$ git clone -n https://src.fedoraproject.org/rpms/koan.git /var/lib/mock/f41-build-side-2-python-2708249-30471/root/chroot_tmpdir/scmroot/koan
Cloning into '/var/lib/mock/f41-build-side-2-python-2708249-30471/root/chroot_tmpdir/scmroot/koan'...
$ git fetch origin 0c702fcdbc7941ebeeb1c3677bf4763981fa4e8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koan
 * [new ref]         0c702fcdbc7941ebeeb1c3677bf4763981fa4e8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c702fc convert GPLv2+ license to SPDX