$ git clone -n http://fedora.riscv.rocks:3000/rpms/systemd.git /var/lib/mock/f40-build-794230-139514/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/f40-build-794230-139514/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin bdc548865b30f32f5f876bc9fd53f4191185a188:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/systemd
 * [new ref]         bdc548865b30f32f5f876bc9fd53f4191185a188 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdc5488 Enable bootloader & proper check valgrind support