$ git clone -n https://src.fedoraproject.org/rpms/audacity.git /var/lib/mock/f40-build-750554-115123/root/chroot_tmpdir/scmroot/audacity
Cloning into '/var/lib/mock/f40-build-750554-115123/root/chroot_tmpdir/scmroot/audacity'...
$ git fetch origin ccdb110130c2d0b9c70913e57b798e2135be8323:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/audacity
 * [new ref]         ccdb110130c2d0b9c70913e57b798e2135be8323 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccdb110 Update to 3.3.3