From 0ffa615420fc1ee67a03dcb1a491fed9e8cdb782 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 5 Feb 2018 10:25:26 -0600
Subject: busybox shell: enable various useful/expected features

Matches changes made in nixpkgs:
https://github.com/NixOS/nixpkgs/pull/34628
---
 release-common.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/release-common.nix b/release-common.nix
index 4553118e1..de5af452c 100644
--- a/release-common.nix
+++ b/release-common.nix
@@ -6,10 +6,22 @@ rec {
     enableStatic = true;
     enableMinimal = true;
     extraConfig = ''
+      CONFIG_FEATURE_FANCY_ECHO y
+      CONFIG_FEATURE_SH_MATH y
+      CONFIG_FEATURE_SH_MATH_64 y
+
       CONFIG_ASH y
+      CONFIG_ASH_OPTIMIZE_FOR_SIZE y
+
+      CONFIG_ASH_ALIAS y
+      CONFIG_ASH_BASH_COMPAT y
+      CONFIG_ASH_CMDCMD y
       CONFIG_ASH_ECHO y
+      CONFIG_ASH_GETOPTS y
+      CONFIG_ASH_INTERNAL_GLOB y
+      CONFIG_ASH_JOB_CONTROL y
+      CONFIG_ASH_PRINTF y
       CONFIG_ASH_TEST y
-      CONFIG_ASH_OPTIMIZE_FOR_SIZE y
     '';
   };
 
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