$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl /var/lib/mock/f42-build-3429010-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl
Cloning into '/var/lib/mock/f42-build-3429010-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-egl'...
$ git fetch origin 8d9daa5f8f65faacb57cb2597a00c6d5a0d57e07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-egl
 * [new ref]         8d9daa5f8f65faacb57cb2597a00c6d5a0d57e07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d9daa5 Update to version 0.23.5; Fixes RHBZ#2333668