$ git clone -n https://src.fedoraproject.org/rpms/golang-github-twinj-uuid.git /var/lib/mock/f45-build-12562-442/root/chroot_tmpdir/scmroot/golang-github-twinj-uuid
Cloning into '/var/lib/mock/f45-build-12562-442/root/chroot_tmpdir/scmroot/golang-github-twinj-uuid'...
$ git fetch origin 99e6b2e19323bad1e6affb6f6e2bb7758f462414:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-twinj-uuid
 * [new ref]         99e6b2e19323bad1e6affb6f6e2bb7758f462414 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99e6b2e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild