Adding casper 1.79+debian-2.

[live-boot-grml.git] / scripts / casper

diff --git a/scripts/casper b/scripts/casper
index 32c4517..17e19ae 100644 (file)
--- a/scripts/casper
+++ b/scripts/casper
@@ -23,8 +23,13 @@ export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
 
 . /scripts/casper-helpers
 
+if [ ! -f /casper.vars ]; then
+    touch /casper.vars
+fi
+
 parse_cmdline ()
 {
+    PRESEEDS=
     # looking for casper specifics options as kernel parameters
     for x in $(cat /proc/cmdline); do
         case $x in
@@ -42,14 +47,20 @@ parse_cmdline ()
                 ;;
             netboot*)
                 export NETBOOT=${x#netboot=} ;;
+            access=*)
+                export ACCESS=${x#access=} ;;
+            xdebconf)
+                export XDEBCONF="Yes" ;;
             toram)
-                export TORAM=1 ;;
+                export TORAM="Yes" ;;
             todisk=*)
                 export TODISK=${x#todisk=} ;;
             showmounts)
-                export SHOWMOUNTS=1 ;;
+                export SHOWMOUNTS="Yes" ;;
             persistent)
-                export PERSISTENT=1 ;;
+                export PERSISTENT="Yes" ;;
+            nopersistent)
+                export PERSISTENT="" ;;
             ip*)
                 STATICIP=${x#ip=}
                 if [ "${STATICIP}" == "" ]; then
@@ -58,26 +69,33 @@ parse_cmdline ()
                 export STATICIP ;;
             casper-getty)
                 export CASPERGETTY=1 ;;
+            bootfrom=*|live-media=*)
+                export LIVEMEDIA=${x#*=} ;;
+            live-media-timeout=*)
+                export LIVEMEDIA_TIMEOUT=${x#live-media-timeout=} ;;
+            live-media-offset=*)
+                export LIVEMEDIA_OFFSET=${x#live-media-offset=} ;;
+            locale=*|debian-installer/locale=*)
+                export LOCALE=${x#*=} ;;
+            keyb=*|kbd-chooser/method=*)
+                export KBD=${x#*=} ;;
+            klayout=*|console-setup/layoutcode=*)
+                export KLAYOUT=${x#*=} ;;
+            koptions=*)
+                export KOPTIONS=${x#koptions=} ;;
+            kvariant=*|console-setup/variantcode=*)
+                export KVARIANT=${x#*=} ;;
+            kmodel=*|console-setup/modelcode=*)
+                export KMODEL=${x#*=} ;;
+            preseed/file=*|file=*)
+                export LOCATION="${x#*=}" ;;
+            */*=*)
+                question="${x%%=*}"
+                value="${x#*=}"
+                PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
+                ;;
             console=*)
                 export DEFCONSOLE=$(sed -e 's%.*console=%console=%' /proc/cmdline) ;;
-            bootfrom=*)
-                export LIVEMEDIA=${x#bootfrom=} ;;
-            live-media=*)
-                export LIVEMEDIA=${x#live-media=} ;;
-            debian-installer/locale=*)
-                export LOCALE=${x#debian-installer/locale=} ;;
-            locale=*)
-                export LOCALE=${x#locale=} ;;
-            kbd-chooser/method=*)
-                export KBD=${x#kbd-chooser/method=} ;;
-            keyb=*)
-                export KBD=${x#keyb=} ;;
-            console-setup/layoutcode=*)
-                export CSLAYOUT=${x#console-setup/layoutcode=} ;;
-            console-setup/variantcode=*)
-                export CSVARIANT=${x#console-setup/variantcode=} ;;
-            console-setup/modelcode=*)
-                export CSMODEL=${x#console-setup/modelcode=} ;;
         esac
     done
 
@@ -208,7 +226,7 @@ do_netmount() {
 
     modprobe "${MP_QUIET}" af_packet # For DHCP
 
-    ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf
+    ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
 
     if [ "${NFSROOT}" = "auto" ]; then
         NFSROOT=${ROOTSERVER}:${ROOTPATH}
@@ -408,6 +426,7 @@ setup_unionfs() {
     rofsstring=${rofsstring%:}
 
     mkdir -p /cow
+
     cowdevice="tmpfs"
     cow_fstype="tmpfs"
 
@@ -466,6 +485,12 @@ check_dev ()
     if [ -z "${devname}" ]; then
         devname=$(sys2dev "${sysdev}")
     fi
+
+    if [ -n "${LIVEMEDIA_OFFSET}" ]; then
+        loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVEMEDIA_OFFSET}")
+        devname="${loopdevname}" 
+    fi
+
     fstype=$(get_fstype "${devname}")
     if is_supported_fs ${fstype}; then
         mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
@@ -476,16 +501,27 @@ check_dev ()
             umount $mountpoint
         fi
     fi
+
+    if [ -n "${LIVEMEDIA_OFFSET}" ]; then
+        losetup -d "${loopdevname}"
+    fi
     return 1
 }
 
 find_livefs() {
+    timeout="${1}"
     # first look at the one specified in the command line
     if [ ! -z "${LIVEMEDIA}" ]; then
         if check_dev "null" "${LIVEMEDIA}"; then
             return 0
         fi
     fi
+    # don't start autodetection before timeout has expired
+    if [ -n "${LIVEMEDIA_TIMEOUT}" ]; then
+        if [ "${timeout}" -lt "${LIVEMEDIA_TIMEOUT}" ]; then
+            return 1
+        fi
+    fi
     # or do the scan of block devices
     for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram); do
         devname=$(sys2dev "${sysblock}")
@@ -501,7 +537,7 @@ find_livefs() {
                 fi
             done
         elif [ "${fstype}" = "squashfs" -o \
-                "${fstype}" = "ext3" ] -o \
+                "${fstype}" = "ext3" -o \
                 "${fstype}" = "ext2" ]; then
             # This is an ugly hack situation, the block device has
             # an image directly on it.  It's hopefully
@@ -553,9 +589,9 @@ mountroot() {
         fi
     else
         # Scan local devices for the image
-        for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
-            livefs_root=$(find_livefs)
-            if [ ! -z "${livefs_root}" ]; then
+        for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do
+            livefs_root=$(find_livefs $i)
+            if [ -n "${livefs_root}" ]; then
                 break
             fi
             sleep 1