1}if ($lines->[0]=~ /^(\s*)\-/){my$indent2=length("$1");if ($indent->[-1]==$indent2){push @$array,undef}else {push @$array,[];$self->_load_array($array->[-1],[@$indent,$indent2 ],$lines)}}elsif ($lines->[0]=~ /^(\s*)\S/){push @$array,{};$self->_load_hash($array->[-1],[@$indent,length("$1")],$lines)}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}}elsif ($lines->[0]=~ /^\s*\-(\s*)(.+?)\s*\z/){shift @$lines;push @$array,$self->_load_scalar("$2",[@$indent,undef ],$lines)}elsif (defined$indent->[-2]and $indent->[-1]==$indent->[-2]){return 1}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}}return 1}sub _load_hash {my ($self,$hash,$indent,$lines)=@_;while (@$lines){if ($lines->[0]=~ /^(?:---|\.\.\.)/){while (@$lines and $lines->[0]!~ /^---/){shift @$lines}return 1}$lines->[0]=~ /^(\s*)/;if (length($1)< $indent->[-1]){return 1}elsif (length($1)> $indent->[-1]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}my$key;if ($lines->[0]=~ s/^\s*$re_capture_single_quoted$re_key_value_separator//){$key=$self->_unquote_single($1)}elsif ($lines->[0]=~ s/^\s*$re_capture_double_quoted$re_key_value_separator//){$key=$self->_unquote_double($1)}elsif ($lines->[0]=~ s/^\s*$re_capture_unquoted_key$re_key_value_separator//){$key=$1;$key =~ s/\s+$//}elsif ($lines->[0]=~ /^\s*\?/){die \"CPAN::Meta::YAML does not support a feature in line '$lines->[0]'"}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}if (exists$hash->{$key}){warn "CPAN::Meta::YAML found a duplicate key '$key' in line '$lines->[0]'"}if (length$lines->[0]){$hash->{$key}=$self->_load_scalar(shift(@$lines),[@$indent,undef ],$lines)}else {shift @$lines;unless (@$lines){$hash->{$key}=undef;return 1}if ($lines->[0]=~ /^(\s*)-/){$hash->{$key}=[];$self->_load_array($hash->{$key},[@$indent,length($1)],$lines)}elsif ($lines->[0]=~ /^(\s*)./){my$indent2=length("$1");if ($indent->[-1]>= $indent2){$hash->{$key}=undef}else {$hash->{$key}={};$self->_load_hash($hash->{$key},[@$indent,length($1)],$lines)}}}}return 1}sub _dump_file {my$self=shift;require Fcntl;my$file=shift or $self->_error('You did not specify a file name');my$fh;if (_can_flock()){my$flags=Fcntl::O_WRONLY()|Fcntl::O_CREAT();sysopen($fh,$file,$flags);unless ($fh){$self->_error("Failed to open file '$file' for writing: $!")}binmode($fh,":raw:encoding(UTF-8)");flock($fh,Fcntl::LOCK_EX())or warn "Couldn't lock '$file' for reading: $!";truncate$fh,0;seek$fh,0,0}else {open$fh,">:unix:encoding(UTF-8)",$file}print {$fh}$self->_dump_string;unless (close$fh){$self->_error("Failed to close file '$file': $!")}return 1}sub _dump_string {my$self=shift;return '' unless ref$self && @$self;my$indent=0;my@lines=();eval {for my$cursor (@$self){push@lines,'---';if (!defined$cursor){}elsif (!ref$cursor){$lines[-1].= ' ' .$self->_dump_scalar($cursor)}elsif (ref$cursor eq 'ARRAY'){unless (@$cursor){$lines[-1].= ' []';next}push@lines,$self->_dump_array($cursor,$indent,{})}elsif (ref$cursor eq 'HASH'){unless (%$cursor){$lines[-1].= ' {}';next}push@lines,$self->_dump_hash($cursor,$indent,{})}else {die \("Cannot serialize " .ref($cursor))}}};if (ref $@ eq 'SCALAR'){$self->_error(${$@})}elsif ($@){$self->_error($@)}join '',map {"$_\n"}@lines}sub _has_internal_string_value {my$value=shift;my$b_obj=B::svref_2object(\$value);return$b_obj->FLAGS & B::SVf_POK()}sub _dump_scalar {my$string=$_[1];my$is_key=$_[2];my$has_string_flag=_has_internal_string_value($string);return '~' unless defined$string;return "''" unless length$string;if (Scalar::Util::looks_like_number($string)){if ($is_key || $has_string_flag){return qq['$string']}else {return$string}}if ($string =~ /[\x00-\x09\x0b-\x0d\x0e-\x1f\x7f-\x9f\'\n]/){$string =~ s/\\/\\\\/g;$string =~ s/"/\\"/g;$string =~ s/\n/\\n/g;$string =~ s/[\x85]/\\N/g;$string =~ s/([\x00-\x1f])/\\$UNPRINTABLE[ord($1)]/g;$string =~ s/([\x7f-\x9f])/'\x' . sprintf("%X",ord($1))/ge;return qq|"$string"|}if ($string =~ /(?:^[~!