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{ stdenv, R, rstudio, makeWrapper, recommendedPackages, packages }:
stdenv.mkDerivation rec {
name = rstudio.name + "-wrapper";
buildInputs = [makeWrapper R rstudio] ++ recommendedPackages ++ packages;
unpackPhase = ":";
# 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";
installPhase = ''
mkdir $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}
makeWrapper ${rstudio}/bin/rstudio $out/bin/rstudio --set R_PROFILE_USER $out/${fixLibsR}
'';
meta = {
platforms = stdenv.lib.platforms.unix;
};
}
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