From 9bcff3ce43a48466a5ea3266b63f802882ee9b1b Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Wed, 19 Feb 2014 20:22:46 -0500
Subject: Simplify maintainer scripts.

Populate /usr/share/busybox/alternatives at build time with only the
files actually installed.
---
diff --git a/build b/build
index c50860e..99a9d90 100755
--- a/build
+++ b/build
@@ -31,13 +31,16 @@ install:
 	oh-fixperms
 	oh-strip
 	chmod u+s dest/bin/busybox
-	set -e; while read link name prio; do \
+	mkdir -p dest/usr/share/busybox
+	set -e; exec 3>dest/usr/share/busybox/alternatives; \
+	while read link name prio; do \
 		if [ -e "dest/$${link}" ]; then \
 			mv "dest/$${link}" "dest/$${link}.busybox"; \
+			printf '%s %s %s\n' "$${link}" "$${name}" "$${prio}" \
+				>&3; \
 		fi; \
-	done <../alternatives
-	mkdir -p dest/usr/share/busybox
-	cp ../alternatives dest/usr/share/busybox
+	done <../alternatives; \
+	exec 3>&-
 	set -e; $(config_enabled); $(install_init_script); \
 	if config_enabled INIT; then \
 		install -d -m 0755 dest/etc; \
diff --git a/busybox.pkg/postinst b/busybox.pkg/postinst
index a9922b6..d0a2cc3 100755
--- a/busybox.pkg/postinst
+++ b/busybox.pkg/postinst
@@ -2,9 +2,7 @@
 
 if [ "x${1}" = 'xconfigure' ]; then
 	while read link name prio; do
-		if [ -e "${link}.busybox" ]; then
-			update-alternatives --install "${link}" "${name}" \
-				"${link}.busybox" "${prio}"
-		fi
+		update-alternatives --install "${link}" "${name}" \
+			"${link}.busybox" "${prio}"
 	done </usr/share/busybox/alternatives
 fi
diff --git a/busybox.pkg/prerm b/busybox.pkg/prerm
index 9565cab..c27fe7e 100755
--- a/busybox.pkg/prerm
+++ b/busybox.pkg/prerm
@@ -2,8 +2,6 @@
 
 if [ "${1}" = remove ]; then
 	while read link name prio; do
-		if [ -e "${link}.busybox" ]; then
-			update-alternatives --remove "${name}" "${link}.busybox"
-		fi
+		update-alternatives --remove "${name}" "${link}.busybox"
 	done </usr/share/busybox/alternatives
 fi
--
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