$ git clone -n https://src.fedoraproject.org/rpms/python-lazr-uri.git /var/lib/mock/f45-build-31370-652/root/chroot_tmpdir/scmroot/python-lazr-uri
Cloning into '/var/lib/mock/f45-build-31370-652/root/chroot_tmpdir/scmroot/python-lazr-uri'...
$ git fetch origin f45e7d4503d05145fdd3a0a3f915f100994bfe45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-lazr-uri
 * [new ref]         f45e7d4503d05145fdd3a0a3f915f100994bfe45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f45e7d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild