diff --git a/src/borg/archiver/__init__.py b/src/borg/archiver/__init__.py
index 69f14d5ccb..f9cad61798 100644
--- a/src/borg/archiver/__init__.py
+++ b/src/borg/archiver/__init__.py
@@ -482,8 +482,9 @@ def run(self, args):
         func = get_func(args)
         # do not use loggers before this!
         is_serve = func == self.do_serve
-        self.log_json = args.log_json or is_serve
-        setup_logging(level=args.log_level, json=self.log_json)
+        self.log_json = args.log_json and not is_serve
+        func_name = getattr(func, "__name__", "none")
+        setup_logging(level=args.log_level, is_serve=is_serve, log_json=self.log_json, func=func_name)
         args.progress |= is_serve
         self._setup_implied_logging(vars(args))
         self._setup_topic_debugging(args)
diff --git a/src/borg/helpers/__init__.py b/src/borg/helpers/__init__.py
index e42d784151..1a745c49a2 100644
--- a/src/borg/helpers/__init__.py
+++ b/src/borg/helpers/__init__.py
@@ -33,7 +33,7 @@
 from .process import daemonize, daemonizing
 from .process import signal_handler, raising_signal_handler, sig_int, ignore_sigint, SigHup, SigTerm
 from .process import popen_with_error_handling, is_terminal, prepare_subprocess_env, create_filter_process
-from .progress import ProgressIndicatorPercent, ProgressIndicatorEndless, ProgressIndicatorMessage
+from .progress import ProgressIndicatorPercent, ProgressIndicatorMessage
 from .time import parse_timestamp, timestamp, safe_timestamp, safe_s, safe_ns, MAX_S, SUPPORT_32BIT_PLATFORMS
 from .time import format_time, format_timedelta, OutputTimestamp, archive_ts_now
 from .yes_no import yes, TRUISH, FALSISH, DEFAULTISH
diff --git a/src/borg/helpers/progress.py b/src/borg/helpers/progress.py
index 782c7fb340..8d6f8caff0 100644
--- a/src/borg/helpers/progress.py
+++ b/src/borg/helpers/progress.py
@@ -1,28 +1,15 @@
 import logging
 import json
-import sys
 import time
-from shutil import get_terminal_size
 
 from ..logger import create_logger
 
 logger = create_logger()
 
-from .parseformat import ellipsis_truncate
-
-
-def justify_to_terminal_size(message):
-    terminal_space = get_terminal_size(fallback=(-1, -1))[0]
-    # justify only if we are outputting to a terminal
-    if terminal_space != -1:
-        return message.ljust(terminal_space)
-    return message
-
 
 class ProgressIndicatorBase:
     LOGGER = "borg.output.progress"
     JSON_TYPE: str = None
-    json = False
 
     operation_id_counter = 0
 
@@ -33,73 +20,27 @@ def operation_id(cls):
         return cls.operation_id_counter
 
     def __init__(self, msgid=None):
-        self.handler = None
         self.logger = logging.getLogger(self.LOGGER)
         self.id = self.operation_id()
         self.msgid = msgid
 
-        # If there are no handlers, set one up explicitly because the
-        # terminator and propagation needs to be set.  If there are,
-        # they must have been set up by BORG_LOGGING_CONF: skip setup.
-        if not self.logger.handlers:
-            self.handler = logging.StreamHandler(stream=sys.stderr)
-            self.handler.setLevel(logging.INFO)
-            logger = logging.getLogger("borg")
-            # Some special attributes on the borg logger, created by setup_logging
-            # But also be able to work without that
-            try:
-                formatter = logger.formatter
-                terminator = "\n" if logger.json else "\r"
-                self.json = logger.json
-            except AttributeError:
-                terminator = "\r"
-            else:
-                self.handler.setFormatter(formatter)
-            self.handler.terminator = terminator
-
-            self.logger.addHandler(self.handler)
-            if self.logger.level == logging.NOTSET:
-                self.logger.setLevel(logging.WARN)
-            self.logger.propagate = False
-
-        # If --progress is not set then the progress logger level will be WARN
-        # due to setup_implied_logging (it may be NOTSET with a logging config file,
-        # but the interactions there are generally unclear), so self.emit becomes
-        # False, which is correct.
-        # If --progress is set then the level will be INFO as per setup_implied_logging;
-        # note that this is always the case for serve processes due to a "args.progress |= is_serve".
-        # In this case self.emit is True.
-        self.emit = self.logger.getEffectiveLevel() == logging.INFO
-
-    def __del__(self):
-        if self.handler is not None:
-            self.logger.removeHandler(self.handler)
-            self.handler.close()
-
-    def output_json(self, *, finished=False, **kwargs):
-        assert self.json
-        if not self.emit:
-            return
+    def make_json(self, *, finished=False, **kwargs):
         kwargs.update(
             dict(operation=self.id, msgid=self.msgid, type=self.JSON_TYPE, finished=finished, time=time.time())
         )
-        print(json.dumps(kwargs), file=sys.stderr, flush=True)
+        return json.dumps(kwargs)
 
     def finish(self):
-        if self.json:
-            self.output_json(finished=True)
-        else:
-            self.output("")
+        j = self.make_json(message="", finished=True)
+        self.logger.info(j)
 
 
 class ProgressIndicatorMessage(ProgressIndicatorBase):
     JSON_TYPE = "progress_message"
 
