$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-audio.git /var/lib/mock/f40-build-2190270-51432/root/chroot_tmpdir/scmroot/rust-gstreamer-audio
Cloning into '/var/lib/mock/f40-build-2190270-51432/root/chroot_tmpdir/scmroot/rust-gstreamer-audio'...
$ git fetch origin d6eda5c0e7295e97f92204e0c5d4c98e29bf9a07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-audio
 * [new ref]         d6eda5c0e7295e97f92204e0c5d4c98e29bf9a07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6eda5c Update to version 0.21.1; Fixes RHBZ#2242108