From d559c776a1308662651fd032a1ad10b01736168a Mon Sep 17 00:00:00 2001
From: zowoq <59103226+zowoq@users.noreply.github.com>
Date: Fri, 21 Aug 2020 16:28:54 +1000
Subject: [PATCH] shfmt: fix failing test on go 1.15

---
 pkgs/tools/text/shfmt/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/text/shfmt/default.nix b/pkgs/tools/text/shfmt/default.nix
index 43c945ac769..ec58cbdd1a9 100644
--- a/pkgs/tools/text/shfmt/default.nix
+++ b/pkgs/tools/text/shfmt/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, fetchpatch }:
 
 buildGoModule rec {
   pname = "shfmt";
@@ -17,6 +17,14 @@ buildGoModule rec {
 
   buildFlagsArray = [ "-ldflags=-s -w -X main.version=${version}" ];
 
+  patches = [
+    # fix failing test on go 1.15, remove with > 3.1.2
+    (fetchpatch {
+      url = "https://github.com/mvdan/sh/commit/88956f97dae1f268af6c030bf2ba60762ebb488a.patch";
+      sha256 = "1zg8i7kklr12zjkaxh8djd2bzkdx8klgfj271r2wivkc2x61shgv";
+    })
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/mvdan/sh";
     description = "A shell parser and formatter";