$ git clone -n https://src.fedoraproject.org/rpms/python-zope-exceptions.git /var/lib/mock/f41-build-side-1-2815400-32952/root/chroot_tmpdir/scmroot/python-zope-exceptions
Cloning into '/var/lib/mock/f41-build-side-1-2815400-32952/root/chroot_tmpdir/scmroot/python-zope-exceptions'...
$ git fetch origin 06d59ea1de4083b70d9f648422bd4df76174cec3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zope-exceptions
 * [new ref]         06d59ea1de4083b70d9f648422bd4df76174cec3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06d59ea Version 5.1 (rhbz#2290844)