$ git clone -n https://src.fedoraproject.org/rpms/rust-ansi_colours.git /var/lib/mock/f45-build-40052-767/root/chroot_tmpdir/scmroot/rust-ansi_colours
Cloning into '/var/lib/mock/f45-build-40052-767/root/chroot_tmpdir/scmroot/rust-ansi_colours'...
$ git fetch origin 7080020eff5bd297e795958e55771d15dab6a4e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ansi_colours
 * [new ref]         7080020eff5bd297e795958e55771d15dab6a4e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7080020 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild