nixpkgs/pkgs/development/r-modules/wrapper-rstudio.nix
Chris Hodapp 29969a5ec7 rstudio: Fix recompilation issue with custom package set
This attempts to fix the issue described at
https://github.com/NixOS/nixpkgs/pull/22219#issuecomment-291801133.
Any change to the custom packages passed to RStudio causes this to
completely rebuild RStudio, which is completely unnecessary and also a
bit of a hindrance as it's a fairly slow build.

This rolls back most of that old PR, and instead implements something
more like rWrapper.  Existing configurations with the old useRPackages
will break.
2017-05-01 09:46:40 -04:00

33 lines
1.3 KiB
Nix

{ 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;
};
}