Same issue as mentioned in
HADOOP-16919 is present in hadoop distribution generation as well.
Handle following comments from elek in 1.0.0-RC0 voting mail thread here[https://lists.apache.org/thread.html/r1f2e8325ecef239f0d713c683a16336e2a22431a9f6bfbde3c763816%40%3Ccommon-dev.hadoop.apache.org%3E]
3. Yetus seems to be included in the source package. I am not sure if
it's intentional but I would remove the patchprocess directory from the
7. Minor nit: I would suggest to use only the filename in the sha512
files (instead of having the /build/source/target prefix). It would help
to use `sha512 -c` command to validate the checksum.