Adding upstream version 3.0~a9.

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

diff --git a/scripts/live b/scripts/live
index 18881af..5daec7f 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -325,9 +325,9 @@ Arguments ()
                                ;;
 
                        skipunion)
-                                SKIP_UNION_MOUNTS="Yes"
-                                export SKIP_UNION_MOUNTS
-                                ;;
+                               SKIP_UNION_MOUNTS="Yes"
+                               export SKIP_UNION_MOUNTS
+                               ;;
 
                        root=*)
                                ROOT="${ARGUMENT#root=}"
@@ -1005,16 +1005,17 @@ find_snap ()
 {
        # Look for ${snap_label}.* in block devices
        snap_label="${1}"
+       black_listed_devices="${2}"
 
        if [ "${PERSISTENT}" != "nofiles" ]
        then
                # search for image files
-               snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2")
+               snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2" "${black_listed_devices}")
        fi
 
        if [ -z "${snapdata}" ]
        then
-               snapdata=$(find_cow_device "${snap_label}")
+               snapdata=$(find_cow_device "${snap_label}" "${black_listed_devices}")
        fi
        echo "${snapdata}"
 }
@@ -1266,9 +1267,16 @@ setup_unionfs ()
                                        log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
                                fi
 
-                               mkdir -p "${croot}/${imagename}"
-                               log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
-                               mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+                               if [ "${UNIONTYPE}" != "unionmount" ]
+                               then
+                                       mpoint="${croot}/${imagename}"
+                                       rofsstring="${mpoint}=${roopt}:${rofsstring}" && rofslist="${mpoint} ${rofslist}"
+                               else
+                                       mpoint="${rootmnt}"
+                               fi
+                               mkdir -p "${mpoint}"
+                               log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
+                               mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
                                log_end_msg
                        fi
                done
@@ -1382,6 +1390,9 @@ setup_unionfs ()
                cow_mountopt="rw,noatime,mode=755"
        fi
 
+       if [ "${UNIONTYPE}" != "unionmount" ]
+       then
+
        if [ "${cow_fstype}" = "nfs" ]
        then
                log_begin_msg \
@@ -1392,6 +1403,7 @@ setup_unionfs ()
                mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
                        panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
        fi
+       fi
 
        rofscount=$(echo ${rofslist} |wc -w)
 
@@ -1436,6 +1448,10 @@ setup_unionfs ()
                                pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
                                ;;
 
+                       unionmount)
+                               mount_full -t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice} "${rootmnt}" || panic "${UNIONTYPE} ${cowdevice} on ${rootmnt} failed with option noatime,union,${cow_mountopt}"
+                               ;;
+
                        *)
                                mount -t ${UNIONTYPE} -o noatime,${noxino_opt}dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option noatime,${noxino_opt}dirs=/cow=rw:${rofsstring}"
                                ;;