initramfs-init: extract apkovl

also link mkiso to use the makefile

alpine.mk

@@ -80,7 +80,7 @@ INITFS_MODDIR	:= $(INITFS_DIR)/lib/modules/$(KERNEL)
 INITFS_MODDIRSTAMP := $(DESTDIR)/stamp.initfs.modules
 
 INITFS_APKS	:= $(UCLIBC_APK) $(BUSYBOX_APK)
-INITFS_RAWBASEFILES  := etc/mdev.conf etc/passwd etc/group etc/fstab
+INITFS_RAWBASEFILES  := etc/mdev.conf etc/passwd etc/group etc/fstab etc/modules
 INITFS_BASEFILES     := $(addprefix $(INITFS_DIR)/, $(INITFS_RAWBASEFILES))
 
 $(INITFS_DIRSTAMP): $(INITFS_APKS)
@@ -88,8 +88,7 @@ $(INITFS_DIRSTAMP): $(INITFS_APKS)
 	@rm -rf $(INITFS_DIR)
 	@mkdir -p $(addprefix $(INITFS_DIR)/, \
 		dev proc sys sbin bin .modloop lib/modules \
-		media/cdrom media/floppy media/usb \
+		media/cdrom media/floppy media/usb newroot)
-		newroot/proc newroot/sys)
 	@for apk in $(INITFS_APKS) ; do \
 		tar -C $(INITFS_DIR) -xzf $$apk ; \
 	done
@@ -158,7 +157,7 @@ $(ISOLINUX_CFG):
 	@echo "default linux" >>$(ISOLINUX_CFG)
 	@echo "label linux" >>$(ISOLINUX_CFG)
 	@echo "	kernel /boot/vmlinuz" >>$(ISOLINUX_CFG)
-	@echo "	append initrd=/boot/initramfs.gz alpine_dev=cdrom quiet" >>$(ISOLINUX_CFG)
+	@echo "	append initrd=/boot/initramfs.gz alpine_dev=cdrom modules=floppy quiet" >>$(ISOLINUX_CFG)
 
 ISO_KERNEL	:= $(ISO_DIR)/boot/vmlinuz
 ISO_APKS	:= $(ISO_DIR)/apks

initramfs-init

@@ -1,4 +1,4 @@
-#!/bin/ash
+#!/bin/sh
 
 VERSION=1.9.1-pre0
 NEWROOT=/newroot
@@ -36,6 +36,22 @@ scan_drivers() {
 	fi
 }
 
+find_ovl() {
+	local mnt="$1"
+	local ovl
+	local lines
+
+	# look for apkovl's on mounted media
+	ovl=$( ls -1 "$mnt"/*.apkovl.tar.gz* 2>/dev/null ) || return 1
+	lines=$(echo "$ovl" | wc -l)
+
+	if [ $lines -gt 1 ] ; then
+		echo "ERROR: More than one apkovl file was found on $(basename $mnt). None will be read." >&2
+		return 1
+	fi
+	echo "$ovl"
+}
+
 # gotta start from somewhere :)
 echo "Starting Alpine $VERSION"
 
@@ -74,9 +90,16 @@ mount -t devpts -o gid=5,mode=0620,noexec,nosuid devpts /dev/pts
 mount -t tmpfs -o nodev,nosuid,noexec shm /dev/shm
 eend $RC
 
+/bin/sh
 # load available drivers to get access to modloop media
 ebegin "Loading boot drivers"
 [ "$MODULES" ] && modprobe $MODULES 2> /dev/null
+if [ -f /etc/modules ] ; then
+	sed 's/\#.*//g' < /etc/modules |
+	while read module args; do
+		modprobe -q $module $args
+	done
+fi
 scan_drivers
 scan_drivers
 eend 0
@@ -110,11 +133,27 @@ ebegin "Loading hardware drivers"
 scan_drivers
 eend 0
 
+# look for apkovl
+for i in usb floppy cdrom; do
+	mount /media/$i 2>/dev/null || continue
+	ovl=$(find_ovl /media/$i)
+	[ -f "$ovl" ] && break
+	umount /media/$i 2>/dev/null
+done
+
+if [ -f "$ovl" ]; then
+	ebegin "Loading user settings from $ovl"
+	tar -C $NEWROOT -zxf "$ovl"
+	eend $?
+	umount /media/$i 2>/dev/null
+	pkgs=$(sed 's/\#.*//' $NEWROOT/etc/lbu/packages.list 2>/dev/null)
+fi
+
 # install new root
 ebegin "Installing packages to root filesystem"
 mount -t tmpfs -o size=50M tmpfs $NEWROOT
 apk create --root /newroot
-apk add --root /newroot --repository /media/cdrom/apks --quiet --progress
+apk add --root /newroot --repository /media/cdrom/apks --quiet --progress $pkgs
 eend $?
 
 # switch over to new root
@@ -125,4 +164,11 @@ cat /proc/mounts | while read DEV DIR TYPE OPTS ; do
 	fi
 done
 sync
-exec /bin/busybox switch_root $NEWROOT /sbin/init $KOPT_init_args || exec /bin/busybox sh
+
+if [ -x $NEWROOT/sbin/init ]; then
+	exec /bin/busybox switch_root $NEWROOT /sbin/init $KOPT_init_args
+fi
+
+echo "initramfs emergency recovery shell launched"
+exec /bin/busybox sh
+reboot

mkiso

@@ -1,66 +1,3 @@
 #!/bin/sh
 
-tmp=$PWD/tmp
+make -f alpine.mk
-aports=$PWD/../aports
-target=alpine-test.iso
-
-initramfs=test.gz
-modloop=modloop.cmg
-
-unapk() {
-	local dest="$1"
-	shift
-	while [ $# -gt 0 ]; do
-		tar -C "$dest" -zxf "$1"
-		shift
-	done
-	rm -f "$dest/.PKGINFO"
-}
-
-link_or_copy() {
-	ln -f "$1" "$2" 2>/dev/null || cp "$1" "$2"
-}
-
-
-rm -r $tmp
-mkdir -p $tmp/apks $tmp/isolinux
-cp /usr/share/syslinux/isolinux.* $tmp/isolinux
-cat >$tmp/isolinux/isolinux.cfg <<EOF
-timeout 20
-prompt 1
-default test
-
-label test
-	kernel /boot/vmlinuz
-	append initrd=/boot/test.gz alpine_dev=cdrom quiet
-EOF
-
-
-#cp $aports/core/*/*.apk $tmp/apks
-
-unapk $tmp $aports/core/linux-grsec/linux-grsec-[0-9]*.apk
-
-# only build initram if its missing or script is newer than target
-if [ ! -f "$initramfs" ] || [ mkinitram -nt "$initramfs" ]; then
-	sh mkinitram
-fi
-
-if [ ! -f "$modloop" ] || [ mkmodloop -nt "$modloop" ]; then
-	sh mkmodloop
-fi
-
-mkdir -p $tmp/boot/
-link_or_copy test.gz $tmp/boot/ 
-link_or_copy modloop.cmg $tmp/boot/
-
-echo "==> Creating ISO image"
-genisoimage -o $target -l -J -R \
-	-b isolinux/isolinux.bin \
-	-c isolinux/boot.cat	\
-	-no-emul-boot		\
-	-boot-load-size 4	\
-	-boot-info-table	\
-	-quiet			\
-	$tmp
-
-