update_kde_pkgbuilds.sh doesn't insert the correct checksum values for packages named 'foo' if there are also packages named 'foobar'
Given the following directories/packages, the checksum of
foobar will be inserted into the
foo foobar bar baz
The other three get the correct checksums, though.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information