use vars qw{$Try_autoload $Revision
$META $Signal $Cwd $End
$Suppress_readline %Dontload
- $Frontend
+ $Frontend $Defaultsite
};
-$VERSION = '1.3102';
+$VERSION = '1.39';
-# $Id: CPAN.pm,v 1.202 1997/09/23 18:30:36 k Exp k $
+# $Id: CPAN.pm,v 1.226 1998/07/08 22:29:29 k Exp k $
# only used during development:
$Revision = "";
-# $Revision = "[".substr(q$Revision: 1.202 $, 10)."]";
+# $Revision = "[".substr(q$Revision: 1.226 $, 10)."]";
use Carp ();
use Config ();
Shell 1024
Eval 2048
Config 4096
+ Tarzip 8192
);
$CPAN::DEBUG ||= 0;
$CPAN::Signal ||= 0;
$CPAN::Frontend ||= "CPAN::Shell";
+$CPAN::Defaultsite ||= "ftp://ftp.perl.org/pub/CPAN";
package CPAN;
use vars qw($VERSION @EXPORT $AUTOLOAD $DEBUG $META $term);
s/^\s+//;
next if /^$/;
$_ = 'h' if $_ eq '?';
- if (/^q(?:uit)?$/i) {
+ if (/^(?:q(?:uit)?|bye|exit)$/i) {
last;
} elsif (s/\\$//s) {
chomp;
$prompt = "cpan> ";
}
} continue {
- &cleanup, $CPAN::Frontend->mydie("Goodbye\n") if $Signal;
+ $Signal=0;
}
}
package CPAN::CacheMgr;
-use vars qw($Du);
@CPAN::CacheMgr::ISA = qw(CPAN::InfoObj CPAN);
use File::Find;
sub AUTOLOAD {
my($autoload) = $AUTOLOAD;
my $class = shift(@_);
+ # warn "autoload[$autoload] class[$class]";
$autoload =~ s/.*:://;
if ($autoload =~ /^w/) {
if ($CPAN::META->has_inst('CPAN::WAIT')) {
}
}
+package CPAN::Tarzip;
+use vars qw($AUTOLOAD @ISA);
+@CPAN::Tarzip::ISA = qw(CPAN::Debug);
+
+package CPAN::Queue;
+# currently only used to determine if we should or shouldn't announce
+# the availability of a new CPAN module
+sub new {
+ my($class,$mod) = @_;
+ # warn "Queue object for mod[$mod]";
+ bless {mod => $mod}, $class;
+}
package CPAN;
$CPAN::Frontend->mydie("Got SIGTERM, leaving");
};
$SIG{'INT'} = sub {
- my $s = $Signal == 2 ? "a second" : "another";
- &cleanup, $CPAN::Frontend->mydie("Got $s SIGINT") if $Signal;
- $Signal = 1;
+ # no blocks!!!
+ &cleanup if $Signal;
+ $CPAN::Frontend->mydie("Got another SIGINT") if $Signal;
+ print "Caught SIGINT\n";
+ $Signal++;
};
$SIG{'__DIE__'} = \&cleanup;
$self->debug("Signal handler set.") if $CPAN::DEBUG;
exists $META->{$class}{$id};
}
+#-> sub CPAN::delete ;
+sub delete {
+ my($mgr,$class,$id) = @_;
+ delete $META->{$class}{$id};
+}
+
#-> sub CPAN::has_inst
sub has_inst {
my($self,$mod,$message) = @_;
shift->{DU};
}
-# sub check {
-# my($self,@dirs) = @_;
-# return unless -d $self->{ID};
-# my $dir;
-# @dirs = $self->dirs unless @dirs;
-# for $dir (@dirs) {
-# $self->disk_usage($dir);
-# }
-# }
-
-#-> sub CPAN::CacheMgr::clean_cache ;
-#=# sub clean_cache {
-#=# my $self = shift;
-#=# my $dir;
-#=# while ($self->{DU} > $self->{'MAX'} and $dir = shift @{$self->{FIFO}}) {
-#=# $self->force_clean_cache($dir);
-#=# }
-#=# $self->debug("leaving clean_cache with $self->{DU}") if $CPAN::DEBUG;
-#=# }
+sub tidyup {
+ my($self) = @_;
+ return unless -d $self->{ID};
+ while ($self->{DU} > $self->{'MAX'} ) {
+ my($toremove) = shift @{$self->{FIFO}};
+ $CPAN::Frontend->myprint(sprintf(
+ "Deleting from cache".
+ ": $toremove (%.1f>%.1f MB)\n",
+ $self->{DU}, $self->{'MAX'})
+ );
+ return if $CPAN::Signal;
+ $self->force_clean_cache($toremove);
+ return if $CPAN::Signal;
+ }
+}
#-> sub CPAN::CacheMgr::dir ;
sub dir {
#-> sub CPAN::CacheMgr::disk_usage ;
sub disk_usage {
my($self,$dir) = @_;
-# if (! defined $dir or $dir eq "") {
-# $self->debug("Cannot determine disk usage for some reason") if $CPAN::DEBUG;
-# return;
-# }
- return if $self->{SIZE}{$dir};
- local($Du) = 0;
+ return if exists $self->{SIZE}{$dir};
+ return if $CPAN::Signal;
+ my($Du) = 0;
find(
sub {
+ $File::Find::prune++ if $CPAN::Signal;
return if -l $_;
$Du += -s _;
},
$dir
);
+ return if $CPAN::Signal;
$self->{SIZE}{$dir} = $Du/1024/1024;
push @{$self->{FIFO}}, $dir;
$self->debug("measured $dir is $Du") if $CPAN::DEBUG;
$self->{DU} += $Du/1024/1024;
- if ($self->{DU} > $self->{'MAX'} ) {
- my($toremove) = shift @{$self->{FIFO}};
- $CPAN::Frontend->myprint(sprintf(
- "...Hold on a sec... ".
- "cleaning from cache ".
- "(%.1f>%.1f MB): $toremove\n",
- $self->{DU}, $self->{'MAX'})
- );
- $self->force_clean_cache($toremove);
- }
$self->{DU};
}
#-> sub CPAN::CacheMgr::force_clean_cache ;
sub force_clean_cache {
my($self,$dir) = @_;
+ return unless -e $dir;
$self->debug("have to rmtree $dir, will free $self->{SIZE}{$dir}")
if $CPAN::DEBUG;
File::Path::rmtree($dir);
File::Path::mkpath($self->{ID});
my $dh = DirHandle->new($self->{ID});
bless $self, $class;
- $self->debug("dir [$self->{ID}]") if $CPAN::DEBUG;
my $e;
- for $e ($self->entries) {
+ $CPAN::Frontend->myprint(
+ sprintf("Scanning cache %s for sizes\n",
+ $self->{ID}));
+ for $e ($self->entries($self->{ID})) {
next if $e eq ".." || $e eq ".";
$self->disk_usage($e);
+ return if $CPAN::Signal;
}
+ $self->tidyup;
$t2 = time;
$debug .= "timing of CacheMgr->new: ".($t2 - $time);
$time = $t2;
my $msg = <<EOF unless $configpm =~ /MyConfig/;
-# This is CPAN.pm's systemwide configuration file. This file provides
+# This is CPAN.pm's systemwide configuration file. This file provides
# defaults for users, and the values can be changed in a per-user
# configuration file. The user-config file is being looked for as
# ~/.cpan/CPAN/MyConfig.pm.
my(@miss);
eval {require CPAN::Config;}; # We eval because of some
# MakeMaker problems
- unshift @INC, MM->catdir($ENV{HOME},".cpan") unless $dot_cpan++;
- eval {require CPAN::MyConfig;}; # where you can override
+ unless ($dot_cpan++){
+ unshift @INC, MM->catdir($ENV{HOME},".cpan");
+ eval {require CPAN::MyConfig;}; # where you can override
# system wide settings
+ shift @INC;
+ }
return unless @miss = $self->not_loaded;
# XXX better check for arrayrefs too
require CPAN::FirstTime;
CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
my(@words) = split " ", substr($line,0,$pos+1);
if (
- $words[2] =~ /list$/ && @words == 3
- ||
- $words[2] =~ /list$/ && @words == 4 && length($word)
+ defined($words[2])
+ and
+ (
+ $words[2] =~ /list$/ && @words == 3
+ ||
+ $words[2] =~ /list$/ && @words == 4 && length($word)
+ )
) {
return grep /^\Q$word\E/, qw(splice shift unshift pop push);
} elsif (@words >= 4) {
}
}
+*help = \&h;
+
#-> sub CPAN::Shell::a ;
sub a { $CPAN::Frontend->myprint(shift->format_result('Author',@_));}
#-> sub CPAN::Shell::b ;
shift @o_what if @o_what && $o_what[0] eq 'help';
if (!@o_what) {
my($k,$v);
- $CPAN::Frontend->myprint("CPAN::Config options:\n");
+ $CPAN::Frontend->myprint("CPAN::Config options");
+ if (exists $INC{'CPAN/Config.pm'}) {
+ $CPAN::Frontend->myprint(" from $INC{'CPAN/Config.pm'}");
+ }
+ if (exists $INC{'CPAN/MyConfig.pm'}) {
+ $CPAN::Frontend->myprint(" and $INC{'CPAN/MyConfig.pm'}");
+ }
+ $CPAN::Frontend->myprint(":\n");
for $k (sort keys %CPAN::Config::can) {
$v = $CPAN::Config::can{$k};
$CPAN::Frontend->myprint(sprintf " %-18s %s\n", $k, $v);
my($latest) = $module->cpan_version;
my($inst_file) = $module->inst_file;
my($have);
+ return if $CPAN::Signal;
if ($inst_file){
if ($what eq "a") {
$have = $module->inst_version;
*color = sub { return "" };
}
}
- for my $line (split /\n/, $what) {
+ my $line;
+ for $line (split /\n/, $what) {
$longest = length($line) if length($line) > $longest;
}
my $sprintf = "%-" . $longest . "s";
}
#-> sub CPAN::Shell::rematein ;
+# RE-adme||MA-ke||TE-st||IN-stall
sub rematein {
shift;
my($meth,@some) = @_;
} elsif ($s =~ m|/|) { # looks like a file
$obj = $CPAN::META->instance('CPAN::Distribution',$s);
} elsif ($s =~ m|^Bundle::|) {
+ $CPAN::META->{'CPAN::Queue'}{$s} ||= CPAN::Queue->new($s);
$obj = $CPAN::META->instance('CPAN::Bundle',$s);
} else {
+ $CPAN::META->{'CPAN::Queue'}{$s} ||= CPAN::Queue->new($s);
$obj = $CPAN::META->instance('CPAN::Module',$s)
if $CPAN::META->exists('CPAN::Module',$s);
}
if
$pragma
&&
- ($] < 5.00303 || $obj->can($pragma)); ### compatibility with 5.003
+ ($] < 5.00303 || $obj->can($pragma)); ###
+ ### compatibility
+ ### with
+ ### 5.003
+ if ($]>=5.00303 && $obj->can('called_for')) {
+ $obj->called_for($s);
+ }
$obj->$meth();
} elsif ($CPAN::META->exists('CPAN::Author',$s)) {
$obj = $CPAN::META->instance('CPAN::Author',$s);
return 1;
}
+# If more accuracy is wanted/needed, Chris Leach sent me this patch...
+
+ # leach,> *** /install/perl/live/lib/CPAN.pm- Wed Sep 24 13:08:48 1997
+ # leach,> --- /tmp/cp Wed Sep 24 13:26:40 1997
+ # leach,> ***************
+ # leach,> *** 1562,1567 ****
+ # leach,> --- 1562,1580 ----
+ # leach,> return 1 if substr($url,0,4) eq "file";
+ # leach,> return 1 unless $url =~ m|://([^/]+)|;
+ # leach,> my $host = $1;
+ # leach,> + my $proxy = $CPAN::Config->{'http_proxy'} || $ENV{'http_proxy'};
+ # leach,> + if ($proxy) {
+ # leach,> + $proxy =~ m|://([^/:]+)|;
+ # leach,> + $proxy = $1;
+ # leach,> + my $noproxy = $CPAN::Config->{'no_proxy'} || $ENV{'no_proxy'};
+ # leach,> + if ($noproxy) {
+ # leach,> + if ($host !~ /$noproxy$/) {
+ # leach,> + $host = $proxy;
+ # leach,> + }
+ # leach,> + } else {
+ # leach,> + $host = $proxy;
+ # leach,> + }
+ # leach,> + }
+ # leach,> require Net::Ping;
+ # leach,> return 1 unless $Net::Ping::VERSION >= 2;
+ # leach,> my $p;
+
+
+# this is quite optimistic and returns one on several occasions where
+# inappropriate. But this does no harm. It would do harm if we were
+# too pessimistic (as I was before the http_proxy
sub is_reachable {
my($self,$url) = @_;
return 1; # we can't simply roll our own, firewalls may break ping
return 0 unless $url;
return 1 if substr($url,0,4) eq "file";
- return 1 unless $url =~ m|://([^/]+)|;
- my $host = $1;
+ return 1 unless $url =~ m|^(\w+)://([^/]+)|;
+ my $proxytype = $1 . "_proxy"; # ftp_proxy or http_proxy
+ my $host = $2;
+ return 1 if $CPAN::Config->{$proxytype} || $ENV{$proxytype};
require Net::Ping;
return 1 unless $Net::Ping::VERSION >= 2;
my $p;
+ # 1.3101 had it different: only if the first eval raised an
+ # exception we tried it with TCP. Now we are happy if icmp wins
+ # the order and return, we don't even check for $@. Thanks to
+ # thayer@uis.edu for the suggestion.
eval {$p = Net::Ping->new("icmp");};
- eval {$p = Net::Ping->new("tcp");} if $@;
+ return 1 if $p && ref($p) && $p->ping($host, 10);
+ eval {$p = Net::Ping->new("tcp");};
$CPAN::Frontend->mydie($@) if $@;
- return $p->ping($host, 3);
+ return $p->ping($host, 10);
}
#-> sub CPAN::FTP::localize ;
# Try the list of urls for each single object. We keep a record
# where we did get a file from
my(@reordered,$last);
-#line 1621
+ $CPAN::Config->{urllist} ||= [];
$last = $#{$CPAN::Config->{urllist}};
if ($force & 2) { # local cpans probably out of date, don't reorder
@reordered = (0..$last);
my $method = "host$level";
my @host_seq = $level eq "easy" ?
