$ git clone -n https://src.fedoraproject.org/rpms/python-aws-xray-sdk.git /var/lib/mock/f40-build-2636330-66151/root/chroot_tmpdir/scmroot/python-aws-xray-sdk
Cloning into '/var/lib/mock/f40-build-2636330-66151/root/chroot_tmpdir/scmroot/python-aws-xray-sdk'...
$ git fetch origin acc37c1b2344364ca6c7b8bcfe80eec5ceaf0aa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-aws-xray-sdk
 * [new ref]         acc37c1b2344364ca6c7b8bcfe80eec5ceaf0aa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acc37c1 Update to 2.13.0 (close RHBZ#2268344)