Allowing to superseed live-boot cmdline through configuration files.

[live-boot-grml.git] / scripts / boot / 9990-main.sh

diff --git a/scripts/boot/9990-main.sh b/scripts/boot/9990-main.sh
index b1bdf42..e67176e 100755 (executable)
--- a/scripts/boot/9990-main.sh
+++ b/scripts/boot/9990-main.sh
@@ -2,7 +2,7 @@
 
 # set -e
 
-Main ()
+Live ()
 {
        if [ -x /scripts/local-top/cryptroot ]
        then
@@ -18,24 +18,20 @@ Main ()
 
        . /live.vars
 
-       _CMDLINE="$(cat /proc/cmdline)"
-       Cmdline
+       LIVE_BOOT_CMDLINE="${LIVE_BOOT_CMDLINE:-$(cat /proc/cmdline)}"
        Cmdline_old
 
-       case "${LIVE_DEBUG}" in
-               true)
-                       set -x
-                       ;;
-       esac
+       Debug
 
-       case "${LIVE_READ_ONLY}" in
-               true)
-                       Read_only
-                       ;;
-       esac
+       Read_only
 
        Select_eth_device
 
+       if [ -e /conf/param.conf ]
+       then
+               . /conf/param.conf
+       fi
+
        # Needed here too because some things (*cough* udev *cough*)
        # changes the timeout
 
@@ -92,11 +88,7 @@ Main ()
                panic "Unable to find a medium containing a live file system"
        fi
 
-       case "${LIVE_VERIFY_CHECKSUMS}" in
-               true)
-                       Verify_checksums "${livefs_root}"
-                       ;;
-       esac
+       Verify_checksums "${livefs_root}"
 
        if [ "${TORAM}" ]
        then
@@ -137,10 +129,23 @@ Main ()
                mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
        fi
 
+       # At this point /root should contain the final root filesystem.
+       # Move all mountpoints below /live into /root/lib/live/mount.
+       # This has to be done after mounting the root filesystem to /
+       # otherwise these mount points won't be accessible from the running system.
+       for _MOUNT in $(cat /proc/mounts | cut -f 2 -d " " | grep -e "^/live/")
+       do
+               local newmount
+               newmount="${rootmnt}/lib/live/mount/${_MOUNT#/live/}"
+               mkdir -p "${newmount}"
+               mount -o move "${_MOUNT}" "${newmount}" > /dev/null 2>&1 || \
+               mount -o bind "${_MOUNT}" "${newmount}" > /dev/null || \
+               log_warning_msg "W: failed to move or bindmount ${_MOUNT} to ${newmount}"
+       done
 
        if [ -n "${ROOT_PID}" ]
        then
-               echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
+               echo "${ROOT_PID}" > "${rootmnt}"/lib/live/root.pid
        fi
 
        log_end_msg
@@ -153,12 +158,6 @@ Main ()
                        ;;
        esac
 
-       # Move to the new root filesystem so that programs there can get at it.
-       if [ ! -d /root/live/image ]
-       then
-               mkdir -p /root/live/image
-               mount --move /live/image /root/live/image
-       fi
 
        # aufs2 in kernel versions around 2.6.33 has a regression:
        # directories can't be accessed when read for the first the time,
@@ -166,13 +165,6 @@ Main ()
        # when booting FAI, this simple workaround solves it
        ls /root/* >/dev/null 2>&1
 
-       # Move findiso directory to the new root filesystem so that programs there can get at it.
-       if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
-       then
-               mkdir -p /root/live/findiso
-               mount -n --move /live/findiso /root/live/findiso
-       fi
-
        # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
        # because the mountpoint is left behind in /proc/mounts, so let's get
        # rid of it when running from RAM
@@ -180,10 +172,10 @@ Main ()
        then
                losetup -d /dev/loop0
 
-               if is_mountpoint /root/live/findiso
+               if is_mountpoint /root/lib/live/mount/findiso
                then
-                       umount /root/live/findiso
-                       rmdir --ignore-fail-on-non-empty /root/live/findiso \
+                       umount /root/lib/live/mount/findiso
+                       rmdir --ignore-fail-on-non-empty /root/lib/live/mount/findiso \
                                >/dev/null 2>&1 || true
                fi
        fi