$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl.git /var/lib/mock/f42-build-side-1-3586018-46913/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl
Cloning into '/var/lib/mock/f42-build-side-1-3586018-46913/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl'...
$ git fetch origin 323c56f497048646556f8716a70b91382bd6ceec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl
 * [new ref]         323c56f497048646556f8716a70b91382bd6ceec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 323c56f Update to version 0.23.6; Fixes RHBZ#2365900