$ git clone -n https://src.fedoraproject.org/rpms/sc.git /var/lib/mock/f45-build-35655-698/root/chroot_tmpdir/scmroot/sc
Cloning into '/var/lib/mock/f45-build-35655-698/root/chroot_tmpdir/scmroot/sc'...
$ git fetch origin 0c2013e0576104d2111630f60c50804e5afa717c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sc
 * [new ref]         0c2013e0576104d2111630f60c50804e5afa717c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c2013e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild