$ git clone -n https://src.fedoraproject.org/rpms/mopidy.git /var/lib/mock/f42-build-side-1-3589002-46952/root/chroot_tmpdir/scmroot/mopidy
Cloning into '/var/lib/mock/f42-build-side-1-3589002-46952/root/chroot_tmpdir/scmroot/mopidy'...
$ git fetch origin b7f8af7e2943102f2a6b3847bc18326b6973cdcf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mopidy
 * [new ref]         b7f8af7e2943102f2a6b3847bc18326b6973cdcf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7f8af7 update to alpha4 and add gstreamer 1.26 compatibility