$ git clone -n https://src.fedoraproject.org/rpms/udiskie.git /var/lib/mock/f41-build-side-2-python-2725379-30741/root/chroot_tmpdir/scmroot/udiskie
Cloning into '/var/lib/mock/f41-build-side-2-python-2725379-30741/root/chroot_tmpdir/scmroot/udiskie'...
$ git fetch origin 9130ae720e380a75147ffe137604a7e840aa32f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/udiskie
 * [new ref]         9130ae720e380a75147ffe137604a7e840aa32f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9130ae7 migrate tests to tmt