use unstable comma

Signed-off-by: Bloxx12 <charlie@charlieroot.dev>
Change-Id: I6a6a69648046cf7bdab09db39431ffcabec8d6a0

modules/packages/packages.mod.nix

@@ -1,10 +1,36 @@
 {
+  lib,
   pkgs,
   sources,
   ...
 }:
 let
   nixfmt = pkgs.callPackage "${sources.nixfmt}/default.nix" { };
+  comma = pkgs.callPackage (
+    _:
+    pkgs.rustPlatform.buildRustPackage {
+      pname = "comma";
+      version = "unstable";
+      src = sources.comma;
+      cargoLock = {
+        allowBuiltinFetchGit = true;
+        lockFile = "${sources.comma}/Cargo.lock";
+      };
+      nativeBuildInputs = [ pkgs.makeBinaryWrapper ];
+      doInstallCheck = false;
+
+      postInstall = ''
+        wrapProgram $out/bin/comma \
+          --prefix PATH : ${
+            lib.makeBinPath [
+              pkgs.fzy
+              pkgs.nix-index-unwrapped
+            ]
+          }
+        ln -s $out/bin/comma $out/bin/,
+      '';
+    }
+  ) { };
 in
 {
   environment.systemPackages =
@@ -40,6 +66,7 @@ in
       glow
       # dua-cli
       dust
+      iamb
       kondo
       # better grep
       ripgrep
@@ -75,5 +102,8 @@ in
       unzip
       zip
     ]
-    ++ [ nixfmt ];
+    ++ [
+      nixfmt
+      comma
+    ];
 }