[p5sagit/p5-mst-13.2.git] / lib / CPAN / HandleConfig.pm

package CPAN::HandleConfig;
use strict;
use vars qw(%can %keys $dot_cpan $VERSION);

$VERSION = sprintf "%.2f", substr(q$Rev: 423 $,4)/100;

%can = (
  'commit' => "Commit changes to disk",
  'defaults' => "Reload defaults from disk",
  'init'   => "Interactive setting of all options",
);

%keys = map { $_ => undef } qw(
    build_cache build_dir bzip2
    cache_metadata commandnumber_in_prompt cpan_home curl
    dontload_hash
    ftp ftp_proxy
    getcwd gpg gzip
    histfile histsize http_proxy
    inactivity_timeout index_expire inhibit_startup_message
    keep_source_where
    lynx
    make make_arg make_install_arg make_install_make_command makepl_arg
    mbuild_arg mbuild_install_arg mbuild_install_build_command mbuildpl_arg
    ncftp ncftpget no_proxy pager
    prefer_installer prerequisites_policy
    scan_cache shell show_upload_date
    tar term_is_latin
    unzip urllist
    wait_list wget
);

# returns true on successful action
sub edit {
    my($self,@args) = @_;
    return unless @args;
    CPAN->debug("self[$self]args[".join(" | ",@args)."]");
    my($o,$str,$func,$args,$key_exists);
    $o = shift @args;
    $DB::single = 1;
    if($can{$o}) {
	$self->$o(args => \@args);
	return 1;
    } else {
        CPAN->debug("o[$o]") if $CPAN::DEBUG;
        unless (exists $keys{$o}) {
            $CPAN::Frontend->mywarn("Warning: unknown configuration variable '$o'\n");
        }
	if ($o =~ /list$/) {
	    $func = shift @args;
	    $func ||= "";
            CPAN->debug("func[$func]") if $CPAN::DEBUG;
            my $changed;
	    # Let's avoid eval, it's easier to comprehend without.
	    if ($func eq "push") {
		push @{$CPAN::Config->{$o}}, @args;
                $changed = 1;
	    } elsif ($func eq "pop") {
		pop @{$CPAN::Config->{$o}};
                $changed = 1;
	    } elsif ($func eq "shift") {
		shift @{$CPAN::Config->{$o}};
                $changed = 1;
	    } elsif ($func eq "unshift") {
		unshift @{$CPAN::Config->{$o}}, @args;
                $changed = 1;
	    } elsif ($func eq "splice") {
		splice @{$CPAN::Config->{$o}}, @args;
                $changed = 1;
	    } elsif (@args) {
		$CPAN::Config->{$o} = [@args];
                $changed = 1;
	    } else {
                $self->prettyprint($o);
	    }
            if ($o eq "urllist" && $changed) {
                # reset the cached values
                undef $CPAN::FTP::Thesite;
                undef $CPAN::FTP::Themethod;
            }
            return $changed;
	} else {
	    $CPAN::Config->{$o} = $args[0] if defined $args[0];
	    $self->prettyprint($o);
	}
    }
}

sub prettyprint {
  my($self,$k) = @_;
  my $v = $CPAN::Config->{$k};
  if (ref $v) {
    my(@report);
    if (ref $v eq "ARRAY") {
      @report = map {"\t[$_]\n"} @$v;
    } else {
      @report = map { sprintf("\t%-18s => %s\n",
                              map { "[$_]" } $_,
                              defined $v->{$_} ? $v->{$_} : "UNDEFINED"
                             )} keys %$v;
    }
    $CPAN::Frontend->myprint(
                             join(
                                  "",
                                  sprintf(
                                          "    %-18s\n",
                                          $k
                                         ),
                                  @report
                                 )
                            );
  } elsif (defined $v) {
    $CPAN::Frontend->myprint(sprintf "    %-18s [%s]\n", $k, $v);
  } else {
    $CPAN::Frontend->myprint(sprintf "    %-18s [%s]\n", $k, "UNDEFINED");
  }
}

