X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/16d51e67a7e7257739e1cb3f9a3713d448065e5d..0e31e924e88d660b75bb8d33fb6ca1eb80a8a5e2:/IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index edee8aacb..735dc97b1 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -21,6 +21,7 @@ our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
                  bestlink htmllink readfile writefile pagetype srcfile pagename
                  displaytime will_render gettext urlto targetpage
 		 add_underlay pagetitle titlepage linkpage newpagefile
+		 inject
                  %config %links %pagestate %wikistate %renderedfiles
                  %pagesources %destsources);
 our $VERSION = 2.00; # plugin interface version, next is ikiwiki version
@@ -119,7 +120,7 @@ sub getsetup () { #{{{
 	},
 	default_plugins => {
 		type => "internal",
-		default => [qw{mdwn link inline htmlscrubber passwordauth
+		default => [qw{mdwn link inline meta htmlscrubber passwordauth
 				openid signinedit lockedit conditional
 				recentchanges parentlinks editpage}],
 		description => "plugins to enable by default",
@@ -381,6 +382,13 @@ sub getsetup () { #{{{
 		safe => 0,
 		rebuild => 0,
 	},
+	test_receive => {
+		type => "internal",
+		default => 0,
+		description => "running in receive test mode",
+		safe => 0,
+		rebuild => 0,
+	},
 	getctime => {
 		type => "internal",
 		default => 0,
@@ -395,6 +403,13 @@ sub getsetup () { #{{{
 		safe => 0,
 		rebuild => 0,
 	},
+	wikistatedir => {
+		type => "internal",
+		default => undef,
+		description => "path to the .ikiwiki directory holding ikiwiki state",
+		safe => 0,
+		rebuild => 0,
+	},
 	setupfile => {
 		type => "internal",
 		default => undef,
@@ -403,7 +418,7 @@ sub getsetup () { #{{{
 		rebuild => 0,
 	},
 	allow_symlinks_before_srcdir => {
-		type => "string",
+		type => "boolean",
 		default => 0,
 		description => "allow symlinks in the path leading to the srcdir (potentially insecure)",
 		safe => 0,
@@ -459,7 +474,7 @@ sub checkconfig () { #{{{
 	}
 	
 	$config{wikistatedir}="$config{srcdir}/.ikiwiki"
-		unless exists $config{wikistatedir};
+		unless exists $config{wikistatedir} && defined $config{wikistatedir};
 
 	if (defined $config{umask}) {
 		umask(possibly_foolish_untaint($config{umask}));
@@ -706,6 +721,10 @@ sub readfile ($;$$) { #{{{
 	binmode($in) if ($binary);
 	return \*$in if $wantfd;
 	my $ret=<$in>;
+	# check for invalid utf-8, and toss it back to avoid crashes
+	if (! utf8::valid($ret)) {
+		$ret=encode_utf8($ret);
+	}
 	close $in || error("failed to read $file: $!");
 	return $ret;
 } #}}}
@@ -898,6 +917,13 @@ sub abs2rel ($$) { #{{{
 } #}}}
 
 sub displaytime ($;$) { #{{{
+	# Plugins can override this function to mark up the time to
+	# display.
+	return '<span class="date">'.formattime(@_).'</span>';
+} #}}}
+
+sub formattime ($;$) { #{{{
+	# Plugins can override this function to format the time.
 	my $time=shift;
 	my $format=shift;
 	if (! defined $format) {
@@ -1258,8 +1284,7 @@ sub indexlink () { #{{{
 
 my $wikilock;
 
-sub lockwiki (;$) { #{{{
-	my $wait=@_ ? shift : 1;
+sub lockwiki () { #{{{
 	# Take an exclusive lock on the wiki to prevent multiple concurrent
 	# run issues. The lock will be dropped on program exit.
 	if (! -d $config{wikistatedir}) {
@@ -1267,25 +1292,14 @@ sub lockwiki (;$) { #{{{
 	}
 	open($wikilock, '>', "$config{wikistatedir}/lockfile") ||
 		error ("cannot write to $config{wikistatedir}/lockfile: $!");
-	if (! flock($wikilock, 2 | 4)) { # LOCK_EX | LOCK_NB
-		if ($wait) {
-			debug("wiki seems to be locked, waiting for lock");
-			my $wait=600; # arbitrary, but don't hang forever to 
-			              # prevent process pileup
-			for (1..$wait) {
-				return if flock($wikilock, 2 | 4);
-				sleep 1;
-			}
-			error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
-		}
-		else {
-			return 0;
-		}
+	if (! flock($wikilock, 2)) { # LOCK_EX
+		error("failed to get lock");
 	}
 	return 1;
 } #}}}
 
 sub unlockwiki () { #{{{
+	POSIX::close($ENV{IKIWIKI_CGILOCK_FD}) if exists $ENV{IKIWIKI_CGILOCK_FD};
 	return close($wikilock) if $wikilock;
 	return;
 } #}}}
@@ -1567,6 +1581,10 @@ sub rcs_getctime ($) { #{{{
 	$hooks{rcs}{rcs_getctime}{call}->(@_);
 } #}}}
 
+sub rcs_receive () { #{{{
+	$hooks{rcs}{rcs_receive}{call}->();
+} #}}}
+
 sub globlist_to_pagespec ($) { #{{{
 	my @globlist=split(' ', shift);
 
@@ -1659,6 +1677,31 @@ sub yesno ($) { #{{{
 	return (defined $val && lc($val) eq gettext("yes"));
 } #}}}
 
+sub inject { #{{{
+	# Injects a new function into the symbol table to replace an
+	# exported function.
+	my %params=@_;
+
+	# This is deep ugly perl foo, beware.
+	no strict;
+	no warnings;
+	if (! defined $params{parent}) {
+		$params{parent}='::';
+		$params{old}=\&{$params{name}};
+		$params{name}=~s/.*:://;
+	}
+	my $parent=$params{parent};
+	foreach my $ns (grep /^\w+::/, keys %{$parent}) {
+		$ns = $params{parent} . $ns;
+		inject(%params, parent => $ns) unless $ns eq '::main::';
+		*{$ns . $params{name}} = $params{call}
+			if exists ${$ns}{$params{name}} &&
+			   \&{${$ns}{$params{name}}} == $params{old};
+	}
+	use strict;
+	use warnings;
+} #}}}
+
 sub pagespec_merge ($$) { #{{{
 	my $a=shift;
 	my $b=shift;
@@ -1753,7 +1796,7 @@ sub pagespec_valid ($) { #{{{
 	my $sub=pagespec_translate($spec);
 	return ! $@;
 } #}}}
-	
+
 sub glob2re ($) { #{{{
 	my $re=quotemeta(shift);
 	$re=~s/\\\*/.*/g;
@@ -1850,6 +1893,10 @@ sub match_link ($$;@) { #{{{
 		else {
 			return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
 				if match_glob($p, $link, %params);
+			$p=~s/^\///;
+			$link=~s/^\///;
+			return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
+				if match_glob($p, $link, %params);
 		}
 	}
 	return IkiWiki::FailReason->new("$page does not link to $link");