$ git clone -n https://src.fedoraproject.org/rpms/python-isort.git /var/lib/mock/f45-build-31146-650/root/chroot_tmpdir/scmroot/python-isort
Cloning into '/var/lib/mock/f45-build-31146-650/root/chroot_tmpdir/scmroot/python-isort'...
$ git fetch origin 8ae0d7f43808324812f8de34aac54d5855190a88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-isort
 * [new ref]         8ae0d7f43808324812f8de34aac54d5855190a88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ae0d7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild