Split default.nix tasks

1 files changed, 73 insertions, 32 deletions

diff --git a/default.nix b/default.nix
index 00572eb..31feb5a 100644
--- a/default.nix
+++ b/default.nix
@@ -1,9 +1,6 @@
 let
-  pkgsOriginal = import <nixpkgs> {};
-  pkgs = import (pkgsOriginal.fetchzip {
-      url = "https://github.com/NixOS/nixpkgs/archive/dd6b4b7078d89decabefc6b1a698327db132fbfe.zip";
-      sha256 = "1cs5vibi2gab8i9m317v1b1spvmm2ppad8pxpkkp64fp1s3q6zy9";
-  }) {};
+  pkgs = import <nixpkgs> {};
+  rootSrc = pkgs.nix-gitignore.gitignoreSource [] ./.;
 
   # Taken from:
   # http://www.cs.yale.edu/homes/lucas.paul/posts/2017-04-10-hakyll-on-nix.html
@@ -19,41 +16,85 @@ let
       ghc -O2 -dynamic --make Main.hs -o $out/bin/build-site
     '';
   };
-in with pkgs; with pkgs.stdenv; rec {
-  build = mkDerivation rec {
-    name = "website";
-    src = ./site;
+  baseTask = pkgs.stdenv.mkDerivation {
+    name = "website-task";
+    src = rootSrc;
+    buildInputs = [ pkgs.perl ];
     phases = "unpackPhase buildPhase";
-    buildInputs = [ websiteBuilder pandoc ];
     buildPhase = ''
-      export LOCALE_ARCHIVE="${pkgs.glibcLocales}/lib/locale/locale-archive";
-      export LANG=en_US.UTF-8
+      echo "ERROR: base task buildPhase not overriden."
+      exit 1
+    '';
+  };
+in with pkgs; with pkgs.stdenv; rec {
+  subtasks = rec {
+    fixme = baseTask.overrideAttrs(baseAttrs: {
+      name = "${baseAttrs.name}-fixme";
+      buildInputs = [ ag ];
+      buildPhase = ''
+        ag FIXME --ignore default.nix || {
+          touch $out
+        }
+      '';
+    });
+    perlPodCheck = baseTask.overrideAttrs(baseAttrs: {
+      name = "${baseAttrs.name}-perl-podcheck";
+      buildPhase = ''
+        podchecker website pastebin/website-pastebin slides/website-slides
+        touch $out
+      '';
+    });
+    batsTest = baseTask.overrideAttrs(baseAttrs: {
+      name = "${baseAttrs.name}-bats-test";
+      buildInputs = baseAttrs.buildInputs ++ [ bats ];
+      buildPhase = ''
+        patchShebangs .
+        ./t/website.bats
+        touch $out
+      '';
+    });
+    perlInternalTest = baseTask.overrideAttrs(baseAttrs: {
+      name = "${baseAttrs.name}-perl-test";
+      buildPhase = ''
+        patchShebangs .
+        ./website test
+        touch $out
+      '';
+    });
+    docs = baseTask.overrideAttrs(baseAttrs: {
+      name = "${baseAttrs.name}-docs";
+      buildInputs = [ websiteBuilder pandoc ];
+      buildPhase = ''
+        export LOCALE_ARCHIVE="${pkgs.glibcLocales}/lib/locale/locale-archive";
+        export LANG=en_US.UTF-8
 
-      ls pastebin/*.org | awk -F. '{print $1}' | xargs -I{} pandoc -o {}.html {}.org --standalone
+        ls pastebin/*.org | awk -F. '{print $1}' | xargs -I{} pandoc -o {}.html {}.org --standalone
 
-      build-site build
+        build-site build
 
-      mkdir $out
-      cp -r _site/* $out
-    '';
+        mkdir $out
+        cp -r _site/* $out
+      '';
+    });
   };
-  test = mkDerivation rec {
-    name = "website-test";
-    src = ./.;
-    phases = "unpackPhase buildPhase";
-    buildInputs = [perl bats];
+  test = baseTask.overrideAttrs(baseAttrs: rec {
+    name = "${baseAttrs.name}-test";
+    buildInputs = [
+      subtasks.fixme
+      subtasks.perlPodCheck
+      subtasks.batsTest
+      subtasks.perlInternalTest
+    ];
     buildPhase = ''
-      mkdir txt
-      podchecker website pastebin/website-pastebin slides/website-slides 2>&1 | tee txt/podchecker.txt
-      patchShebangs .
-      ./t/website.bats
-      ./website test
-      mv txt/ $out/
+      echo "Ran tests for:"
+      for d in ${builtins.toString buildInputs}; do
+        echo "  $d"
+      done
+      echo "All tests passed!"
+      touch $out
     '';
-  };
+  });
   shell = mkShell rec {
-    # See also the reference documentation:
-    # https://nixos.org/nixpkgs/manual/#sec-pkgs-mkShell
     name = "website-shell";
     buildInputs = [
       websiteBuilder
@@ -70,7 +111,7 @@ in with pkgs; with pkgs.stdenv; rec {
                             --update                                \
                             --recursive                             \
                             --rsh="ssh -o StrictHostKeyChecking=no" \
-                            ${build}/                               \
+                            ${subtasks.docs}/                       \
                             "$SERVER_URL:$DOCS_SERVER_PATH"
   '';
 }