$ git clone -n https://src.fedoraproject.org/rpms/zcfan.git /var/lib/mock/f39-build-2541646-61806/root/chroot_tmpdir/scmroot/zcfan
Cloning into '/var/lib/mock/f39-build-2541646-61806/root/chroot_tmpdir/scmroot/zcfan'...
$ git fetch origin a44f383e45bd58aee3a4d10ea679f0fbe5503003:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zcfan
 * [new ref]         a44f383e45bd58aee3a4d10ea679f0fbe5503003 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a44f383 Mark zcfan.service as conflicting with thinkfan.service