@#%&*|>?:,'"`{}\[\]]|^-+$|\s|:\z)/ or $QUOTE{$string}){return "'$string'"}return$string}sub _dump_array {my ($self,$array,$indent,$seen)=@_;if ($seen->{refaddr($array)}++){die \"CPAN::Meta::YAML does not support circular references"}my@lines=();for my$el (@$array){my$line=('  ' x $indent).'-';my$type=ref$el;if (!$type){$line .= ' ' .$self->_dump_scalar($el);push@lines,$line}elsif ($type eq 'ARRAY'){if (@$el){push@lines,$line;push@lines,$self->_dump_array($el,$indent + 1,$seen)}else {$line .= ' []';push@lines,$line}}elsif ($type eq 'HASH'){if (keys %$el){push@lines,$line;push@lines,$self->_dump_hash($el,$indent + 1,$seen)}else {$line .= ' {}';push@lines,$line}}else {die \"CPAN::Meta::YAML does not support $type references"}}@lines}sub _dump_hash {my ($self,$hash,$indent,$seen)=@_;if ($seen->{refaddr($hash)}++){die \"CPAN::Meta::YAML does not support circular references"}my@lines=();for my$name (sort keys %$hash){my$el=$hash->{$name};my$line=('  ' x $indent).$self->_dump_scalar($name,1).":";my$type=ref$el;if (!$type){$line .= ' ' .$self->_dump_scalar($el);push@lines,$line}elsif ($type eq 'ARRAY'){if (@$el){push@lines,$line;push@lines,$self->_dump_array($el,$indent + 1,$seen)}else {$line .= ' []';push@lines,$line}}elsif ($type eq 'HASH'){if (keys %$el){push@lines,$line;push@lines,$self->_dump_hash($el,$indent + 1,$seen)}else {$line .= ' {}';push@lines,$line}}else {die \"CPAN::Meta::YAML does not support $type references"}}@lines}our$errstr='';sub _error {require Carp;$errstr=$_[1];$errstr =~ s/ at \S+ line \d+.*//;Carp::croak($errstr)}my$errstr_warned;sub errstr {require Carp;Carp::carp("CPAN::Meta::YAML->errstr and \$CPAN::Meta::YAML::errstr is deprecated")unless$errstr_warned++;$errstr}use B;my$HAS_FLOCK;sub _can_flock {if (defined$HAS_FLOCK){return$HAS_FLOCK}else {require Config;my$c=\%Config::Config;$HAS_FLOCK=grep {$c->{$_}}qw/d_flock d_fcntl_can_lock d_lockf/;require Fcntl if$HAS_FLOCK;return$HAS_FLOCK}}use Scalar::Util ();BEGIN {local $@;if (eval {Scalar::Util->VERSION(1.18)}){*refaddr=*Scalar::Util::refaddr}else {eval <<'END_PERL'}}delete$CPAN::Meta::YAML::{refaddr};1;
+           {(length($1)>1)?pack("H2",$2):$UNESCAPES{$1}}gex;return$string}sub _load_scalar {my ($self,$string,$indent,$lines)=@_;$string =~ s/\s*\z//;return undef if$string eq '~';if ($string =~ /^$re_capture_single_quoted$re_trailing_comment\z/){return$self->_unquote_single($1)}if ($string =~ /^$re_capture_double_quoted$re_trailing_comment\z/){return$self->_unquote_double($1)}if ($string =~ /^[\'\"!&]/){die \"CPAN::Meta::YAML does not support a feature in line '$string'"}return {}if$string =~ /^{}(?:\s+\#.*)?\z/;return []if$string =~ /^\[\](?:\s+\#.*)?\z/;if ($string !~ /^[>|]/){die \"CPAN::Meta::YAML found illegal characters in plain scalar: '$string'" if$string =~ /^(?:-(?:\s|$)|[\@\%\`])/ or $string =~ /:(?:\s|$)/;$string =~ s/\s+#.