$ git clone -n https://src.fedoraproject.org/rpms/plotdrop.git /var/lib/mock/f41-build-2566866-25540/root/chroot_tmpdir/scmroot/plotdrop
Cloning into '/var/lib/mock/f41-build-2566866-25540/root/chroot_tmpdir/scmroot/plotdrop'...
$ git fetch origin af3dbca7d4117c484afca05940f13d4b63b241dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plotdrop
 * [new ref]         af3dbca7d4117c484afca05940f13d4b63b241dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af3dbca convert GPLv2 license to SPDX