From 2522f58b0ec9029622bcecafbdb0bf8de2ecd9a6 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Mon, 22 Apr 2019 23:02:49 -0400
Subject: [PATCH] e2fsprogs: check if e2scrub_all_cron exists
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doesn’t exist on macos
---
 pkgs/tools/filesystems/e2fsprogs/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/filesystems/e2fsprogs/default.nix b/pkgs/tools/filesystems/e2fsprogs/default.nix
index e601a12e6e6f..11f107e994f9 100644
--- a/pkgs/tools/filesystems/e2fsprogs/default.nix
+++ b/pkgs/tools/filesystems/e2fsprogs/default.nix
@@ -39,7 +39,9 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     # avoid cycle between outputs
-    mv $out/lib/${pname}/e2scrub_all_cron $bin/bin/
+    if [ -f $out/lib/${pname}/e2scrub_all_cron ]; then
+      mv $out/lib/${pname}/e2scrub_all_cron $bin/bin/
+    fi
   '';
 
   enableParallelBuilding = true;