SD Connect compatibility added to a-put and a-get

a-get

@@ -534,8 +534,14 @@ if [[ $is_tar_file -eq 1 ]]; then
 	 sd-lock-util unlock --container "${locked_path}" --no-content-download --no-preserve-original --path "${locked_file}"
 	 exitcode=$?
          unlocked_file="${locked_file:0:(-5)}"
-         mv $unlocked_file  a-get_download_$$_tmp.zst
-	 rm -f "$locked_file"
+	 if [[ -e $ unlocked_file ]]; then
+            mv $unlocked_file  a-get_download_$$_tmp.zst
+            rm -f "$locked_file"
+	 else
+             echo "Decryption of $unlocked_file failed."
+	     echo "This is probably now SD Connect encrypted file"
+	     exitcode=1
+	 fi
      fi
 
      if [[ $exitcode -ne 0 ]]; then
@@ -627,13 +633,15 @@ else
 	       sd-lock-util unlock --container "${locked_path}" --no-content-download --no-preserve-original --path "${locked_file}"
 	       exitcode=$?
                unlocked_file="${locked_file:0:(-5)}"
-	       if [[  "$unlocked_file" != "$target_name" ]]; then
-	           mv "$unlocked_file" "$target_name"
-	       fi   
-	       rm -f "$locked_file"
-	       if [[ $exitcode -ne 0 ]]; then
-		   echo "SD connect based decryption failed"
+               if [[ -e $unlocked_file ]]; then
+         	   if [[  "$unlocked_file" != "$target_name" ]]; then
+	               mv "$unlocked_file" "$target_name"
+	           fi
+	       else
+		   echo "SD connect based decryption failed."
+		   exitcode=1
 	       fi
+	       rm -f "$locked_file"
            else
              if [[ ${target_name:0:1} != "/" ]]; then
                 #this is needed to cope with file names containing :