$ git clone -n https://src.fedoraproject.org/rpms/mopidy.git /var/lib/mock/f39-build-1601108-38556/root/chroot_tmpdir/scmroot/mopidy
Cloning into '/var/lib/mock/f39-build-1601108-38556/root/chroot_tmpdir/scmroot/mopidy'...
$ git fetch origin 43528854f19cb6ed5cac795337d12584448c28b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mopidy
 * [new ref]         43528854f19cb6ed5cac795337d12584448c28b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4352885 Update to 3.4.2 (#2247358)