sub commit {
    my($self,@args) = @_;
    my $configpm;
    if (@args) {
      if ($args[0] eq "args") {
        # we have not signed that contract
      } else {
        $configpm = $args[0];
      }
    }
    unless (defined $configpm){
	$configpm ||= $INC{"CPAN/MyConfig.pm"};
	$configpm ||= $INC{"CPAN/Config.pm"};
	$configpm || Carp::confess(q{
CPAN::Config::commit called without an argument.
Please specify a filename where to save the configuration or try
"o conf init" to have an interactive course through configing.
});
    }
    my($mode);
    if (-f $configpm) {
	$mode = (stat $configpm)[2];
	if ($mode && ! -w _) {
	    Carp::confess("$configpm is not writable");
	}
    }

    my $msg;
    $msg = <<EOF unless $configpm =~ /MyConfig/;

# 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.

EOF
    $msg ||= "\n";
    my($fh) = FileHandle->new;
    rename $configpm, "$configpm~" if -f $configpm;
    open $fh, ">$configpm" or
        $CPAN::Frontend->mydie("Couldn't open >$configpm: $!");
    $fh->print(qq[$msg\$CPAN::Config = \{\n]);
    foreach (sort keys %$CPAN::Config) {
	$fh->print(
		   "  '$_' => ",
		   ExtUtils::MakeMaker::neatvalue($CPAN::Config->{$_}),
		   ",\n"
		  );
    }

    $fh->print("};\n1;\n__END__\n");
    close $fh;

    #$mode = 0444 | ( $mode & 0111 ? 0111 : 0 );
    #chmod $mode, $configpm;
###why was that so?    $self->defaults;
    $CPAN::Frontend->myprint("commit: wrote '$configpm'\n");
    1;
}

*default = \&defaults;
sub defaults {
    my($self) = @_;
    $self->unload;
    $self->load;
    1;
}

sub init {
    my($self,@args) = @_;
    undef $CPAN::Config->{'inhibit_startup_message'}; # lazy trick to
                                                      # have the least
                                                      # important
                                                      # variable
                                                      # undefined
    $self->load(@args);
    1;
}

# This is a piece of repeated code that is abstracted here for
# maintainability.  RMB
#
sub _configpmtest {
    my($configpmdir, $configpmtest) = @_; 
    if (-w $configpmtest) {
        return $configpmtest;
    } elsif (-w $configpmdir) {
        #_#_# following code dumped core on me with 5.003_11, a.k.
        my $configpm_bak = "$configpmtest.bak";
        unlink $configpm_bak if -f $configpm_bak;
        if( -f $configpmtest ) {
            if( rename $configpmtest, $configpm_bak ) {
				$CPAN::Frontend->mywarn(<<END);
Old configuration file $configpmtest
    moved to $configpm_bak
END
	    }
	}
	my $fh = FileHandle->new;
	if ($fh->open(">$configpmtest")) {
	    $fh->print("1;\n");
	    return $configpmtest;
	} else {
	    # Should never happen
	    Carp::confess("Cannot open >$configpmtest");
	}
    } else { return }
}

sub load {
    my($self, %args) = @_;
	$CPAN::Be_Silent++ if $args{be_silent};

    my(@miss);
    use Carp;
    unless ($INC{"CPAN/MyConfig.pm"}) { # this guy has settled his needs already
      eval {require CPAN::Config;}; # not everybody has one
    }
    unless ($dot_cpan++){
      unshift @INC, File::Spec->catdir($ENV{HOME},".cpan");
      eval {require CPAN::MyConfig;}; # override system wide settings
      shift @INC;
    }
    return unless @miss = $self->missing_config_data;

