anchor.diff:        export LANG="en_US.UTF-8"
         export LOCALE_ARCHIVE=${glibcLocales}/lib/locale/locale-archive
         testinterface="${test-interface."1.0"}/lib/test-interface.jar"
  -
         find src/main/scala -name '*.scala' > sources
         scalac \
           -classpath "$testinterface" \
  
positive.code:         -deprecation \
          -d ${name}.jar \
          @sources
  
        jar cf "${name}-sources.jar" LICENSE RELEASE -C src/main/scala .
  
        mkdir api && scaladoc \
          -doc-title ScalaCheck \
          -doc-version "${scVer}" \
          -doc-footer "${docFooter scVer sc.rev}" \
          -doc-source-url "${docSourceUrl scVer sc.rev}" \
          -classpath "$testinterface" \
          -sourcepath src/main/scala \
          -d api \
          @sources
  
        jar cf "${name}-javadoc.jar" -C api .
      '';
  
      checkPhase = ''
  
negative.code: { stdenv, fetchurl, fetchgit, openjdk, glibcLocales, lib, zip, xz }:
  
  with lib;
  with builtins;
  