@reordered : 0..$last; # reordered has CDROM up front
+ @host_seq = (0) unless @host_seq;
my $ret = $self->$method(\@host_seq,$file,$aslocal);
if ($ret) {
$Themethod = $level;
my($self,$host_seq,$file,$aslocal) = @_;
my($i);
HOSTEASY: for $i (@$host_seq) {
- my $url = $CPAN::Config->{urllist}[$i];
+ my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
unless ($self->is_reachable($url)) {
$CPAN::Frontend->myprint("Skipping $url (seems to be not reachable)\n");
sleep 2;
# Maybe mirror has compressed it?
if (-f "$l.gz") {
$self->debug("found compressed $l.gz") if $CPAN::DEBUG;
- system("$CPAN::Config->{gzip} -dc $l.gz > $aslocal");
+ CPAN::Tarzip->gunzip("$l.gz", $aslocal);
if ( -f $aslocal) {
$Thesite = $i;
return $aslocal;
}
}
if ($CPAN::META->has_inst('LWP')) {
- $CPAN::Frontend->myprint("Fetching with LWP:
+ $CPAN::Frontend->myprint("Fetching with LWP:
$url
");
- my $res = $Ua->mirror($url, $aslocal);
- if ($res->is_success) {
- $Thesite = $i;
- return $aslocal;
- } elsif ($url !~ /\.gz$/) {
- my $gzurl = "$url.gz";
- $CPAN::Frontend->myprint("Fetching with LWP:
+ my $res = $Ua->mirror($url, $aslocal);
+ if ($res->is_success) {
+ $Thesite = $i;
+ return $aslocal;
+ } elsif ($url !~ /\.gz$/) {
+ my $gzurl = "$url.gz";
+ $CPAN::Frontend->myprint("Fetching with LWP:
$gzurl
");
- $res = $Ua->mirror($gzurl, "$aslocal.gz");
- if ($res->is_success &&
- system("$CPAN::Config->{gzip} -d $aslocal.gz")==0) {
- $Thesite = $i;
- return $aslocal;
- } else {
- next HOSTEASY ;
- }
+ $res = $Ua->mirror($gzurl, "$aslocal.gz");
+ if ($res->is_success &&
+ CPAN::Tarzip->gunzip("$aslocal.gz",$aslocal)
+ ) {
+ $Thesite = $i;
+ return $aslocal;
} else {
- next HOSTEASY ;
+ # next HOSTEASY ;
}
+ } else {
+ # Alan Burlison informed me that in firewall envs Net::FTP
+ # can still succeed where LWP fails. So we do not skip
+ # Net::FTP anymore when LWP is available.
+ # next HOSTEASY ;
+ }
+ } else {
+ $self->debug("LWP not installed") if $CPAN::DEBUG;
}
if ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
# that's the nice and easy way thanks to Graham
if ($CPAN::META->has_inst('Net::FTP')) {
$dir =~ s|/+|/|g;
$CPAN::Frontend->myprint("Fetching with Net::FTP:
- $aslocal
+ $url
");
$self->debug("getfile[$getfile]dir[$dir]host[$host]" .
"aslocal[$aslocal]") if $CPAN::DEBUG;
if ($aslocal !~ /\.gz$/) {
my $gz = "$aslocal.gz";
$CPAN::Frontend->myprint("Fetching with Net::FTP
- $gz
+ $url.gz
");
if (CPAN::FTP->ftp_get($host,
- $dir,
- "$getfile.gz",
- $gz) &&
- system("$CPAN::Config->{gzip} -d $gz")==0 ){
+ $dir,
+ "$getfile.gz",
+ $gz) &&
+ CPAN::Tarzip->gunzip($gz,$aslocal)
+ ){
$Thesite = $i;
return $aslocal;
}
}
- next HOSTEASY;
+ # next HOSTEASY;
}
}
}
my($aslocal_dir) = File::Basename::dirname($aslocal);
File::Path::mkpath($aslocal_dir);
HOSTHARD: for $i (@$host_seq) {
- my $url = $CPAN::Config->{urllist}[$i];
+ my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
unless ($self->is_reachable($url)) {
$CPAN::Frontend->myprint("Skipping $url (not reachable)\n");
next;
}
$url .= "/" unless substr($url,-1) eq "/";
$url .= $file;
- my($host,$dir,$getfile);
- if ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
- ($host,$dir,$getfile) = ($1,$2,$3);
+ my($proto,$host,$dir,$getfile);
+
+ # Courtesy Mark Conty mark_conty@cargill.com change from
+ # if ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
+ # to
+ if ($url =~ m|^([^:]+)://(.*?)/(.*)/(.*)|) {
+ # proto not yet used
+ ($proto,$host,$dir,$getfile) = ($1,$2,$3,$4);
} else {
next HOSTHARD; # who said, we could ftp anything except ftp?
}
# system even if it fails
) {
if ($aslocal_uncompressed ne $aslocal) {
- # test gzip integrity
- $system =
- "$CPAN::Config->{'gzip'} -dt $aslocal_uncompressed";
- if (system($system) == 0) {
- rename $aslocal_uncompressed, $aslocal;
- } else {
- $system =
- "$CPAN::Config->{'gzip'} $aslocal_uncompressed";
- system($system);
- }
- $Thesite = $i;
- return $aslocal;
+ # test gzip integrity
+ if (
+ CPAN::Tarzip->gtest($aslocal_uncompressed)
+ ) {
+ rename $aslocal_uncompressed, $aslocal;
+ } else {
+ CPAN::Tarzip->gzip($aslocal_uncompressed,
+ "$aslocal_uncompressed.gz");
+ }
+ $Thesite = $i;
+ return $aslocal;
}
} elsif ($url !~ /\.gz$/) {
my $gz = "$aslocal.gz";
-s "$aslocal_uncompressed.gz"
) {
# test gzip integrity
- $system =
- "$CPAN::Config->{'gzip'} -dt $aslocal_uncompressed.gz";
- $CPAN::Frontend->mywarn("system[$system]");
- if (system($system) == 0) {
- $system = "$CPAN::Config->{'gzip'} -dc ".
