282 lines
7.1 KiB
Perl
282 lines
7.1 KiB
Perl
#!/usr/bin/perl
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# Ikiwiki setup files can be perl files that 'use IkiWiki::Setup::foo',
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# passing it some sort of configuration data. Or, they can contain
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# the module name at the top, without the 'use', and the whole file is
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# then fed into that module.
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package IkiWiki::Setup;
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use warnings;
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use strict;
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use IkiWiki;
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use open qw{:utf8 :std};
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use File::Spec;
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sub load ($;$) {
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my $file=IkiWiki::possibly_foolish_untaint(shift);
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my $safemode=shift;
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$config{setupfile}=File::Spec->rel2abs($file);
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#translators: The first parameter is a filename, and the second
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#translators: is a (probably not translated) error message.
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open (IN, $file) || error(sprintf(gettext("cannot read %s: %s"), $file, $!));
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my $content;
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{
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local $/=undef;
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$content=<IN> || error("$file: $!");
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}
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close IN;
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if ($content=~/((?:use|require)\s+)?IkiWiki::Setup::(\w+)/) {
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$config{setuptype}=$2;
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if ($1) {
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error sprintf(gettext("cannot load %s in safe mode"), $file)
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if $safemode;
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no warnings;
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eval IkiWiki::possibly_foolish_untaint($content);
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error("$file: ".$@) if $@;
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}
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else {
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eval qq{require IkiWiki::Setup::$config{setuptype}};
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error $@ if $@;
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"IkiWiki::Setup::$config{setuptype}"->loaddump(IkiWiki::possibly_foolish_untaint($content));
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}
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}
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else {
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error sprintf(gettext("failed to parse %s"), $file);
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}
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}
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sub dump ($) {
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my $file=IkiWiki::possibly_foolish_untaint(shift);
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my @header=(
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"Setup file for ikiwiki.",
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"",
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"Passing this to ikiwiki --setup will make ikiwiki generate",
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"wrappers and build the wiki.",
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"",
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"Remember to re-run ikiwiki --setup any time you edit this file.",
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);
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# Fork because dumping setup requires loading all plugins.
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my $pid=fork();
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if ($pid == 0) {
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eval qq{require IkiWiki::Setup::$config{setuptype}};
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error $@ if $@;
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my @dump="IkiWiki::Setup::$config{setuptype}"->gendump(@header);
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open (OUT, ">", $file) || die "$file: $!";
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print OUT "$_\n" foreach @dump;
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close OUT;
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exit 0;
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}
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else {
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waitpid $pid, 0;
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exit($? >> 8) if $? >> 8;
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exit(1) if $?;
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}
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}
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sub merge ($) {
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# Merge setup into existing config and untaint.
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my %setup=%{shift()};
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if (exists $setup{add_plugins} && exists $config{add_plugins}) {
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push @{$setup{add_plugins}}, @{$config{add_plugins}};
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}
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if (exists $setup{exclude}) {
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push @{$config{wiki_file_prune_regexps}}, $setup{exclude};
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}
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foreach my $c (keys %setup) {
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if (defined $setup{$c}) {
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if (! ref $setup{$c} || ref $setup{$c} eq 'Regexp') {
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$config{$c}=IkiWiki::possibly_foolish_untaint($setup{$c});
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}
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elsif (ref $setup{$c} eq 'ARRAY') {
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if ($c eq 'wrappers') {
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# backwards compatability code
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$config{$c}=$setup{$c};
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}
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else {
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$config{$c}=[map { IkiWiki::possibly_foolish_untaint($_) } @{$setup{$c}}]
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}
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}
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elsif (ref $setup{$c} eq 'HASH') {
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foreach my $key (keys %{$setup{$c}}) {
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$config{$c}{$key}=IkiWiki::possibly_foolish_untaint($setup{$c}{$key});
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}
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}
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}
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else {
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$config{$c}=undef;
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}
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}
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if (length $config{cgi_wrapper}) {
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push @{$config{wrappers}}, {
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cgi => 1,
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wrapper => $config{cgi_wrapper},
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wrappermode => (defined $config{cgi_wrappermode} ? $config{cgi_wrappermode} : "06755"),
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};
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}
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}
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sub disabled_plugins (@) {
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# Handles running disable hooks of plugins that were enabled
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# previously, but got disabled when a new setup file was loaded.
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if (exists $config{setupfile} && @_) {
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# Fork a child to load the disabled plugins.
