$ git clone -n https://src.fedoraproject.org/rpms/kmenuedit.git /var/lib/mock/f40-build-2118962-50729/root/chroot_tmpdir/scmroot/kmenuedit
Cloning into '/var/lib/mock/f40-build-2118962-50729/root/chroot_tmpdir/scmroot/kmenuedit'...
$ git fetch origin 2beb8a283855af17ffd671b4275fb258f6f39d19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmenuedit
 * [new ref]         2beb8a283855af17ffd671b4275fb258f6f39d19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2beb8a2 5.91.0