$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdesu.git /var/lib/mock/f40-build-2263989-54544/root/chroot_tmpdir/scmroot/kf6-kdesu
Cloning into '/var/lib/mock/f40-build-2263989-54544/root/chroot_tmpdir/scmroot/kf6-kdesu'...
$ git fetch origin ed95d1f3df415b4a1c0280dfc0a801d7110de389:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdesu
 * [new ref]         ed95d1f3df415b4a1c0280dfc0a801d7110de389 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed95d1f 5.248.0