rawtherapee: fix version information (#428189)

  };

  postPatch = ''

    echo "set(HG_VERSION ${version})" > ReleaseInfo.cmake

    cat <<EOF > ReleaseInfo.cmake

    set(GIT_DESCRIBE ${version})

    set(GIT_BRANCH ${version})

    set(GIT_VERSION ${version})

    # Missing GIT_COMMIT and GIT_COMMIT_DATE, which are not easy to obtain.

    set(GIT_COMMITS_SINCE_TAG 0)

    set(GIT_COMMITS_SINCE_BRANCH 0)

    set(GIT_VERSION_NUMERIC_BS ${version})

    EOF

    substituteInPlace tools/osx/Info.plist.in rtgui/config.h.in \

      --replace "/Applications" "${placeholder "out"}/Applications"

  '';