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{ runCommand
, R
, rstudio
, makeWrapper
, wrapQtAppsHook
, recommendedPackages
, packages
, fontconfig
}:

runCommand (rstudio.name + "-wrapper")
{
  preferLocalBuild = true;
  allowSubstitutes = false;

  nativeBuildInputs = [ (if rstudio.server then makeWrapper else wrapQtAppsHook) ];
  dontWrapQtApps = true;

  buildInputs = [ R rstudio ] ++ recommendedPackages ++ packages;

  # rWrapper points R to a specific set of packages by using a wrapper
  # (as in https://nixos.org/nixpkgs/manual/#r-packages) which sets
  # R_LIBS_SITE.  Ordinarily, it would be possible to make RStudio use
  # this same set of packages by simply overriding its version of R
  # with the wrapped one, however, RStudio internally overrides
  # R_LIBS_SITE.  The below works around this by turning R_LIBS_SITE
  # into an R file (fixLibsR) which achieves the same effect, then
  # uses R_PROFILE_USER to load this code at startup in RStudio.
  fixLibsR = "fix_libs.R";
}
  (
    ''
      mkdir -p $out/bin
      ln -s ${rstudio}/share $out
      echo "# Autogenerated by wrapper-rstudio.nix from R_LIBS_SITE" > $out/$fixLibsR
      echo -n ".libPaths(c(.libPaths(), \"" >> $out/$fixLibsR
      echo -n $R_LIBS_SITE | sed -e 's/:/", "/g' >> $out/$fixLibsR
      echo -n "\"))" >> $out/$fixLibsR
      echo >> $out/$fixLibsR
    '' +
    (if
      rstudio.server then ''
      makeWrapper ${rstudio}/bin/rsession $out/bin/rsession \
        --set R_PROFILE_USER $out/$fixLibsR --set FONTCONFIG_FILE ${fontconfig.out}/etc/fonts/fonts.conf

      makeWrapper ${rstudio}/bin/rserver $out/bin/rserver \
        --add-flags --rsession-path=$out/bin/rsession
    ''
    else
      ''
        makeQtWrapper ${rstudio}/bin/rstudio $out/bin/rstudio \
          --set R_PROFILE_USER $out/$fixLibsR
      '')
  )