$ git clone -n https://src.fedoraproject.org/rpms/python-fiona.git /var/lib/mock/f38-build-side-42-init-devel-708303-27206/root/chroot_tmpdir/scmroot/python-fiona
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-708303-27206/root/chroot_tmpdir/scmroot/python-fiona'...
$ git fetch origin 95d2b27f866f0d541931ffdf509d183b92cbb26b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fiona
 * [new ref]         95d2b27f866f0d541931ffdf509d183b92cbb26b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95d2b27 Update to latest version (#2180263)