From 9a2e89ae2638bb149220806158a1a8cb6586419c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Wed, 11 Jun 2014 18:35:23 -0400
Subject: Manage some utilities with update-alternatives.

---
diff --git a/build b/build
index 2af8662..8654583 100755
--- a/build
+++ b/build
@@ -16,10 +16,10 @@ install: build
 	oh-autoinstall -- PREFIX="$${PWD}/dest"
 	install -d dest/usr/bin/ dest/usr/lib/ dest/usr/share/
 	# /usr/bin/bzip2 and links (bunzip2 and bzcat):
-	mv dest/bin/bzip2 dest/usr/bin/
+	mv dest/bin/bzip2 dest/usr/bin/bzip2.bzip2
 	rm dest/bin/bunzip2 dest/bin/bzcat
-	ln -sf bzip2 dest/usr/bin/bunzip2
-	ln -sf bzip2 dest/usr/bin/bzcat
+	ln -sf bzip2.bzip2 dest/usr/bin/bunzip2.bzip2
+	ln -sf bzip2.bzip2 dest/usr/bin/bzcat.bzip2
 	# /usr/bin/bzip2recover:
 	mv dest/bin/bzip2recover dest/usr/bin/
 	# /usr/bin/bzgrep and links (bzegrep and bzfgrep):
diff --git a/bzip2.pkg/postinst b/bzip2.pkg/postinst
new file mode 100644
index 0000000..0239ea7
--- /dev/null
+++ b/bzip2.pkg/postinst
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ "x${1}" = 'xconfigure' ]; then
+	for link in bzip2 bunzip2 bzcat; do
+		update-alternatives --install /usr/bin/${link} ${link} \
+			/usr/bin/${link}.bzip2 20
+	done
+fi
diff --git a/bzip2.pkg/prerm b/bzip2.pkg/prerm
new file mode 100644
index 0000000..d82eecc
--- /dev/null
+++ b/bzip2.pkg/prerm
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ "x${1}" = 'xremove' ]; then
+	for link in bzip2 bunzip2 bzcat; do
+		update-alternatives --remove ${link} /usr/bin/${link}.bzip2
+	done
+fi
--
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