    require CPAN::FirstTime;
    my($configpm,$fh,$redo,$theycalled);
    $redo ||= "";
    $theycalled++ if @miss==1 && $miss[0] eq 'inhibit_startup_message';
    if (defined $INC{"CPAN/Config.pm"} && -w $INC{"CPAN/Config.pm"}) {
	$configpm = $INC{"CPAN/Config.pm"};
	$redo++;
    } elsif (defined $INC{"CPAN/MyConfig.pm"} && -w $INC{"CPAN/MyConfig.pm"}) {
	$configpm = $INC{"CPAN/MyConfig.pm"};
	$redo++;
    } else {
	my($path_to_cpan) = File::Basename::dirname($INC{"CPAN.pm"});
	my($configpmdir) = File::Spec->catdir($path_to_cpan,"CPAN");
	my($configpmtest) = File::Spec->catfile($configpmdir,"Config.pm");
	if (-d $configpmdir or File::Path::mkpath($configpmdir)) {
	    $configpm = _configpmtest($configpmdir,$configpmtest); 
	}
	unless ($configpm) {
	    $configpmdir = File::Spec->catdir($ENV{HOME},".cpan","CPAN");
	    File::Path::mkpath($configpmdir);
	    $configpmtest = File::Spec->catfile($configpmdir,"MyConfig.pm");
	    $configpm = _configpmtest($configpmdir,$configpmtest); 
	    unless ($configpm) {
			my $text = qq{WARNING: CPAN.pm is unable to } .
			  qq{create a configuration file.}; 
			output($text, 'confess');
	    }
	}
    }
    local($") = ", ";
    $CPAN::Frontend->myprint(<<END) if $redo && ! $theycalled;
Sorry, we have to rerun the configuration dialog for CPAN.pm due to
the following indispensable but missing parameters:

@miss
END
    $CPAN::Frontend->myprint(qq{
$configpm initialized.
});

    sleep 2;
    CPAN::FirstTime::init($configpm, %args);
}

sub missing_config_data {
    my(@miss);
    for (
         "build_cache",
         "build_dir",
         "cache_metadata",
         "cpan_home",
         "ftp_proxy",
         "gzip",
         "http_proxy",
         "index_expire",
         "inhibit_startup_message",
         "keep_source_where",
         "make",
         "make_arg",
         "make_install_arg",
         "makepl_arg",
         "mbuild_arg",
         "mbuild_install_arg",
         "mbuild_install_build_command",
         "mbuildpl_arg",
         "no_proxy",
         "pager",
         "prerequisites_policy",
         "scan_cache",
         "tar",
         "unzip",
         "urllist",
        ) {
	push @miss, $_ unless defined $CPAN::Config->{$_};
    }
    return @miss;
}

sub unload {
    delete $INC{'CPAN/MyConfig.pm'};
    delete $INC{'CPAN/Config.pm'};
}

sub help {
    $CPAN::Frontend->myprint(q[
Known options:
  defaults  reload default config values from disk
  commit    commit session changes to disk
  init      go through a dialog to set all parameters

You may edit key values in the follow fashion (the "o" is a literal
letter o):

  o conf build_cache 15

  o conf build_dir "/foo/bar"

  o conf urllist shift

  o conf urllist unshift ftp://ftp.foo.bar/

]);
    undef; #don't reprint CPAN::Config
}

sub cpl {
    my($word,$line,$pos) = @_;
    $word ||= "";
    CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
    my(@words) = split " ", substr($line,0,$pos+1);
    if (
	defined($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) {
	return ();
    }
    my %seen;
    my(@o_conf) =  sort grep { !$seen{$_}++ }
        keys %can,
            keys %$CPAN::Config,
                keys %keys;
    return grep /^\Q$word\E/, @o_conf;
}


package ####::###### #hide from indexer
    CPAN::Config;
# note: J. Nick Koston wrote me that they are using
# CPAN::Config->commit although undocumented. I suggested
# CPAN::Shell->o("conf","commit") even when ugly it is at least
# documented

# that's why I added the CPAN::Config class with autoload and
# deprecated warning

use strict;
use vars qw($AUTOLOAD $VERSION);
$VERSION = sprintf "%.2f", substr(q$Rev: 423 $,4)/100;

