/usr/share/ is in libdune-common-dev 2.5.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dune/
/usr/share/dune/cmake/
/usr/share/bash-completion/
/usr/share/bash-completion/completions/
/usr/share/bash-completion/completions/dunecontrol
/usr/share/doc/
/usr/share/doc/libdune-common-dev/
/usr/share/doc/libdune-common-dev/changelog.Debian.gz
/usr/share/doc/libdune-common-dev/copyright
/usr/share/dune/cmake/modules/
/usr/share/dune/cmake/modules/AddGMPFlags.cmake
/usr/share/dune/cmake/modules/AddMETISFlags.cmake
/usr/share/dune/cmake/modules/AddPTScotchFlags.cmake
/usr/share/dune/cmake/modules/AddParMETISFlags.cmake
/usr/share/dune/cmake/modules/AddSuiteSparseFlags.cmake
/usr/share/dune/cmake/modules/AddUMFPackFlags.cmake
/usr/share/dune/cmake/modules/AddVcFlags.cmake
/usr/share/dune/cmake/modules/CMakeBuiltinFunctionsDocumentation.cmake
/usr/share/dune/cmake/modules/CheckCXXFeatures.cmake
/usr/share/dune/cmake/modules/CheckForPthreads.c
/usr/share/dune/cmake/modules/DuneCommonMacros.cmake
/usr/share/dune/cmake/modules/DuneCxaDemangle.cmake
/usr/share/dune/cmake/modules/DuneDoc.cmake
/usr/share/dune/cmake/modules/DuneDoxygen.cmake
/usr/share/dune/cmake/modules/DuneEnableAllPackages.cmake
/usr/share/dune/cmake/modules/DuneMPI.cmake
/usr/share/dune/cmake/modules/DuneMacros.cmake
/usr/share/dune/cmake/modules/DunePathHelper.cmake
/usr/share/dune/cmake/modules/DunePkgConfig.cmake
/usr/share/dune/cmake/modules/DuneSphinxCMakeDoc.cmake
/usr/share/dune/cmake/modules/DuneStreams.cmake
/usr/share/dune/cmake/modules/DuneSymlinkOrCopy.cmake
/usr/share/dune/cmake/modules/DuneTestMacros.cmake
/usr/share/dune/cmake/modules/FindGMP.cmake
/usr/share/dune/cmake/modules/FindInkscape.cmake
/usr/share/dune/cmake/modules/FindMETIS.cmake
/usr/share/dune/cmake/modules/FindMProtect.cmake
/usr/share/dune/cmake/modules/FindPTScotch.cmake
/usr/share/dune/cmake/modules/FindParMETIS.cmake
/usr/share/dune/cmake/modules/FindSphinx.cmake
/usr/share/dune/cmake/modules/FindSuiteSparse.cmake
/usr/share/dune/cmake/modules/FindThreadsCMake31.cmake
/usr/share/dune/cmake/modules/FindUMFPack.cmake
/usr/share/dune/cmake/modules/Headercheck.cmake
/usr/share/dune/cmake/modules/LanguageSupport.cmake
/usr/share/dune/cmake/modules/OverloadCompilerFlags.cmake
/usr/share/dune/cmake/modules/UseInkscape.cmake
/usr/share/dune/cmake/modules/UseLATEX.cmake
/usr/share/dune/cmake/scripts/
/usr/share/dune/cmake/scripts/CreateDoxyFile.cmake
/usr/share/dune/cmake/scripts/FinalizeHeadercheck.cmake
/usr/share/dune/cmake/scripts/InstallFile.cmake
/usr/share/dune/cmake/scripts/RunDoxygen.cmake
/usr/share/dune/cmake/scripts/conf.py.in
/usr/share/dune/cmake/scripts/extract_cmake_data.py
/usr/share/dune/cmake/scripts/index.rst.in
/usr/share/dune/cmake/scripts/main77.cc.in
/usr/share/dune/cmake/scripts/sphinx_cmake_dune.py
/usr/share/dune/dune-debian.mk
/usr/share/dune-common/
/usr/share/dune-common/config.h.cmake
/usr/share/dune-common/doc/
/usr/share/dune-common/doc/doxygen/
/usr/share/dune-common/doc/doxygen/Doxystyle
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libdune-common-dev
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/dunecontrol.1.gz