]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Setup.pm
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[git.ikiwiki.info.git] / IkiWiki / Setup.pm
index e014a2a10a5e59c1ce4f1285a747e698f390d34f..06102058b1e77a64249ed88a4eaa3d9782069043 100644 (file)
@@ -1,6 +1,8 @@
 #!/usr/bin/perl
-# Ikiwiki setup files are perl files that 'use IkiWiki::Setup::foo',
-# passing it some sort of configuration data.
+# Ikiwiki setup files can be perl files that 'use IkiWiki::Setup::foo',
+# passing it some sort of configuration data. Or, they can contain
+# the module name at the top, without the 'use', and the whole file is
+# then fed into that module.
 
 package IkiWiki::Setup;
 
@@ -10,30 +12,65 @@ use IkiWiki;
 use open qw{:utf8 :std};
 use File::Spec;
 
-sub load ($) { # {{{
-       my $setup=IkiWiki::possibly_foolish_untaint(shift);
-       $config{setupfile}=File::Spec->rel2abs($config{setup});
-       delete $config{setup};
+sub load ($;$) {
+       my $file=IkiWiki::possibly_foolish_untaint(shift);
+       my $safemode=shift;
+
+       $config{setupfile}=File::Spec->rel2abs($file);
+
        #translators: The first parameter is a filename, and the second
        #translators: is a (probably not translated) error message.
-       open (IN, $setup) || error(sprintf(gettext("cannot read %s: %s"), $setup, $!));
-       my $code;
+       open (IN, $file) || error(sprintf(gettext("cannot read %s: %s"), $file, $!));
+       my $content;
        {
                local $/=undef;
-               $code=<IN>;
+               $content=<IN> || error("$file: $!");
        }
-       ($code)=$code=~/(.*)/s;
        close IN;
 
-       eval $code;
-       error("$setup: ".$@) if $@;
-} #}}}
+       if ($content=~/((?:use|require)\s+)?IkiWiki::Setup::(\w+)/) {
+               $config{setuptype}=$2;
+               if ($1) {
+                       error sprintf(gettext("cannot load %s in safe mode"), $file)
+                               if $safemode;
+                       eval IkiWiki::possibly_foolish_untaint($content);
+                       error("$file: ".$@) if $@;
+               }
+               else {
+                       eval qq{require IkiWiki::Setup::$config{setuptype}};
+                       error $@ if $@;
+                       "IkiWiki::Setup::$config{setuptype}"->loaddump(IkiWiki::possibly_foolish_untaint($content));
+               }
+       }
+       else {
+               error sprintf(gettext("failed to parse %s"), $file);
+       }
+}
+
+sub dump ($) {
+       my $file=IkiWiki::possibly_foolish_untaint(shift);
+       
+       eval qq{require IkiWiki::Setup::$config{setuptype}};
+       error $@ if $@;
+       my @dump="IkiWiki::Setup::$config{setuptype}"->gendump(
+               "Setup file for ikiwiki.",
+               "",
+               "Passing this to ikiwiki --setup will make ikiwiki generate",
+               "wrappers and build the wiki.",
+               "",
+               "Remember to re-run ikiwiki --setup any time you edit this file.",
+       );
+
+       open (OUT, ">", $file) || die "$file: $!";
+       print OUT "$_\n" foreach @dump;
+       close OUT;
+}
 
 sub merge ($) {
        # Merge setup into existing config and untaint.
        my %setup=%{shift()};
 
-       if (exists $setup{add_plugins}) {
+       if (exists $setup{add_plugins} && exists $config{add_plugins}) {
                push @{$setup{add_plugins}}, @{$config{add_plugins}};
        }
        if (exists $setup{exclude}) {
@@ -71,12 +108,11 @@ sub merge ($) {
                        wrappermode => (defined $config{cgi_wrappermode} ? $config{cgi_wrappermode} : "06755"),
                };
        }
-} #}}}
+}
 
-sub getsetup () { #{{{
+sub getsetup () {
        # Gets all available setup data from all plugins. Returns an
        # ordered list of [plugin, setup] pairs.
-       my @ret;
 
         # disable logging to syslog while dumping, broken plugins may
        # whine when loaded
@@ -84,38 +120,116 @@ sub getsetup () { #{{{
         $config{syslog}=undef;
 
