From bcffc8856ad11ee4ad471fd8846fa516b6775763 Mon Sep 17 00:00:00 2001
From: Marcus Ramberg <marcus@means.no>
Date: Fri, 28 Nov 2025 22:59:37 +0000
Subject: [PATCH] nix: install completion support for dms cli (#836)

---
 flake.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 0dabb010..036485e5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,9 +20,8 @@
                 system: fn system nixpkgs.legacyPackages.${system}
             );
         buildDmsPkgs = pkgs: {
-            dmsCli = self.packages.${pkgs.stdenv.hostPlatform.system}.dmsCli;
+            inherit (self.packages.${pkgs.stdenv.hostPlatform.system}) dmsCli dankMaterialShell;
             dgop = dgop.packages.${pkgs.stdenv.hostPlatform.system}.dgop;
-            dankMaterialShell = self.packages.${pkgs.stdenv.hostPlatform.system}.dankMaterialShell;
         };
         mkModuleWithDmsPkgs = path: args @ {pkgs, ...}: {
             imports = [
@@ -62,6 +61,15 @@
                         "-X main.Version=${finalAttrs.version}"
                     ];
 
+                    nativeBuildInputs = [pkgs.installShellFiles];
+
+                    postInstall = ''
+                        installShellCompletion --cmd dms \
+                          --bash <($out/bin/dms completion bash) \
+                          --fish <($out/bin/dms completion fish ) \
+                          --zsh <($out/bin/dms completion zsh)
+                    '';
+
                     meta = {
                         description = "DankMaterialShell Command Line Interface";
                         homepage = "https://github.com/AvengeMedia/danklinux";