main/mkinitfs: fix apk world when upgrading

ref #1171

main/mkinitfs/0001-Revert-init-only-use-etc-apk-world-when-it-exists.patch

+From 4c8535b759fb9f2b34d05f971bee3a4ecc86b734 Mon Sep 17 00:00:00 2001
+From: Natanael Copa <ncopa@alpinelinux.org>
+Date: Thu, 17 May 2012 14:33:18 +0000
+Subject: [PATCH] Revert "init: only use /etc/apk/world when it exists"
+
+We can not only use /etc/apk/world since it will always
+be there due to previous apk add --initdb.
+
+Instead, clean up the /var/lib/apk/world after upgrade
+
+This reverts commit 8981ccbf5b2636c7d2e06b08ffdf87be80fe19c8.
+
+Conflicts:
+	initramfs-init.in
+---
+ initramfs-init.in |   12 +++++-------
+ 1 file changed, 5 insertions(+), 7 deletions(-)
+
+diff --git a/initramfs-init.in b/initramfs-init.in
+index b14ebf9..6e1ebc1 100755
+--- a/initramfs-init.in
++++ b/initramfs-init.in
+@@ -481,13 +481,11 @@ if [ -f "$ovl" ]; then
+ 	# hack, incase /root/.ssh was included in apkovl
+ 	[ -d "$sysroot/root" ] && chmod 700 "$sysroot/root"
+ 	pkgs="$pkgs $(sed 's/\#.*//' $sysroot/etc/lbu/packages.list 2>/dev/null)"
+-	rm -f "$sysroot"/etc/lbu/packages.list
+-	for world in etc/apk/world var/lib/apk/world; do
+-		if [ -e "$sysroot/$world" ]; then
+-			pkgs="$pkgs $(cat $sysroot/$world)"
+-			break;
+-		fi
+-	done
++	pkgs="$pkgs $(cat $sysroot/var/lib/apk/world \
++		$sysroot/etc/apk/world 2>/dev/null)"
++	# clean up after upgrade
++	rm -f $sysroot/etc/lbu/packages.list \
++		$sysroot/var/lib/apk/world
+ 
+ 	# fix up inittab from pre openrc times (alpine v1.8)
+ 	if [ -f "$sysroot"/etc/inittab ]; then
+-- 
+1.7.10.2
+

main/mkinitfs/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=mkinitfs
 pkgver=2.4.3
-pkgrel=1
+pkgrel=2
 pkgdesc="Tool to generate initramfs images for Alpine"
 url=http://git.alpinelinux.org/cgit/mkinitfs
 depends="busybox apk-tools>=2.0"
@@ -9,6 +9,7 @@ triggers="$pkgname.trigger=/usr/share/kernel/*"
 source="http://git.alpinelinux.org/cgit/$pkgname/snapshot/$pkgname-$pkgver.tar.bz2
 	0001-init-fix-inittab-for-users-who-upgrades-from-pre-ope.patch
 	0001-init-search-boot-repositories-after-relocation.patch
+	0001-Revert-init-only-use-etc-apk-world-when-it-exists.patch
 	eglibc.patch
 	"
 arch="noarch"
@@ -47,4 +48,5 @@ package() {
 md5sums="7373acb2159e24ba120ee46b0deb6bc4  mkinitfs-2.4.3.tar.bz2
 ba969f3b8d8a0dd74319492eb41a712b  0001-init-fix-inittab-for-users-who-upgrades-from-pre-ope.patch
 bd9fd3813c9c28b42a1eeb30f65718e5  0001-init-search-boot-repositories-after-relocation.patch
+7aea167ef747a6f0d92081628358083a  0001-Revert-init-only-use-etc-apk-world-when-it-exists.patch
 e59c2f7de496fe430b07e32fd812ebe0  eglibc.patch"