$ git clone -n https://src.fedoraproject.org/rpms/rust-wayland-sys.git /var/lib/mock/f39-build-2169493-51003/root/chroot_tmpdir/scmroot/rust-wayland-sys
Cloning into '/var/lib/mock/f39-build-2169493-51003/root/chroot_tmpdir/scmroot/rust-wayland-sys'...
$ git fetch origin 67d26706d59217e357c5981c7d4f5e3d7b98683a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wayland-sys
 * [new ref]         67d26706d59217e357c5981c7d4f5e3d7b98683a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67d2670 Update to 0.31.1 (rhbz#2212358)