$ git clone -n https://src.fedoraproject.org/rpms/python-httpbin.git /var/lib/mock/f40-build-2634880-66035/root/chroot_tmpdir/scmroot/python-httpbin
Cloning into '/var/lib/mock/f40-build-2634880-66035/root/chroot_tmpdir/scmroot/python-httpbin'...
$ git fetch origin 2f47a7fc2636d172823ecc15f8a9f46b5ada16b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-httpbin
 * [new ref]         2f47a7fc2636d172823ecc15f8a9f46b5ada16b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f47a7f Fix /bytes endpoint with newer werkzeug versions