$ git clone -n https://src.fedoraproject.org/rpms/task2.git /var/lib/mock/f41-build-846014-162905/root/chroot_tmpdir/scmroot/task2
Cloning into '/var/lib/mock/f41-build-846014-162905/root/chroot_tmpdir/scmroot/task2'...
$ git fetch origin 9d40702f1feed071955343caa69cf677fa3a35f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/task2
 * [new ref]         9d40702f1feed071955343caa69cf677fa3a35f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d40702 fix: correct autosetup command