$ git clone -n https://src.fedoraproject.org/rpms/ty.git /var/lib/mock/f45-build-128893-20414/root/chroot_tmpdir/scmroot/ty
Cloning into '/var/lib/mock/f45-build-128893-20414/root/chroot_tmpdir/scmroot/ty'...
$ git fetch origin 26f416618d85794e798a6c80e49bb178ae3afb2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ty
 * [new ref]         26f416618d85794e798a6c80e49bb178ae3afb2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26f4166 Update to 0.0.72 (close RHBZ#2499544)