$ git clone -n https://src.fedoraproject.org/rpms/hiredis.git /var/lib/mock/f45-build-13465-451/root/chroot_tmpdir/scmroot/hiredis
Cloning into '/var/lib/mock/f45-build-13465-451/root/chroot_tmpdir/scmroot/hiredis'...
$ git fetch origin 724e0e2c02e08809653a95a0e56df46207b9e7e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hiredis
 * [new ref]         724e0e2c02e08809653a95a0e56df46207b9e7e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 724e0e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild