Add zsh completions for nix flakes

flake.lock

@@ -209,6 +209,23 @@
         "type": "indirect"
       }
     },
+    "nix-zsh-completions": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1600188236,
+        "narHash": "sha256-3HVYez/wt7EP8+TlhTppm968Wl8x5dXuGU0P+8xNDpo=",
+        "owner": "Ma27",
+        "repo": "nix-zsh-completions",
+        "rev": "939c48c182e9d018eaea902b1ee9d00a415dba86",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Ma27",
+        "ref": "flakes",
+        "repo": "nix-zsh-completions",
+        "type": "github"
+      }
+    },
     "nixos-fhs-compat": {
       "locked": {
         "lastModified": 1588706047,
@@ -373,6 +390,7 @@
         "lambda-launcher": "lambda-launcher",
         "materia-theme": "materia-theme",
         "nix": "nix",
+        "nix-zsh-completions": "nix-zsh-completions",
         "nixos-fhs-compat": "nixos-fhs-compat",
         "nixpkgs": "nixpkgs_5",
         "nixpkgs-old": "nixpkgs-old",

flake.nix

@@ -49,6 +49,8 @@
     simple-osd-daemons.url = "github:balsoft/simple-osd-daemons";
     wee-slack.url = "github:wee-slack/wee-slack";
     wee-slack.flake = false;
+    nix-zsh-completions.url = "github:Ma27/nix-zsh-completions/flakes";
+    nix-zsh-completions.flake = false;
   };
 
   outputs = { nixpkgs, nix, self, deploy-rs, ... }@inputs: {

modules/overlay.nix

@@ -41,6 +41,10 @@ in {
         patches = [(builtins.elemAt oa.patches 0)];
       });
 
+      nix-zsh-completions = super.nix-zsh-completions.overrideAttrs (_: {
+        src = inputs.nix-zsh-completions;
+      });
+
       # inherit (inputs.nixpkgs-mesa.legacyPackages.x86_64-linux) sway mesa_drivers;
     })
   ];

modules/workspace/zsh.nix

@@ -102,6 +102,10 @@
       function rs() { nix run "self#$1" }
       function is() { nix search "self#$1" }
 
+      source ${pkgs.nix-zsh-completions}/share/zsh/plugins/nix/nix-zsh-completions.plugin.zsh
+      fpath=(${pkgs.nix-zsh-completions}/share/zsh/site-functions $fpath)
+      autoload -U compinit && compinit
+
       PS1="$PS1
      $ "
    '';