From 26cc9e4b6066cbb4609af79a4f5af66fd4a5b665 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Tue, 19 Sep 2023 14:16:32 +0200
Subject: [PATCH] bitcoin: add shell completions

Backport of https://github.com/NixOS/nixpkgs/pull/256091
---
 pkgs/bitcoin/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/bitcoin/default.nix b/pkgs/bitcoin/default.nix
index 7ae0099..b6de219 100644
--- a/pkgs/bitcoin/default.nix
+++ b/pkgs/bitcoin/default.nix
@@ -4,6 +4,7 @@
 , fetchurl
 , autoreconfHook
 , pkg-config
+, installShellFiles
 , util-linux
 , hexdump
 , autoSignDarwinBinariesHook
@@ -44,7 +45,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs =
-    [ autoreconfHook pkg-config ]
+    [ autoreconfHook pkg-config installShellFiles ]
     ++ lib.optionals stdenv.isLinux [ util-linux ]
     ++ lib.optionals stdenv.isDarwin [ hexdump ]
     ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [ autoSignDarwinBinariesHook ]
@@ -54,7 +55,11 @@ stdenv.mkDerivation rec {
     ++ lib.optionals withWallet [ db48 sqlite ]
     ++ lib.optionals withGui [ qrencode qtbase qttools ];
 
-  postInstall = lib.optionalString withGui ''
+  postInstall = ''
+    installShellCompletion --cmd bitcoin-cli --bash contrib/bitcoin-cli.bash-completion
+    installShellCompletion --cmd bitcoind --bash contrib/bitcoind.bash-completion
+    installShellCompletion --cmd bitcoin-tx --bash contrib/bitcoin-tx.bash-completion
+  '' + lib.optionalString withGui ''
     install -Dm644 ${desktop} $out/share/applications/bitcoin-qt.desktop
     substituteInPlace $out/share/applications/bitcoin-qt.desktop --replace "Icon=bitcoin128" "Icon=bitcoin"
     install -Dm644 share/pixmaps/bitcoin256.png $out/share/pixmaps/bitcoin.png