*\z//;return$string}die \"CPAN::Meta::YAML failed to find multi-line scalar content" unless @$lines;$lines->[0]=~ /^(\s*)/;$indent->[-1]=length("$1");if (defined$indent->[-2]and $indent->[-1]<= $indent->[-2]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}my@multiline=();while (@$lines){$lines->[0]=~ /^(\s*)/;last unless length($1)>= $indent->[-1];push@multiline,substr(shift(@$lines),$indent->[-1])}my$j=(substr($string,0,1)eq '>')? ' ' : "\n";my$t=(substr($string,1,1)eq '-')? '' : "\n";return join($j,@multiline).$t}sub _load_array {my ($self,$array,$indent,$lines)=@_;while (@$lines){if ($lines->[0]=~ /^(?:---|\.\.\.)/){while (@$lines and $lines->[0]!~ /^---/){shift @$lines}return 1}$lines->[0]=~ /^(\s*)/;if (length($1)< $indent->[-1]){return 1}elsif (length($1)> $indent->[-1]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}if ($lines->[0]=~ /^(\s*\-\s+)[^\'\"]\S*\s*:(?:\s+|$)/){my$indent2=length("$1");$lines->[0]=~ s/-/ /;push @$array,{};$self->_load_hash($array->[-1],[@$indent,$indent2 ],$lines)}elsif ($lines->[0]=~ /^\s*\-\s*\z/){shift @$lines;unless (@$lines){push @$array,undef;return 1}if ($lines->[0]=~ /^(\s*)\-/){my$indent2=length("$1");if ($indent->[-1]==$indent2){push @$array,undef}else {push @$array,[];$self->_load_array($array->[-1],[@$indent,$indent2 ],$lines)}}elsif ($lines->[0]=~ /^(\s*)\S/){push @$array,{};$self->_load_hash($array->[-1],[@$indent,length("$1")],$lines)}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}}elsif ($lines->[0]=~ /^\s*\-(\s*)(.+?)\s*\z/){shift @$lines;push @$array,$self->_load_scalar("$2",[@$indent,undef ],$lines)}elsif (defined$indent->[-2]and $indent->[-1]==$indent->[-2]){return 1}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}}return 1}sub _load_hash {my ($self,$hash,$indent,$lines)=@_;while (@$lines){if ($lines->[0]=~ /^(?:---|\.\.\.)/){while (@$lines and $lines->[0]!~ /^---/){shift @$lines}return 1}$lines->[0]=~ /^(\s*)/;if (length($1)< $indent->[-1]){return 1}elsif (length($1)> $indent->[-1]){die \"CPAN::Meta::YAML found bad indenting in line '$lines->[0]'"}my$key;if ($lines->[0]=~ s/^\s*$re_capture_single_quoted$re_key_value_separator//){$key=$self->_unquote_single($1)}elsif ($lines->[0]=~ s/^\s*$re_capture_double_quoted$re_key_value_separator//){$key=$self->_unquote_double($1)}elsif ($lines->[0]=~ s/^\s*$re_capture_unquoted_key$re_key_value_separator//){$key=$1;$key =~ s/\s+$//}elsif ($lines->[0]=~ /^\s*\?/){die \"CPAN::Meta::YAML does not support a feature in line '$lines->[0]'"}else {die \"CPAN::Meta::YAML failed to classify line '$lines->[0]'"}if (exists$hash->{$key}){warn "CPAN::Meta::YAML found a duplicate key '$key' in line '$lines->[0]'"}if (length$lines->[0]){$hash->{$key}=$self->_load_scalar(shift(@$lines),[@$indent,undef ],$lines)}else {shift @$lines;unless (@$lines){$hash->{$key}=undef;return 1}if ($lines->[0]=~ /^(\s*)-/){$hash->{$key}=[];$self->_load_array($hash->{$key},[@$indent,length($1)],$lines)}elsif ($lines->[0]=~ /^(\s*)./){my$indent2=length("$1");if ($indent->[-1]>= $indent2){$hash->{$key}=undef}else {$hash->{$key}={};$self->_load_hash($hash->{$key},[@$indent,length($1)],$lines)}}}}return 1}sub _dump_file {my$self=shift;require Fcntl;my$file=shift or $self->_error('You did not specify a file name');my$fh;if (_can_flock()){my$flags=Fcntl::O_WRONLY()|Fcntl::O_CREAT();sysopen($fh,$file,$flags)or $self->_error("Failed to open file '$file' for writing: $!");binmode($fh,":raw:encoding(UTF-8)");flock($fh,Fcntl::LOCK_EX())or warn "Couldn't lock '$file' for reading: $!";truncate$fh,0;seek$fh,0,0}else {open$fh,">:unix:encoding(UTF-8)",$file}print {$fh}$self->_dump_string;unless (close$fh){$self->_error("Failed to close file '$file': $!")