Warning!

--- a/docs/grml-live.txt	Thu Sep 20 17:59:45 2007 +0200
+++ b/docs/grml-live.txt	Fri Sep 21 10:52:13 2007 +0200
@@ -406,6 +406,9 @@ Known TODOs
 * support something like a directory /etc/grml/fai/packages to install
 additional Debian packages without the need for a Debian repository
 
+* provide hooks/options for updating an existing chroot/squashfs-file/ISO
+(work in progress, see patches directory inside source)
+
 * document the available classes in more detail (GRMLBASE, LATEX_CLEANUP,
 NO_ONLINE, REMOVE_DOCS, GRML_SMALL,...)
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/README	Fri Sep 21 10:52:13 2007 +0200
@@ -0,0 +1,7 @@
+fai_dirupdate_[1234].diff:
+
+Try to provide an "update chroot" action, like:
+
+  # TARGET=/dev/shm/grml_chroot fai -C/etc/grml/fai -cGRMLBASE,I386 dirupdate
+
+Needs work though...

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/fai_dirupdate_1.diff	Fri Sep 21 10:52:13 2007 +0200
@@ -0,0 +1,42 @@
+--- /usr/lib/fai/subroutines.orig	2007-09-21 10:04:05.000000000 +0200
++++ /usr/lib/fai/subroutines	2007-09-21 10:34:40.000000000 +0200
+@@ -266,6 +266,9 @@
+ 	dirinstall)
+ 	    task dirinstall
+ 	    ;;
++	dirupdate)
++	    task dirupdate
++	    ;;
+ 	softupdate)
+ 	    echo Performing FAI system update. All data may be overwritten!
+ 	    task softupdate
+@@ -491,6 +494,29 @@
+     fi
+ }
+ # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
++task_dirupdate() {
++
++    > $stamp
++
++    mkdir -p $FAI_ROOT
++    FAI_ROOT=$(cd $FAI_ROOT;pwd)
++    echo "Updating directory $FAI_ROOT"
++    task configure
++    task updatechroot
++    task finish
++
++    rm -f $stamp
++    unset LOGUSER # so logfile are not saved to remote
++    task savelog
++
++    if [ -f $stamp ]; then
++	echo "Error while executing commands in subshell."
++	echo "$stamp was not removed."
++	sendmon "TASKERROR install 21"
++	die "Please look at the log files in $LOGDIR for errors."
++    fi
++}
++# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+ task_softupdate() {
+ 
+     local stamp=/var/run/fai/fai_softupdate_is_running

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/fai_dirupdate_2.diff	Fri Sep 21 10:52:13 2007 +0200
@@ -0,0 +1,14 @@
+--- /usr/lib/fai/get-config-dir.orig	2007-09-21 10:13:24.000000000 +0200
++++ /usr/lib/fai/get-config-dir	2007-09-21 10:14:11.000000000 +0200
+@@ -9,6 +9,11 @@
+ # Short-Description: get $FAI directory from $FAI_CONFIG_SRC
+ ### END SUBROUTINE INFO
+ 
++if [ -n "FAI_NO_CONFIG_SRC" ] ; then
++	echo "Notice: skipping get-dir-config as requested"
++	exit 0
++fi
++
+ if [ -z "$FAI_CONFIG_SRC" ]; then
+ 	sendmon "TASKERROR get_fai_dir 21"
+ 	echo "Error: Provide the URL to obtain the fai config storage in \$FAI_CONFIG_SRC"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/fai_dirupdate_3.diff	Fri Sep 21 10:52:13 2007 +0200
@@ -0,0 +1,11 @@
+--- /usr/sbin/fai.orig	2007-09-21 10:45:21.000000000 +0200
++++ /usr/sbin/fai	2007-09-21 10:45:22.000000000 +0200
+@@ -280,7 +280,7 @@
+     trap 'clean_exit' EXIT
+ fi
+ 
+-mkfifo $LOGDIR/logfifo
++[ -w $LOGDIR/logfifo ] || mkfifo $LOGDIR/logfifo
+ tee -a $LOGDIR/fai.log < $LOGDIR/logfifo &
+ # in bash &> redirect stdout and stderr to file
+ fstart &> $LOGDIR/logfifo

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/fai_dirupdate_4.diff	Fri Sep 21 10:52:13 2007 +0200
@@ -0,0 +1,21 @@
+--- /usr/lib/fai/subroutines-linux.orig	2007-09-21 10:47:35.000000000 +0200
++++ /usr/lib/fai/subroutines-linux	2007-09-21 10:49:09.000000000 +0200
+@@ -229,6 +229,18 @@
+     updatebase
+ }
+ # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
++task_updatechroot() {
++
++    # update the chroot
++    echo "Updating chroot"
++    if [ -z "$TARGET" ] ; then
++        echo "Error: \$TARGET not set, exiting.">&2
++        return 1
++    else
++        chroot $TARGET apt-get update
++    fi
++}
++# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+ task_instsoft() {
+ 
+     echo "Installing software may take a while"