From 67986167a8377fdaf3f62cb89bea44f2ae53b6d5 Mon Sep 17 00:00:00 2001
From: Sebastian Schmelzer
Date: Wed, 15 Oct 2008 02:16:55 +0000
Subject:  * init-wrapper now supports second parameter (DEBUGLEVEL)    to
 trigger "set -x"  * init-wrapper is building diffs from "env"    they are
 stored in /tmp/env and will be included in    the next use of init-wrapper   
 important: you have to set the variables with export

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2309 95ad53e4-c205-0410-b2fa-d234c58c8868
---
 initramfs/stage3-stuff/bin/init-wrapper | 34 +++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

(limited to 'initramfs')

diff --git a/initramfs/stage3-stuff/bin/init-wrapper b/initramfs/stage3-stuff/bin/init-wrapper
index 3efd1cf4..d0b58239 100755
--- a/initramfs/stage3-stuff/bin/init-wrapper
+++ b/initramfs/stage3-stuff/bin/init-wrapper
@@ -1,4 +1,4 @@
-#!/bin/ash
+#!/bin/sh
 # Copyright (c) 2006..2008 - OpenSLX GmbH
 #
 # This program is free software distributed under the GPL version 2.
@@ -12,6 +12,12 @@
 # wrapperscript for plugin init files
 #############################################################################
 
+# get parameters
+init_file="$1"
+DEBUGLEVEL="$2"
+
+[ -z $DEBUGLEVEL ] && DEBUGLEVEL=0
+
 # how do the localization here? There is not yet a country-Variable
 . /etc/messages
 . /etc/functions
@@ -24,5 +30,29 @@
 # a certain InitRamFS generated by slxconfig-demuxer)
 [ -f /etc/initramfs-setup ] && . /etc/initramfs-setup 2>/dev/null
 
-[ -f $1 ] && . $1
+# initial
+[ -d /tmp/env ] || mkdir -p /tmp/env
+
+# load temporary environments
+for tmpenv in /tmp/env/*
+do
+ [ -f "$tmpenv" ]  && . $tmpenv
+done
+
+# get environment and prepare as sed command
+pre_env=$(env | sed -e 's/^\([^=]*\).*/\1/' | tr '\n' ';')
+pre_env=$(echo $pre_env| sed -e 's/;/\.\*\/\/;s\/\^/g')
+pre_env="s/^$pre_env//;"
+
+[ "${DEBUGLEVEL}" -gt 10 -a "${DEBUGLEVEL}" -le 20 ] && set -x
+[ -f $init_file ] && . $init_file
+[ "${DEBUGLEVEL}" -gt 10 -a "${DEBUGLEVEL}" -le 20 ] && set +x
+
+outfile=$(basename $init_file)
+outfile="${outfile}.env"
 
+# remove already known environment variables from postenv
+env |sed -e $pre_env | sort -u | \
+ sed -e '1s/.*/#generated by init-wrapper/' | \
+ sed -e 's/^\([^=]*\)=\(.*\)/\1="\2"/' \
+ > /tmp/env/$outfile
-- 
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