# formerly CPAN::HandleConfig was known as CPAN::Config
sub AUTOLOAD {
  my($l) = $AUTOLOAD;
  $CPAN::Frontend->mywarn("Dispatching deprecated method '$l' to CPAN::HandleConfig");
  $l =~ s/.*:://;
  CPAN::HandleConfig->$l(@_);
}

1;

__END__
# Local Variables:
# mode: cperl
# cperl-indent-level: 2
# End:
Commit	Line	Data
e82b9348	1	package CPAN::HandleConfig;
e82b9348	2	use strict;
1a43333d	3	use vars qw(%can %keys $dot_cpan $VERSION);
1a43333d	4
9ddc4ed0	5	$VERSION = sprintf "%.2f", substr(q$Rev: 423 $,4)/100;
e82b9348	6
	7	%can = (
	8	'commit' => "Commit changes to disk",
	9	'defaults' => "Reload defaults from disk",
	10	'init' => "Interactive setting of all options",
	11	);
	12
	13	%keys = map { $_ => undef } qw(
	14	build_cache build_dir bzip2
9ddc4ed0	15	cache_metadata commandnumber_in_prompt cpan_home curl
e82b9348	16	dontload_hash
	17	ftp ftp_proxy
	18	getcwd gpg gzip
	19	histfile histsize http_proxy
	20	inactivity_timeout index_expire inhibit_startup_message
	21	keep_source_where
	22	lynx
	23	make make_arg make_install_arg make_install_make_command makepl_arg
	24	mbuild_arg mbuild_install_arg mbuild_install_build_command mbuildpl_arg
	25	ncftp ncftpget no_proxy pager
	26	prefer_installer prerequisites_policy
	27	scan_cache shell show_upload_date
	28	tar term_is_latin
	29	unzip urllist
	30	wait_list wget
	31	);
	32
	33	# returns true on successful action
	34	sub edit {
	35	my($self,@args) = @_;
	36	return unless @args;
	37	CPAN->debug("self[$self]args[".join(" \| ",@args)."]");
	38	my($o,$str,$func,$args,$key_exists);
	39	$o = shift @args;
9ddc4ed0	40	$DB::single = 1;
e82b9348	41	if($can{$o}) {
9ddc4ed0	42	$self->$o(args => \@args);
e82b9348	43	return 1;
	44	} else {
	45	CPAN->debug("o[$o]") if $CPAN::DEBUG;
	46	unless (exists $keys{$o}) {
	47	$CPAN::Frontend->mywarn("Warning: unknown configuration variable '$o'\n");
	48	}
	49	if ($o =~ /list$/) {
	50	$func = shift @args;
	51	$func \|\|= "";
	52	CPAN->debug("func[$func]") if $CPAN::DEBUG;
	53	my $changed;
	54	# Let's avoid eval, it's easier to comprehend without.
	55	if ($func eq "push") {
	56	push @{$CPAN::Config->{$o}}, @args;
	57	$changed = 1;
	58	} elsif ($func eq "pop") {
	59	pop @{$CPAN::Config->{$o}};
	60	$changed = 1;
	61	} elsif ($func eq "shift") {
	62	shift @{$CPAN::Config->{$o}};
	63	$changed = 1;
	64	} elsif ($func eq "unshift") {
	65	unshift @{$CPAN::Config->{$o}}, @args;
	66	$changed = 1;
	67	} elsif ($func eq "splice") {
	68	splice @{$CPAN::Config->{$o}}, @args;
	69	$changed = 1;
	70	} elsif (@args) {
	71	$CPAN::Config->{$o} = [@args];
	72	$changed = 1;
	73	} else {
	74	$self->prettyprint($o);
	75	}
	76	if ($o eq "urllist" && $changed) {
	77	# reset the cached values
	78	undef $CPAN::FTP::Thesite;
	79	undef $CPAN::FTP::Themethod;
	80	}
	81	return $changed;
	82	} else {
	83	$CPAN::Config->{$o} = $args[0] if defined $args[0];
	84	$self->prettyprint($o);
	85	}
	86	}
	87	}
	88
	89	sub prettyprint {
