Mercurial > hg
view contrib/debugcmdserver.py @ 46236:eec47efe219d
sharesafe: add functionality to automatically downgrade shares
Reasoning is same as previous patch which adds automatic upgrade support.
Downgrade is required as if automatic upgrade is enabled, all shares upgrade and
then source repository downgrades, shares won't work. We need to downgrade them.
Differential Revision: https://phab.mercurial-scm.org/D9680
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 06 Jan 2021 18:31:16 +0530 |
parents | c102b704edb5 |
children | 6000f5b25c9b |
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#!/usr/bin/env python3 # # Dumps output generated by Mercurial's command server in a formatted style to a # given file or stderr if '-' is specified. Output is also written in its raw # format to stdout. # # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py - # o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8' from __future__ import absolute_import, print_function import struct import sys if len(sys.argv) != 2: print('usage: debugcmdserver.py FILE') sys.exit(1) outputfmt = '>cI' outputfmtsize = struct.calcsize(outputfmt) if sys.argv[1] == '-': log = sys.stderr else: log = open(sys.argv[1], 'a') def read(size): data = sys.stdin.read(size) if not data: raise EOFError sys.stdout.write(data) sys.stdout.flush() return data try: while True: header = read(outputfmtsize) channel, length = struct.unpack(outputfmt, header) log.write('%s, %-4d' % (channel, length)) if channel in 'IL': log.write(' -> waiting for input\n') else: data = read(length) log.write(' -> %r\n' % data) log.flush() except EOFError: pass finally: if log != sys.stderr: log.close()