$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl-sys /var/lib/mock/f42-build-3429015-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl-sys
Cloning into '/var/lib/mock/f42-build-3429015-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl-sys'...
$ git fetch origin 3e44db4c41f85a643e48693c319645baafa21f04:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl-sys
 * [new ref]         3e44db4c41f85a643e48693c319645baafa21f04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e44db4 Update to version 0.23.5; Fixes RHBZ#2333669