refactor: improve error handling in run_cmd function

aider/coders/base_coder.py

@@ -1946,7 +1946,7 @@ def handle_shell_commands(self, commands_str, group):
             self.io.tool_output(f"Running {command}")
             # Add the command to input history
             self.io.add_to_input_history(f"/run {command.strip()}")
-            exit_status, output = run_cmd(command)
+            exit_status, output = run_cmd(command, error_print=self.io.tool_error)
             if output:
                 accumulated_output += f"Output from {command}\n{output}\n"
 

aider/commands.py

@@ -778,7 +778,9 @@ def cmd_test(self, args):
 
     def cmd_run(self, args, add_on_nonzero_exit=False):
         "Run a shell command and optionally add the output to the chat (alias: !)"
-        exit_status, combined_output = run_cmd(args, verbose=self.verbose)
+        exit_status, combined_output = run_cmd(
+            args, verbose=self.verbose, error_print=self.io.tool_error
+        )
         instructions = None
 
         if combined_output is None:

aider/run_cmd.py

@@ -14,7 +14,7 @@ def run_cmd(command, verbose=False, error_print=None):
 
         return run_cmd_subprocess(command, verbose)
     except OSError as e:
-        error_message = f"OSError occurred while running command '{command}': {str(e)}"
+        error_message = f"Error occurred while running command '{command}': {str(e)}"
         if error_print is None:
             print(error_message)
         else: