feat(nix/pkgs): add shell completions for bob-nvim

flake.nix

@@ -5,6 +5,7 @@
     nix.url = "github:nixos/nix";
     deploy-rs.url = "github:serokell/deploy-rs";
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-master.url = "github:nixos/nixpkgs";
     flake-utils.url = "github:numtide/flake-utils";
     bob = {
       flake = false;

overlays/default.nix

@@ -9,6 +9,9 @@
         wrapProgram $out/bin/lxappearance --prefix GDK_BACKEND : x11
       '';
     });
+    # TODO: Remove this when Zathura's update for 0.5.8 hits nixpkgs-unstable,
+    # see status of https://nixpk.gs/pr-tracker.html?pr=337383
+    zathura = inputs.nixpkgs-master.legacyPackages.${final.system}.pkgs.zathura;
     wezterm = inputs.wezterm.packages.${final.system}.default;
     opensnitch-ui = prev.opensnitch-ui.overrideAttrs (oldAttrs: {
       propagatedBuildInputs = oldAttrs.propagatedBuildInputs ++ [ prev.python311Packages.qt-material ];

pkgs/bob-nvim.nix

@@ -1,9 +1,11 @@
-{ rustPlatform, fetchFromGitHub }:
+{ installShellFiles, rustPlatform, fetchFromGitHub }:
 
 rustPlatform.buildRustPackage rec {
   pname = "bob";
   version = "3.0.1";
 
+
+  buildInputs = [ installShellFiles ];
   src = fetchFromGitHub {
     owner = "MordechaiHadad";
     repo = "bob";
@@ -11,4 +13,12 @@ rustPlatform.buildRustPackage rec {
     hash = "sha256-Op/NXWssylgAOb1BccSOz7JqXFranzAsGICFMF3o/K8=";
   };
   cargoLock.lockFile = "${src}/Cargo.lock";
+
+  postInstall = # bash
+    ''
+      installShellCompletion --cmd bob \
+        --bash <($out/bin/bob complete bash) \
+        --zsh <($out/bin/bob complete zsh) \
+        --fish <($out/bin/bob complete fish)
+    '';
 }