$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11-sys.git /var/lib/mock/f42-build-side-1-3584810-46896/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11-sys
Cloning into '/var/lib/mock/f42-build-side-1-3584810-46896/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11-sys'...
$ git fetch origin c09cf29c9cda0694c41944ead14ac8117a9154fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11-sys
 * [new ref]         c09cf29c9cda0694c41944ead14ac8117a9154fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c09cf29 Enable feature for GStreamer 1.26 API support