From 29ea37374dd50cf2033b9e1e52d32a63100d5051 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Fri, 6 Aug 2021 23:33:19 +0200
Subject: [PATCH] fish: use dummy fish package in tests

---
 tests/modules/programs/fish/functions.nix    | 7 +++++++
 tests/modules/programs/fish/no-functions.nix | 9 ++++++++-
 tests/modules/programs/fish/plugins.nix      | 7 +++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/tests/modules/programs/fish/functions.nix b/tests/modules/programs/fish/functions.nix
index 424d0a288..9bca418e7 100644
--- a/tests/modules/programs/fish/functions.nix
+++ b/tests/modules/programs/fish/functions.nix
@@ -30,6 +30,13 @@ in {
       };
     };
 
+    # Needed to avoid error with dummy fish package.
+    xdg.dataFile."fish/home-manager_generated_completions".source =
+      lib.mkForce (builtins.toFile "empty" "");
+
+    nixpkgs.overlays =
+      [ (self: super: { fish = pkgs.writeScriptBin "dummy" ""; }) ];
+
     nmt = {
       description =
         "if fish.function is set, check file exists and contents match";
diff --git a/tests/modules/programs/fish/no-functions.nix b/tests/modules/programs/fish/no-functions.nix
index c817b3889..7cd2966e7 100644
--- a/tests/modules/programs/fish/no-functions.nix
+++ b/tests/modules/programs/fish/no-functions.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -10,6 +10,13 @@ with lib;
       functions = { };
     };
 
+    # Needed to avoid error with dummy fish package.
+    xdg.dataFile."fish/home-manager_generated_completions".source =
+      lib.mkForce (builtins.toFile "empty" "");
+
+    nixpkgs.overlays =
+      [ (self: super: { fish = pkgs.writeScriptBin "dummy" ""; }) ];
+
     nmt = {
       description =
         "if fish.functions is blank, the functions folder should not exist.";
diff --git a/tests/modules/programs/fish/plugins.nix b/tests/modules/programs/fish/plugins.nix
index 657c33f39..61e1603f0 100644
--- a/tests/modules/programs/fish/plugins.nix
+++ b/tests/modules/programs/fish/plugins.nix
@@ -46,6 +46,13 @@ in {
       }];
     };
 
+    # Needed to avoid error with dummy fish package.
+    xdg.dataFile."fish/home-manager_generated_completions".source =
+      lib.mkForce (builtins.toFile "empty" "");
+
+    nixpkgs.overlays =
+      [ (self: super: { fish = pkgs.writeScriptBin "dummy" ""; }) ];
+
     nmt = {
       description =
         "if fish.plugins set, check conf.d file exists and contents match";