$ git clone -n https://src.fedoraproject.org/rpms/python-towncrier.git /var/lib/mock/f45-build-33379-669/root/chroot_tmpdir/scmroot/python-towncrier
Cloning into '/var/lib/mock/f45-build-33379-669/root/chroot_tmpdir/scmroot/python-towncrier'...
$ git fetch origin 82c6f7d7b091e23add2d301026587b9e4cd55705:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-towncrier
 * [new ref]         82c6f7d7b091e23add2d301026587b9e4cd55705 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82c6f7d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild