From 6d3f4fd5557f5efc83c42374417f4a05e99d3744 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Tue, 5 Jun 2012 15:18:31 +0200
Subject: [PATCH] Moving out live-helpers from initramfs-tools specifics.

---
 Makefile                                           |  2 +-
 bin/live-snapshot                                  | 34 +++++++++++++++++++++-
 initramfs-tools/hooks/live                         |  1 -
 initramfs-tools/scripts/live-bottom/10validateroot |  1 -
 scripts/boot.sh                                    | 23 ++++++++++++++-
 .../live-helpers => scripts/boot/misc-helpers.sh   | 25 +---------------
 6 files changed, 57 insertions(+), 29 deletions(-)
 rename initramfs-tools/scripts/live-helpers => scripts/boot/misc-helpers.sh (97%)
 mode change 100644 => 100755

diff --git a/Makefile b/Makefile
index 655f41f..25b21ba 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ SHELL := sh -e
 
 LANGUAGES = $(shell cd manpages/po && ls)
 
-SCRIPTS = bin/* initramfs-tools/hooks/* initramfs-tools/scripts/live initramfs-tools/scripts/live-functions initramfs-tools/scripts/live-helpers initramfs-tools/scripts/*/* scripts/*.sh scripts/*/*
+SCRIPTS = bin/* initramfs-tools/hooks/* initramfs-tools/scripts/live initramfs-tools/scripts/live-functions initramfs-tools/scripts/*/* scripts/*.sh scripts/*/*
 
 all: build
 
diff --git a/bin/live-snapshot b/bin/live-snapshot
index 6ba45f2..e684824 100755
--- a/bin/live-snapshot
+++ b/bin/live-snapshot
@@ -37,7 +37,39 @@ else
 	set -e
 fi
 
-. /usr/share/initramfs-tools/scripts/live-helpers
+## Begin FIXME: this is an embedded copy of the old 'live-helpers' initramfs script
+if [ ! -x "/bin/fstype" ]
+then
+	# klibc not in path -> not in initramfs
+	export PATH="${PATH}:/usr/lib/klibc/bin"
+fi
+
+# handle upgrade path from old udev (using udevinfo) to
+# recent versions of udev (using udevadm info)
+if [ -x /sbin/udevadm ]
+then
+	udevinfo='/sbin/udevadm info'
+else
+	udevinfo='udevinfo'
+fi
+
+old_root_overlay_label="live-rw"
+old_home_overlay_label="home-rw"
+custom_overlay_label="custom-ov"
+root_snapshot_label="live-sn"
+old_root_snapshot_label="live-sn"
+home_snapshot_label="home-sn"
+persistence_list="live-persistence.conf"
+
+# include all scripts for the time being until snapshots are either dropped or cleaned up
+for _SCRIPT in /lib/live/boot/*
+do
+	if [ -e "${_SCRIPT}" ]
+	then
+		. ${_SCRIPT}
+	fi
+done
+## End FIXME: this is an embedded copy of the old 'live-helpers' initramfs script
 
 LIVE_CONF="/etc/live/boot.d/snapshot.conf"
 
diff --git a/initramfs-tools/hooks/live b/initramfs-tools/hooks/live
index 40f3de6..f0e945f 100755
--- a/initramfs-tools/hooks/live
+++ b/initramfs-tools/hooks/live
@@ -70,7 +70,6 @@ copy_exec /usr/share/live-boot/live-preseed /bin
 
 # Scripts
 cp /usr/share/initramfs-tools/scripts/live-functions "${DESTDIR}"/scripts
-cp /usr/share/initramfs-tools/scripts/live-helpers "${DESTDIR}"/scripts
 
 # klibc dependencies
 for FILE in /lib/libacl* /lib/libblkid* /lib/libuuid* /lib/libdevmapper* /lib/libattr*
diff --git a/initramfs-tools/scripts/live-bottom/10validateroot b/initramfs-tools/scripts/live-bottom/10validateroot
index d4d1620..32fcea3 100755
--- a/initramfs-tools/scripts/live-bottom/10validateroot
+++ b/initramfs-tools/scripts/live-bottom/10validateroot
@@ -21,7 +21,6 @@ case "${1}" in
 esac
 
 . /scripts/live-functions
-. /scripts/live-helpers
 
 if ! [ -d "/root/usr/share/live-boot" ]
 then
diff --git a/scripts/boot.sh b/scripts/boot.sh
index 5d4a20d..0b18a9c 100755
--- a/scripts/boot.sh
+++ b/scripts/boot.sh
@@ -35,7 +35,28 @@ then
 	touch /etc/mtab
 fi
 
-. /scripts/live-helpers
+if [ ! -x "/bin/fstype" ]
+then
+	# klibc not in path -> not in initramfs
+	export PATH="${PATH}:/usr/lib/klibc/bin"
+fi
+
+# handle upgrade path from old udev (using udevinfo) to
+# recent versions of udev (using udevadm info)
+if [ -x /sbin/udevadm ]
+then
+	udevinfo='/sbin/udevadm info'
+else
+	udevinfo='udevinfo'
+fi
+
+old_root_overlay_label="live-rw"
+old_home_overlay_label="home-rw"
+custom_overlay_label="custom-ov"
+root_snapshot_label="live-sn"
+old_root_snapshot_label="live-sn"
+home_snapshot_label="home-sn"
+persistence_list="live-persistence.conf"
 
 if [ ! -f /live.vars ]
 then
diff --git a/initramfs-tools/scripts/live-helpers b/scripts/boot/misc-helpers.sh
old mode 100644
new mode 100755
similarity index 97%
rename from initramfs-tools/scripts/live-helpers
rename to scripts/boot/misc-helpers.sh
index 73d15e7..202ebe6
--- a/initramfs-tools/scripts/live-helpers
+++ b/scripts/boot/misc-helpers.sh
@@ -1,27 +1,4 @@
-# live-boot helper functions, used by live-boot on boot and by live-snapshot
-
-if [ ! -x "/bin/fstype" ]
-then
-	# klibc not in path -> not in initramfs
-	export PATH="${PATH}:/usr/lib/klibc/bin"
-fi
-
-# handle upgrade path from old udev (using udevinfo) to
-# recent versions of udev (using udevadm info)
-if [ -x /sbin/udevadm ]
-then
-	udevinfo='/sbin/udevadm info'
-else
-	udevinfo='udevinfo'
-fi
-
-old_root_overlay_label="live-rw"
-old_home_overlay_label="home-rw"
-custom_overlay_label="custom-ov"
-root_snapshot_label="live-sn"
-old_root_snapshot_label="live-sn"
-home_snapshot_label="home-sn"
-persistence_list="live-persistence.conf"
+#!/bin/sh
 
 is_in_list_separator_helper () {
 	local sep=${1}
-- 
2.1.4