$ git clone -n https://src.fedoraproject.org/rpms/drumstick0.git /var/lib/mock/f41-build-side-1-2999776-36290/root/chroot_tmpdir/scmroot/drumstick0
Cloning into '/var/lib/mock/f41-build-side-1-2999776-36290/root/chroot_tmpdir/scmroot/drumstick0'...
$ git fetch origin 0dd6df43a782c9cd99a321469a16b11046571ad6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/drumstick0
 * [new ref]         0dd6df43a782c9cd99a321469a16b11046571ad6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dd6df4 convert GPLv2+ license to SPDX