$ git clone -n https://src.fedoraproject.org/rpms/pythran.git /var/lib/mock/f41-build-747757-13363/root/chroot_tmpdir/scmroot/pythran
Cloning into '/var/lib/mock/f41-build-747757-13363/root/chroot_tmpdir/scmroot/pythran'...
$ git fetch origin bb7899bf1524fae32f3136c20e833d75c197c381:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pythran
 * [new ref]         bb7899bf1524fae32f3136c20e833d75c197c381 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb7899b Update to 0.16.1