$ git clone -n https://src.fedoraproject.org/rpms/kmousetool.git /var/lib/mock/f41-build-856870-167800/root/chroot_tmpdir/scmroot/kmousetool
Cloning into '/var/lib/mock/f41-build-856870-167800/root/chroot_tmpdir/scmroot/kmousetool'...
$ git fetch origin 55068d341b64693c502e2111a4ff5e43eb93ef4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmousetool
 * [new ref]         55068d341b64693c502e2111a4ff5e43eb93ef4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55068d3 24.08.2