$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-digester.git /var/lib/mock/f40-build-2390835-60526/root/chroot_tmpdir/scmroot/apache-commons-digester
Cloning into '/var/lib/mock/f40-build-2390835-60526/root/chroot_tmpdir/scmroot/apache-commons-digester'...
$ git fetch origin 9055254980287639616088d7c2aabf8190acb85a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-digester
 * [new ref]         9055254980287639616088d7c2aabf8190acb85a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9055254 Port to apache-commons-parent 65