$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-wayland.git /var/lib/mock/f40-build-2656304-66915/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-wayland
Cloning into '/var/lib/mock/f40-build-2656304-66915/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-wayland'...
$ git fetch origin ee4b0225959bf3008051d6db65632d317daf8cca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-wayland
 * [new ref]         ee4b0225959bf3008051d6db65632d317daf8cca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee4b022 Update to version 0.22.0; Fixes RHBZ#2263358