$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f40-build-812360-147806/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f40-build-812360-147806/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin a69d6cc6b8dde291bcd5ecf22123ff4b2c2e4106:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             a69d6cc6b8dde291bcd5ecf22123ff4b2c2e4106 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a69d6cc6b Merge remote-tracking branch 'up/f40' into f40-riscv64