$ git clone -n https://src.fedoraproject.org/rpms/perl-Clone.git /var/lib/mock/f41-build-846609-163137/root/chroot_tmpdir/scmroot/perl-Clone
Cloning into '/var/lib/mock/f41-build-846609-163137/root/chroot_tmpdir/scmroot/perl-Clone'...
$ git fetch origin 44d51f9779f7ba072da7a75cec3200d34864a9e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Clone
 * [new ref]         44d51f9779f7ba072da7a75cec3200d34864a9e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44d51f9 Update to 0.47