From 4a5cebaeda2c5062fb6c727f457ee3288f6046ef Mon Sep 17 00:00:00 2001 From: Barry Scott Date: Mon, 6 Jun 2016 10:28:29 +0100 Subject: log all the output from stdout and stderr for debugging process failures --- git/cmd.py | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/git/cmd.py b/git/cmd.py index fb00869c..f992a399 100644 --- a/git/cmd.py +++ b/git/cmd.py @@ -69,6 +69,10 @@ else: # Documentation ## @{ +def _drop_output_handler(line): + pass + + def handle_process_output(process, stdout_handler, stderr_handler, finalizer): """Registers for notifications to lean that process output is ready to read, and dispatches lines to the respective line handlers. We are able to handle carriage returns in case progress is sent by that @@ -79,6 +83,13 @@ def handle_process_output(process, stdout_handler, stderr_handler, finalizer): :param stdout_handler: f(stdout_line_string), or None :param stderr_hanlder: f(stderr_line_string), or None :param finalizer: f(proc) - wait for proc to finish""" + + log.debug('handle_process_output( process=%r, stdout_handler=%r, stderr_handler=%r, finalizer=%r' + % (process, stdout_handler, stderr_handler, finalizer)) + + if stdout_handler is None: + stdout_handler = _drop_output_handler + fdmap = {process.stdout.fileno(): (stdout_handler, [b'']), process.stderr.fileno(): (stderr_handler, [b''])} @@ -119,6 +130,7 @@ def handle_process_output(process, stdout_handler, stderr_handler, finalizer): # end single line helper def _dispatch_lines(fno, handler, buf_list): + log.debug('fno=%d, handler=%r, buf_list=%r' % (fno, handler, buf_list)) lc = 0 for line in _read_lines_from_fno(fno, buf_list): _dispatch_single_line(line, handler) @@ -332,6 +344,7 @@ class Git(LazyMixin): if status != 0: errstr = read_all_from_possibly_closed_stream(self.proc.stderr) + log.debug('AutoInterrupt wait stderr: %r' % (errstr,)) raise GitCommandError(self.args, status, errstr) # END status handling return status @@ -618,7 +631,7 @@ class Git(LazyMixin): bufsize=-1, stdin=istream, stderr=PIPE, - stdout=PIPE if with_stdout else open(os.devnull, 'wb'), + stdout=PIPE, shell=self.USE_SHELL, close_fds=(os.name == 'posix'), # unsupported on windows universal_newlines=universal_newlines, -- cgit v1.2.1