alexhrescale

# as of this gist, tigervnc fails to build on the latest nix channel.
# this gist demonstrates using older build to launch it, with openbox
nix-channel --add https://nixos.org/channels/nixos-18.09
nix-channel --update

export DISPLAY=:1
export NIX_PATH=nixpkgs=/nix/var/nix/profiles/per-user/$USER/channels/nixos-18.09

# for changing the geometry online, see https://stackoverflow.com/a/38630417
case $1 in

alexhrescale

# set up base alpine image
ADMINUSER=$1
if [ ! -e nixos-docker ]; then
    git clone https://github.com/NixOS/docker nixos-docker
fi
pushd nixos-docker > /dev/null
    git checkout Dockerfile
    cp Dockerfile Dockerfile.orig
    cat Dockerfile.orig |
        sed "s/addgroup/sudo addgroup/" |

alexhrescale

let
  pkgs = import <nixpkgs> {};
  stdenv = pkgs.stdenv;
in stdenv.mkDerivation rec {
  name = "env";
  env = pkgs.buildEnv { name = name; paths = buildInputs; };
  buildInputs = [
    pkgs.buildah
    pkgs.conmon
    pkgs.podman

alexhrescale

# sets up a working jupyter notebook environment with
# - bash kernel support
# - jupyter_nbextensions_configurator with ExecuteTime enabled
# - jupytext
# tested on
#   - CentOS, macos using nix==2.2.2
#   - docker://ubuntu:latest using nix==2.1.3
# to connect to a remote host via ssh in bash_kernel, use:
#    ssh target-hostname -t 'PS1="[PEXPECT_PROMPT>" bash --norc --noprofile'

alexhrescale

# ref: http://www.jaakkoluttinen.fi/blog/conda-on-nixos/
# ref: https://github.com/NixOS/nixpkgs/blob/af9d10a91b5ef0518ee12b220470735076974210/pkgs/tools/package-management/conda/default.nix
with import <nixpkgs> {};

let
  condaDeps = [ stdenv.cc xorg.libSM xorg.libICE xorg.libXrender libselinux ];
  extraPkgs = [ which ];
  python_version = "2";
  conda_version = "4.6.14";
  src = fetchurl {

alexhrescale

from IPython.core.display import display, HTML
from lib.renderer import browser as brend
import ipywidgets as widgets
from IPython.display import display


def jupyter_display_table(entries, exclude_headers=None):
    headers = list(set([k for entry in entries for k in entry.keys()]))
    for hdr in (exclude_headers or []):
        headers.remove(hdr)

alexhrescale

{ stdenv, hostPlatform, fetchurl
, bzip2
, gdbm
, fetchpatch
, ncurses
, openssl
, readline
, sqlite
, tcl ? null, tk ? null, tix ? null, xlibsWrapper ? null, libX11 ? null, x11Support ? false
, zlib

alexhrescale

#!/bin/bash
if [ $# -lt 1 ]; then
    cat <<EOF

    Usage: $0 <directory> [tabwidth]

This script outputs a table of file information from the contents of <directory> like:

time  type  perm  uid  size  mime      hash  path  target
4444  file  -rw-  0    1111  text/...  abcd  /x/f

alexhrescale

let
  pkgs = import <nixpkgs> {};
  stdenv = pkgs.stdenv;
in stdenv.mkDerivation rec {
  name = "quick";
  env = pkgs.buildEnv { name = name; paths = buildInputs; };

  buildInputs = [
    pkgs.python27Packages.virtualenv

alexhrescale

with import <nixpkgs> {};

stdenv.mkDerivation rec {
  name = "dev-env";
  env = pkgs.buildEnv {
    name = name;
    paths = buildInputs;
  };
  buildInputs = [
    (vim_configurable.override {