The attached patch advances the version of the racket expression in
nixpkgs to the latest released 6.8 version.
From 815aae487d5ed4b70145ebadc03a5bd040a8a829 Mon Sep 17 00:00:00 2001
From: Karn Kallio <kkallio@skami.org>
Date: Fri, 27 Jan 2017 22:55:18 -0400
Subject: [PATCH] racket: advance to the 6.8 latest released version.
termite broke when upgrading Gnome, as this removed a dependency from
the tree. I packaged this dependency (vte-ng) based upon the work of
@globin in https://github.com/NixOS/nixpkgs/issues/22026.
https://nixos.org/nixpkgs/manual/#r-packages contains a method for
setting up an R environment with a specific set of libraries, and it
creates an R wrapper which points R to those libraries.
The package RStudio relies on the standard R package, which then
cannot access any of the libraries specified in a custom R
environment. While one may easily use pkgs.rstudio.override to change
rstudio's R dependency to the custom R environment, this accomplishes
nothing because while RStudio runs the correct R wrapper it clears out
the environment variable R_LIBS_SITE - and so it is still unable to
use any of those packages.
In order to work around this problem, these changes allow the user to
optionally modify rstudio's wrapper to set environment variable
R_PROFILE_USER to an R script which sets R's .libPaths(..) to point to
the same libraries; that script is generated from R_LIBS_SITE in the R
wrapper.
By default, this change has no effect. If R is overridden to
something else, and if useRPackages is changed from its default of
false, then the change described above is made; for instance:
{
packageOverrides = pkgs: let self = pkgs.pkgs; in
rec {
rEnv = pkgs.rWrapper.override {
packages = with self.rPackages; [
dplyr ggplot2 e1071 rpart reshape
];
};
rstudioEnv = pkgs.rstudio.override { R = rEnv; useRPackages = true; };
};
}
vokoscreen is an easy to use screencast creator to record educational
videos, live recordings of browser, installation, videoconferences, etc.
It uses Qt5 and ffmpeg.