	90	my($self,$k) = @_;
	91	my $v = $CPAN::Config->{$k};
	92	if (ref $v) {
9ddc4ed0	93	my(@report);
	94	if (ref $v eq "ARRAY") {
	95	@report = map {"\t[$_]\n"} @$v;
	96	} else {
	97	@report = map { sprintf("\t%-18s => %s\n",
	98	map { "[$_]" } $_,
	99	defined $v->{$_} ? $v->{$_} : "UNDEFINED"
	100	)} keys %$v;
	101	}
e82b9348	102	$CPAN::Frontend->myprint(
	103	join(
	104	"",
	105	sprintf(
	106	" %-18s\n",
	107	$k
	108	),
9ddc4ed0	109	@report
e82b9348	110	)
	111	);
	112	} elsif (defined $v) {
	113	$CPAN::Frontend->myprint(sprintf " %-18s [%s]\n", $k, $v);
	114	} else {
	115	$CPAN::Frontend->myprint(sprintf " %-18s [%s]\n", $k, "UNDEFINED");
	116	}
	117	}
	118
	119	sub commit {
9ddc4ed0	120	my($self,@args) = @_;
	121	my $configpm;
	122	if (@args) {
	123	if ($args[0] eq "args") {
	124	# we have not signed that contract
	125	} else {
	126	$configpm = $args[0];
	127	}
	128	}
e82b9348	129	unless (defined $configpm){
	130	$configpm \|\|= $INC{"CPAN/MyConfig.pm"};
	131	$configpm \|\|= $INC{"CPAN/Config.pm"};
	132	$configpm \|\| Carp::confess(q{
	133	CPAN::Config::commit called without an argument.
	134	Please specify a filename where to save the configuration or try
	135	"o conf init" to have an interactive course through configing.
	136	});
	137	}
	138	my($mode);
	139	if (-f $configpm) {
	140	$mode = (stat $configpm)[2];
	141	if ($mode && ! -w _) {
	142	Carp::confess("$configpm is not writable");
	143	}
	144	}
	145
	146	my $msg;
	147	$msg = <<EOF unless $configpm =~ /MyConfig/;
	148
	149	# This is CPAN.pm's systemwide configuration file. This file provides
	150	# defaults for users, and the values can be changed in a per-user
	151	# configuration file. The user-config file is being looked for as
	152	# ~/.cpan/CPAN/MyConfig.pm.
	153
	154	EOF
	155	$msg \|\|= "\n";
	156	my($fh) = FileHandle->new;
	157	rename $configpm, "$configpm~" if -f $configpm;
	158	open $fh, ">$configpm" or
	159	$CPAN::Frontend->mydie("Couldn't open >$configpm: $!");
	160	$fh->print(qq[$msg\$CPAN::Config = \{\n]);
	161	foreach (sort keys %$CPAN::Config) {
	162	$fh->print(
	163	" '$_' => ",
	164	ExtUtils::MakeMaker::neatvalue($CPAN::Config->{$_}),
	165	",\n"
	166	);
	167	}
	168
	169	$fh->print("};\n1;\n__END__\n");
	170	close $fh;
	171
	172	#$mode = 0444 \| ( $mode & 0111 ? 0111 : 0 );
	173	#chmod $mode, $configpm;
	174	###why was that so? $self->defaults;
9ddc4ed0	175	$CPAN::Frontend->myprint("commit: wrote '$configpm'\n");
e82b9348	176	1;
	177	}
	178
	179	*default = \&defaults;
	180	sub defaults {
	181	my($self) = @_;
	182	$self->unload;
	183	$self->load;
	184	1;
	185	}
	186
	187	sub init {
9ddc4ed0	188	my($self,@args) = @_;
e82b9348	189	undef $CPAN::Config->{'inhibit_startup_message'}; # lazy trick to
	190	# have the least
	191	# important
	192	# variable
	193	# undefined
9ddc4ed0	194	$self->load(@args);
e82b9348	195	1;
	196	}
	197
	198	# This is a piece of repeated code that is abstracted here for
	199	# maintainability. RMB
	200	#
	201	sub _configpmtest {
	202	my($configpmdir, $configpmtest) = @_;
	203	if (-w $configpmtest) {
	204	return $configpmtest;
	205	} elsif (-w $configpmdir) {
	206	#_#_# following code dumped core on me with 5.003_11, a.k.
	207	my $configpm_bak = "$configpmtest.bak";
	208	unlink $configpm_bak if -f $configpm_bak;
	209	if( -f $configpmtest ) {
	210	if( rename $configpmtest, $configpm_bak ) {
	211	$CPAN::Frontend->mywarn(<<END);
	212	Old configuration file $configpmtest
	213	moved to $configpm_bak
	214	END
	215	}
	216	}
	217	my $fh = FileHandle->new;
	218	if ($fh->open(">$configpmtest")) {
	219	$fh->print("1;\n");
	220	return $configpmtest;
	221	} else {
	222	# Should never happen
	223	Carp::confess("Cannot open >$configpmtest");
	224	}
	225	} else { return }
	226	}
	227
	228	sub load {
	229	my($self, %args) = @_;
	230	$CPAN::Be_Silent++ if $args{be_silent};
	231
	232	my(@miss);
	233	use Carp;
9ddc4ed0	234	unless ($INC{"CPAN/MyConfig.pm"}) { # this guy has settled his needs already
	235	eval {require CPAN::Config;}; # not everybody has one
	236	}
e82b9348	237	unless ($dot_cpan++){
e82b9348	238	unshift @INC, File::Spec->catdir($ENV{HOME},".cpan");
9ddc4ed0	239	eval {require CPAN::MyConfig;}; # override system wide settings
e82b9348	240	shift @INC;
	241	}
	242	return unless @miss = $self->missing_config_data;
	243
	244	require CPAN::FirstTime;
	245	my($configpm,$fh,$redo,$theycalled);
	246	$redo \|\|= "";
	247	$theycalled++ if @miss==1 && $miss[0] eq 'inhibit_startup_message';
	248	if (defined $INC{"CPAN/Config.pm"} && -w $INC{"CPAN/Config.pm"}) {
	249	$configpm = $INC{"CPAN/Config.pm"};
	250	$redo++;
	251	} elsif (defined $INC{"CPAN/MyConfig.pm"} && -w $INC{"CPAN/MyConfig.pm"}) {
	252	$configpm = $INC{"CPAN/MyConfig.pm"};
	253	$redo++;
	254	} else {
	255	my($path_to_cpan) = File::Basename::dirname($INC{"CPAN.pm"});
	256	my($configpmdir) = File::Spec->catdir($path_to_cpan,"CPAN");
	257	my($configpmtest) = File::Spec->catfile($configpmdir,"Config.pm");
	258	if (-d $configpmdir or File::Path::mkpath($configpmdir)) {
	259	$configpm = _configpmtest($configpmdir,$configpmtest);
	260	}
	261	unless ($configpm) {
	262	$configpmdir = File::Spec->catdir($ENV{HOME},".cpan","CPAN");
	263	File::Path::mkpath($configpmdir);
	264	$configpmtest = File::Spec->catfile($configpmdir,"MyConfig.pm");
	265	$configpm = _configpmtest($configpmdir,$configpmtest);
	266	unless ($configpm) {
	267	my $text = qq{WARNING: CPAN.pm is unable to } .
	268	qq{create a configuration file.};
	269	output($text, 'confess');
	270	}
	271	}
	272	}
	273	local($") = ", ";
	274	$CPAN::Frontend->myprint(<<END) if $redo && ! $theycalled;
0cf35e6a	275	Sorry, we have to rerun the configuration dialog for CPAN.pm due to
0cf35e6a	276	the following indispensable but missing parameters:
e82b9348	277
	278	@miss
	279	END
	280	$CPAN::Frontend->myprint(qq{
	281	$configpm initialized.
	282	});
	283
	284	sleep 2;