        # Load all plugins, so that all setup options are available.
-       my @plugins=grep { $_ ne $config{rcs} } sort(IkiWiki::listplugins());
-       unshift @plugins, $config{rcs} if $config{rcs}; # rcs plugin 1st
+       my @plugins=IkiWiki::listplugins();
        foreach my $plugin (@plugins) {
                eval { IkiWiki::loadplugin($plugin) };
                if (exists $IkiWiki::hooks{checkconfig}{$plugin}{call}) {
                        my @s=eval { $IkiWiki::hooks{checkconfig}{$plugin}{call}->() };
                }
        }
-
+       
+       my %sections;
        foreach my $plugin (@plugins) {
                if (exists $IkiWiki::hooks{getsetup}{$plugin}{call}) {
                        # use an array rather than a hash, to preserve order
                        my @s=eval { $IkiWiki::hooks{getsetup}{$plugin}{call}->() };
                        next unless @s;
-                       push @ret, [ $plugin, \@s ],
+
+                       # set default section value (note use of shared
+                       # hashref between array and hash)
+                       my %s=@s;
+                       if (! exists $s{plugin} || ! $s{plugin}->{section}) {
+                               $s{plugin}->{section}="other";
+                       }
+
+                       # only the selected rcs plugin is included
+                       if ($config{rcs} && $plugin eq $config{rcs}) {
+                               $s{plugin}->{section}="core";
+                       }
+                       elsif ($s{plugin}->{section} eq "rcs") {
+                               next;
+                       }
+
+                       push @{$sections{$s{plugin}->{section}}}, [ $plugin, \@s ];
                }
        }
        
         $config{syslog}=$syslog;
 
-       return @ret;
-} #}}}
+       return map { sort { $a->[0] cmp $b->[0] } @{$sections{$_}} }
+               sort { # core first, other last, otherwise alphabetical
+                       ($b eq "core") <=> ($a eq "core")
+                          ||
+                       ($a eq "other") <=> ($b eq "other")
+                          ||
+                       $a cmp $b
+               } keys %sections;
+}
 
-sub dump ($) { #{{{
-       my $file=IkiWiki::possibly_foolish_untaint(shift);
+sub commented_dump ($$) {
+       my $dumpline=shift;
+       my $indent=shift;
+
+       my %setup=(%config);
+       my @ret;
        
-       require IkiWiki::Setup::Standard;
-       my @dump=IkiWiki::Setup::Standard::gendump("Setup file for ikiwiki.");
+       # disable logging to syslog while dumping
+       $config{syslog}=undef;
 
-       open (OUT, ">", $file) || die "$file: $!";
-       print OUT "$_\n" foreach @dump;
-       close OUT;
+       eval q{use Text::Wrap};
+       die $@ if $@;
+
+       my %section_plugins;
+       push @ret, commented_dumpvalues($dumpline, $indent, \%setup, IkiWiki::getsetup());
+       foreach my $pair (IkiWiki::Setup::getsetup()) {
+               my $plugin=$pair->[0];
+               my $setup=$pair->[1];
+               my %s=@{$setup};
+               my $section=$s{plugin}->{section};
+               push @{$section_plugins{$section}}, $plugin;
+               if (@{$section_plugins{$section}} == 1) {
+                       push @ret, "", $indent.("#" x 70), "$indent# $section plugins",
+                               sub {
+                                       wrap("$indent#   (", "$indent#    ",
+                                               join(", ", @{$section_plugins{$section}})).")"
+                               },
+                               $indent.("#" x 70);
+               }
+
+               my @values=commented_dumpvalues($dumpline, $indent, \%setup, @{$setup});
+               if (@values) {
+                       push @ret, "", "$indent# $plugin plugin", @values;
+               }
+       }
+
+       return map { ref $_ ? $_->() : $_ } @ret;
+}
+
+sub commented_dumpvalues ($$$@) {
+       my $dumpline=shift;
+       my $indent=shift;
+       my $setup=shift;
+       my @ret;
+       while (@_) {
+               my $key=shift;
+               my %info=%{shift()};
+
+               next if $key eq "plugin" || $info{type} eq "internal";
+               
+               push @ret, "$indent# ".$info{description} if exists $info{description};
+               
+               if (exists $setup->{$key} && defined $setup->{$key}) {
+                       push @ret, $dumpline->($key, $setup->{$key}, $info{type}, "");
+                       delete $setup->{$key};
+               }
+               elsif (exists $info{example}) {
+                       push @ret, $dumpline->($key, $info{example}, $info{type}, "#");
+               }
+               else {
+                       push @ret, $dumpline->($key, "", $info{type}, "#");
+               }
+       }
+       return @ret;
 }
 
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