├── LICENSE
├── README.md
└── nix-cabal


/LICENSE:
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 1 | Copyright (c) 2018, Vladislav Zavialov
 2 |               2018, Monadfix
 3 | 
 4 | All rights reserved.
 5 | 
 6 | Redistribution and use in source and binary forms, with or without
 7 | modification, are permitted provided that the following conditions are met:
 8 | 
 9 |     * Redistributions of source code must retain the above copyright
10 |       notice, this list of conditions and the following disclaimer.
11 | 
12 |     * Redistributions in binary form must reproduce the above
13 |       copyright notice, this list of conditions and the following
14 |       disclaimer in the documentation and/or other materials provided
15 |       with the distribution.
16 | 
17 |     * Neither the name of Monadfix nor the names of other
18 |       contributors may be used to endorse or promote products derived
19 |       from this software without specific prior written permission.
20 | 
21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 | 


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/README.md:
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 1 | # nix-cabal
 2 | 
 3 | ![nix-logo](https://user-images.githubusercontent.com/4061728/48418536-978bc480-e766-11e8-9206-44292ea5e0f1.png) ![cabal-logo](https://user-images.githubusercontent.com/4061728/48418551-a07c9600-e766-11e8-9b47-a6497986936d.png)
 4 | 
 5 | This is a small wrapper script to run `cabal` inside `nix-shell`. It assumes
 6 | `shell.nix` to be present in the current directory.
 7 | 
 8 | ## Installation
 9 | 
10 | Download the script to a location of your choice, for instance
11 | `$HOME/.local/bin/`, and make it executable:
12 | 
13 | ```bash
14 | curl https://raw.githubusercontent.com/monadfix/nix-cabal/master/nix-cabal -o $HOME/.local/bin/nix-cabal
15 | chmod u+x $HOME/.local/bin/nix-cabal
16 | ```
17 | 
18 | Make sure this location is in your `$PATH`.
19 | 
20 | ## Usage
21 | 
22 | ```bash
23 | nix-cabal v2-build all
24 | ```
25 | 
26 | Here's an example of a `shell.nix` you might want to use with this script:
27 | 
28 | ```nix
29 | {
30 |   pkgs ? import <nixpkgs> {},
31 |   hc ? "ghc844"
32 | }:
33 | 
34 | pkgs.stdenv.mkDerivation rec {
35 |   name = "example";
36 |   buildInputs = [
37 |     pkgs.haskell.compiler.${hc}
38 |     pkgs.git
39 |     pkgs.zlib
40 |     pkgs.cabal-install
41 |     pkgs.pkgconfig
42 |     pkgs.which
43 |   ];
44 |   shellHook = ''
45 |     export LD_LIBRARY_PATH=${pkgs.lib.makeLibraryPath buildInputs}:$LD_LIBRARY_PATH
46 |     export LANG=en_US.UTF-8
47 |   '';
48 |   LOCALE_ARCHIVE =
49 |     if pkgs.stdenv.isLinux
50 |     then "${pkgs.glibcLocales}/lib/locale/locale-archive"
51 |     else "";
52 | }
53 | ```
54 | 
55 | ## Travis CI
56 | 
57 | Here's an example of a `.travis.yml`:
58 | 
59 | ```yaml
60 | language: nix
61 | 
62 | os:
63 |   - linux
64 |   - osx
65 | 
66 | env:
67 |   - HC=ghc822
68 |   - HC=ghc844
69 |   - HC=ghc861
70 | 
71 | before_install:
72 |   - curl https://raw.githubusercontent.com/monadfix/nix-cabal/master/nix-cabal -o nix-cabal && chmod u+x nix-cabal
73 |   - travis_retry ./nix-cabal v2-update
74 | 
75 | script:
76 |   - ./nix-cabal v2-test
77 |   - ./nix-cabal v2-bench
78 | 
79 | cache:
80 |   directories:
81 |     - ~/.cabal
82 |     - ~/.ghc
83 | ```
84 | 


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/nix-cabal:
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 1 | #!/usr/bin/env bash
 2 | 
 3 | set -e
 4 | 
 5 | if [ -z "$HC" ]; then
 6 |   ARG_HC=""
 7 | else
 8 |   ARG_HC="--argstr hc $HC"
 9 | fi
10 | 
11 | CMD="cabal $@"
12 | nix-shell --pure $ARG_HC --run "$CMD"
13 | 


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