$ git clone -n http://fedora.riscv.rocks:3000/rpms/ffmpeg.git /var/lib/mock/f41-build-860009-168735/root/chroot_tmpdir/scmroot/ffmpeg
Cloning into '/var/lib/mock/f41-build-860009-168735/root/chroot_tmpdir/scmroot/ffmpeg'...
$ git fetch origin 5cae76a29b79e77a23a49773f57c364c9321241d:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ffmpeg
 * [new ref]         5cae76a29b79e77a23a49773f57c364c9321241d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cae76a Bootstrap (riscv64)