From fcd692ed4a67f479151c74721adf2670c6143030 Mon Sep 17 00:00:00 2001
From: Maxime Brunet <max@brnt.mx>
Date: Mon, 1 Apr 2024 12:44:28 -0700
Subject: [PATCH] mutagen: add shell completions

---
 pkgs/tools/misc/mutagen/default.nix | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/misc/mutagen/default.nix b/pkgs/tools/misc/mutagen/default.nix
index 5cfdff54a708..f759620d63fd 100644
--- a/pkgs/tools/misc/mutagen/default.nix
+++ b/pkgs/tools/misc/mutagen/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub, fetchzip }:
+{ lib, buildGoModule, fetchFromGitHub, fetchzip, installShellFiles }:
 
 buildGoModule rec {
   pname = "mutagen";
@@ -24,6 +24,8 @@ buildGoModule rec {
     hash = "sha256-RFB1/gzLjs9w8mebEd4M9Ldv3BrLIj2RsN/QAIJi45E=";
   };
 
+  nativeBuildInputs = [ installShellFiles ];
+
   doCheck = false;
 
   subPackages = [ "cmd/mutagen" "cmd/mutagen-agent" ];
@@ -33,6 +35,17 @@ buildGoModule rec {
   postInstall = ''
     install -d $out/libexec
     ln -s ${agents}/mutagen-agents.tar.gz $out/libexec/
+
+    $out/bin/mutagen generate \
+      --bash-completion-script mutagen.bash \
+      --fish-completion-script mutagen.fish \
+      --zsh-completion-script mutagen.zsh
+
+    installShellCompletion \
+      --cmd mutagen \
+      --bash mutagen.bash \
+      --fish mutagen.fish \
+      --zsh mutagen.zsh
   '';
 
   meta = with lib; {