$ git clone -n https://src.fedoraproject.org/rpms/python-django.git /var/lib/mock/f41-build-side-1-2933710-35205/root/chroot_tmpdir/scmroot/python-django
Cloning into '/var/lib/mock/f41-build-side-1-2933710-35205/root/chroot_tmpdir/scmroot/python-django'...
$ git fetch origin 26a627ac43b6c658f291393ca173e41641b9737d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-django
 * [new ref]         26a627ac43b6c658f291393ca173e41641b9737d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26a627a Update to version 4.2.16