+#!/usr/bin/perl
+
+use warnings;
+use strict;
+use IkiWiki;
+use Encode;
+use open qw{:utf8 :std};
+
+package IkiWiki;
+
+sub mercurial_log($) {
+ my $out = shift;
+ my @infos;
+
+ while (<$out>) {
+ my $line = $_;
+ my ($key, $value);
+
+ if (/^description:/) {
+ $key = "description";
+ $value = "";
+
+ # slurp everything as the description text
+ # until the next changeset
+ while (<$out>) {
+ if (/^changeset: /) {
+ $line = $_;
+ last;
+ }
+
+ $value .= $_;
+ }
+
+ local $/ = "";
+ chomp $value;
+ $infos[$#infos]{$key} = $value;
+ }
+
+ chomp $line;
+ ($key, $value) = split /: +/, $line, 2;
+
+ if ($key eq "changeset") {
+ push @infos, {};
+
+ # remove the revision index, which is strictly
+ # local to the repository
+ $value =~ s/^\d+://;
+ }
+
+ $infos[$#infos]{$key} = $value;
+ }
+ close $out;
+
+ return @infos;
+}
+
+sub rcs_update () { #{{{
+ my @cmdline = ("hg", "-R", "$config{srcdir}", "update");
+ if (system(@cmdline) != 0) {
+ warn "'@cmdline' failed: $!";
+ }
+} #}}}
+
+sub rcs_prepedit ($) { #{{{
+ return "";
+} #}}}
+
+sub rcs_commit ($$$) { #{{{
+ my ($file, $message, $rcstoken) = @_;
+
+ $message = possibly_foolish_untaint($message);
+
+ my @cmdline = ("hg", "-R", "$config{srcdir}", "commit", "-m", "$message");
+ if (system(@cmdline) != 0) {
+ warn "'@cmdline' failed: $!";
+ }
+
+ return undef; # success
+} #}}}
+
+sub rcs_add ($) { # {{{
+ my ($file) = @_;
+
+ my @cmdline = ("hg", "-R", "$config{srcdir}", "add", "$file");
+ if (system(@cmdline) != 0) {
+ warn "'@cmdline' failed: $!";
+ }
+} #}}}
+
+sub rcs_recentchanges ($) { #{{{
+ my ($num) = @_;
+
+ eval q{use CGI 'escapeHTML'};
+
+ my @cmdline = ("hg", "-R", $config{srcdir}, "log", "-v", "-l", $num);
+ open (my $out, "@cmdline |");
+
+ my @ret;
+ foreach my $info (mercurial_log($out)) {
+ my @pages = ();
+ my @message = ();
+
+ foreach my $msgline (split(/\n/, $info->{description})) {
+ push @message, { line => $msgline };
+ }
+
+ foreach my $file (split / /,$info->{files}) {
+ my $diffurl = $config{'diffurl'};
+ $diffurl =~ s/\[\[file\]\]/$file/go;
+ $diffurl =~ s/\[\[r2\]\]/$info->{changeset}/go;
+
+ push @pages, {
+ page => pagename($file),
+ diffurl => $diffurl,
+ };
+ }
+
+ my $user = $info->{"user"};
+ $user =~ s/\s*<.*>\s*$//;
+ $user =~ s/^\s*//;
+
+ push @ret, {
+ rev => $info->{"changeset"},
+ user => $user,
+ committype => "mercurial",
+ when => $info->{"date"},
+ message => [@message],
+ pages => [@pages],
+ };
+ }
+
+ return @ret;
+} #}}}
+
+sub rcs_notify () { #{{{
+ # TODO
+} #}}}
+
+sub rcs_getctime ($) { #{{{
+ error "getctime not implemented";
+} #}}}
+
+1