$ git clone -n https://src.fedoraproject.org/rpms/plasma5support.git /var/lib/mock/f42-build-side-1-3502137-45977/root/chroot_tmpdir/scmroot/plasma5support
Cloning into '/var/lib/mock/f42-build-side-1-3502137-45977/root/chroot_tmpdir/scmroot/plasma5support'...
$ git fetch origin 8c053aabb28e8850b94b8b24d71be6c428367f5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma5support
 * [new ref]         8c053aabb28e8850b94b8b24d71be6c428367f5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c053aa Rebuild (qt6)