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-rw-r--r--nix/gemma-config.lisp19
-rw-r--r--nix/pkgs/gemma.nix54
-rw-r--r--nix/tazserve.nix26
3 files changed, 99 insertions, 0 deletions
diff --git a/nix/gemma-config.lisp b/nix/gemma-config.lisp
new file mode 100644
index 000000000000..517a658cf150
--- /dev/null
+++ b/nix/gemma-config.lisp
@@ -0,0 +1,19 @@
+(config :port 4242
+        :data-dir "/var/lib/gemma/")
+
+(deftask bathroom/wipe-mirror 7)
+(deftask bathroom/wipe-counter 7)
+
+;; Bedroom tasks
+(deftask bedroom/change-sheets 7)
+(deftask bedroom/vacuum 10)
+
+;; Kitchen tasks
+(deftask kitchen/normal-trash 3)
+(deftask kitchen/green-trash 5)
+(deftask kitchen/blue-trash 5)
+(deftask kitchen/wipe-counters 3)
+(deftask kitchen/vacuum 5 "Kitchen has more crumbs and such!")
+
+;; Entire place
+(deftask clean-windows 60)
diff --git a/nix/pkgs/gemma.nix b/nix/pkgs/gemma.nix
new file mode 100644
index 000000000000..4e96734794ff
--- /dev/null
+++ b/nix/pkgs/gemma.nix
@@ -0,0 +1,54 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs; stdenv.mkDerivation rec {
+  name = "gemma";
+
+  src = fetchFromGitHub {
+    owner  = "tazjin";
+    repo   = "gemma";
+    rev    = "61be253d6baa99f0a2208425b8a03b444bb1b184";
+    sha256 = "0vbmz2aphcida728rc0z3k7gychs4w1778vsjbrs0ljk9qgbmyr5";
+  };
+
+  buildInputs = with lispPackages; [
+    sbcl
+    quicklisp
+    hunchentoot
+    cl-json
+    local-time
+    elmPackages.elm
+    pkgconfig
+  ];
+
+  # The build phase has three distinct things it needs to do:
+  #
+  # 1. "Compile" the Elm source into something useful to browsers.
+  #
+  # 2. Configure the Lisp part of the application to serve the compiled Elm
+  #
+  # 3. Build (and don't strip!) an executable out of the Lisp backend.
+  buildPhase = ''
+    mkdir -p $out/share/gemma $out/bin
+    mkdir .home && export HOME="$PWD/.home"
+
+    # Build Elm
+    cd frontend
+    elm-make --yes Main.elm --output $out/share/gemma/index.html
+
+    # Build Lisp
+    cd $src
+    quicklisp init
+    env GEMMA_BIN_TARGET=$out/bin/gemma sbcl --load build.lisp
+  '';
+
+  installPhase = "true";
+
+  # Stripping an SBCL executable removes the application, which is unfortunate.
+  dontStrip = true;
+
+  meta = with stdenv.lib; {
+    description = "Tool for tracking recurring tasks";
+    homepage    = "https://github.com/tazjin/gemma";
+    license     = licenses.gpl3;
+  };
+}
diff --git a/nix/tazserve.nix b/nix/tazserve.nix
index 10fd1d1cbf58..f9aee1a57032 100644
--- a/nix/tazserve.nix
+++ b/nix/tazserve.nix
@@ -14,6 +14,11 @@ blogConfig = {
     proxyPass = "http://127.0.0.1:8000";
   };
 };
+gemma = import ./pkgs/gemma.nix { inherit pkgs; };
+gemmaConfig = writeTextFile {
+  name = "config.lisp";
+  text = builtins.readFile ./gemma-config.lisp;
+};
 in {
   # Ensure that blog software is installed
   environment.systemPackages = [
@@ -47,6 +52,18 @@ in {
     rootUrl      = "https://git.tazj.in/";
   };
 
+  # Set up Gemma
+  systemd.services.gemma = {
+    description           = "Recurring task tracking app";
+    script                = "${gemma}/bin/gemma";
+    serviceConfig.Restart = "always";
+    wantedBy              = [ "multi-user.target" ];
+
+    environment = {
+      GEMMA_CONFIG = "${gemmaConfig}";
+    };
+  };
+
   # Set up reverse proxy
   services.nginx = {
     enable = true;
@@ -72,5 +89,14 @@ in {
       forceSSL   = true;
       extraConfig = "return 302 https://www.google.com/maps/d/viewer?mid=1pJIYY9cuEdt9DuMTbb4etBVq7hs;";
     };
+
+    # Gemma demo instance!
+    virtualHosts."gemma.tazj.in" = {
+      enableACME = true;
+      forceSSL   = true;
+      locations."/" = {
+        proxyPass = "http://127.0.0.1:4242";
+      };
+    };
   };
 }