main/mkinitfs: delay umount of apkovl media so apk cache is available

When installing the apks we might need the apk cache so we need wait
with unmounting the apkovl media

ref #736

2 files changed, 97 insertions, 1 deletions

diff --git a/main/mkinitfs/APKBUILD b/main/mkinitfs/APKBUILD
index dd2c59a0f8..dca3535e1f 100644
--- a/main/mkinitfs/APKBUILD
+++ b/main/mkinitfs/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=mkinitfs
 pkgver=2.3.4
-pkgrel=3
+pkgrel=4
 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.git/snapshot/$pkgname-$pkgver.tar.bz2
 	0001-init-fix-progressbar-when-not-quiet.patch
 	mount-move.patch
+	delay-umount-apkovl.patch
 	eglibc.patch
 	"
 arch="noarch"
@@ -47,4 +48,5 @@ package() {
 md5sums="abec6dced89e137dc60542c1e5f938ac  mkinitfs-2.3.4.tar.bz2
 4ea4389d5dff0a69d6792420574d2f1f  0001-init-fix-progressbar-when-not-quiet.patch
 049392dd315240d2c7d892ef67072e03  mount-move.patch
+6d8b0a6f3b7a90152d84eda373743d84  delay-umount-apkovl.patch
 e59c2f7de496fe430b07e32fd812ebe0  eglibc.patch"
diff --git a/main/mkinitfs/delay-umount-apkovl.patch b/main/mkinitfs/delay-umount-apkovl.patch
new file mode 100644
index 0000000000..983008b3fb
--- /dev/null
+++ b/main/mkinitfs/delay-umount-apkovl.patch
@@ -0,0 +1,94 @@
+diff --git a/initramfs-init.in b/initramfs-init.in
+index f64ef26..8f01c8f 100755
+--- a/initramfs-init.in
++++ b/initramfs-init.in
+@@ -244,8 +244,8 @@ resolve_dev() {
+ 	esac
+ }
+ 
+-# remount ALPINE_MNT according given fstab
+-remount_alpine_mnt() {
++# relocate ALPINE_MNT according given fstab
++relocate_alpine_mnt() {
+ 	local fstab="$1"
+ 	local mnt=$(find_mnt $ALPINE_DEV $fstab)
+ 	if [ "$ALPINE_MNT" != "$mnt" ]; then
+@@ -253,10 +253,6 @@ remount_alpine_mnt() {
+ 		mount -o move $ALPINE_MNT $mnt
+ 		ALPINE_MNT=$mnt
+ 	fi
+-	# respect users mount options in fstab
+-	if [ -n "$MNTOPTS" ]; then
+-		mount -o remount,$MNTOPTS "$ALPINE_MNT"
+-	fi
+ }
+ 
+ # gotta start from somewhere :)
+@@ -458,7 +454,6 @@ if [ -f "$ovl" ]; then
+ 	eend $? $errstr || ovlfiles=
+ 	# hack, incase /root/.ssh was included in apkovl
+ 	[ -d "$sysroot/root" ] && chmod 700 "$sysroot/root"
+-	umount $ovl_unmount 2>/dev/null &
+ 	pkgs="$pkgs $(sed 's/\#.*//' $sysroot/etc/lbu/packages.list 2>/dev/null)"
+ 	rm -f "$sysroot"/etc/lbu/packages.list
+ 	pkgs="$pkgs $(cat $sysroot/var/lib/apk/world $sysroot/etc/apk/world 2>/dev/null)"
+@@ -480,12 +475,19 @@ else
+ 	rc_add savecache shutdown
+ fi
+ 
+-# let user override tmpfs size in fstab in apkovl
+ if [ -f $sysroot/etc/fstab ]; then
++	has_fstab=1
++
++	# let user override tmpfs size in fstab in apkovl
+ 	mountopts=$(awk '$2 == "/" && $3 == "tmpfs" { print $4 }' $sysroot/etc/fstab)
+ 	if [ -n "$mountopts" ]; then
+ 		mount -o remount,$mountopts $sysroot
+ 	fi
++
++	# move the ALPINE_MNT if ALPINE_DEV is specified in users fstab
++	# this is so a generated /etc/apk/repositories will use correct
++	# mount dir
++	relocate_alpine_mnt "$sysroot"/etc/fstab
+ fi
+ 
+ # in case we upgrade we might need those:
+@@ -496,13 +498,6 @@ rc_add modloop sysinit
+ # hack so we get openrc
+ pkgs="$pkgs alpine-base"
+ 
+-# move the ALPINE_MNT if ALPINE_DEV is specified in users fstab
+-# this is so a generated /etc/apk/repositories will use correct mount dir
+-if [ -f "$sysroot"/etc/fstab ]; then
+-	has_fstab=1
+-	remount_alpine_mnt "$sysroot"/etc/fstab
+-fi
+-
+ # copy keys so apk finds them. apk looks for stuff relative --root
+ mkdir -p $sysroot/etc/apk/keys/
+ cp -a /etc/apk/keys $sysroot/etc/apk
+@@ -537,11 +532,23 @@ else
+ fi
+ eend $?
+ 
++# unmount ovl mount if needed
++if [ -n "$ovl_unmount" ]; then
++	umount $ovl_unmount 2>/dev/null
++fi
++
+ # remount ALPINE_MNT according default fstab from package
+ if [ -z "$has_fstab" ] && [ -f "$sysroot"/etc/fstab ]; then
+-	remount_alpine_mnt "$sysroot"/etc/fstab
++	relocate_alpine_mnt "$sysroot"/etc/fstab
+ fi
+ 
++# respect mount options in fstab for ALPINE_MNT (e.g if user wants rw)
++opts=$(awk "\$2 == \"$ALPINE_MNT\" {print \$4}" $sysroot/etc/fstab)
++if [ -n "$opts" ]; then
++	mount -o remount,$opts "$ALPINE_MNT"
++fi
++
++
+ # fix inittab if alternative console
+ setup_inittab_console $CONSOLE
+