- "$aslocal_uncompressed.gz > $aslocal";
- $CPAN::Frontend->mywarn("system[$system]");
- system($system);
+ if (CPAN::Tarzip->gtest("$aslocal_uncompressed.gz")) {
+ CPAN::Tarzip->gunzip("$aslocal_uncompressed.gz",
+ $aslocal);
} else {
rename $aslocal_uncompressed, $aslocal;
}
$CPAN::Frontend->myprint("No external ftp command available\n\n");
last HOSTHARDEST;
}
- my $url = $CPAN::Config->{urllist}[$i];
+ my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
unless ($self->is_reachable($url)) {
$CPAN::Frontend->myprint("Skipping $url (not reachable)\n");
next;
# find2perl needs modularization, too, all the following is stolen
# from there
+# CPAN::FTP::ls
sub ls {
my($self,$name) = @_;
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
sub rd_authindex {
my($cl,$index_target) = @_;
return unless defined $index_target;
- my $pipe = "$CPAN::Config->{gzip} --decompress --stdout $index_target";
$CPAN::Frontend->myprint("Going to read $index_target\n");
- my $fh = FileHandle->new("$pipe|");
- while (<$fh>) {
+# my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
+# while ($_ = $fh->READLINE) {
+ # no strict 'refs';
+ local(*FH);
+ tie *FH, CPAN::Tarzip, $index_target;
+ while (<FH>) {
chomp;
my($userid,$fullname,$email) =
/alias\s+(\S+)\s+\"([^\"\<]+)\s+<([^\>]+)\>\"/;
$userobj->set('FULLNAME' => $fullname, 'EMAIL' => $email);
return if $CPAN::Signal;
}
- $fh->close;
- $? and Carp::croak "FAILED $pipe: exit status [$?]";
+}
+
+sub userid {
+ my($self,$dist) = @_;
+ $dist = $self->{'id'} unless defined $dist;
+ my($ret) = $dist =~ m|(?:\w/\w\w/)?([^/]+)/|;
+ $ret;
}
#-> sub CPAN::Index::rd_modpacks ;
sub rd_modpacks {
my($cl,$index_target) = @_;
return unless defined $index_target;
- my $pipe = "$CPAN::Config->{gzip} --decompress --stdout $index_target";
$CPAN::Frontend->myprint("Going to read $index_target\n");
- my $fh = FileHandle->new("$pipe|");
- while (<$fh>) {
+ my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
+ while ($_ = $fh->READLINE) {
last if /^\s*$/;
}
- while (<$fh>) {
+ while ($_ = $fh->READLINE) {
chomp;
my($mod,$version,$dist) = split;
### $version =~ s/^\+//;
- # if it as a bundle, instatiate a bundle object
+ # if it is a bundle, instatiate a bundle object
my($bundle,$id,$userid);
- if ($mod eq 'CPAN') {
+ if ($mod eq 'CPAN' &&
+ ! (
+ $CPAN::META->exists('CPAN::Queue','Bundle::CPAN') ||
+ $CPAN::META->exists('CPAN::Queue','CPAN')
+ )
+ ) {
local($^W)= 0;
if ($version > $CPAN::VERSION){
$CPAN::Frontend->myprint(qq{
There\'s a new CPAN.pm version (v$version) available!
You might want to try
- install CPAN
+ install Bundle::CPAN
reload cpan
without quitting the current session. It should be a seamless upgrade
while we are running...
}
if ($id->cpan_file ne $dist){
- # determine the author
- ($userid) = $dist =~ /([^\/]+)/;
+ $userid = $cl->userid($dist);
$id->set(
'CPAN_USERID' => $userid,
'CPAN_VERSION' => $version,
return if $CPAN::Signal;
}
- $fh->close;
- $? and Carp::croak "FAILED $pipe: exit status [$?]";
+ undef $fh;
}
#-> sub CPAN::Index::rd_modlist ;
sub rd_modlist {
my($cl,$index_target) = @_;
return unless defined $index_target;
- my $pipe = "$CPAN::Config->{gzip} --decompress --stdout $index_target";
$CPAN::Frontend->myprint("Going to read $index_target\n");
- my $fh = FileHandle->new("$pipe|");
- my $eval;
- while (<$fh>) {
+ my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
+ my @eval;
+ while ($_ = $fh->READLINE) {
if (/^Date:\s+(.*)/){
return if $date_of_03 eq $1;
($date_of_03) = $1;
}
last if /^\s*$/;
}
- local($/) = undef;
- $eval = <$fh>;
- $fh->close;
- $eval .= q{CPAN::Modulelist->data;};
+ push @eval, $_ while $_ = $fh->READLINE;
+ undef $fh;
+ push @eval, q{CPAN::Modulelist->data;};
local($^W) = 0;
my($comp) = Safe->new("CPAN::Safe1");
+ my($eval) = join("", @eval);
my $ret = $comp->reval($eval);
Carp::confess($@) if $@;
return if $CPAN::Signal;
for (sort keys %$self) {
next if $_ eq 'ID';
my $extra = "";
- $_ eq "CPAN_USERID" and $extra = " (".$self->author.")";
- if (ref($self->{$_}) eq "ARRAY") { # Should we setup a language interface? XXX
+ if ($_ eq "CPAN_USERID") {
+ $extra .= " (".$self->author;
+ my $email; # old perls!
+ if ($email = $CPAN::META->instance(CPAN::Author,
+ $self->{$_}
+ )->email) {
+ $extra .= " <$email>";
+ } else {
+ $extra .= " <no email>";
+ }
+ $extra .= ")";
+ }
+ if (ref($self->{$_}) eq "ARRAY") { # language interface? XXX
push @m, sprintf " %-12s %s%s\n", $_, "@{$self->{$_}}", $extra;
} else {
push @m, sprintf " %-12s %s%s\n", $_, $self->{$_}, $extra;
}
my($makefilepl) = MM->catfile($packagedir,"Makefile.PL");
unless (-f $makefilepl) {
- my($configure) = MM->catfile($packagedir,"Configure");
- if (-f $configure) {
- # do we have anything to do?
- $self->{'configure'} = $configure;
- } else {
- my $fh = FileHandle->new(">$makefilepl")
- or Carp::croak("Could not open >$makefilepl");
- my $cf = $self->called_for || "unknown";
- $fh->print(
+ my($configure) = MM->catfile($packagedir,"Configure");
+ if (-f $configure) {
+ # do we have anything to do?
+ $self->{'configure'} = $configure;
+ } elsif (-f MM->catfile($packagedir,"Makefile")) {
+ $CPAN::Frontend->myprint(qq{
+Package comes with a Makefile and without a Makefile.PL.
+We\'ll try to build it with that Makefile then.
+});
+ $self->{writemakefile} = "YES";
+ sleep 2;
+ } else {
+ my $fh = FileHandle->new(">$makefilepl")
+ or Carp::croak("Could not open >$makefilepl");
+ my $cf = $self->called_for || "unknown";
+ $fh->print(
qq{# This Makefile.PL has been autogenerated by the module CPAN.pm
# because there was no Makefile.PL supplied.
# Autogenerated on: }.scalar localtime().qq{
- use ExtUtils::MakeMaker;
- WriteMakefile(NAME => q[$cf]);
+use ExtUtils::MakeMaker;
+WriteMakefile(NAME => q[$cf]);
});
- $CPAN::Frontend->myprint(qq{Package comes without Makefile.PL.\n}.
- qq{ Writing one on our own (calling it $cf)\n});
+ $CPAN::Frontend->myprint(qq{Package comes without Makefile.PL.
+ Writing one on our own (calling it $cf)\n});
}
}
}
sub untar_me {
my($self,$local_file) = @_;
$self->{archived} = "tar";
- my $system = "$CPAN::Config->{gzip} --decompress --stdout " .
- "$local_file | $CPAN::Config->{tar} xvf -";
- if (system($system)== 0) {
+ if (CPAN::Tarzip->untar($local_file)) {
$self->{unwrapped} = "YES";
} else {
$self->{unwrapped} = "NO";
$self->{archived} = "pm";
my $to = File::Basename::basename($local_file);
$to =~ s/\.(gz|Z)$//;
- my $system = "$CPAN::Config->{gzip} --decompress --stdout ".
- "$local_file > $to";
- if (system($system) == 0) {
+ if (CPAN::Tarzip->gunzip($local_file,$to)) {
$self->{unwrapped} = "YES";
} else {
$self->{unwrapped} = "NO";
$lc_file = CPAN::FTP->localize("authors/id/@local",
"$lc_want.gz",1);
if ($lc_file) {
- my @system = ($CPAN::Config->{gzip}, '--decompress', $lc_file);
- system(@system) == 0 or die "Could not uncompress $lc_file";
$lc_file =~ s/\.gz$//;
+ CPAN::Tarzip->gunzip("$lc_file.gz",$lc_file);
} else {
return;
}
} else {
Carp::carp "Could not open $chk_file for reading";
}
- if ($cksum->{$basename}->{md5}) {
+
+ if (exists $cksum->{$basename}{md5}) {
$self->debug("Found checksum for $basename:" .
- "$cksum->{$basename}->{md5}\n") if $CPAN::DEBUG;
- my $pipe = "$CPAN::Config->{gzip} --decompress ".
- "--stdout $file|";
- if (
- open($fh, $file) &&
- binmode $fh &&
- $self->eq_MD5($fh,$cksum->{$basename}->{md5})
- or
- open($fh, $pipe) &&
- binmode $fh &&
- $self->eq_MD5($fh,$cksum->{$basename}->{'md5-ungz'})
- ){
- $CPAN::Frontend->myprint("Checksum for $file ok\n");
- return $self->{MD5_STATUS} = "OK";
+ "$cksum->{$basename}{md5}\n") if $CPAN::DEBUG;
+
+ open($fh, $file);
+ binmode $fh;
+ my $eq = $self->eq_MD5($fh,$cksum->{$basename}{'md5'});
+ $fh->close;
+ $fh = CPAN::Tarzip->TIEHANDLE($file);
+
+ unless ($eq) {
+ # had to inline it, when I tied it, the tiedness got lost on
+ # the call to eq_MD5. (Jan 1998)
+ my $md5 = MD5->new;
+ my($data,$ref);
+ $ref = \$data;
+ while ($fh->READ($ref, 4096)){
+ $md5->add($data);
+ }
+ my $hexdigest = $md5->hexdigest;
+ $eq += $hexdigest eq $cksum->{$basename}{'md5-ungz'};
+ }
+
+ if ($eq) {
+ $CPAN::Frontend->myprint("Checksum for $file ok\n");
+ return $self->{MD5_STATUS} = "OK";
} else {
$CPAN::Frontend->myprint(qq{Checksum mismatch for }.
qq{distribution file. }.
$self->{CPAN_USERID}
)->as_string);
my $wrap = qq{I\'d recommend removing $file. It seems to
-be a bogus file. Maybe you have configured your \`urllist\' with a
-bad URL. Please check this array with \`o conf urllist\', and
+be a bogus file. Maybe you have configured your \`urllist\' with a
+bad URL. Please check this array with \`o conf urllist\', and
retry.};
$CPAN::Frontend->myprint(Text::Wrap::wrap("","",$wrap));
$CPAN::Frontend->myprint("\n\n");
sleep 3;
return;
}
- close $fh if fileno($fh);
+ # close $fh if fileno($fh);
} else {
$self->{MD5_STATUS} ||= "";
if ($self->{MD5_STATUS} eq "NIL") {
sub eq_MD5 {
my($self,$fh,$expectMD5) = @_;
my $md5 = MD5->new;
- $md5->addfile($fh);
+ my($data);
+ while (read($fh, $data, 4096)){
+ $md5->add($data);
+ }
+ # $md5->addfile($fh);
my $hexdigest = $md5->hexdigest;
+ # warn "fh[$fh] hex[$hexdigest] aexp[$expectMD5]";
$hexdigest eq $expectMD5;
}
delete $self->{'writemakefile'};
}
+sub isa_perl {
+ my($self) = @_;
+ my $file = File::Basename::basename($self->id);
+ return unless $file =~ m{ ^ perl
+ (5)
+ ([._-])
+ (\d{3}(_[0-4][0-9])?)
+ \.tar[._-]gz
+ $
+ }x;
+ "$1.$3";
+}
+
#-> sub CPAN::Distribution::perl ;
sub perl {
my($self) = @_;
sub make {
my($self) = @_;
$CPAN::Frontend->myprint(sprintf "Running make for %s\n", $self->id);
+ # Emergency brake if they said install Pippi and get newest perl
+ if ($self->isa_perl) {
+ if (
+ $self->called_for ne $self->id && ! $self->{'force_update'}
+ ) {
+ $CPAN::Frontend->mydie(sprintf qq{
+The most recent version "%s" of the module "%s"
+comes with the current version of perl (%s).
+I\'ll build that only if you ask for something like
+ force install %s
+or
+ install %s
+},
+ $CPAN::META->instance(
+ 'CPAN::Module',
+ $self->called_for
+ )->cpan_version,
+ $self->called_for,
+ $self->isa_perl,
+ $self->called_for,
+ $self->id);
+ }
+ }
$self->get;
EXCUSE: {
my @e;
my $system;
if ($self->{'configure'}) {
- $system = $self->{'configure'};
+ $system = $self->{'configure'};
} else {
my($perl) = $self->perl or die "Couldn\'t find executable perl\n";
my $switch = "";
# if $] > 5.00310;
$system = "$perl $switch Makefile.PL $CPAN::Config->{makepl_arg}";
}
- {
+ unless (exists $self->{writemakefile}) {
local($SIG{ALRM}) = sub { die "inactivity_timeout reached\n" };
my($ret,$pid);
$@ = "";
if ($pid) { #parent
wait;
} else { #child
- exec $system;
+ # note, this exec isn't necessary if
+ # inactivity_timeout is 0. On the Mac I'd
+ # suggest, we set it always to 0.
+ exec $system;
}
} else {
$CPAN::Frontend->myprint("Cannot fork: $!");
return;
}
} else {
+ if (0) {
+ warn "Trying to intercept the output of 'perl Makefile.PL'";
+ require IO::File;
+ # my $fh = FileHandle->new("$system 2>&1 |") or
+ my $fh = IO::File->new("$system 2>&1 |") or
+ die "Couldn't run '$system': $!";
+ local($|) = 1;
+ while (length($_ = getc($fh))) {
+ print $_; # we want to parse that some day!
