$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11.git /var/lib/mock/f41-build-700629-12889/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11
Cloning into '/var/lib/mock/f41-build-700629-12889/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11'...
$ git fetch origin 41f52c7713bb171b498966e814ca8d874861c39b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11
 * [new ref]         41f52c7713bb171b498966e814ca8d874861c39b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41f52c7 Update to version 0.22.0; Fixes RHBZ#2263360