$ git clone -n https://src.fedoraproject.org/rpms/kicad.git /var/lib/mock/f39-build-2531680-61806/root/chroot_tmpdir/scmroot/kicad
Cloning into '/var/lib/mock/f39-build-2531680-61806/root/chroot_tmpdir/scmroot/kicad'...
$ git fetch origin 2720c3a3f2aa40baeb087ad3ea0542efb173f8a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kicad
 * [new ref]         2720c3a3f2aa40baeb087ad3ea0542efb173f8a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2720c3a Clipper patch for gcc error