+ # unfortunately we have Makefile.PLs that want to talk
+ # and we can't emulate that reliably. I think, we have
+ # to parse Makefile.PL directly
+ }
+ $ret = $fh->close;
+ unless ($ret) {
+ warn $! ? "Error during 'perl Makefile.PL' subprocess: $!" :
+ "Exit status of 'perl Makefile.PL': $?";
+ $self->{writemakefile} = "NO";
+ return;
+ }
+ } else {
$ret = system($system);
if ($ret != 0) {
- $self->{writemakefile} = "NO";
- return;
+ $self->{writemakefile} = "NO";
+ return;
}
+ }
}
+ $self->{writemakefile} = "YES";
}
- $self->{writemakefile} = "YES";
return if $CPAN::Signal;
$system = join " ", $CPAN::Config->{'make'}, $CPAN::Config->{make_arg};
if (system($system) == 0) {
#-> sub CPAN::Bundle::test ;
sub test { shift->rematein('test',@_); }
#-> sub CPAN::Bundle::install ;
-sub install { shift->rematein('install',@_); }
+sub install {
+ my $self = shift;
+ $self->rematein('install',@_);
+ $CPAN::META->delete('CPAN::Queue',$self->id);
+}
#-> sub CPAN::Bundle::clean ;
sub clean { shift->rematein('clean',@_); }
if ($userid = $self->{'CPAN_USERID'} || $self->{'userid'}){
my $author;
if ($author = CPAN::Shell->expand('Author',$userid)) {
- push @m, sprintf(
- $sprintf2,
- 'CPAN_USERID',
- $userid,
- $author->fullname
- );
+ my $email = "";
+ my $m; # old perls
+ if ($m = $author->email) {
+ $email = " <$m>";
+ }
+ push @m, sprintf(
+ $sprintf2,
+ 'CPAN_USERID',
+ $userid,
+ $author->fullname . $email
+ );
}
}
push @m, sprintf($sprintf, 'CPAN_VERSION', $self->{CPAN_VERSION})
$stati{$self->{stati}}
) if $self->{statd};
my $local_file = $self->inst_file;
- if ($local_file && ! exists $self->{MANPAGE}) {
- my $fh = FileHandle->new($local_file)
- or Carp::croak("Couldn't open $local_file: $!");
- my $inpod = 0;
- my(@result);
- local $/ = "\n";
- while (<$fh>) {
- $inpod = /^=(?!head1\s+NAME)/ ? 0 :
- /^=head1\s+NAME/ ? 1 : $inpod;
- next unless $inpod;
- next if /^=/;
- next if /^\s+$/;
- chomp;
- push @result, $_;
- }
- close $fh;
- $self->{MANPAGE} = join " ", @result;
+ if ($local_file) {
+ $self->{MANPAGE} ||= $self->manpage_headline($local_file);
}
my($item);
for $item (qw/MANPAGE CONTAINS/) {
join "", @m, "\n";
}
+sub manpage_headline {
+ my($self,$local_file) = @_;
+ my(@local_file) = $local_file;
+ $local_file =~ s/\.pm$/.pod/;
+ push @local_file, $local_file;
+ my(@result,$locf);
+ for $locf (@local_file) {
+ next unless -f $locf;
+ my $fh = FileHandle->new($locf)
+ or $Carp::Frontend->mydie("Couldn't open $locf: $!");
+ my $inpod = 0;
+ local $/ = "\n";
+ while (<$fh>) {
+ $inpod = /^=(?!head1\s+NAME)/ ? 0 :
+ /^=head1\s+NAME/ ? 1 : $inpod;
+ next unless $inpod;
+ next if /^=/;
+ next if /^\s+$/;
+ chomp;
+ push @result, $_;
+ }
+ close $fh;
+ last if @result;
+ }
+ join " ", @result;
+}
+
#-> sub CPAN::Module::cpan_file ;
sub cpan_file {
my $self = shift;
} elsif (exists $self->{'userid'} && defined $self->{'userid'}) {
my $fullname = $CPAN::META->instance(CPAN::Author,
$self->{'userid'})->fullname;
- unless (defined $fullname) {
- $CPAN::Frontend->mywarn(qq{Full name of author }.
- qq{$self->{userid} not known});
- return "Contact Author $self->{userid}";
+ my $email = $CPAN::META->instance(CPAN::Author,
+ $self->{'userid'})->email;
+ unless (defined $fullname && defined $email) {
+ return "Contact Author $self->{userid} (Try ``a $self->{userid}'')";
}
- return "Contact Author $self->{userid} ($fullname)"
+ return "Contact Author $fullname <$email>";
} else {
return "N/A";
}
my($self,$meth) = @_;
$self->debug($self->id) if $CPAN::DEBUG;
my $cpan_file = $self->cpan_file;
- return if $cpan_file eq "N/A";
- return if $cpan_file =~ /^Contact Author/;
+ if ($cpan_file eq "N/A" || $cpan_file =~ /^Contact Author/){
+ $CPAN::Frontend->mywarn(sprintf qq{
+ The module %s isn\'t available on CPAN.
+
+ Either the module has not yet been uploaded to CPAN, or it is
+ temporary unavailable. Please contact the author to find out
+ more about the status. Try ``i %s''.
+},
+ $self->id,
+ $self->id,
+ );
+ return;
+ }
my $pack = $CPAN::META->instance('CPAN::Distribution',$cpan_file);
$pack->called_for($self->id);
$pack->force if exists $self->{'force_update'};
}
}
$self->rematein('install') if $doit;
+ $CPAN::META->delete('CPAN::Queue',$self->id);
}
#-> sub CPAN::Module::clean ;
sub clean { shift->rematein('clean') }
$have;
}
+package CPAN::Tarzip;
+
+sub gzip {
+ my($class,$read,$write) = @_;
+ if ($CPAN::META->has_inst("Compress::Zlib")) {
+ my($buffer,$fhw);
+ $fhw = FileHandle->new($read)
+ or $CPAN::Frontend->mydie("Could not open $read: $!");
+ my $gz = Compress::Zlib::gzopen($write, "wb")
+ or $CPAN::Frontend->mydie("Cannot gzopen $write: $!\n");
+ $gz->gzwrite($buffer)
+ while read($fhw,$buffer,4096) > 0 ;
+ $gz->gzclose() ;
+ $fhw->close;
+ return 1;
+ } else {
+ system("$CPAN::Config->{'gzip'} -c $read > $write")==0;
+ }
+}
+
+sub gunzip {
+ my($class,$read,$write) = @_;
+ if ($CPAN::META->has_inst("Compress::Zlib")) {
+ my($buffer,$fhw);
+ $fhw = FileHandle->new(">$write")
+ or $CPAN::Frontend->mydie("Could not open >$write: $!");
+ my $gz = Compress::Zlib::gzopen($read, "rb")
+ or $CPAN::Frontend->mydie("Cannot gzopen $read: $!\n");
+ $fhw->print($buffer)
+ while $gz->gzread($buffer) > 0 ;
+ $CPAN::Frontend->mydie("Error reading from $read: $!\n")
+ if $gz->gzerror != Compress::Zlib::Z_STREAM_END();
+ $gz->gzclose() ;
+ $fhw->close;
+ return 1;
+ } else {
+ system("$CPAN::Config->{'gzip'} -dc $read > $write")==0;
+ }
+}
+
+sub gtest {
+ my($class,$read) = @_;
+ if ($CPAN::META->has_inst("Compress::Zlib")) {
+ my($buffer);
+ my $gz = Compress::Zlib::gzopen($read, "rb")
+ or $CPAN::Frontend->mydie("Cannot open $read: $!\n");
+ 1 while $gz->gzread($buffer) > 0 ;
+ $CPAN::Frontend->mydie("Error reading from $read: $!\n")
+ if $gz->gzerror != Compress::Zlib::Z_STREAM_END();
+ $gz->gzclose() ;
+ return 1;
+ } else {
+ return system("$CPAN::Config->{'gzip'} -dt $read")==0;
+ }
+}
+
+sub TIEHANDLE {
+ my($class,$file) = @_;
+ my $ret;
+ $class->debug("file[$file]");
+ if ($CPAN::META->has_inst("Compress::Zlib")) {
+ my $gz = Compress::Zlib::gzopen($file,"rb") or
+ die "Could not gzopen $file";
+ $ret = bless {GZ => $gz}, $class;
+ } else {
+ my $pipe = "$CPAN::Config->{'gzip'} --decompress --stdout $file |";
+ my $fh = FileHandle->new($pipe) or die "Could pipe[$pipe]: $!";
+ binmode $fh;
+ $ret = bless {FH => $fh}, $class;
+ }
+ $ret;
+}
+
+sub READLINE {
+ my($self) = @_;
+ if (exists $self->{GZ}) {
+ my $gz = $self->{GZ};
+ my($line,$bytesread);
+ $bytesread = $gz->gzreadline($line);
+ return undef if $bytesread == 0;
