$ git clone -n https://src.fedoraproject.org/rpms/rust-wayland-client.git /var/lib/mock/f40-build-2144871-50875/root/chroot_tmpdir/scmroot/rust-wayland-client
Cloning into '/var/lib/mock/f40-build-2144871-50875/root/chroot_tmpdir/scmroot/rust-wayland-client'...
$ git fetch origin 879a518bd4052a5b199b5f79faf59ea2e2cc3eaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wayland-client
 * [new ref]         879a518bd4052a5b199b5f79faf59ea2e2cc3eaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 879a518 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild