$ git clone -n https://src.fedoraproject.org/rpms/webrtc-audio-processing0.3.git /var/lib/mock/f40-build-788128-135041/root/chroot_tmpdir/scmroot/webrtc-audio-processing0.3
Cloning into '/var/lib/mock/f40-build-788128-135041/root/chroot_tmpdir/scmroot/webrtc-audio-processing0.3'...
$ git fetch origin 1d767fc2a09264874ef6ada4d008ef727e358ca3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/webrtc-audio-processing0.3
 * [new ref]         1d767fc2a09264874ef6ada4d008ef727e358ca3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d767fc Initial build