+ return $line;
+ } else {
+ my $fh = $self->{FH};
+ return scalar <$fh>;
+ }
+}
+
+sub READ {
+ my($self,$ref,$length,$offset) = @_;
+ die "read with offset not implemented" if defined $offset;
+ if (exists $self->{GZ}) {
+ my $gz = $self->{GZ};
+ my $byteread = $gz->gzread($$ref,$length);# 30eaf79e8b446ef52464b5422da328a8
+ return $byteread;
+ } else {
+ my $fh = $self->{FH};
+ return read($fh,$$ref,$length);
+ }
+}
+
+sub DESTROY {
+ my($self) = @_;
+ if (exists $self->{GZ}) {
+ my $gz = $self->{GZ};
+ $gz->gzclose();
+ } else {
+ my $fh = $self->{FH};
+ $fh->close;
+ }
+ undef $self;
+}
+
+sub untar {
+ my($class,$file) = @_;
+ # had to disable, because version 0.07 seems to be buggy
+ if (MM->maybe_command($CPAN::Config->{'gzip'})
+ &&
+ MM->maybe_command($CPAN::Config->{'tar'})) {
+ my $system = "$CPAN::Config->{'gzip'} --decompress --stdout " .
+ "$file | $CPAN::Config->{tar} xvf -";
+ return system($system) == 0;
+ } elsif ($CPAN::META->has_inst("Archive::Tar")
+ &&
+ $CPAN::META->has_inst("Compress::Zlib") ) {
+ my $tar = Archive::Tar->new($file,1);
+ $tar->extract($tar->list_files); # I'm pretty sure we have nothing
+ # that isn't compressed
+ return 1;
+ } else {
+ $CPAN::Frontend->mydie(qq{
+CPAN.pm needs either both external programs tar and gzip installed or
+both the modules Archive::Tar and Compress::Zlib. Neither prerequisite
+is available. Can\'t continue.
+});
+ }
+}
+
package CPAN;
1;
perl -MCPAN -e shell
-which puts you into a readline interface. You will have most fun if
+which puts you into a readline interface. You will have the most fun if
you install Term::ReadKey and Term::ReadLine to enjoy both history and
-completion.
+command completion.
Once you are on the command line, type 'h' and the rest should be
self-explanatory.
mentioned four. Each of the four entities is implemented as a class
with slightly differing methods for displaying an object.
-Arguments you pass to these commands are either strings matching exact
+Arguments you pass to these commands are either strings exactly matching
the identification string of an object or regular expressions that are
then matched case-insensitively against various attributes of the
-objects. The parser recognizes a regualar expression only if you
+objects. The parser recognizes a regular expression only if you
enclose it between two slashes.
The principle is that the number of found objects influences how an
-item is displayed. If the search finds one item, we display the result
-of object-E<gt>as_string, but if we find more than one, we display
+item is displayed. If the search finds one item, the result is displayed
+as object-E<gt>as_string, but if we find more than one, we display
each as object-E<gt>as_glimpse. E.g.
cpan> a ANDK
=item make, test, install, clean modules or distributions
-These commands do indeed exist just as written above. Each of them
-takes any number of arguments and investigates for each what it might
-be. Is it a distribution file (recognized by embedded slashes), this
-file is being processed. Is it a module, CPAN determines the
-distribution file where this module is included and processes that.
+These commands take any number of arguments and investigate what is
+necessary to perform the action. If the argument is a distribution
+file name (recognized by embedded slashes), it is processed. If it is a
+module, CPAN determines the distribution file in which this module is
+included and processes that.
-Any C<make>, C<test>, and C<readme> are run unconditionally. A
+Any C<make> or C<test> are run unconditionally. An
install <distribution_file>
-also is run unconditionally. But for
+also is run unconditionally. But for
install <module>
CPAN checks if an install is actually needed for it and prints
-I<Foo up to date> in case the module doesnE<39>t need to be updated.
+I<module up to date> in the case that the distribution file containing
+the module doesnE<39>t need to be updated.
CPAN also keeps track of what it has done within the current session
and doesnE<39>t try to build a package a second time regardless if it
-succeeded or not. The C<force > command takes as first argument the
-method to invoke (currently: make, test, or install) and executes the
+succeeded or not. The C<force> command takes as a first argument the
+method to invoke (currently: C<make>, C<test>, or C<install>) and executes the
command from scratch.
Example:
OpenGL-0.4/COPYRIGHT
[...]
+A C<clean> command results in a
+
+ make clean
+
+being executed within the distribution file's working directory.
+
=item readme, look module or distribution
These two commands take only one argument, be it a module or a
-distribution file. C<readme> displays the README of the associated
-distribution file. C<Look> gets and untars (if not yet done) the
-distribution file, changes to the appropriate directory and opens a
-subshell process in that directory.
+distribution file. C<readme> unconditionally runs, displaying the
+README of the associated distribution file. C<Look> gets and
+untars (if not yet done) the distribution file, changes to the
+appropriate directory and opens a subshell process in that directory.
+
+=item Signals
+
+CPAN.pm installs signal handlers for SIGINT and SIGTERM. While you are
+in the cpan-shell it is intended that you can press C<^C> anytime and
+return to the cpan-shell prompt. A SIGTERM will cause the cpan-shell
+to clean up and leave the shell loop. You can emulate the effect of a
+SIGTERM by sending two consecutive SIGINTs, which usually means by
+pressing C<^C> twice.
+
+CPAN.pm ignores a SIGPIPE. If the user sets inactivity_timeout, a
+SIGALRM is used during the run of the C<perl Makefile.PL> subprocess.
=back
recompile() is a very special command in that it takes no argument and
runs the make/test/install cycle with brute force over all installed
dynamically loadable extensions (aka XS modules) with 'force' in
-effect. Primary purpose of this command is to finish a network
+effect. The primary purpose of this command is to finish a network
installation. Imagine, you have a common source tree for two different
architectures. You decide to do a completely independent fresh
installation. You start on one architecture with the help of a Bundle
file produced earlier. CPAN installs the whole Bundle for you, but
when you try to repeat the job on the second architecture, CPAN
responds with a C<"Foo up to date"> message for all modules. So you
-will be glad to run recompile in the second architecture and
-youE<39>re done.
