$ git clone -n https://src.fedoraproject.org/rpms/python-pyrtlsdr.git /var/lib/mock/f40-build-2204106-51949/root/chroot_tmpdir/scmroot/python-pyrtlsdr
Cloning into '/var/lib/mock/f40-build-2204106-51949/root/chroot_tmpdir/scmroot/python-pyrtlsdr'...
$ git fetch origin 3903ffcf8dd00daf3e73527cbc8af6036d3e387d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyrtlsdr
 * [new ref]         3903ffcf8dd00daf3e73527cbc8af6036d3e387d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3903ffc New version