/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/ is in libignition-cmake-dev 0.4.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/Export.hh.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindAVCODEC.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindAVDEVICE.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindAVFORMAT.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindAVUTIL.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindCPPZMQ.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindDL.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindFreeImage.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindGTS.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindIFADDRS.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindIgnCURL.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindIgnProtobuf.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindJSONCPP.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindODE.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindOGRE.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindSWSCALE.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindTINYXML2.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindUUID.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindYAML.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindZIP.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/FindZeroMQ.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnCMake.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnCheckSSE.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnCodeCoverage.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnConfigureBuild.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnConfigureProject.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnCreateDocs.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnImportTarget.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnPackaging.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnPkgConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnRonn2Man.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnSetCompilerFlags.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/IgnUtils.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/cmake_uninstall.cmake.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/cpack_options.cmake.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/ign_auto_headers.hh.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/ignition-config.cmake.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/pkgconfig/
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/pkgconfig/ignition.pc.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/cmake0/upload_doc.sh.in
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/ignition-cmake0-config-version.cmake
/usr/lib/x86_64-linux-gnu/cmake/ignition-cmake0/ignition-cmake0-config.cmake