1 files changed, 143 insertions, 0 deletions
diff --git a/IkiWiki/Rcs/mercurial.pm b/IkiWiki/Rcs/mercurial.pm
new file mode 100644
index 000000000..82a2fa642
--- /dev/null
+++ b/IkiWiki/Rcs/mercurial.pm
@@ -0,0 +1,143 @@
+#!/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