From 35325ecea96a18eea55566f55107dd01910967dc Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Fri, 11 Oct 2024 23:50:57 +0200
Subject: [PATCH] veryl: add shell completions

---
 pkgs/by-name/ve/veryl/package.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/ve/veryl/package.nix b/pkgs/by-name/ve/veryl/package.nix
index 90afbc757d6c..febb85b3c9b7 100644
--- a/pkgs/by-name/ve/veryl/package.nix
+++ b/pkgs/by-name/ve/veryl/package.nix
@@ -3,6 +3,7 @@
   rustPlatform,
   fetchFromGitHub,
   pkg-config,
+  installShellFiles,
   dbus,
   stdenv,
   darwin,
@@ -24,6 +25,7 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [
     pkg-config
+    installShellFiles
   ];
 
   buildInputs =
@@ -37,6 +39,13 @@ rustPlatform.buildRustPackage rec {
       darwin.apple_sdk.frameworks.SystemConfiguration
     ];
 
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd veryl \
+      --bash <($out/bin/veryl metadata --completion bash) \
+      --fish <($out/bin/veryl metadata --completion fish) \
+      --zsh <($out/bin/veryl metadata --completion zsh)
+  '';
+
   checkFlags = [
     # takes over an hour
     "--skip=tests::progress"
@@ -53,7 +62,6 @@ rustPlatform.buildRustPackage rec {
     "--skip=analyzer::test_68_std"
     "--skip=emitter::test_25_dependency"
     "--skip=emitter::test_68_std"
-
   ];
 
   meta = {