refactor how nix derivations are organized and built

1 files changed, 34 insertions, 48 deletions

diff --git a/static/default.nix b/static/default.nix
index 74bd3bf..7c50dfa 100644
--- a/static/default.nix
+++ b/static/default.nix
@@ -1,53 +1,39 @@
-let
-    utils = (import ../nix) {};
-    pkgs = utils.pkgs;
-    system = utils.system;
+{pkgs}: rec {
 
-    jekyll_env = pkgs.bundlerEnv {
-        name = "jekyll_env";
+    depInputs = [ pkgs.imagemagick pkgs.exiftool pkgs.bundler pkgs.bundix ];
+
+    depShell = pkgs.stdenv.mkDerivation {
+        name = "mediocre-blog-static-dep-shell";
+        buildInputs = depInputs;
+    };
+
+    jekyllEnv = pkgs.bundlerEnv {
+        name = "jekyllEnv";
         ruby = pkgs.ruby;
         gemdir = ./.;
     };
 
-    dep_inputs = [ pkgs.imagemagick pkgs.exiftool pkgs.bundler pkgs.bundix ];
-    all_inputs = [ jekyll_env ] ++ dep_inputs;
-in
-    {
-        build = derivation {
-            inherit jekyll_env system;
-
-            name = "mediocre-blog-static";
-            builder = "${pkgs.bash}/bin/bash";
-            args = [
-                (pkgs.writeTextFile {
-                    name = "mediocre-blog-static-buildsh";
-                    text = ''
-                        source ${pkgs.stdenv}/setup
-                        set -e
-
-                        mkdir -p "$out"
-                        $jekyll_env/bin/jekyll build -s "${./src}" -d "$out"
-                    '';
-                    executable = true;
-                })
-            ];
-        };
-
-        dev = pkgs.stdenv.mkDerivation {
-            name = "mediocre-blog-static-dev";
-            buildInputs = all_inputs;
-            shellHook = ''
-                exec ${jekyll_env}/bin/jekyll serve -s ./src -d ./_site -w -I -D -H 0.0.0.0 -P 4001
-            '';
-        };
-
-        depShell = pkgs.stdenv.mkDerivation {
-            name = "mediocre-blog-static-dep-shell";
-            buildInputs = dep_inputs;
-        };
-
-        shell = pkgs.stdenv.mkDerivation {
-            name = "mediocre-blog-static-shell";
-            buildInputs = all_inputs;
-        };
-    }
+
+    build = pkgs.stdenv.mkDerivation {
+        name = "mediocre-blog-static";
+        src = ./src;
+        buildPhase = "${jekyllEnv}/bin/jekyll build";
+        installPhase = "mv _site $out";
+    };
+
+    serve = pkgs.writeScriptBin "static-serve" ''
+        #!/bin/sh
+        exec ${jekyllEnv}/bin/jekyll serve \
+            -s ./src \
+            -d ./_site \
+            -w -I -D \
+            -P 4001
+    '';
+
+    allInputs = depInputs ++ [ jekyllEnv serve ];
+
+    shell = pkgs.stdenv.mkDerivation {
+        name = "mediocre-blog-static-shell";
+        buildInputs = allInputs;
+    };
+}