+invoke CPAN's recompile on the second architecture and youE<39>re done.
Another popular use for C<recompile> is to act as a rescue in case your
perl breaks binary compatibility. If one of the modules that CPAN uses
=head2 The four C<CPAN::*> Classes: Author, Bundle, Module, Distribution
-Although it may be considered internal, the class hierarchie does
-matter for both users and programmer. CPAN.pm deals with above
-mentioned four classes, and all those classes share a set of
-methods. It is a classical single polymorphism that is in effect. A
-metaclass object registers all objects of all kinds and indexes them
-with a string. The strings referencing objects have a separated
-namespace (well, not completely separated):
+Although it may be considered internal, the class hierarchy does matter
+for both users and programmer. CPAN.pm deals with above mentioned four
+classes, and all those classes share a set of methods. A classical
+single polymorphism is in effect. A metaclass object registers all
+objects of all kinds and indexes them with a string. The strings
+referencing objects have a separated namespace (well, not completely
+separated):
Namespace Class
everything else Module or Author
Modules know their associated Distribution objects. They always refer
-to the most recent official release. Developers may mark their
-releases as unstable development versions (by inserting an underbar
-into the visible version number), so not always is the default
-distribution for a given module the really hottest and newest. If a
-module Foo circulates on CPAN in both version 1.23 and 1.23_90,
-CPAN.pm offers a convenient way to install version 1.23 by saying
+to the most recent official release. Developers may mark their releases
+as unstable development versions (by inserting an underbar into the
+visible version number), so the really hottest and newest distribution
+file is not always the default. If a module Foo circulates on CPAN in
+both version 1.23 and 1.23_90, CPAN.pm offers a convenient way to
+install version 1.23 by saying
install Foo
This would install the complete distribution file (say
-BAR/Foo-1.23.tar.gz) with all accompanying material in there. But if
-you would like to install version 1.23_90, you need to know where the
+BAR/Foo-1.23.tar.gz) with all accompanying material. But if you would
+like to install version 1.23_90, you need to know where the
distribution file resides on CPAN relative to the authors/id/
-directory. If the author is BAR, this might be BAR/Foo-1.23_90.tar.gz,
+directory. If the author is BAR, this might be BAR/Foo-1.23_90.tar.gz;
so you would have to say
install BAR/Foo-1.23_90.tar.gz
available as methods (C<CPAN::Shell-E<gt>install(...)>) and as
functions in the calling package (C<install(...)>).
-There's currently only one class that has a stable interface,
+There's currently only one class that has a stable interface -
CPAN::Shell. All commands that are available in the CPAN shell are
methods of the class CPAN::Shell. Each of the commands that produce
listings of modules (C<r>, C<autobundle>, C<u>) returns a list of the
It starts like a perl module with a package declaration and a $VERSION
variable. After that the pod section looks like any other pod with the
-only difference, that I<one special pod section> exists starting with
+only difference being that I<one special pod section> exists starting with
(verbatim):
=head1 CONTENTS
Module_Name [Version_String] [- optional text]
The only required part is the first field, the name of a module
-(eg. Foo::Bar, ie. I<not> the name of the distribution file). The rest
+(e.g. Foo::Bar, ie. I<not> the name of the distribution file). The rest
of the line is optional. The comment part is delimited by a dash just
as in the man page header.
Bundles are treated specially in the CPAN package. If you say 'install
Bundle::Tkkit' (assuming such a bundle exists), CPAN will install all
-the modules in the CONTENTS section of the pod. You can install your
+the modules in the CONTENTS section of the pod. You can install your
own Bundles locally by placing a conformant Bundle file somewhere into
your @INC path. The autobundle() command which is available in the
shell interface does that for you by including all currently installed
implemented for an external ftp command or for an external lynx
command.
+=head2 Finding packages and VERSION
+
This module presumes that all packages on CPAN
=over 2
=item *
declare their $VERSION variable in an easy to parse manner. This
-prerequisite can hardly be relaxed because it consumes by far too much
+prerequisite can hardly be relaxed because it consumes far too much
memory to load all packages into the running program just to determine
-the $VERSION variable . Currently all programs that are dealing with
+the $VERSION variable. Currently all programs that are dealing with
version use something like this
perl -MExtUtils::MakeMaker -le \
=item *
come as compressed or gzipped tarfiles or as zip files and contain a
-Makefile.PL (well we try to handle a bit more, but without much
+Makefile.PL (well, we try to handle a bit more, but without much
enthusiasm).
=back
In interactive mode you can try "o debug" which will list options for
debugging the various parts of the package. The output may not be very
-useful for you as it's just a byproduct of my own testing, but if you
+useful for you as it's just a by-product of my own testing, but if you
have an idea which part of the package may have a bug, it's sometimes
worth to give it a try and send me more specific output. You should
know that "o debug" has built-in completion support.
=head1 CONFIGURATION
-When the CPAN module is installed a site wide configuration file is
+When the CPAN module is installed, a site wide configuration file is
created as CPAN/Config.pm. The default values defined there can be
overridden in another configuration file: CPAN/MyConfig.pm. You can
store this file in $HOME/.cpan/CPAN/MyConfig.pm if you want, because
build_cache size of cache for directories to build modules
build_dir locally accessible directory to build modules
- index_expire after how many days refetch index files
+ index_expire after this many days refetch index files
cpan_home local directory reserved for this package
gzip location of external program gzip
- inactivity_timeout breaks interactive Makefile.PLs after that
+ inactivity_timeout breaks interactive Makefile.PLs after this
many seconds inactivity. Set to 0 to never break.
inhibit_startup_message
if true, does not print the startup message
keep_source keep the source in a local directory?
- keep_source_where where keep the source (if we do)
- make location of external program make
+ keep_source_where directory in which to keep the source (if we do)
+ make location of external make program
make_arg arguments that should always be passed to 'make'
make_install_arg same as make_arg for 'make install'
makepl_arg arguments passed to 'perl Makefile.PL'
tar location of external program tar
unzip location of external program unzip
urllist arrayref to nearby CPAN sites (or equivalent locations)
+ wait_list arrayref to a wait server to try (See CPAN::WAIT)
You can set and query each of these options interactively in the cpan
shell with the command set defined within the C<o conf> command:
=head1 BUGS
-we should give coverage for _all_ of the CPAN and not just the
-PAUSE part, right? In this discussion CPAN and PAUSE have become
-equal -- but they are not. PAUSE is authors/ and modules/. CPAN is
-PAUSE plus the clpa/, doc/, misc/, ports/, src/, scripts/.
+We should give coverage for _all_ of the CPAN and not just the PAUSE
+part, right? In this discussion CPAN and PAUSE have become equal --
+but they are not. PAUSE is authors/ and modules/. CPAN is PAUSE plus
+the clpa/, doc/, misc/, ports/, src/, scripts/.
Future development should be directed towards a better integration of
the other parts.
+If a Makefile.PL requires special customization of libraries, prompts
+the user for special input, etc. then you may find CPAN is not able to
+build the distribution. In that case, you should attempt the
+traditional method of building a Perl module package from a shell.
+
=head1 AUTHOR
Andreas König E<lt>a.koenig@mind.deE<gt>
projects / platform / upstream / perl.git / commitdiff