use github actions workflow

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: My Workflow
+on: [push]
+
+jobs:
+  my_job:
+    name: My Job on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@master
+      - name: nix
+        run: |
+          curl https://nixos.org/nix/install | sh
+          . "$HOME"/.nix-profile/etc/profile.d/nix.sh
+          ./test.bash

.travis.yml

@@ -1,4 +0,0 @@
-sudo: required
-dist: trusty
-language: nix
-script: make

Makefile

@@ -1,4 +0,0 @@
-default: test
-
-test:
-	nix-shell --pure --run './test.bash'

README.md

@@ -1,7 +1,5 @@
 # Easy Dhall Nix
 
-[![Build Status](https://travis-ci.org/justinwoo/easy-dhall-nix.svg?branch=master)](https://travis-ci.org/justinwoo/easy-dhall-nix)
-
 Derivations for easily downloading Dhall binaries and putting them to use.
 
 ## Trial

default.nix

@@ -3,7 +3,5 @@
 {
   dhall-simple = import ./dhall-simple.nix { inherit pkgs; };
 
-  dhall-json-simple = import ./dhall-json-simple.nix { inherit pkgs; };
-
   dhall-bash-simple = import ./dhall-bash-simple.nix { inherit pkgs; };
 }

dhall-json-simple.nix

@@ -1,27 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-
-pkgs.stdenv.mkDerivation rec {
-  name = "dhall-json-simple";
-
-  src = if pkgs.stdenv.isDarwin
-    then pkgs.fetchurl {
-      url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.25.0/dhall-json-1.4.0-x86_64-macos.tar.bz2";
-      sha256 = "0427xy59mzyrz978l36x0ha610bpckg14m3svkvg8hipvblgh19r";
-    }
-    else pkgs.fetchurl {
-      url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.25.0/dhall-json-1.4.0-x86_64-linux.tar.bz2";
-      sha256 = "14apqq0dj3lmm8yccygf8bb27scxjfkjkmr8zgnwb98znr51gfwn";
-    };
-
-  installPhase = ''
-    mkdir -p $out/bin
-    DHALL_TO_JSON=$out/bin/dhall-to-json
-    DHALL_TO_YAML=$out/bin/dhall-to-yaml
-    install -D -m555 -T dhall-to-json $DHALL_TO_JSON
-    install -D -m555 -T dhall-to-yaml $DHALL_TO_YAML
-
-    mkdir -p $out/etc/bash_completion.d/
-    $DHALL_TO_JSON --bash-completion-script $DHALL_TO_JSON > $out/etc/bash_completion.d/dhall-to-json-completion.bash
-    $DHALL_TO_YAML --bash-completion-script $DHALL_TO_YAML > $out/etc/bash_completion.d/dhall-to-yaml-completion.bash
-  '';
-}

test.bash

@@ -1,4 +1,5 @@
-#!/usr/bin/env bash
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash
 
 ERRORS=0;
 
@@ -14,8 +15,6 @@ function test_exe () {
 }
 
 test_exe dhall;
-test_exe dhall-to-json;
-test_exe dhall-to-yaml;
 test_exe dhall-to-bash;
 
 exit $ERRORS;