$ git clone -n https://src.fedoraproject.org/rpms/pystatgrab.git /var/lib/mock/f41-build-814042-148855/root/chroot_tmpdir/scmroot/pystatgrab
Cloning into '/var/lib/mock/f41-build-814042-148855/root/chroot_tmpdir/scmroot/pystatgrab'...
$ git fetch origin 297bac9f2ba10dc02ad77b82d39a8795abbac1e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pystatgrab
 * [new ref]         297bac9f2ba10dc02ad77b82d39a8795abbac1e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 297bac9 update to 0.7.3