From c94a2de710315167dcbbf28b613a5c11c4ca7cd8 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Wed, 8 Jul 2020 04:20:00 -0500
Subject: [PATCH] golangci-lint: install completions

---
 pkgs/development/tools/golangci-lint/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/golangci-lint/default.nix b/pkgs/development/tools/golangci-lint/default.nix
index e98a6172de64..3b3863a62e73 100644
--- a/pkgs/development/tools/golangci-lint/default.nix
+++ b/pkgs/development/tools/golangci-lint/default.nix
@@ -1,4 +1,4 @@
-{ buildGoModule, fetchFromGitHub, lib }:
+{ buildGoModule, fetchFromGitHub, lib, installShellFiles }:
 
 buildGoModule rec {
   pname = "golangci-lint";
@@ -14,6 +14,15 @@ buildGoModule rec {
   vendorSha256 = "0dg3rjzkvzh4n7r4kp68qhg96ijqks9hkz1cjcc02xa38ygma7gz";
   subPackages = [ "cmd/golangci-lint" ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    for shell in bash zsh; do
+      HOME=$TMPDIR $out/bin/golangci-lint completion $shell > golangci-lint.$shell
+      installShellCompletion golangci-lint.$shell
+    done
+  '';
+
   meta = with lib; {
     description = "Linters Runner for Go. 5x faster than gometalinter. Nice colored output.";
     homepage = "https://golangci.com/";