$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11.git /var/lib/mock/f45-build-42177-791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11
Cloning into '/var/lib/mock/f45-build-42177-791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11'...
$ git fetch origin 1ae1f8c5f75db1809b7e9a747356b84caf553a7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11
 * [new ref]         1ae1f8c5f75db1809b7e9a747356b84caf553a7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ae1f8c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild