$ git clone -n https://src.fedoraproject.org/rpms/rust-wayland-sys.git /var/lib/mock/f45-build-46158-831/root/chroot_tmpdir/scmroot/rust-wayland-sys
Cloning into '/var/lib/mock/f45-build-46158-831/root/chroot_tmpdir/scmroot/rust-wayland-sys'...
$ git fetch origin 5ffbb84d6a85696a6e49b45ea841436322ec154b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wayland-sys
 * [new ref]         5ffbb84d6a85696a6e49b45ea841436322ec154b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ffbb84 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild