New sequence to provide various backup options

Rsync included

seqs/backup.cfg.example

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Backup sequence definitions template.
+# Remove ".example" for customization.
+
+# A running debian needs at least the following runtime directories created to start up successfully:
+##  dev 
+##  proc
+##  sys
+##  run   
+
+# Exclude notation "directory/*" creates the directory but NOT its content
+BACKUP_EXCLUDES=(\
+ "backup*"\
+ "/home/network/*"\
+ "/dev/*"\
+ "/proc/*"\
+ "/sys/*"\
+ "/tmp/*"\
+ "/run/*"\
+ "/mnt/*"\
+ "/media/*"\
+ "/lost+found"\
+ )

seqs/backup.sh

@@ -0,0 +1,101 @@
+#!/bin/bash
+
+toolName=backup
+
+# Get script working directory
+# (when called from a different directory)
+WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
+CONFIG=0
+CONFIG_FILE="$WDIR/${toolName}.cfg"
+CONFIG_FILE_DEFAULT="${CONFIG_FILE}.example"
+
+step_config() {
+  if [ -f "$CONFIG_FILE" ] ; then
+    CONFIG=1
+    . "$CONFIG_FILE"
+  elif [ -f "$CONFIG_FILE_DEFAULT" ] ; then
+    echoerr " [W] Using default configuration $CONFIG_FILE_DEFAULT"
+    CONFIG=1
+    . "$CONFIG_FILE_DEFAULT"
+  else
+    echoerr " [W] No Configuration found."
+  fi
+}
+
+step_1_info() { 
+  echo "Backup root [ADDITIONAL_EXCLUDES...]"
+  echoinfo "Essential excludes are provided in the configuration template."
+  echoinfo "($CONFIG_FILE_DEFAULT)"
+}
+step_1_alias() { ALIAS="buroot"; }
+step_1() {
+  if [ $CONFIG -eq 0 ] ; then
+    echoerr " [E] Cannot backup root without properly configured excludes"
+    echoerr "     (expected template: $CONFIG_FILE_DEFAULT)"
+  fi
+
+  # don't use step number
+  shift
+
+  step budir / /backup "${BACKUP_EXCLUDES[@]}" "$@"
+}
+
+step_3_info() { 
+  echo "Backup <DIRECTORY> <TARGET> [EXCLUDES...]"
+  echoinfo "Exclude path notation starts within DIRECTORY."
+  echoinfo "e.g. to exclude DIRECTORY/a:"
+  echoinfo " $0 budir DIRECTORY TARGET a"
+}
+step_3_alias() { ALIAS="budir"; }
+step_3() {
+  # don't use step number
+  shift
+
+  if [ -z "$1" ] ; then
+    echoerr " [E] Noting found to backup $1"
+    exit 1
+  fi
+  
+  BACKUP_LOG=$(basename $1)
+  if [ "$BACKUP_LOG" == "/" ] ; then
+    BACKUP_LOG="root"
+    BACKUP_SOURCE=$1
+  else
+    # remove trailing slashes
+    BACKUP_SOURCE=$(echo $1 | sed 's:/*$::')
+  fi
+  BACKUP_LOG="backup_${BACKUP_LOG}"
+  shift
+
+  if [ -z "$1" ] ; then
+    echoerr " [E] No valid target found"
+    exit 1
+  fi
+  BACKUP_TARGET=$(echo $1 | sed 's:/*$::')
+  if [ ! -d "${BACKUP_TARGET}" ] && [ ! -L "${BACKUP_TARGET}" ]
+  then
+    echoerr " [E] Backup target (${BACKUP_TARGET}) doesn't exist"
+    exit 1
+  fi
+  shift
+
+  for exclu in "$@"; do
+    BU_EXCLUDES+=("--exclude='$exclu'")
+  done
+  
+  echo " [I] Source  : $BACKUP_SOURCE"
+  echo " [I] Target  : $BACKUP_TARGET"
+  echo " [I] Excludes: $@"
+
+  exep "mount -o rw,remount '${BACKUP_TARGET}' >>/dev/null 2>&1"
+  exep "mv -f ${BACKUP_TARGET}/${BACKUP_LOG}0.log /tmp/${BACKUP_LOG}1.log 2>/dev/null"
+  exep "rsync -avAX --delete --info=stats2 ${BU_EXCLUDES[*]} ${BACKUP_SOURCE}/ ${BACKUP_TARGET}/$(basename ${BACKUP_SOURCE}) > /tmp/${BACKUP_LOG}0.log"
+
+  exe mv -f /tmp/${BACKUP_LOG}*.log ${BACKUP_TARGET}
+  exe sync
+  exep "mount -o ro,remount '${BACKUP_TARGET}' >>/dev/null 2>&1"
+}
+
+VERSION_SEQREV=9
+. /usr/local/bin/sequencer.sh
+