fix terminal output when terminal is put into interactive mode

pkgs/clan-cli/clan_cli/custom_logger.py

@@ -2,6 +2,7 @@ import inspect
 import logging
 import os
 import sys
+import termios
 from pathlib import Path
 from typing import Any
 
@@ -74,7 +75,16 @@ class PrefixFormatter(logging.Formatter):
         if self.trace_prints:
             format_str += f"\nSource: {filepath}:%(lineno)d::%(funcName)s\n"
 
-        return logging.Formatter(format_str).format(record)
+        line = logging.Formatter(format_str).format(record)
+        try:
+            # Programs like sudo can set the terminal into raw mode.
+            # This means newlines are no longer translated to include a carriage return to the end.
+            # https://unix.stackexchange.com/questions/151916/why-is-this-binary-file-transferred-over-ssh-t-being-changed/151963#15196
+            if not termios.tcgetattr(sys.stdout.fileno())[3] & termios.ECHO:
+                line += "\r"
+        except Exception:  # not a tty or mocked sys.stdout
+            pass
+        return line
 
     def hostname_colorcode(self, hostname: str) -> tuple[int, int, int]:
         colorcodes = RgbColor.list_values()