Fix build on Fedora 32

[exim-website.git] / script / gen

diff --git a/script/gen b/script/gen
index 559619989388664e9a587890bd9a369d41a245a9..91af773bccc8b2c1b855284e277c9fa35a258b3a 100755 (executable)
--- a/script/gen
+++ b/script/gen
@@ -131,11 +131,21 @@ sub do_doc {
     my ( $type, $xml_path ) = @_;
 
     ## Read and validate the XML file
-    my $xml = XML::LibXML->new()->parse_file($xml_path) or die $!;
+    my $xml = XML::LibXML->new(expand_entities => 1)->parse_file($xml_path) or die $!;
 
     ## Get the version number
-    my $version = $xml->findvalue('/book/bookinfo/revhistory/revision/revnumber');
-    die "Unable to get version number\n" unless defined $version && $version =~ /^\d+(\.\d+)*$/;
+    my $version = do {
+       my $version = $xml->findvalue('/book/bookinfo/revhistory/revision/revnumber');
+       die "Unable to get version number\n"
+           unless defined $version and $version =~ /^
+               (?<version>
+                   \d+                     # major
+                   (?:\.\d+(?:\.\d+)?)?    # (minor(.patch))
+                   (?:\.\d+(?:\.\d+(?:\.\d+)?)?)?    # (minor(.patch.(fixes)))
+               )
+               (?:-RC\d+)?$/x;             # -RCX
+       $+{version};
+    };
 
     ## Prepend chapter filenames?
     my $prepend_chapter = $type eq 'filter' ? 'filter_' : '';
@@ -409,7 +419,7 @@ sub transform {
     $xml->documentElement()->appendTextChild( 'old_versions', $_ ) foreach old_docs_versions();
 
     ## Parse the ".xsl" file as XML
-    my $xsl = XML::LibXML->new()->parse_file($xsl_path) or die $!;
+    my $xsl = XML::LibXML->new(expand_entities => 1)->parse_file($xsl_path) or die $!;
 
     ## Generate a stylesheet from the ".xsl" XML.
     my $stylesheet = XML::LibXSLT->new()->parse_stylesheet($xsl);
@@ -507,11 +517,11 @@ __END__
 
 =head1 NAME
 
-gen.pl - Generate exim html documentation and website
+gen - Generate exim html documentation and website
 
 =head1 SYNOPSIS
 
-gen.pl [options]
+gen [options]
 
  Options:
    --help              display this help and exits
@@ -591,7 +601,7 @@ Generates the exim website and HTML documentation.
 
 =head1 EXAMPLE
 
-    script/gen.pl \
+    script/gen \
       --web \
       --spec docbook/*/spec.xml \
       --filter  docbook/*/filter.xml \