From 7597ce22bfe8edefb08a17da8c03fe7f4024f90c Mon Sep 17 00:00:00 2001
From: Chris Montgomery <chris@alley.co>
Date: Sun, 23 Jan 2022 13:32:08 -0500
Subject: [PATCH] fix: use gnu sed in shell tests for cross-platform
 compatibility

Darwin's use of BSD `sed` breaks here because BSD `sed` has a different
argument signature.
---
 shell.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shell.nix b/shell.nix
index 0fcd1b9..a656db7 100644
--- a/shell.nix
+++ b/shell.nix
@@ -52,13 +52,13 @@ let
           git rm -f flake.lock
         fi
         # ensure: restore input
-        [ -z $diggaurl ] || sed -i "s|$tempdigga|$diggaurl|g" flake.nix
+        [ -z $diggaurl ] || ${pkgs.gnused}/bin/sed -i "s|$tempdigga|$diggaurl|g" flake.nix
       }
 
       digga_fixture() {
         # ensure: replace input
         diggaurl=$({ grep -o '"github:divnix/digga.*"' flake.nix || true; })
-        [ -z $diggaurl ] || sed -i "s|$diggaurl|$tempdigga|g" flake.nix
+        [ -z $diggaurl ] || ${pkgs.gnused}/bin/sed -i "s|$diggaurl|$tempdigga|g" flake.nix
       }
 
       trap_err() {