$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-pbutils.git /var/lib/mock/f42-build-side-1-3587956-46941/root/chroot_tmpdir/scmroot/rust-gstreamer-pbutils
Cloning into '/var/lib/mock/f42-build-side-1-3587956-46941/root/chroot_tmpdir/scmroot/rust-gstreamer-pbutils'...
$ git fetch origin 0731aadcb34c6ba1ae609eb2a5d13de782a68dc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-pbutils
 * [new ref]         0731aadcb34c6ba1ae609eb2a5d13de782a68dc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0731aad Enable feature for GStreamer 1.26 API support