}return 1}sub _dump_string {my$self=shift;return '' unless ref$self && @$self;my$indent=0;my@lines=();eval {for my$cursor (@$self){push@lines,'---';if (!defined$cursor){}elsif (!ref$cursor){$lines[-1].= ' ' .$self->_dump_scalar($cursor)}elsif (ref$cursor eq 'ARRAY'){unless (@$cursor){$lines[-1].= ' []';next}push@lines,$self->_dump_array($cursor,$indent,{})}elsif (ref$cursor eq 'HASH'){unless (%$cursor){$lines[-1].= ' {}';next}push@lines,$self->_dump_hash($cursor,$indent,{})}else {die \("Cannot serialize " .ref($cursor))}}};if (ref $@ eq 'SCALAR'){$self->_error(${$@})}elsif ($@){$self->_error($@)}join '',map {"$_\n"}@lines}sub _has_internal_string_value {my$value=shift;my$b_obj=B::svref_2object(\$value);return$b_obj->FLAGS & B::SVf_POK()}sub _dump_scalar {my$string=$_[1];my$is_key=$_[2];my$has_string_flag=_has_internal_string_value($string);return '~' unless defined$string;return "''" unless length$string;if (Scalar::Util::looks_like_number($string)){if ($is_key || $has_string_flag){return qq['$string']}else {return$string}}if ($string =~ /[\x00-\x09\x0b-\x0d\x0e-\x1f\x7f-\x9f\'\n]/){$string =~ s/\\/\\\\/g;$string =~ s/"/\\"/g;$string =~ s/\n/\\n/g;$string =~ s/[\x85]/\\N/g;$string =~ s/([\x00-\x1f])/\\$UNPRINTABLE[ord($1)]/g;$string =~ s/([\x7f-\x9f])/'\x' . sprintf("%X",ord($1))/ge;return qq|"$string"|}if ($string =~ /(?:^[~!@#%&*|>?:,'"`{}\[\]]|^-+$|\s|:\z)/ or $QUOTE{$string}){return "'$string'"}return$string}sub _dump_array {my ($self,$array,$indent,$seen)=@_;if ($seen->{refaddr($array)}++){die \"CPAN::Meta::YAML does not support circular references"}my@lines=();for my$el (@$array){my$line=('  ' x $indent).'-';my$type=ref$el;if (!$type){$line .= ' ' .$self->_dump_scalar($el);push@lines,$line}elsif ($type eq 'ARRAY'){if (@$el){push@lines,$line;push@lines,$self->_dump_array($el,$indent + 1,$seen)}else {$line .= ' []';push@lines,$line}}elsif ($type eq 'HASH'){if (keys %$el){push@lines,$line;push@lines,$self->_dump_hash($el,$indent + 1,$seen)}else {$line .= ' {}';push@lines,$line}}else {die \"CPAN::Meta::YAML does not support $type references"}}@lines}sub _dump_hash {my ($self,$hash,$indent,$seen)=@_;if ($seen->{refaddr($hash)}++){die \"CPAN::Meta::YAML does not support circular references"}my@lines=();for my$name (sort keys %$hash){my$el=$hash->{$name};my$line=('  ' x $indent).$self->_dump_scalar($name,1).":";my$type=ref$el;if (!$type){$line .= ' ' .$self->_dump_scalar($el);push@lines,$line}elsif ($type eq 'ARRAY'){if (@$el){push@lines,$line;push@lines,$self->_dump_array($el,$indent + 1,$seen)}else {$line .= ' []';push@lines,$line}}elsif ($type eq 'HASH'){if (keys %$el){push@lines,$line;push@lines,$self->_dump_hash($el,$indent + 1,$seen)}else {$line .= ' {}';push@lines,$line}}else {die \"CPAN::Meta::YAML does not support $type references"}}@lines}our$errstr='';sub _error {require Carp;$errstr=$_[1];$errstr =~ s/ at \S+ line \d+.*//;Carp::croak($errstr)}my$errstr_warned;sub errstr {require Carp;Carp::carp("CPAN::Meta::YAML->errstr and \$CPAN::Meta::YAML::errstr is deprecated")unless$errstr_warned++;$errstr}use B;my$HAS_FLOCK;sub _can_flock {if (defined$HAS_FLOCK){return$HAS_FLOCK}else {require Config;my$c=\%Config::Config;$HAS_FLOCK=grep {$c->{$_}}qw/d_flock d_fcntl_can_lock d_lockf/;require Fcntl if$HAS_FLOCK;return$HAS_FLOCK}}use Scalar::Util ();BEGIN {local $@;if (eval {Scalar::Util->VERSION(1.18)}){*refaddr=*Scalar::Util::refaddr}else {eval <<'END_PERL'}}delete$CPAN::Meta::YAML::{refaddr};1;
   # Scalar::Util failed to load or too old
   sub refaddr {
       my $pkg = ref($_[0]) or return undef;