$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcmutils.git /var/lib/mock/f40-build-792729-138594/root/chroot_tmpdir/scmroot/kf6-kcmutils
Cloning into '/var/lib/mock/f40-build-792729-138594/root/chroot_tmpdir/scmroot/kf6-kcmutils'...
$ git fetch origin 02f7a027661ba1cdac48900beccd71909f0e34f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcmutils
 * [new ref]         02f7a027661ba1cdac48900beccd71909f0e34f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02f7a02 Rebuild respun sources (previous commit)