added tar error checking

lgsm/functions/command_backup.sh

@@ -17,7 +17,7 @@ fn_print_info_nl "A total of ${rootdirduexbackup} will be compressed into the fo
 echo "${backupdir}/${backupname}.tar.gz"
 echo ""
 while true; do
-	read -e -i "y" -p "Continue? [Y/N]" yn
+	read -p "Continue? [Y/N]" yn
 	case $yn in
 	[Yy]* ) break;;
 	[Nn]* ) echo Exiting; return;;
@@ -47,9 +47,13 @@ if [ ! -d "${backupdir}" ]; then
 	mkdir "${backupdir}"
 fi
 tar -czf "${backupdir}/${backupname}.tar.gz" -C "${rootdir}" --exclude "backups" ./*
-# NOTE: Need to add error checking for tar.
-fn_print_ok_nl "Backup created: ${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
-fn_script_log_pass "Backup created: ${backupdir}/${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
+if [ $? != 0 ]; then
+	fn_print_ok_nl "Backup created: ${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
+	fn_script_log_pass "Backup created: ${backupdir}/${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
+else
+	fn_print_error_nl "Backup failed: ${backupname}.tar.gz"
+	fn_script_log_error "Backup failed: ${backupname}.tar.gz"
+fi
 sleep 1
 echo ""
 core_exit.sh