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my $pid=fork();
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if ($pid == 0) {
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foreach my $plugin (@_) {
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eval { IkiWiki::loadplugin($plugin, 1) };
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if (exists $IkiWiki::hooks{disable}{$plugin}{call}) {
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eval { $IkiWiki::hooks{disable}{$plugin}{call}->() };
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}
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}
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exit(0);
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}
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else {
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waitpid $pid, 0;
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}
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}
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}
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sub getsetup () {
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# Gets all available setup data from all plugins. Returns an
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# ordered list of [plugin, setup] pairs.
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# disable logging to syslog while dumping, broken plugins may
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# whine when loaded
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my $syslog=$config{syslog};
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$config{syslog}=undef;
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# Load all plugins, so that all setup options are available.
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my %original_loaded_plugins=%IkiWiki::loaded_plugins;
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my @plugins=IkiWiki::listplugins();
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foreach my $plugin (@plugins) {
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eval { IkiWiki::loadplugin($plugin, 1) };
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if (exists $IkiWiki::hooks{checkconfig}{$plugin}{call}) {
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my @s=eval { $IkiWiki::hooks{checkconfig}{$plugin}{call}->() };
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}
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}
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%IkiWiki::loaded_plugins=%original_loaded_plugins;
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my %sections;
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foreach my $plugin (@plugins) {
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if (exists $IkiWiki::hooks{getsetup}{$plugin}{call}) {
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# use an array rather than a hash, to preserve order
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my @s=eval { $IkiWiki::hooks{getsetup}{$plugin}{call}->() };
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next unless @s;
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if (scalar(@s) % 2 != 0) {
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print STDERR "warning: plugin $plugin has a broken getsetup; ignoring\n";
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next;
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}
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# set default section value (note use of shared
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# hashref between array and hash)
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my %s=@s;
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if (! exists $s{plugin} || ! $s{plugin}->{section}) {
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$s{plugin}->{section}="other";
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}
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# only the selected rcs plugin is included
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if ($config{rcs} && $plugin eq $config{rcs}) {
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$s{plugin}->{section}="core";
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}
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elsif ($s{plugin}->{section} eq "rcs") {
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next;
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}
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push @{$sections{$s{plugin}->{section}}}, [ $plugin, \@s ];
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}
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}
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$config{syslog}=$syslog;
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return map { sort { $a->[0] cmp $b->[0] } @{$sections{$_}} }
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sort { # core first, other last, otherwise alphabetical
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($b eq "core") <=> ($a eq "core")
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||
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($a eq "other") <=> ($b eq "other")
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||
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$a cmp $b
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} keys %sections;
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}
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sub commented_dump ($$) {
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my $dumpline=shift;
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my $indent=shift;
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my %setup=(%config);
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my @ret;
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# disable logging to syslog while dumping
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$config{syslog}=undef;
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eval q{use Text::Wrap};
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die $@ if $@;
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my %section_plugins;
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push @ret, commented_dumpvalues($dumpline, $indent, \%setup, IkiWiki::getsetup());
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foreach my $pair (IkiWiki::Setup::getsetup()) {
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my $plugin=$pair->[0];
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my $setup=$pair->[1];
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my %s=@{$setup};
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my $section=$s{plugin}->{section};
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if (! defined $section) {
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print STDERR "warning: missing section in $plugin\n";
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$section="other";
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}
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push @{$section_plugins{$section}}, $plugin;
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if (@{$section_plugins{$section}} == 1) {
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push @ret, "", $indent.("#" x 70), "$indent# $section plugins",
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sub {
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wrap("$indent# (", "$indent# ",
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join(", ", @{$section_plugins{$section}})).")"
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},
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$indent.("#" x 70);
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}
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my @values=commented_dumpvalues($dumpline, $indent, \%setup, @{$setup});
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if (@values) {
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push @ret, "", "$indent# $plugin plugin", @values;
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}
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}
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return map { ref $_ ? $_->() : $_ } @ret;
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}
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sub commented_dumpvalues ($$$@) {
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my $dumpline=shift;
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my $indent=shift;
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my $setup=shift;
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my @ret;
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while (@_) {
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my $key=shift;
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my %info=%{shift()};
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next if $key eq "plugin" || $info{type} eq "internal";
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push @ret, "$indent# ".$info{description} if exists $info{description};
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if (exists $setup->{$key} && defined $setup->{$key}) {
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push @ret, $dumpline->($key, $setup->{$key}, $info{type}, "");
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delete $setup->{$key};
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}
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elsif (exists $info{example}) {
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push @ret, $dumpline->($key, $info{example}, $info{type}, "#");
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}
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else {
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push @ret, $dumpline->($key, "", $info{type}, "#");
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}
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}
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return @ret;
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}
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1
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