$ git clone -n https://src.fedoraproject.org/rpms/rust-tabwriter.git /var/lib/mock/f45-build-45297-822/root/chroot_tmpdir/scmroot/rust-tabwriter
Cloning into '/var/lib/mock/f45-build-45297-822/root/chroot_tmpdir/scmroot/rust-tabwriter'...
$ git fetch origin 78e4fdf6ceea572abdaefec0f11605003697b2ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tabwriter
 * [new ref]         78e4fdf6ceea572abdaefec0f11605003697b2ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78e4fdf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild