From 3e821b1d665132be24e0185c2c6885f6e2b616eb Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 23 Nov 2020 05:46:41 -0500
Subject: build: Don't u-a /bin/sh

Doing so requires patching [1] opkg-cl and update-alternatives to not
use /bin/sh in case busybox is in an unconfigured state when running any
package's maintainer scripts.  Such a patch would force all maintainer
scripts to be ash scripts (fun fact: in Debian, bash's preinst is
actually a compiled C program).

[1]: http://git.proteanos.com/pkg/opkg-lede.git/commit/?id=d711e8cd5e0d7186dad840b9883a97a93f2dd383
---
(limited to 'build')

diff --git a/build b/build
index 57f9148..7dd21f6 100755
--- a/build
+++ b/build
@@ -39,9 +39,13 @@ install: build
 	mkdir -p dest/usr/share/busybox
 	set -e; exec 3>dest/usr/share/busybox/alternatives; \
 	for f in dest/bin/* dest/sbin/* dest/usr/bin/* dest/usr/sbin/*; do \
-		[ x"$${f}" = x'dest/bin/busybox' ] && continue; \
-		mv "$${f}" "$${f}.busybox"; \
-		printf '%s\n' "$${f#dest}" >&3; \
+		case "$${f}" in \
+			dest/bin/busybox | dest/bin/sh) ;; \
+			*) \
+				mv "$${f}" "$${f}.busybox"; \
+				printf '%s\n' "$${f#dest}" >&3; \
+				;; \
+		esac; \
 	done; \
 	exec 3>&-
 	set -e; $(config_enabled); $(install_init_script); \
--
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