uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/r-modules/wrapper-rstudio.nix

@@ -0,0 +1,55 @@
+{ lib
+, 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
+      '')
+  )