source+=(
  '4f3cc3ed446170a161cf8ecb644a740ac233b005.patch'
  'ef4791393db1ab586400d326ae7d7993e5610d00.patch'
)
unset md5sums
sha512sums=(
  'SKIP'
  'e86c54bd4bc3492eae0b1cf69a5ea717130024bc6088e994a9a0fae040fdc6962bbbd50cfa4a66b6db228360dd32c0318003f2248f0e41443b60990c67ebcf50'
  'f646c59e2b1cab40f67c0e150d33bae55bf8d01142c2e6f7d52c331909c5ecbfcd004b4aaafefb07cea268f9dd1c406c4da77e18453097fc0e3f11467b9a39c8'
)
eval "$(
  declare -f prepare | \
    sed '
      2 a cd "$srcdir/grumpy" \
      patch -p1 -i "$srcdir/ef4791393db1ab586400d326ae7d7993e5610d00.patch" \
      patch -p1 -i "$srcdir/4f3cc3ed446170a161cf8ecb644a740ac233b005.patch"
    '
)"