lib/metanorma/collection/renderer/fileprocess.rb in metanorma-2.0.0 vs lib/metanorma/collection/renderer/fileprocess.rb in metanorma-2.0.1

@@ -49,10 +49,11 @@
         out = Pathname.new(@files.get(identifier, :out_path)).cleanpath
         out.absolute? and
           out = out.relative_path_from(File.expand_path(FileUtils.pwd))
         dest = File.join(@outdir, @disambig.source2dest_filename(out.to_s))
         FileUtils.mkdir_p(File.dirname(dest))
-        FileUtils.cp @files.get(identifier, :ref), dest
+        source = @files.get(identifier, :ref)
+        source != dest and FileUtils.cp source, dest
       end
 
       # process each file in the collection
       # files are held in memory, and altered as postprocessing
       def files # rubocop:disable Metrics/AbcSize, Metrics/MethodLength