add github actions

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: "Test"
+on:
+  pull_request:
+  push:
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2.3.4
+    - uses: cachix/install-nix-action@v12
+      with:
+        nix_path: nixpkgs=channel:nixos-20.03
+        extra_nix_config: |
+                            substituters = https://cache.nixos.org https://cache.nixos.org/ https://hydra.iohk.io https://cachix.cachix.org https://iohk.cachix.org https://ghcide-nix.cachix.org https://mostlyabsurd.cachix.org https://absurd-paste-client.cachix.org
+                            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cachix.cachix.org:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM= all-hies.cachix.org-1:JjrzAOEUsD9ZMt8fdFbzo3jNAyEWlPAwdVuHw4RD43k= cachix.cachix.org-1:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM= iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= ghcide-nix.cachix.org-1:ibAY5FD+XWLzbLr8fxK6n8fL9zZe7jS+gYeyxyWYK5c= mostlyabsurd.cachix.org-1:WoFsXSqFZNZj9+1TcbfiEdAmP5T20oQoU7jIi4RlcVU=
+    - uses: cachix/cachix-action@v8
+      with:
+        name: absurd-paste-client
+        # If you chose signing key for write access
+        #signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+        # If you chose API tokens for write access OR if you have a private cache
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+        extraPullNames: iohk
+    - run: nix-build
+    - run: nix-shell --run "echo OK"

.gitignore

@@ -1,7 +1,9 @@
 .ghc.environment.x86_64-linux-8.6.5
 cabal.project.local
 cabal.project.local~
-dist-newstyle/
-dist/
+dist-newstyle
+dist
+*.swp
 .*.swp
 result
+.gitignore

absurd-paste-client.cabal

@@ -80,6 +80,7 @@ executable apc
   -- Other library packages from which modules are imported.
   build-depends:       base ^>=4.13.0.0
                      , bytestring
+                     , dhall
                      , http-streams
                      , io-streams
                      , optparse-applicative

default.nix

@@ -14,12 +14,18 @@ haskellNix ? import (builtins.fetchTarball
 
   # import nixpkgs with overlays
 , pkgs ? import nixpkgsSrc nixpkgsArgs }:
-pkgs.haskell-nix.project {
-  # 'cleanGit' cleans a source directory based on the files known by git
-  src = pkgs.haskell-nix.haskellLib.cleanGit {
-    name = "absurd-paste-client";
-    src = ./.;
+let
+  apc-project = pkgs.haskell-nix.project {
+    index-state = "2020-11-20T00:00:00Z";
+    # 'cleanGit' cleans a source directory based on the files known by git
+    src = pkgs.haskell-nix.haskellLib.cleanGit {
+      name = "absurd-paste-client";
+      src = ./.;
+    };
+    # For `cabal.project` based projects specify the GHC version to use.
+    compiler-nix-name = "ghc884"; # Not used for `stack.yaml` based projects.
   };
-  # For `cabal.project` based projects specify the GHC version to use.
-  compiler-nix-name = "ghc884"; # Not used for `stack.yaml` based projects.
+in {
+  project = apc-project.absurd-paste-client.components.exes.apc;
+  apc-project = apc-project;
 }

shell.nix

@@ -2,7 +2,7 @@
   "https://github.com/input-output-hk/haskell.nix/archive/master.tar.gz") { }
 , nixpkgsSrc ? haskellNix.sources.nixpkgs-2003
 , nixpkgsArgs ? haskellNix.nixpkgsArgs, pkgs ? import nixpkgsSrc nixpkgsArgs }:
-let hsPkgs = import ./default.nix { inherit pkgs; };
+let hsPkgs = (import ./default.nix { inherit pkgs; }).apc-project;
 in hsPkgs.shellFor {
   # Include only the *local* packages of your project.
   packages = ps: with ps; [ absurd-paste-client ];
@@ -16,8 +16,8 @@ in hsPkgs.shellFor {
   # Some common tools can be added with the `tools` argument
   tools = {
     cabal = "3.2.0.0";
-    hlint = "3.1.6";
-    ghcide = "0.2.0";
+    hlint = "3.2.1";
+    haskell-language-server = "0.5.1";
   };
   # See overlays/tools.nix for more details