$ git clone -n https://src.fedoraproject.org/rpms/kmousetool.git /var/lib/mock/f42-build-863610-171716/root/chroot_tmpdir/scmroot/kmousetool
Cloning into '/var/lib/mock/f42-build-863610-171716/root/chroot_tmpdir/scmroot/kmousetool'...
$ git fetch origin d31b75d5bb17f205a79fabde0a83befa66910911:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmousetool
 * [new ref]         d31b75d5bb17f205a79fabde0a83befa66910911 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d31b75d 24.12.0