Add allow_symlinks_before_srcdir config setting

can be used to avoid a security check that is a good safe default, but
problimatic overkill in some situations.

I decided to underdocument this, because the option looks ugly, and I don't
want people randomly turning it on because it looks like a good idea. So if
you need it, you'll get an error message mentioning how to fix it.

1 files changed, 3 insertions, 3 deletions

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index fc1bc0c92..ab3ccd7ae 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -245,11 +245,11 @@ sub prune ($) { #{{{
 } #}}}
 
 sub refresh () { #{{{
-	# security check, avoid following symlinks in the srcdir path
+	# security check, avoid following symlinks in the srcdir path by default
 	my $test=$config{srcdir};
 	while (length $test) {
-		if (-l $test) {
-			error("symlink found in srcdir path ($test)");
+		if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
+			error("symlink found in srcdir path ($test) -- set allow_symlinks_before_srcdir to allow this");
 		}
 		unless ($test=~s/\/+$//) {
 			$test=dirname($test);