* Add --render mode, which can be used to preview an edit at the command

  line by test rendering a single page.

2 files changed, 30 insertions, 2 deletions

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index c16877b3d..48a25bef7 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -374,4 +374,29 @@ FILE:		foreach my $file (@files) {
 	}
 } #}}}
 
+sub commandline_render () { #{{{
+	loadplugins();
+	checkconfig();
+	lockwiki();
+	loadindex();
+	unlockwiki();
+
+	my $srcfile=possibly_foolish_untaint($config{render});
+	my $file=$srcfile;
+	$file=~s/\Q$config{srcdir}\E\/?//;
+
+	my $type=pagetype($file);
+	die "ikiwiki: cannot render $srcfile\n" unless defined $type;
+	my $content=readfile($srcfile);
+	my $page=pagename($file);
+	$pagesources{$page}=$file;
+	$content=filter($page, $content);
+	$content=preprocess($page, $page, $content);
+	$content=linkify($page, $page, $content);
+	$content=htmlize($page, $type, $content);
+
+	print genpage($page, $content, mtime($srcfile));
+	exit 0;
+} #}}}
+
 1
diff --git a/IkiWiki/Setup/Standard.pm b/IkiWiki/Setup/Standard.pm
index b7583097d..7512c2587 100644
--- a/IkiWiki/Setup/Standard.pm
+++ b/IkiWiki/Setup/Standard.pm
@@ -34,7 +34,7 @@ sub setup_standard {
 		$config{wiki_file_prune_regexp}=qr/$config{wiki_file_prune_regexp}|$setup{exclude}/;
 	}
 
-	if (! $config{refresh} || $config{wrappers}) {
+	if (! $config{render} && (! $config{refresh} || $config{wrappers})) {
 		debug("generating wrappers..");
 		my @wrappers=@{$setup{wrappers}};
 		delete $setup{wrappers};
@@ -66,7 +66,10 @@ sub setup_standard {
 		}
 	}
 
-	if (! $config{refresh}) {
+	if ($config{render}) {
+		commandline_render();
+	}
+	elsif (! $config{refresh}) {
 		$config{rebuild}=1;
 		debug("rebuilding wiki..");
 	}