$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11.git /var/lib/mock/f39-build-1572751-37791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11
Cloning into '/var/lib/mock/f39-build-1572751-37791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11'...
$ git fetch origin 53a774fb837a12a76083fcf0a124106d79264753:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11
 * [new ref]         53a774fb837a12a76083fcf0a124106d79264753 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53a774f Update to version 0.21.1; Fixes RHBZ#2245489