anchor.diff:      IFS=":"
       NEWPATH=$NIX_BUILD_TOP/go
       mkdir -p "$NIX_BUILD_TOP/unpack"
  -    pushd "$NIX_BUILD_TOP/unpack"
  +    pushd "$NIX_BUILD_TOP/unpack" >/dev/null
       args=()
       decompress() {
         echo "Decompressing $1" >&2
  
positive.code: 
      mkdir -p $out
      mkdir "$NIX_BUILD_TOP/${name}"
      pushd "$NIX_BUILD_TOP/go"
      if [ -n "$subPackages" ]; then
        subPackageExpr='/\('
        for subPackage in $subPackages; do
  
negative.code:       fi
  
        mv go/src/$goPackagePath/vendor/gx go/src
        pushd go/src >/dev/null
        find gx -name vendor | xargs rm -rf
        deps=($(find gx -name package.json -exec dirname {} \;))
        for dep in "''${deps[@]}"; do
  