update to thumbnailator 0.4.8

tools/buildx.xqm

@@ -0,0 +1,66 @@
+(:~
+ : build utils 
+ : @author Andy Bunce
+ : @copyright Quodatum Ltd
+ : @licence Apache 2
+ : @since may-2015
+ :)
+module namespace build = 'quodatum.utils.build';
+declare default function namespace 'quodatum.utils.build'; 
+declare namespace pkg="http://expath.org/ns/pkg";
+(:~
+ : file paths below $src
+ : $src typically from resolve-uri
+ : @return sequences of relative file paths "content/ebnf/CR-xquery-31-20141218.ebnf" "..."
+ :)
+ declare function files($src as xs:string) as xs:string*
+ {
+   fn:filter(file:list($src,fn:true()),
+          function ($f){file:is-file($src || $f)}
+        )
+          !fn:translate(.,"\","/") 
+ };
+
+(:~ 
+ : write xqdoc for $src/$path to $dest
+ :)
+declare %updating  function write-xqdoc($path,$src,$dest){
+  let $url:=fn:resolve-uri( $path,$src)
+  let $type:=fetch:content-type($url)
+ 
+  return  switch($type)
+    case "application/xquery"
+      return file:write(
+          fn:resolve-uri($path || ".xml",$dest),
+           inspect:xqdoc($url)
+         )
+    default 
+      return ()
+
+};
+(:~ 
+: name of dist xar file eg "fred-0.1.0.xar"
+:)
+declare function xar-name($package as element(pkg:package)) as xs:string
+{
+fn:concat($package/@abbrev , "-" ,$package/@version, ".xar")
+};
+
+(:~ 
+: update package.xml located at $cxan to ensure has entry for package $pkg
+:)
+declare %updating function publish($pkg as element(pkg:package),$cxan)
+{
+let $doc:=copy  $c:=fn:doc($cxan)
+          modify(
+          let $pack:=$c/repo/pkg[name=$pkg/@name]
+          let $hit:= $pack/version[@num=$pkg/@version]
+          let $new:=<version num="{$pkg/@version}">
+                    <!-- generated: {fn:current-dateTime()} -->
+                    </version>
+          return if($hit)then () 
+                 else insert node $new into $pack
+               )
+          return $c
+return fn:put($doc,$cxan)
+};