$ git clone -n https://src.fedoraproject.org/rpms/felix-utils.git /var/lib/mock/f40-build-2132260-50808/root/chroot_tmpdir/scmroot/felix-utils
Cloning into '/var/lib/mock/f40-build-2132260-50808/root/chroot_tmpdir/scmroot/felix-utils'...
$ git fetch origin 775ecff3fbef3b05d9eebf47e8af4833a4e9d923:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/felix-utils
 * [new ref]         775ecff3fbef3b05d9eebf47e8af4833a4e9d923 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 775ecff Update javapackages test plan to f40