v1.11 fix test -z with non existing vars; show final backup status

transfer.sh

@@ -29,6 +29,8 @@
 # 2019-06-05  ah,ds  v1.7  add custom cache dir
 # 2019-09-09  ah,ds  v1.8  add testfile on target
 # 2019-10-30  ah,ds  v1.9  for rsync targets: create remote target dir with ssh command
+# 2020-01-21  ah,ds  v1.10 show colored OK or FAILED at the end of output
+# 2020-02-25  ah,ds, v1.11 fix test -z with non existing vars; show final backup status
 # ================================================================================
 
 
@@ -49,14 +51,14 @@
   STORAGE_VOLSIZE=`_j_getvar ${STORAGEFILE} "volsize"`
 
   # check
-  if [ -z $STORAGE_BASEDIR ]; then
+  if [ -z "$STORAGE_BASEDIR" ]; then
     color error
     echo ERROR: missing config for backup target.
     echo There must be an entry storage in ${STORAGEFILE}
     color reset
     exit 1
   fi
-  if [ ! -z $STORAGE_TESTFILE -a ! -f $STORAGE_TESTFILE ]; then
+  if [ ! -z "$STORAGE_TESTFILE" -a ! -f "$STORAGE_TESTFILE" ]; then
     color error
     echo ERROR: missing testfile $STORAGE_TESTFILE on backup target.
     echo The Backup target disk / NAS is not mounted.
@@ -64,7 +66,7 @@
     exit 1
   fi
   
-  if [ -z $STORAGE_KEEP ]; then
+  if [ -z "$STORAGE_KEEP" ]; then
     color error
     echo ERROR: missing config for backup target.
     echo There must be an entry keep in ${STORAGEFILE}
@@ -338,6 +340,16 @@
   j_transferEnd
 
   echo STATUS $0 exit with final returncode rc=$rc                                    | tee -a $transferlog
+  echo                                                                                | tee -a $transferlog
+  if [ $rc -eq 0 ]; then
+    color ok
+    echo Backup OK                                                                    | tee -a $transferlog
+  else
+    color error
+    echo Backup FAILED :-/                                                            | tee -a $transferlog
+  fi
+  color reset
+  echo                                                                                | tee -a $transferlog
   echo `date` TRANSFER DONE                                                           | tee -a $transferlog
 
   ls -l $transferlog