$ git clone -n https://src.fedoraproject.org/rpms/xload.git /var/lib/mock/f45-build-38908-730/root/chroot_tmpdir/scmroot/xload
Cloning into '/var/lib/mock/f45-build-38908-730/root/chroot_tmpdir/scmroot/xload'...
$ git fetch origin a843c2bad87fd7046cfdb1f8d13dee6846972ccf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xload
 * [new ref]         a843c2bad87fd7046cfdb1f8d13dee6846972ccf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a843c2b Update to 1.2.2 upstream release