Add weight and add-weight scripts

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

modules/scripts/add-weight.nix

@@ -0,0 +1,34 @@
+{ withSystem, ... }:
+
+let
+  name = "add-weight";
+in
+{
+  perSystem =
+    psArgs@{ pkgs, ... }:
+    {
+      packages.${name} = pkgs.writeShellApplication {
+        inherit name;
+
+        runtimeInputs = with pkgs; [
+          coreutils
+          psArgs.config.packages.today2
+          psArgs.config.packages.weight
+        ];
+
+        text = ''
+          echo "$(today2),$1" >> "$XDG_DOCUMENTS_DIR/wiki/2-areas/health-fitness/weight.csv"
+
+          weight
+        '';
+      };
+    };
+
+  flake.modules.homeManager.base =
+    { pkgs, ... }:
+    {
+      home.packages = [
+        (withSystem pkgs.system (psArgs: psArgs.config.packages.${name}))
+      ];
+    };
+}

modules/scripts/weight.nix

@@ -0,0 +1,28 @@
+{ withSystem, ... }:
+
+let
+  name = "weight";
+in
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.${name} = pkgs.writeShellApplication {
+        inherit name;
+
+        runtimeInputs = with pkgs; [
+          coreutils
+        ];
+
+        text = ''tail "$XDG_DOCUMENTS_DIR/wiki/2-areas/health-fitness/weight.csv"'';
+      };
+    };
+
+  flake.modules.homeManager.base =
+    { pkgs, ... }:
+    {
+      home.packages = [
+        (withSystem pkgs.system (psArgs: psArgs.config.packages.${name}))
+      ];
+    };
+}