$ git clone -n https://src.fedoraproject.org/rpms/python-rpds-py.git /var/lib/mock/f39-build-1729007-41246/root/chroot_tmpdir/scmroot/python-rpds-py
Cloning into '/var/lib/mock/f39-build-1729007-41246/root/chroot_tmpdir/scmroot/python-rpds-py'...
$ git fetch origin 2d9b40b114253b9250990e7e8137b8e07d33c801:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rpds-py
 * [new ref]         2d9b40b114253b9250990e7e8137b8e07d33c801 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d9b40b Update to 0.12 (fedora#2247859)