Code deduplication fin find_src_files()

This also has the advantage that I can use the resulting new function
elsewhere.

1 files changed, 27 insertions, 32 deletions

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 3ebb1a324..44b2fb9c2 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -280,6 +280,27 @@ sub srcdir_check () {
 	
 }
 
+sub verify_src_file ($$) {
+	my $file=decode_utf8(shift);
+	my $dir=shift;
+
+	return if -l $file || -d $file;
+	$file=~s/^\Q$dir\E\/?//;
+	return if ! length $file;
+	my $page = pagename($file);
+	if (! exists $pagesources{$page} &&
+		file_pruned($file)) {
+		$File::Find::prune=1;
+		return;
+	}
+
+	my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+	if (! defined $f) {
+		warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+	}
+	return ($file,$page,$f);
+}
+
 sub find_src_files () {
 	my @files;
 	my %pages;
@@ -288,22 +309,9 @@ sub find_src_files () {
 	find({
 		no_chdir => 1,
 		wanted => sub {
-			my $file=decode_utf8($_);
-			$file=~s/^\Q$config{srcdir}\E\/?//;
-			return if -l $_ || -d _ || ! length $file;
-			my $page = pagename($file);
-			if (! exists $pagesources{$page} &&
-			    file_pruned($file)) {
-				$File::Find::prune=1;
-				return;
-			}
-
-			my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
-			if (! defined $f) {
-				warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
-			}
-			else {
-				push @files, $f;
+			my ($file,$page,$f) = verify_src_file($_,$config{srcdir});
+			if ($file) {
+				push @files, $file;
 				if ($pages{$page}) {
 					debug(sprintf(gettext("%s has multiple possible source pages"), $page));
 				}
@@ -315,24 +323,11 @@ sub find_src_files () {
 		find({
 			no_chdir => 1,
 			wanted => sub {
-				my $file=decode_utf8($_);
-				$file=~s/^\Q$dir\E\/?//;
-				return if -l $_ || -d _ || ! length $file;
-				my $page=pagename($file);
-				if (! exists $pagesources{$page} &&
-				    file_pruned($file)) {
-					$File::Find::prune=1;
-					return;
-				}
-
-				my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
-				if (! defined $f) {
-					warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
-				}
-				else {
+				my ($file,$page,$f) = verify_src_file($_,$dir);
+				if ($f) {
 					# avoid underlaydir override
 					# attacks; see security.mdwn
-					if (! -l "$config{srcdir}/$f" && 
+					if (! -l "$config{srcdir}/$f" &&
 					    ! -e _) {
 						if (! $pages{$page}) {
 							push @files, $f;