$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-audio /var/lib/mock/f42-build-3429016-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-audio
Cloning into '/var/lib/mock/f42-build-3429016-45391/root/chroot_tmpdir/scmroot/rust-gstreamer-audio'...
$ git fetch origin 31976cf45e055d905da25c2360e457c4e165e2bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-audio
 * [new ref]         31976cf45e055d905da25c2360e457c4e165e2bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31976cf Update to version 0.23.5; Fixes RHBZ#2333663