$ git clone -n http://fedora.riscv.rocks:3000/rpms/systemd.git /var/lib/mock/f38-build-709065-92692/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/f38-build-709065-92692/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 3066218d7446b356c9fa996b2c5faa8b4177a3f9:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/systemd
 * [new ref]         3066218d7446b356c9fa996b2c5faa8b4177a3f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3066218 Enable LTO; Set fortify to level 2