From 25028cb750f9224ace34c53b33d6f50b17e5a935 Mon Sep 17 00:00:00 2001
From: wisut hantanong <wizzup@gmail.com>
Date: Thu, 6 Jul 2017 18:53:25 +0700
Subject: [PATCH] add btrfs-progs bash-completion, fix #25793

---
 pkgs/tools/filesystems/btrfs-progs/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/tools/filesystems/btrfs-progs/default.nix b/pkgs/tools/filesystems/btrfs-progs/default.nix
index 525aa2fec28..d9b01eb5239 100644
--- a/pkgs/tools/filesystems/btrfs-progs/default.nix
+++ b/pkgs/tools/filesystems/btrfs-progs/default.nix
@@ -21,6 +21,10 @@ stdenv.mkDerivation rec {
   # This should be fine on all platforms so apply universally
   patchPhase = "sed -i s/-O1/-O2/ configure";
 
+  postInstall = ''
+    install -v -m 444 -D btrfs-completion $out/etc/bash_completion.d/btrfs
+  '';
+
   meta = with stdenv.lib; {
     description = "Utilities for the btrfs filesystem";
     homepage = https://btrfs.wiki.kernel.org/;