From bfa27b35065f88e5a300829c8bc02926bcc0665f Mon Sep 17 00:00:00 2001
From: nix-julia <nix-julia@proton.me>
Date: Sun, 12 Nov 2023 18:24:43 +0330
Subject: mdbook: add shell completions

---
 pkgs/tools/text/mdbook/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/text/mdbook/default.nix b/pkgs/tools/text/mdbook/default.nix
index e0529c77917..95483b8465e 100644
--- a/pkgs/tools/text/mdbook/default.nix
+++ b/pkgs/tools/text/mdbook/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix, rustPlatform, CoreServices }:
+{ lib, stdenv, fetchFromGitHub, nix, rustPlatform, CoreServices, installShellFiles }:
 
 rustPlatform.buildRustPackage rec {
   pname = "mdbook";
@@ -13,8 +13,17 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-D0XhrweO0A1+81Je4JZ0lmnbIHstNvefpmogCyB4FEE=";
 
+  nativeBuildInputs = [ installShellFiles ];
+
   buildInputs = lib.optionals stdenv.isDarwin [ CoreServices ];
 
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd mdbook \
+      --bash <($out/bin/mdbook completions bash) \
+      --fish <($out/bin/mdbook completions fish) \
+      --zsh  <($out/bin/mdbook completions zsh )
+  '';
+
   passthru = {
     tests = {
       inherit nix;
-- 
cgit 1.4.1