From 742c479dcdab14b0f97cec0c0fc0dd1b6345472a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophile=20Bastian?= <contact@tobast.fr>
Date: Sun, 10 May 2020 16:32:23 +0200
Subject: [PATCH] Add logging facilities

---
 patch2vimedit/main.py | 35 ++++++++++++++++++++++++++++++++++-
 patch2vimedit/tmux.py | 19 ++++++++++++++++---
 2 files changed, 50 insertions(+), 4 deletions(-)

diff --git a/patch2vimedit/main.py b/patch2vimedit/main.py
index 5a3b4e4..8e0c93f 100644
--- a/patch2vimedit/main.py
+++ b/patch2vimedit/main.py
@@ -8,11 +8,21 @@ import tempfile
 import patch
 from tmux import TmuxSession
 from vim_session import VimSession
+import logging
+
+
+logger = logging.getLogger(__name__)
 
 
 def parse_args():
     """ Parse command-line arguments """
     parser = argparse.ArgumentParser(prog="patch2vimedit")
+    parser.add_argument(
+        "-g",
+        "--debug",
+        action="store_true",
+        help="Enable debug logging to /tmp/patch2log",
+    )
     parser.add_argument(
         "-C",
         "--directory",
@@ -46,7 +56,19 @@ def configure_home(home):
         tmux_conf.write("set -g status off\n")
     with vim_conf_path.open("w") as vim_conf:
         vim_conf.write(
-            "syntax on\nset bg=dark\nset number\nset ts=4\nset sw=4\nset et\nset so=5\n"
+            """
+syntax on
+set bg=dark
+set number
+set ts=4
+set sw=4
+set et
+set so=5
+set noautoindent
+set nosmartindent
+set nocindent
+set indentexpr&
+"""
         )
 
     return tmux_conf_path, vim_conf_path
@@ -73,10 +95,21 @@ def apply_patchset(patchset):
         tmux_session.session.kill_session()
 
 
+def configure_log(args):
+    if args.debug:
+        logging.basicConfig(filename="/tmp/patch2log", level=logging.DEBUG)
+    else:
+        logging.basicConfig(level=logging.CRITICAL)
+
+    logging.getLogger("libtmux").setLevel(logging.INFO)
+
+
 def main():
     """ Entry-point function """
     args = parse_args()
 
+    configure_log(args)
+
     patchset = get_patch(args.patch)
 
     if args.directory:
diff --git a/patch2vimedit/tmux.py b/patch2vimedit/tmux.py
index a6ba356..c75dee7 100644
--- a/patch2vimedit/tmux.py
+++ b/patch2vimedit/tmux.py
@@ -1,9 +1,11 @@
-import subprocess
 import multiprocessing
-import sys
 import random
-import libtmux
 import time
+import logging
+import libtmux
+
+
+logger = logging.getLogger(__name__)
 
 
 class TmuxSession:
@@ -15,10 +17,13 @@ class TmuxSession:
     def __init__(self, session):
         if self.tmux_server is None:
             raise Exception("Server not initialized")
+
         self.session = session
         self.session_id = session.id
         self.keyboard_speed = 0.00001
 
+        self.sendkey_log_buffer = []
+
     @classmethod
     def initialize_server(cls, socket_name=None, config_file=None):
         """ Initialize the tmux server """
@@ -67,6 +72,14 @@ class TmuxSession:
                 # Weirdly, `tmux send-keys 'blah;'` doesn't send the semicolon; and so
                 # does `tmux send-keys ';'`. We must escape it with a backslash.
                 arg = arg[:-1] + r"\;"
+
+            if arg in ["escape", "enter"]:
+                logline = "".join(self.sendkey_log_buffer) + " " + arg
+                logger.debug(logline)
+                self.sendkey_log_buffer = []
+            else:
+                self.sendkey_log_buffer.append(arg)
+
             self.session.attached_pane.send_keys(
                 arg, suppress_history=False, enter=False
             )