$ git clone -n https://src.fedoraproject.org/rpms/webrtc-audio-processing.git /var/lib/mock/f40-build-787513-134782/root/chroot_tmpdir/scmroot/webrtc-audio-processing
Cloning into '/var/lib/mock/f40-build-787513-134782/root/chroot_tmpdir/scmroot/webrtc-audio-processing'...
$ git fetch origin 4ee94f04b81c0524202efa00b0cca1d803650c73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/webrtc-audio-processing
 * [new ref]         4ee94f04b81c0524202efa00b0cca1d803650c73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ee94f0 1.3