0310 "ˆl–ßi~”ËmJi@5p \êbÑ¿Ç ƒtBgÆÅ7#!/usr/bin/perl eval 'exec /usr/bin/perl -S $0 ${1+"$@"}' if 0; # not running under some shell use strict; use Module::Build 0.25; use Getopt::Long; my %opt_defs = ( module => {type => '=s', desc => 'The name of the module to configure (required)'}, feature => {type => ':s', desc => 'Print the value of a feature or all features'}, config => {type => ':s', desc => 'Print the value of a config option'}, set_feature => {type => '=s%', desc => "Set a feature to 'true' or 'false'"}, set_config => {type => '=s%', desc => 'Set a config option to the given value'}, eval => {type => '', desc => 'eval() config values before setting'}, help => {type => '', desc => 'Print a help message and exit'}, ); my %opts; GetOptions( \%opts, map "$_$opt_defs{$_}{type}", keys %opt_defs ) or die usage(%opt_defs); print usage(%opt_defs) and exit(0) if $opts{help}; my @exclusive = qw(feature config set_feature set_config); die "Exactly one of the options '" . join("', '", @exclusive) . "' must be specified\n" . usage(%opt_defs) unless grep(exists $opts{$_}, @exclusive) == 1; die "Option --module is required\n" . usage(%opt_defs) unless $opts{module}; my $cf = load_config($opts{module}); if (exists $opts{feature}) { if (length $opts{feature}) { print $cf->feature($opts{feature}); } else { my %auto; # note: need to support older ConfigData.pm's @auto{$cf->auto_feature_names} = () if $cf->can("auto_feature_names"); print " Features defined in $cf:\n"; foreach my $name (sort $cf->feature_names) { print " $name => ", $cf->feature($name), (exists $auto{$name} ? " (dynamic)" : ""), "\n"; } } } elsif (exists $opts{config}) { require Data::Dumper; local $Data::Dumper::Terse = 1; if (length $opts{config}) { print Data::Dumper::Dumper($cf->config($opts{config})), "\n"; } else { print " Configuration defined in $cf:\n"; foreach my $name (sort $cf->config_names) { print " $name => ", Data::Dumper::Dumper($cf->config($name)), "\n"; } } } elsif (exists $opts{set_feature}) { my %to_set = %{$opts{set_feature}}; while (my ($k, $v) = each %to_set) { die "Feature value must be 0 or 1\n" unless $v =~ /^[01]$/; $cf->set_feature($k, 0+$v); # Cast to a number, not a string } $cf->write; print "Feature" . 's'x(keys(%to_set)>1) . " saved\n"; } elsif (exists $opts{set_config}) { my %to_set = %{$opts{set_config}}; while (my ($k, $v) = each %to_set) { if ($opts{eval}) { $v = eval($v); die $@ if $@; } $cf->set_config($k, $v); } $cf->write; print "Config value" . 's'x(keys(%to_set)>1) . " saved\n"; } sub load_config { my $mod = shift; $mod =~ /^([\w:]+)$/ or die "Invalid module name '$mod'"; my $cf = $mod . "::ConfigData"; eval "require $cf"; die $@ if $@; return $cf; } sub usage { my %defs = @_; my $out = "\nUsage: $0 [options]\n\n Options include:\n"; foreach my $name (sort keys %defs) { $out .= " --$name"; for ($defs{$name}{type}) { /^=s$/ and $out .= " "; /^=s%$/ and $out .= " ="; } pad_line($out, 35); $out .= "$defs{$name}{desc}\n"; } $out .= <