	285	CPAN::FirstTime::init($configpm, %args);
	286	}
	287
	288	sub missing_config_data {
	289	my(@miss);
	290	for (
0cf35e6a	291	"build_cache",
	292	"build_dir",
	293	"cache_metadata",
	294	"cpan_home",
	295	"ftp_proxy",
	296	"gzip",
	297	"http_proxy",
	298	"index_expire",
	299	"inhibit_startup_message",
	300	"keep_source_where",
	301	"make",
	302	"make_arg",
	303	"make_install_arg",
	304	"makepl_arg",
	305	"mbuild_arg",
	306	"mbuild_install_arg",
	307	"mbuild_install_build_command",
	308	"mbuildpl_arg",
	309	"no_proxy",
e82b9348	310	"pager",
e82b9348	311	"prerequisites_policy",
0cf35e6a	312	"scan_cache",
	313	"tar",
	314	"unzip",
	315	"urllist",
e82b9348	316	) {
	317	push @miss, $_ unless defined $CPAN::Config->{$_};
	318	}
	319	return @miss;
	320	}
	321
	322	sub unload {
	323	delete $INC{'CPAN/MyConfig.pm'};
	324	delete $INC{'CPAN/Config.pm'};
	325	}
	326
	327	sub help {
	328	$CPAN::Frontend->myprint(q[
	329	Known options:
	330	defaults reload default config values from disk
	331	commit commit session changes to disk
	332	init go through a dialog to set all parameters
	333
	334	You may edit key values in the follow fashion (the "o" is a literal
	335	letter o):
	336
	337	o conf build_cache 15
	338
	339	o conf build_dir "/foo/bar"
	340
	341	o conf urllist shift
	342
	343	o conf urllist unshift ftp://ftp.foo.bar/
	344
	345	]);
	346	undef; #don't reprint CPAN::Config
	347	}
	348
	349	sub cpl {
	350	my($word,$line,$pos) = @_;
	351	$word \|\|= "";
	352	CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
	353	my(@words) = split " ", substr($line,0,$pos+1);
	354	if (
	355	defined($words[2])
	356	and
	357	(
	358	$words[2] =~ /list$/ && @words == 3
	359	\|\|
	360	$words[2] =~ /list$/ && @words == 4 && length($word)
	361	)
	362	) {
	363	return grep /^\Q$word\E/, qw(splice shift unshift pop push);
	364	} elsif (@words >= 4) {
	365	return ();
	366	}
	367	my %seen;
	368	my(@o_conf) = sort grep { !$seen{$_}++ }
	369	keys %can,
	370	keys %$CPAN::Config,
	371	keys %keys;
	372	return grep /^\Q$word\E/, @o_conf;
	373	}
	374
9ddc4ed0	375
	376	package ####::###### #hide from indexer
	377	CPAN::Config;
	378	# note: J. Nick Koston wrote me that they are using
	379	# CPAN::Config->commit although undocumented. I suggested
	380	# CPAN::Shell->o("conf","commit") even when ugly it is at least
	381	# documented
	382
	383	# that's why I added the CPAN::Config class with autoload and
	384	# deprecated warning
	385
	386	use strict;
	387	use vars qw($AUTOLOAD $VERSION);
	388	$VERSION = sprintf "%.2f", substr(q$Rev: 423 $,4)/100;
	389
	390	# formerly CPAN::HandleConfig was known as CPAN::Config
	391	sub AUTOLOAD {
	392	my($l) = $AUTOLOAD;
	393	$CPAN::Frontend->mywarn("Dispatching deprecated method '$l' to CPAN::HandleConfig");
	394	$l =~ s/.*:://;
	395	CPAN::HandleConfig->$l(@_);
	396	}
	397
e82b9348	398	1;
0cf35e6a	399
	400	__END__
	401	# Local Variables:
	402	# mode: cperl
	403	# cperl-indent-level: 2
	404	# End: