mount_root: prepare base-files

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36429 3c298f89-4303-0410-b956-a3cf2f4a3e73

9 files changed, 157 insertions, 0 deletions

diff --git a/package/base-files/files.old/lib/preinit/05_mount_skip b/package/base-files/files.old/lib/preinit/05_mount_skip
new file mode 100644
index 000000000..c2b7ee79d
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/05_mount_skip
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_skip() {
+    if [ "$pi_mount_skip_next" = "true" ]; then
+	return 0
+    else 
+	return 1
+    fi
+}
+
diff --git a/package/base-files/files.old/lib/preinit/10_check_for_mtd b/package/base-files/files.old/lib/preinit/10_check_for_mtd
new file mode 100644
index 000000000..6a7bd307f
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/10_check_for_mtd
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_mtd() {
+    mtd unlock rootfs
+    mount -o noatime,remount,rw /dev/root /
+}
+
+check_for_mtd() {
+    check_skip || {
+	grep -qs rootfs_data /proc/mtd || {
+	    mount_no_mtd && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_mtd
+
diff --git a/package/base-files/files.old/lib/preinit/20_check_jffs2_ready b/package/base-files/files.old/lib/preinit/20_check_jffs2_ready
new file mode 100644
index 000000000..3c5cf67e8
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/20_check_jffs2_ready
@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_jffs2() {
+    echo "jffs2 not ready yet; using ramdisk"
+    ramoverlay
+}
+
+check_for_jffs2() {
+    check_skip || {
+	jffs2_ready || {
+	    mount_no_jffs2 && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_jffs2
+
diff --git a/package/base-files/files.old/lib/preinit/40_mount_jffs2 b/package/base-files/files.old/lib/preinit/40_mount_jffs2
new file mode 100644
index 000000000..ded785ed5
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/40_mount_jffs2
@@ -0,0 +1,26 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+find_mount_jffs2() {
+    mkdir -p /tmp/overlay
+    mount -o noatime -t jffs2 "$(find_mtd_part rootfs_data)" /tmp/overlay
+    mtd -qq unlock rootfs_data
+}
+
+jffs2_not_mounted() {
+    if [ "$pi_jffs2_mount_success" != "true" ]; then
+	return 0
+    else
+	return 1
+    fi
+}
+
+do_mount_jffs2() {
+    check_skip || {
+	find_mount_jffs2 && pi_jffs2_mount_success=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_jffs2
+
diff --git a/package/base-files/files.old/lib/preinit/41_merge_overlay_hooks b/package/base-files/files.old/lib/preinit/41_merge_overlay_hooks
new file mode 100644
index 000000000..4ca6877be
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/41_merge_overlay_hooks
@@ -0,0 +1,24 @@
+#!/bin/sh
+# Copyright (C) 2010 OpenWrt.org
+
+merge_overlay_hooks() {
+	jffs2_not_mounted || [ ! -d /tmp/overlay/lib/preinit ] || {
+		echo "- merge overlay components -"
+
+		mkdir -p /tmp/preinit-hook-merge
+		ln -sf /lib/preinit/* /tmp/overlay/lib/preinit/[0-9][0-9]_* /tmp/preinit-hook-merge/
+
+		boot_hook_splice_start
+
+		local pipart
+		for pipart in /tmp/preinit-hook-merge/*; do
+			. $pipart
+		done
+
+		boot_hook_splice_finish
+
+		rm -rf /tmp/preinit-hook-merge
+	}
+}
+
+boot_hook_add preinit_mount_root merge_overlay_hooks
diff --git a/package/base-files/files.old/lib/preinit/70_pivot_jffs2_root b/package/base-files/files.old/lib/preinit/70_pivot_jffs2_root
new file mode 100644
index 000000000..b76f111ca
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/70_pivot_jffs2_root
@@ -0,0 +1,14 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+rootfs_pivot() {
+    check_skip || jffs2_not_mounted || {
+	echo "switching to jffs2"
+	mount -o noatime,move /tmp/overlay /overlay 2>&-
+	fopivot /overlay /rom && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root rootfs_pivot
+
diff --git a/package/base-files/files.old/lib/preinit/90_mount_no_jffs2 b/package/base-files/files.old/lib/preinit/90_mount_no_jffs2
new file mode 100644
index 000000000..d8ad4ae11
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/90_mount_no_jffs2
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_jffs2() {
+    check_skip || {
+	mount_no_jffs2 && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_jffs2
+
diff --git a/package/base-files/files.old/lib/preinit/90_restore_config b/package/base-files/files.old/lib/preinit/90_restore_config
new file mode 100644
index 000000000..210bf6184
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/90_restore_config
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+restore_config() {
+    [ -f /sysupgrade.tgz ] && {
+	echo "- config restore -"
+	cd /
+	mv sysupgrade.tgz /tmp
+	tar xzf /tmp/sysupgrade.tgz
+	rm -f /tmp/sysupgrade.tgz
+	sync
+    }
+}
+
+boot_hook_add preinit_main restore_config
+
diff --git a/package/base-files/files.old/lib/preinit/99_10_mount_no_mtd b/package/base-files/files.old/lib/preinit/99_10_mount_no_mtd
new file mode 100644
index 000000000..c4f38e415
--- /dev/null
+++ b/package/base-files/files.old/lib/preinit/99_10_mount_no_mtd
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_mtd() {
+    check_skip || {
+	mount_no_mtd
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_mtd
+