Initial support for block device cloning

usr/share/rear/backup/BLOCKCLONE/default/100_mount_NETFS_path.sh

@@ -0,0 +1 @@
+../../NETFS/default/100_mount_NETFS_path.sh

usr/share/rear/backup/BLOCKCLONE/default/150_save_copy_of_prefix_dir.sh

@@ -0,0 +1 @@
+../../NETFS/default/150_save_copy_of_prefix_dir.sh

usr/share/rear/backup/BLOCKCLONE/default/200_make_prefix_dir.sh

@@ -0,0 +1 @@
+../../NETFS/default/200_make_prefix_dir.sh

usr/share/rear/backup/BLOCKCLONE/default/250_create_lock.sh

@@ -0,0 +1 @@
+../../NETFS/default/250_create_lock.sh

usr/share/rear/backup/BLOCKCLONE/default/500_start_clone.sh

@@ -0,0 +1,27 @@
+# This file is part of Relax-and-Recover, licensed under the GNU General
+# Public License. Refer to the included COPYING for full text of license.
+#
+# 500_start_clone.sh
+
+local backup_directory=$BUILD_DIR/outputfs/$NETFS_PREFIX
+
+# BLOCKCLONE progs could be handled here
+case "$(basename ${BLOCKCLONE_PROG})" in
+    (ntfsclone)
+        ntfsclone -q --save-image $BLOCKCLONE_COMMAND_OPTS \
+        -O $backuparchive $BLOCKCLONE_SOURCE_DEV
+    ;;
+    (dd)
+        # This does not work yet, only a placeholder
+        dd $BLOCKCLONE_COMMAND_OPTS
+    ;;
+esac
+
+# Save MBR data if $BLOCKCLONE_SAVE_MBR_DEV is set (non-empty)
+# ${BACKUP_PROG_ARCHIVE}_mbr.img will be used for partitioning (quick an dirty)
+# Dualboot on single disk DOES NOT YET WORK !!!
+if [ $BLOCKCLONE_SAVE_MBR_DEV ]; then
+    Log "Creating MBR image"
+    dd if=$BLOCKCLONE_SAVE_MBR_DEV of=$backup_directory/${BACKUP_PROG_ARCHIVE}_mbr.img bs=512 count=1
+    StopIfError "Failed to save MBR image"
+fi

usr/share/rear/backup/BLOCKCLONE/default/970_remove_lock.sh

@@ -0,0 +1 @@
+../../NETFS/default/970_remove_lock.sh

usr/share/rear/backup/BLOCKCLONE/default/980_umount_NETFS_dir.sh

@@ -0,0 +1 @@
+../../NETFS/default/980_umount_NETFS_dir.sh

usr/share/rear/conf/default.conf

@@ -100,25 +100,12 @@ OS_VERSION=none
 # keep the build area after we are done ? (BOOL)
 KEEP_BUILD_DIR=""
 
-# No default workflows. This variable is filled in where the workflows are defined
+# no default workflows. This variable is filled in where the worklflows are defined
 # without the empty string as initial value WORKFLOWS and LOCKLESS_WORKFLOWS would
 # be unbound variables that would result an error exit if 'set -eu' is used:
 WORKFLOWS=("")
-# Allow some workflows to not lock and use a separate logfile named 'LOGFILE.lockless'.
-# The LOCKLESS_WORKFLOWS array gets filled during runtime as needed by the various
-# usr/share/rear/lib/WORKFLOW-workflow.sh scripts. Currently the following workflows
-# add themselves to the LOCKLESS_WORKFLOWS array: checklayout dump help
+# allow some workflows to not lock, also generates a separate log
 LOCKLESS_WORKFLOWS=("")
-# SIMULTANEOUS_RUNNABLE_WORKFLOWS are also allowed to run simultaneously
-# but cannot use LOGFILE.lockless as the LOCKLESS_WORKFLOWS.
-# Instead the SIMULTANEOUS_RUNNABLE_WORKFLOWS get a LOGFILE with PID
-# because simultaneously runnable workflows require unique logfile names
-# so that the PID is interposed in the LOGFILE value from default.conf above,
-# i.e. by default SIMULTANEOUS_RUNNABLE_WORKFLOWS use during runtime
-# a logfile named /var/log/rear/rear-$HOSTNAME.$$.log that gets
-# at the end copied to a final possibly used-defined LOGFILE,
-# see /usr/sbin/rear and https://github.com/rear/rear/issues/1102
-SIMULTANEOUS_RUNNABLE_WORKFLOWS=( 'mkbackuponly' 'restoreonly' )
 
 # default backup and output targets
 BACKUP=REQUESTRESTORE
@@ -724,6 +711,14 @@ BORGBACKUP_PRUNE_WEEKLY=
 BORGBACKUP_PRUNE_MONTHLY=
 BORGBACKUP_PRUNE_YEARLY=
 
+##
+# BACKUP=BLOCKCLONE
+##
+BLOCKCLONE_SOURCE_DEV=""
+BLOCKCLONE_PROG=""
+BLOCKCLONE_COMMAND_OPTS=""
+BLOCKCLONE_SAVE_MBR_DEV=""
+
 # Environment variables
 # Borg is using couple of environment variables which can influence its behavior.
 # You can make use of them by putting 'export BORG_var_name="var_value"'

usr/share/rear/prep/BLOCKCLONE/default/050_check_NETFS_requirements.sh

@@ -0,0 +1 @@
+../../NETFS/default/050_check_NETFS_requirements.sh

usr/share/rear/prep/BLOCKCLONE/default/060_mount_NETFS_path.sh

@@ -0,0 +1 @@
+../../NETFS/default/060_mount_NETFS_path.sh

usr/share/rear/prep/BLOCKCLONE/default/070_set_backup_archive.sh

@@ -0,0 +1 @@
+../../NETFS/default/070_set_backup_archive.sh

usr/share/rear/prep/BLOCKCLONE/default/100_check_nfs_version.sh

@@ -0,0 +1 @@
+../../NETFS/default/100_check_nfs_version.sh

usr/share/rear/prep/BLOCKCLONE/default/980_umount_NETFS_dir.sh

@@ -0,0 +1 @@
+../../NETFS/default/980_umount_NETFS_dir.sh