     def output(self, msg):
-        if self.json:
-            self.output_json(message=msg)
-        else:
-            self.logger.info(justify_to_terminal_size(msg))
+        j = self.make_json(message=msg)
+        self.logger.info(j)
 
 
 class ProgressIndicatorPercent(ProgressIndicatorBase):
@@ -141,58 +82,11 @@ def show(self, current=None, increase=1, info=None):
         """
         pct = self.progress(current, increase)
         if pct is not None:
-            # truncate the last argument, if no space is available
             if info is not None:
-                if not self.json:
-                    from ..platform import swidth  # avoid circular import
-
-                    # no need to truncate if we're not outputting to a terminal
-                    terminal_space = get_terminal_size(fallback=(-1, -1))[0]
-                    if terminal_space != -1:
-                        space = terminal_space - swidth(self.msg % tuple([pct] + info[:-1] + [""]))
-                        info[-1] = ellipsis_truncate(info[-1], space)
-                return self.output(self.msg % tuple([pct] + info), justify=False, info=info)
-
-            return self.output(self.msg % pct)
-
-    def output(self, message, justify=True, info=None):
-        if self.json:
-            self.output_json(message=message, current=self.counter, total=self.total, info=info)
-        else:
-            if justify:
-                message = justify_to_terminal_size(message)
-            self.logger.info(message)
-
-
-class ProgressIndicatorEndless:
-    def __init__(self, step=10, file=None):
-        """
-        Progress indicator (long row of dots)
-
-        :param step: every Nth call, call the func
-        :param file: output file, default: sys.stderr
-        """
-        self.counter = 0  # call counter
-        self.triggered = 0  # increases 1 per trigger event
-        self.step = step  # trigger every <step> calls
-        if file is None:
-            file = sys.stderr
-        self.file = file
-
-    def progress(self):
-        self.counter += 1
-        trigger = self.counter % self.step == 0
-        if trigger:
-            self.triggered += 1
-        return trigger
-
-    def show(self):
-        trigger = self.progress()
-        if trigger:
-            return self.output(self.triggered)
-
-    def output(self, triggered):
-        print(".", end="", file=self.file, flush=True)
+                return self.output(self.msg % tuple([pct] + info), info=info)
+            else:
+                return self.output(self.msg % pct)
 
-    def finish(self):
-        print(file=self.file)
+    def output(self, message, info=None):
+        j = self.make_json(message=message, current=self.counter, total=self.total, info=info)
+        self.logger.info(j)
diff --git a/src/borg/logger.py b/src/borg/logger.py
index 6788ff1180..f158aa7979 100644
--- a/src/borg/logger.py
+++ b/src/borg/logger.py
@@ -36,9 +36,64 @@
 import logging.config
 import logging.handlers  # needed for handlers defined there being configurable in logging.conf file
 import os
+import queue
+import sys
+import time
+from typing import Optional
 import warnings
 
+logging_debugging_path: Optional[str] = None  # if set, write borg.logger debugging log to path/borg-*.log
+
 configured = False
+borg_serve_log_queue: queue.SimpleQueue = queue.SimpleQueue()
+
+
+class BorgQueueHandler(logging.handlers.QueueHandler):
+    """borg serve writes log record dicts to a borg_serve_log_queue"""
+
+    def prepare(self, record: logging.LogRecord) -> dict:
+        return dict(
+            # kwargs needed for LogRecord constructor:
+            name=record.name,
+            level=record.levelno,
+            pathname=record.pathname,
+            lineno=record.lineno,
+            msg=record.msg,
+            args=record.args,
+            exc_info=record.exc_info,
+            func=record.funcName,
+            sinfo=record.stack_info,
+        )
+
+
+class StderrHandler(logging.StreamHandler):
+    """
+    This class is like a StreamHandler using sys.stderr, but always uses
+    whatever sys.stderr is currently set to rather than the value of
+    sys.stderr at handler construction time.
+    """
+
+    def __init__(self, stream=None):
+        logging.Handler.__init__(self)
+
+    @property
+    def stream(self):
+        return sys.stderr
+
+
+class TextProgressFormatter(logging.Formatter):
+    def format(self, record: logging.LogRecord) -> str:
+        # record.msg contains json (because we always do json for progress log)
+        j = json.loads(record.msg)
+        # inside the json, the text log line can be found under "message"
+        return f"{j['message']}"
+
+
+class JSONProgressFormatter(logging.Formatter):
+    def format(self, record: logging.LogRecord) -> str:
+        # record.msg contains json (because we always do json for progress log)
+        return f"{record.msg}"
+
 
 # use something like this to ignore warnings:
 # warnings.filterwarnings('ignore', r'... regex for warning message to ignore ...')
@@ -53,7 +108,22 @@ def _log_warning(message, category, filename, lineno, file=None, line=None):
     logger.warning(msg)
 
 
-def setup_logging(stream=None, conf_fname=None, env_var="BORG_LOGGING_CONF", level="info", json=False):
+def remove_handlers(logger):
+    for handler in logger.handlers[:]:
+        handler.flush()
+        handler.close()
+        logger.removeHandler(handler)
+
+
+def teardown_logging():
+    global configured
+    logging.shutdown()
+    configured = False
+
+
+def setup_logging(
+    stream=None, conf_fname=None, env_var="BORG_LOGGING_CONF", level="info", is_serve=False, log_json=False, func=None
+):
     """setup logging module according to the arguments provided
 
     if conf_fname is given (or the config file name can be determined via
@@ -61,6 +131,8 @@ def setup_logging(stream=None, conf_fname=None, env_var="BORG_LOGGING_CONF", lev
 
     otherwise, set up a stream handler logger on stderr (by default, if no
     stream is provided).
+
+    is_serve: are we setting up the logging for "borg serve"?
     """
     global configured
     err_msg = None
@@ -77,25 +149,56 @@ def setup_logging(stream=None, conf_fname=None, env_var="BORG_LOGGING_CONF", lev
                 logging.config.fileConfig(f)
             configured = True
             logger = logging.getLogger(__name__)
-            borg_logger = logging.getLogger("borg")
-            borg_logger.json = json
             logger.debug(f'using logging configuration read from "{conf_fname}"')
             warnings.showwarning = _log_warning
             return None
         except Exception as err:  # XXX be more precise
             err_msg = str(err)
+
     # if we did not / not successfully load a logging configuration, fallback to this:
-    logger = logging.getLogger("")
-    handler = logging.StreamHandler(stream)
+    level = level.upper()
     fmt = "%(message)s"
-    formatter = JsonFormatter(fmt) if json else logging.Formatter(fmt)
+    formatter = JsonFormatter(fmt) if log_json else logging.Formatter(fmt)
+    SHandler = StderrHandler if stream is None else logging.StreamHandler
+    handler = BorgQueueHandler(borg_serve_log_queue) if is_serve else SHandler(stream)
     handler.setFormatter(formatter)
-    borg_logger = logging.getLogger("borg")
-    borg_logger.formatter = formatter
-    borg_logger.json = json
-    logger.addHandler(handler)
-    logger.setLevel(level.upper())
+    logger = logging.getLogger()
+    remove_handlers(logger)
+    logger.setLevel(level)
+
+    if logging_debugging_path is not None:
+        # add an addtl. root handler for debugging purposes
+        log_fname = os.path.join(logging_debugging_path, f"borg-{'serve' if is_serve else 'client'}-root.log")
+        handler2 = logging.StreamHandler(open(log_fname, "a"))
+        handler2.setFormatter(formatter)
+        logger.addHandler(handler2)
+        logger.warning(f"--- {func} ---")  # only handler2 shall get this
+
+    logger.addHandler(handler)  # do this late, so handler is not added while debug handler is set up
+
+    bop_formatter = JSONProgressFormatter() if log_json else TextProgressFormatter()
+    bop_handler = BorgQueueHandler(borg_serve_log_queue) if is_serve else SHandler(stream)
+    bop_handler.setFormatter(bop_formatter)
+    bop_logger = logging.getLogger("borg.output.progress")
+    remove_handlers(bop_logger)
+    bop_logger.setLevel("INFO")
+    bop_logger.propagate = False
+
+    if logging_debugging_path is not None:
+        # add an addtl. progress handler for debugging purposes
+        log_fname = os.path.join(logging_debugging_path, f"borg-{'serve' if is_serve else 'client'}-progress.log")
+        bop_handler2 = logging.StreamHandler(open(log_fname, "a"))
+        bop_handler2.setFormatter(bop_formatter)
+        bop_logger.addHandler(bop_handler2)
+        json_dict = dict(
+            message=f"--- {func} ---", operation=0, msgid="", type="progress_message", finished=False, time=time.time()
+        )
+        bop_logger.warning(json.dumps(json_dict))  # only bop_handler2 shall get this
+
+    bop_logger.addHandler(bop_handler)  # do this late, so bop_handler is not added while debug handler is set up
+
     configured = True
+
     logger = logging.getLogger(__name__)
     if err_msg:
         logger.warning(f'setup_logging for "{conf_fname}" failed with "{err_msg}".')
diff --git a/src/borg/remote.py b/src/borg/remote.py
index d70ebada38..4976e6c7fa 100644
--- a/src/borg/remote.py
+++ b/src/borg/remote.py
@@ -1,9 +1,9 @@
 import errno
 import functools
 import inspect
-import json
 import logging
 import os
+import queue
 import select
 import shlex
 import shutil
@@ -15,6 +15,7 @@
 import traceback
 from subprocess import Popen, PIPE
 
+import borg.logger
 from . import __version__
 from .compress import Compressor
 from .constants import *  # NOQA
@@ -26,7 +27,7 @@
 from .helpers import format_file_size
 from .helpers import safe_unlink
 from .helpers import prepare_subprocess_env, ignore_sigint
-from .logger import create_logger
+from .logger import create_logger, borg_serve_log_queue
 from .helpers import msgpack
 from .repository import Repository
 from .version import parse_version, format_version
@@ -36,7 +37,7 @@
 logger = create_logger(__name__)
 
 BORG_VERSION = parse_version(__version__)
-MSGID, MSG, ARGS, RESULT = "i", "m", "a", "r"
+MSGID, MSG, ARGS, RESULT, LOG = "i", "m", "a", "r", "l"
 
 MAX_INFLIGHT = 100
 
@@ -125,6 +126,7 @@ class RepositoryServer:  # pragma: no cover
         "scan",
         "negotiate",
         "open",
+        "close",
         "info",
         "put",
         "rollback",
@@ -151,29 +153,41 @@ def filter_args(self, f, kwargs):
         known = set(inspect.signature(f).parameters)
         return {name: kwargs[name] for name in kwargs if name in known}
 
+    def send_queued_log(self):
+        while True:
+            try:
+                # lr_dict contents see BorgQueueHandler
+                lr_dict = borg_serve_log_queue.get_nowait()
+            except queue.Empty:
+                break
+            else:
+                msg = msgpack.packb({LOG: lr_dict})
+                os_write(self.stdout_fd, msg)
+
     def serve(self):
-        stdin_fd = sys.stdin.fileno()
-        stdout_fd = sys.stdout.fileno()
-        stderr_fd = sys.stdout.fileno()
-        os.set_blocking(stdin_fd, False)
-        os.set_blocking(stdout_fd, True)
-        os.set_blocking(stderr_fd, True)
+        self.stdin_fd = sys.stdin.fileno()
+        self.stdout_fd = sys.stdout.fileno()
+        os.set_blocking(self.stdin_fd, False)
+        os.set_blocking(self.stdout_fd, True)
         unpacker = get_limited_unpacker("server")
+        shutdown_serve = False
         while True:
-            r, w, es = select.select([stdin_fd], [], [], 10)
+            # before processing any new RPCs, send out all pending log output
+            self.send_queued_log()
+
+            if shutdown_serve:
+                # shutdown wanted! get out of here after sending all log output.
+                if self.repository is not None:
+                    self.repository.close()
+                return
+
+            # process new RPCs
+            r, w, es = select.select([self.stdin_fd], [], [], 10)
             if r:
-                data = os.read(stdin_fd, BUFSIZE)
+                data = os.read(self.stdin_fd, BUFSIZE)
                 if not data:
-                    if self.repository is not None:
-                        self.repository.close()
-                    else:
-                        os_write(
-                            stderr_fd,
-                            "Borg {}: Got connection close before repository was opened.\n".format(
-                                __version__
-                            ).encode(),
-                        )
-                    return
+                    shutdown_serve = True
+                    continue
                 unpacker.feed(data)
                 for unpacked in unpacker:
                     if isinstance(unpacked, dict):
@@ -234,12 +248,12 @@ def serve(self):
                                 }
                             )
 
-                        os_write(stdout_fd, msg)
+                        os_write(self.stdout_fd, msg)
                     else:
-                        os_write(stdout_fd, msgpack.packb({MSGID: msgid, RESULT: res}))
+                        os_write(self.stdout_fd, msgpack.packb({MSGID: msgid, RESULT: res}))
             if es:
-                self.repository.close()
-                return
+                shutdown_serve = True
+                continue
 
     def negotiate(self, client_data):
         if isinstance(client_data, dict):
@@ -301,6 +315,12 @@ def open(
         self.repository.__enter__()  # clean exit handled by serve() method
         return self.repository.id
 
+    def close(self):
+        if self.repository is not None:
+            self.repository.__exit__(None, None, None)
+        borg.logger.teardown_logging()
+        self.send_queued_log()
+
     def inject_exception(self, kind):
         s1 = "test string"
         s2 = "test string2"
@@ -726,10 +746,18 @@ def handle_error(unpacked):
                     self.rx_bytes += len(data)
                     self.unpacker.feed(data)
                     for unpacked in self.unpacker:
-                        if isinstance(unpacked, dict):
-                            msgid = unpacked[MSGID]
-                        else:
+                        if not isinstance(unpacked, dict):
                             raise UnexpectedRPCDataFormatFromServer(data)
+
+                        lr_dict = unpacked.get(LOG)
+                        if lr_dict is not None:
+                            # Re-emit remote log messages locally.
+                            _logger = logging.getLogger(lr_dict["name"])
+                            if _logger.isEnabledFor(lr_dict["level"]):
+                                _logger.handle(logging.LogRecord(**lr_dict))
+                            continue
+
+                        msgid = unpacked[MSGID]
                         if msgid in self.ignore_responses:
                             self.ignore_responses.remove(msgid)
                             # async methods never return values, but may raise exceptions.
@@ -755,8 +783,14 @@ def handle_error(unpacked):
                     if lines and not lines[-1].endswith((b"\r", b"\n")):
                         self.stderr_received = lines.pop()
                     # now we have complete lines in <lines> and any partial line in self.stderr_received.
+                    _logger = logging.getLogger()
                     for line in lines:
-                        handle_remote_line(line.decode())  # decode late, avoid partial utf-8 sequences
+                        # borg serve (remote/server side) should not emit stuff on stderr,
+                        # but e.g. the ssh process (local/client side) might output errors there.
+                        assert line.endswith((b"\r", b"\n"))
+                        # something came in on stderr, log it to not lose it.
+                        # decode late, avoid partial utf-8 sequences.
+                        _logger.warning("stderr: " + line.decode().strip())
             if w:
                 while (
                     (len(self.to_send) <= maximum_to_send)
@@ -872,6 +906,7 @@ def break_lock(self):
         """actual remoting is done via self.call in the @api decorator"""
 
     def close(self):
+        self.call("close", {}, wait=True)
         if self.p:
             self.p.stdin.close()
             self.p.stdout.close()
@@ -886,57 +921,6 @@ def preload(self, ids):
         self.preload_ids += ids
 
 
-def handle_remote_line(line):
-    """
-    Handle a remote log line.
-
-    This function is remarkably complex because it handles multiple wire formats.
-    """
-    assert line.endswith(("\r", "\n"))
-    if line.startswith("{"):
-        msg = json.loads(line)
-
-        if msg["type"] not in ("progress_message", "progress_percent", "log_message"):
-            logger.warning("Dropped remote log message with unknown type %r: %s", msg["type"], line)
-            return
-
-        if msg["type"] == "log_message":
-            # Re-emit log messages on the same level as the remote to get correct log suppression and verbosity.
-            level = getattr(logging, msg["levelname"], logging.CRITICAL)
-            assert isinstance(level, int)
-            target_logger = logging.getLogger(msg["name"])
-            msg["message"] = "Remote: " + msg["message"]
-            # In JSON mode, we manually check whether the log message should be propagated.
-            if logging.getLogger("borg").json and level >= target_logger.getEffectiveLevel():
-                sys.stderr.write(json.dumps(msg) + "\n")
-            else:
-                target_logger.log(level, "%s", msg["message"])
-        elif msg["type"].startswith("progress_"):
-            # Progress messages are a bit more complex.
-            # First of all, we check whether progress output is enabled. This is signalled
-            # through the effective level of the borg.output.progress logger
-            # (also see ProgressIndicatorBase in borg.helpers).
-            progress_logger = logging.getLogger("borg.output.progress")
-            if progress_logger.getEffectiveLevel() == logging.INFO:
-                # When progress output is enabled, we check whether the client is in
-                # --log-json mode, as signalled by the "json" attribute on the "borg" logger.
-                if logging.getLogger("borg").json:
-                    # In --log-json mode we re-emit the progress JSON line as sent by the server,
-                    # with the message, if any, prefixed with "Remote: ".
-                    if "message" in msg:
-                        msg["message"] = "Remote: " + msg["message"]
-                    sys.stderr.write(json.dumps(msg) + "\n")
-                elif "message" in msg:
-                    # In text log mode we write only the message to stderr and terminate with \r
-                    # (carriage return, i.e. move the write cursor back to the beginning of the line)
-                    # so that the next message, progress or not, overwrites it. This mirrors the behaviour
-                    # of local progress displays.
-                    sys.stderr.write("Remote: " + msg["message"] + "\r")
-    else:
-        # We don't know what priority the line had.
-        logging.getLogger("").warning("stderr/remote: " + line.strip())
-
-
 class RepositoryNoCache:
     """A not caching Repository wrapper, passes through to repository.
 
diff --git a/src/borg/testsuite/archiver/__init__.py b/src/borg/testsuite/archiver/__init__.py
index 932dc0f9c6..56b66a4391 100644
--- a/src/borg/testsuite/archiver/__init__.py
+++ b/src/borg/testsuite/archiver/__init__.py
@@ -21,8 +21,8 @@
 from ...helpers import Location
 from ...helpers import EXIT_SUCCESS
 from ...helpers import bin_to_hex
+from ...logger import teardown_logging
 from ...manifest import Manifest
-from ...logger import setup_logging
 from ...remote import RemoteRepository
 from ...repository import Repository
 from .. import has_lchflags
@@ -82,7 +82,10 @@ def exec_cmd(*args, archiver=None, fork=False, exe=None, input=b"", binary_outpu
             except SystemExit as e:
                 output_text.flush()
                 return e.code, output.getvalue() if binary_output else output.getvalue().decode()
-            ret = archiver.run(args)
+            try:
+                ret = archiver.run(args)
+            finally:
+                teardown_logging()  # usually done via atexit, but we do not exit here
             output_text.flush()
             return ret, output.getvalue() if binary_output else output.getvalue().decode()
         finally:
@@ -155,7 +158,6 @@ def tearDown(self):
         os.chdir(self._old_wd)
         # note: ignore_errors=True as workaround for issue #862
         shutil.rmtree(self.tmpdir, ignore_errors=True)
-        setup_logging()
 
     def cmd(self, *args, **kw):
         exit_code = kw.pop("exit_code", 0)
diff --git a/src/borg/testsuite/archiver/check_cmd.py b/src/borg/testsuite/archiver/check_cmd.py
index 9669ee7ac5..390199baf0 100644
--- a/src/borg/testsuite/archiver/check_cmd.py
+++ b/src/borg/testsuite/archiver/check_cmd.py
@@ -1,4 +1,3 @@
-import logging
 import shutil
 import unittest
 from unittest.mock import patch
@@ -26,8 +25,6 @@ def test_check_usage(self):
         self.assert_in("Starting repository check", output)
         self.assert_in("Starting archive consistency check", output)
         self.assert_in("Checking segments", output)
-        # reset logging to new process default to avoid need for fork=True on next check
-        logging.getLogger("borg.output.progress").setLevel(logging.NOTSET)
         output = self.cmd(f"--repo={self.repository_location}", "check", "-v", "--repository-only", exit_code=0)
         self.assert_in("Starting repository check", output)
         self.assert_not_in("Starting archive consistency check", output)
diff --git a/src/borg/testsuite/helpers.py b/src/borg/testsuite/helpers.py
index eba51b311a..3dee5755f5 100644
--- a/src/borg/testsuite/helpers.py
+++ b/src/borg/testsuite/helpers.py
@@ -34,7 +34,7 @@
 from ..helpers import StableDict, bin_to_hex
 from ..helpers import parse_timestamp, ChunkIteratorFileWrapper, ChunkerParams
 from ..helpers import archivename_validator, text_validator
-from ..helpers import ProgressIndicatorPercent, ProgressIndicatorEndless
+from ..helpers import ProgressIndicatorPercent
 from ..helpers import swidth_slice
 from ..helpers import chunkit
 from ..helpers import safe_ns, safe_s, SUPPORT_32BIT_PLATFORMS
@@ -998,65 +998,36 @@ def test_yes_env_output(capfd, monkeypatch):
     assert "yes" in err
 
 
-def test_progress_percentage_sameline(capfd, monkeypatch):
-    # run the test as if it was in a 4x1 terminal
-    monkeypatch.setenv("COLUMNS", "4")
-    monkeypatch.setenv("LINES", "1")
+def test_progress_percentage(capfd):
     pi = ProgressIndicatorPercent(1000, step=5, start=0, msg="%3.0f%%")
     pi.logger.setLevel("INFO")
     pi.show(0)
     out, err = capfd.readouterr()
-    assert err == "  0%\r"
+    assert err == "  0%\n"
     pi.show(420)
     pi.show(680)
     out, err = capfd.readouterr()
-    assert err == " 42%\r 68%\r"
+    assert err == " 42%\n 68%\n"
     pi.show(1000)
     out, err = capfd.readouterr()
-    assert err == "100%\r"
+    assert err == "100%\n"
     pi.finish()
     out, err = capfd.readouterr()
-    assert err == " " * 4 + "\r"
-
-
-@pytest.mark.skipif(is_win32, reason="no working swidth() implementation on this platform")
-def test_progress_percentage_widechars(capfd, monkeypatch):
-    st = "スター・トレック"  # "startrek" :-)
-    assert swidth(st) == 16
-    path = "/カーク船長です。"  # "Captain Kirk"
-    assert swidth(path) == 17
-    spaces = " " * 4  # to avoid usage of "..."
-    width = len("100%") + 1 + swidth(st) + 1 + swidth(path) + swidth(spaces)
-    monkeypatch.setenv("COLUMNS", str(width))
-    monkeypatch.setenv("LINES", "1")
-    pi = ProgressIndicatorPercent(100, step=5, start=0, msg=f"%3.0f%% {st} %s")
-    pi.logger.setLevel("INFO")
-    pi.show(0, info=[path])
-    out, err = capfd.readouterr()
-    assert err == f"  0% {st} {path}{spaces}\r"
-    pi.show(100, info=[path])
-    out, err = capfd.readouterr()
-    assert err == f"100% {st} {path}{spaces}\r"
-    pi.finish()
-    out, err = capfd.readouterr()
-    assert err == " " * width + "\r"
+    assert err == "\n"
 
 
-def test_progress_percentage_step(capfd, monkeypatch):
-    # run the test as if it was in a 4x1 terminal
-    monkeypatch.setenv("COLUMNS", "4")
-    monkeypatch.setenv("LINES", "1")
+def test_progress_percentage_step(capfd):
     pi = ProgressIndicatorPercent(100, step=2, start=0, msg="%3.0f%%")
     pi.logger.setLevel("INFO")
     pi.show()
     out, err = capfd.readouterr()
-    assert err == "  0%\r"
+    assert err == "  0%\n"
     pi.show()
     out, err = capfd.readouterr()
     assert err == ""  # no output at 1% as we have step == 2
     pi.show()
     out, err = capfd.readouterr()
-    assert err == "  2%\r"
+    assert err == "  2%\n"
 
 
 def test_progress_percentage_quiet(capfd):
@@ -1073,35 +1044,6 @@ def test_progress_percentage_quiet(capfd):
     assert err == ""
 
 
-def test_progress_endless(capfd):
-    pi = ProgressIndicatorEndless(step=1, file=sys.stderr)
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == "."
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == "."
-    pi.finish()
-    out, err = capfd.readouterr()
-    assert err == "\n"
-
-
-def test_progress_endless_step(capfd):
-    pi = ProgressIndicatorEndless(step=2, file=sys.stderr)
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == ""  # no output here as we have step == 2
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == "."
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == ""  # no output here as we have step == 2
-    pi.show()
-    out, err = capfd.readouterr()
-    assert err == "."
-
-
 def test_partial_format():
     assert partial_format("{space:10}", {"space": " "}) == " " * 10
     assert partial_format("{foobar}", {"bar": "wrong", "foobar": "correct"}) == "correct"
@@ -1322,19 +1264,19 @@ def os_unlink(_):
 
 class TestPassphrase:
     def test_passphrase_new_verification(self, capsys, monkeypatch):
-        monkeypatch.setattr(getpass, "getpass", lambda prompt: "12aöäü")
+        monkeypatch.setattr(getpass, "getpass", lambda prompt: "1234aöäü")
         monkeypatch.setenv("BORG_DISPLAY_PASSPHRASE", "no")
         Passphrase.new()
         out, err = capsys.readouterr()
-        assert "12" not in out
-        assert "12" not in err
+        assert "1234" not in out
+        assert "1234" not in err
 
         monkeypatch.setenv("BORG_DISPLAY_PASSPHRASE", "yes")
         passphrase = Passphrase.new()
         out, err = capsys.readouterr()
-        assert "313261c3b6c3a4c3bc" not in out
-        assert "313261c3b6c3a4c3bc" in err
-        assert passphrase == "12aöäü"
+        assert "3132333461c3b6c3a4c3bc" not in out
+        assert "3132333461c3b6c3a4c3bc" in err
+        assert passphrase == "1234aöäü"
 
         monkeypatch.setattr(getpass, "getpass", lambda prompt: "1234/@=")
         Passphrase.new()
diff --git a/src/borg/testsuite/repository.py b/src/borg/testsuite/repository.py
index 93957584a6..2b33bf9c1d 100644
--- a/src/borg/testsuite/repository.py
+++ b/src/borg/testsuite/repository.py
@@ -1,4 +1,3 @@
-import io
 import logging
 import os
 import shutil
@@ -13,7 +12,7 @@
 from ..helpers import IntegrityError
 from ..helpers import msgpack
 from ..locking import Lock, LockFailed
-from ..remote import RemoteRepository, InvalidRPCMethod, PathNotAllowed, handle_remote_line
+from ..remote import RemoteRepository, InvalidRPCMethod, PathNotAllowed
 from ..repository import Repository, LoggedIO, MAGIC, MAX_DATA_SIZE, TAG_DELETE, TAG_PUT2, TAG_PUT, TAG_COMMIT
 from ..repoobj import RepoObj
 from . import BaseTestCase
@@ -98,13 +97,12 @@ def test1(self):
         self.repository.delete(key50)
         self.assert_raises(Repository.ObjectNotFound, lambda: self.repository.get(key50))
         self.repository.commit(compact=False)
-        self.repository.close()
-        with self.open() as repository2:
-            self.assert_raises(Repository.ObjectNotFound, lambda: repository2.get(key50))
-            for x in range(100):
-                if x == 50:
-                    continue
-                self.assert_equal(pdchunk(repository2.get(H(x))), b"SOMEDATA")
+        self.reopen()
+        self.assert_raises(Repository.ObjectNotFound, lambda: self.repository.get(key50))
+        for x in range(100):
+            if x == 50:
+                continue
+            self.assert_equal(pdchunk(self.repository.get(H(x))), b"SOMEDATA")
 
     def test2(self):
         """Test multiple sequential transactions"""
@@ -159,17 +157,14 @@ def test_single_kind_transactions(self):
         # put
         self.repository.put(H(0), fchunk(b"foo"))
         self.repository.commit(compact=False)
-        self.repository.close()
+        self.reopen()
         # replace
-        self.repository = self.open()
-        with self.repository:
-            self.repository.put(H(0), fchunk(b"bar"))
-            self.repository.commit(compact=False)
+        self.repository.put(H(0), fchunk(b"bar"))
+        self.repository.commit(compact=False)
+        self.reopen()
         # delete
-        self.repository = self.open()
-        with self.repository:
-            self.repository.delete(H(0))
-            self.repository.commit(compact=False)
+        self.repository.delete(H(0))
+        self.repository.commit(compact=False)
 
     def test_list(self):
         for x in range(100):
@@ -276,14 +271,11 @@ def test_flags_persistence(self):
         # we do not set flags for H(0), so we can later check their default state.
         self.repository.flags(H(1), mask=0x00000007, value=0x00000006)
         self.repository.commit(compact=False)
-        self.repository.close()
-
-        self.repository = self.open()
-        with self.repository:
-            # we query all flags to check if the initial flags were all zero and
-            # only the ones we explicitly set to one are as expected.
-            self.assert_equal(self.repository.flags(H(0), mask=0xFFFFFFFF), 0x00000000)
-            self.assert_equal(self.repository.flags(H(1), mask=0xFFFFFFFF), 0x00000006)
+        self.reopen()
+        # we query all flags to check if the initial flags were all zero and
+        # only the ones we explicitly set to one are as expected.
+        self.assert_equal(self.repository.flags(H(0), mask=0xFFFFFFFF), 0x00000000)
+        self.assert_equal(self.repository.flags(H(1), mask=0xFFFFFFFF), 0x00000006)
 
 
 class LocalRepositoryTestCase(RepositoryTestCaseBase):
@@ -337,12 +329,10 @@ def test_uncommitted_garbage(self):
         last_segment = self.repository.io.get_latest_segment()
         with open(self.repository.io.segment_filename(last_segment + 1), "wb") as f:
             f.write(MAGIC + b"crapcrapcrap")
-        self.repository.close()
+        self.reopen()
         # usually, opening the repo and starting a transaction should trigger a cleanup.
-        self.repository = self.open()
-        with self.repository:
-            self.repository.put(H(0), fchunk(b"bar"))  # this may trigger compact_segments()
-            self.repository.commit(compact=True)
+        self.repository.put(H(0), fchunk(b"bar"))  # this may trigger compact_segments()
+        self.repository.commit(compact=True)
         # the point here is that nothing blows up with an exception.
 
 
@@ -385,11 +375,10 @@ def test_replay_lock_upgrade_old(self):
                 os.unlink(os.path.join(self.repository.path, name))
         with patch.object(Lock, "upgrade", side_effect=LockFailed) as upgrade:
             self.reopen(exclusive=None)  # simulate old client that always does lock upgrades
-            with self.repository:
-                # the repo is only locked by a shared read lock, but to replay segments,
-                # we need an exclusive write lock - check if the lock gets upgraded.
-                self.assert_raises(LockFailed, lambda: len(self.repository))
-                upgrade.assert_called_once_with()
+            # the repo is only locked by a shared read lock, but to replay segments,
+            # we need an exclusive write lock - check if the lock gets upgraded.
+            self.assert_raises(LockFailed, lambda: len(self.repository))
+            upgrade.assert_called_once_with()
 
     def test_replay_lock_upgrade(self):
         self.add_keys()
@@ -398,11 +387,10 @@ def test_replay_lock_upgrade(self):
                 os.unlink(os.path.join(self.repository.path, name))
         with patch.object(Lock, "upgrade", side_effect=LockFailed) as upgrade:
             self.reopen(exclusive=False)  # current client usually does not do lock upgrade, except for replay
-            with self.repository:
-                # the repo is only locked by a shared read lock, but to replay segments,
-                # we need an exclusive write lock - check if the lock gets upgraded.
-                self.assert_raises(LockFailed, lambda: len(self.repository))
-                upgrade.assert_called_once_with()
+            # the repo is only locked by a shared read lock, but to replay segments,
+            # we need an exclusive write lock - check if the lock gets upgraded.
+            self.assert_raises(LockFailed, lambda: len(self.repository))
+            upgrade.assert_called_once_with()
 
     def test_crash_before_deleting_compacted_segments(self):
         self.add_keys()
@@ -932,7 +920,7 @@ def test_hints_behaviour(self):
 class RemoteRepositoryTestCase(RepositoryTestCase):
     repository = None  # type: RemoteRepository
 
-    def open(self, create=False):
+    def open(self, create=False, exclusive=UNSPECIFIED):
         return RemoteRepository(
             Location("ssh://__testsuite__" + os.path.join(self.tmppath, "repository")), exclusive=True, create=create
         )
@@ -1064,75 +1052,3 @@ def test_repair_missing_commit_segment(self):
     def test_repair_missing_segment(self):
         # skip this test, files in RemoteRepository cannot be deleted
         pass
-
-
-class RemoteLoggerTestCase(BaseTestCase):
-    def setUp(self):
-        self.stream = io.StringIO()
-        self.handler = logging.StreamHandler(self.stream)
-        logging.getLogger().handlers[:] = [self.handler]
-        logging.getLogger("borg.repository").handlers[:] = []
-        logging.getLogger("borg.repository.foo").handlers[:] = []
-        # capture stderr
-        sys.stderr.flush()
-        self.old_stderr = sys.stderr
-        self.stderr = sys.stderr = io.StringIO()
-
-    def tearDown(self):
-        sys.stderr = self.old_stderr
-
-    def test_stderr_messages(self):
-        handle_remote_line("unstructured stderr message\n")
-        self.assert_equal(self.stream.getvalue(), "stderr/remote: unstructured stderr message\n")
-        self.assert_equal(self.stderr.getvalue(), "")
-
-    def test_post11_format_messages(self):
-        self.handler.setLevel(logging.DEBUG)
-        logging.getLogger().setLevel(logging.DEBUG)
-
-        msg = (
-            """{"type": "log_message", "levelname": "INFO", "name": "borg.repository", "msgid": 42,"""
-            """ "message": "borg >= 1.1 format message"}\n"""
-        )
-        handle_remote_line(msg)
-        self.assert_equal(self.stream.getvalue(), "Remote: borg >= 1.1 format message\n")
-        self.assert_equal(self.stderr.getvalue(), "")
-
-    def test_remote_messages_screened(self):
-        # default borg config for root logger
-        self.handler.setLevel(logging.WARNING)
-        logging.getLogger().setLevel(logging.WARNING)
-
-        msg = (
-            """{"type": "log_message", "levelname": "INFO", "name": "borg.repository", "msgid": 42,"""
-            """ "message": "new format info message"}\n"""
-        )
-        handle_remote_line(msg)
-        self.assert_equal(self.stream.getvalue(), "")
-        self.assert_equal(self.stderr.getvalue(), "")
-
-    def test_info_to_correct_local_child(self):
-        logging.getLogger("borg.repository").setLevel(logging.INFO)
-        logging.getLogger("borg.repository.foo").setLevel(logging.INFO)
-        # default borg config for root logger
-        self.handler.setLevel(logging.WARNING)
-        logging.getLogger().setLevel(logging.WARNING)
-
-        child_stream = io.StringIO()
-        child_handler = logging.StreamHandler(child_stream)
-        child_handler.setLevel(logging.INFO)
-        logging.getLogger("borg.repository").handlers[:] = [child_handler]
-        foo_stream = io.StringIO()
-        foo_handler = logging.StreamHandler(foo_stream)
-        foo_handler.setLevel(logging.INFO)
-        logging.getLogger("borg.repository.foo").handlers[:] = [foo_handler]
-
-        msg = (
-            """{"type": "log_message", "levelname": "INFO", "name": "borg.repository", "msgid": 42,"""
-            """ "message": "new format child message"}\n"""
-        )
-        handle_remote_line(msg)
-        self.assert_equal(foo_stream.getvalue(), "")
-        self.assert_equal(child_stream.getvalue(), "Remote: new format child message\n")
-        self.assert_equal(self.stream.getvalue(), "")
-        self.assert_equal(self.stderr.getvalue(), "")