$ git clone -n https://src.fedoraproject.org/rpms/supermin.git /var/lib/mock/f39-build-1753100-41468/root/chroot_tmpdir/scmroot/supermin
Cloning into '/var/lib/mock/f39-build-1753100-41468/root/chroot_tmpdir/scmroot/supermin'...
$ git fetch origin b394af62b0292e4243354236eb984218be48499f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/supermin
 * [new ref]         b394af62b0292e4243354236eb984218be48499f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b394af6 Defer dnf5 until Fedora 41