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# dispatch.py - command dispatching for mercurial
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#
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import, print_function
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import difflib
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import errno
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import getopt
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import io
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import os
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import pdb
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import re
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import signal
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import sys
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import traceback
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from .i18n import _
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from .pycompat import getattr
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from hgdemandimport import tracing
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from . import (
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cmdutil,
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color,
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commands,
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demandimport,
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encoding,
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error,
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extensions,
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fancyopts,
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help,
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hg,
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hook,
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profiling,
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pycompat,
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rcutil,
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registrar,
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scmutil,
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ui as uimod,
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util,
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)
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from .utils import (
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procutil,
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stringutil,
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)
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class request(object):
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def __init__(
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self,
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args,
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ui=None,
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repo=None,
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fin=None,
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fout=None,
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ferr=None,
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fmsg=None,
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prereposetups=None,
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):
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self.args = args
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self.ui = ui
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self.repo = repo
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# input/output/error streams
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self.fin = fin
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self.fout = fout
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self.ferr = ferr
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# separate stream for status/error messages
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self.fmsg = fmsg
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# remember options pre-parsed by _earlyparseopts()
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self.earlyoptions = {}
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# reposetups which run before extensions, useful for chg to pre-fill
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# low-level repo state (for example, changelog) before extensions.
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self.prereposetups = prereposetups or []
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# store the parsed and canonical command
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self.canonical_command = None
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def _runexithandlers(self):
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exc = None
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handlers = self.ui._exithandlers
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try:
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while handlers:
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func, args, kwargs = handlers.pop()
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try:
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func(*args, **kwargs)
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except: # re-raises below
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if exc is None:
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exc = sys.exc_info()[1]
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self.ui.warnnoi18n(b'error in exit handlers:\n')
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self.ui.traceback(force=True)
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finally:
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if exc is not None:
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raise exc
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def run():
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"""run the command in sys.argv"""
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try:
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initstdio()
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with tracing.log('parse args into request'):
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req = request(pycompat.sysargv[1:])
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err = None
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try:
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status = dispatch(req)
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except error.StdioError as e:
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err = e
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status = -1
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# In all cases we try to flush stdio streams.
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if util.safehasattr(req.ui, b'fout'):
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assert req.ui is not None # help pytype
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assert req.ui.fout is not None # help pytype
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try:
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req.ui.fout.flush()
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except IOError as e:
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err = e
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status = -1
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if util.safehasattr(req.ui, b'ferr'):
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assert req.ui is not None # help pytype
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assert req.ui.ferr is not None # help pytype
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try:
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if err is not None and err.errno != errno.EPIPE:
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req.ui.ferr.write(
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b'abort: %s\n' % encoding.strtolocal(err.strerror)
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)
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req.ui.ferr.flush()
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# There's not much we can do about an I/O error here. So (possibly)
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# change the status code and move on.
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except IOError:
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status = -1
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_silencestdio()
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except KeyboardInterrupt:
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# Catch early/late KeyboardInterrupt as last ditch. Here nothing will
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# be printed to console to avoid another IOError/KeyboardInterrupt.
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status = -1
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sys.exit(status & 255)
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if pycompat.ispy3:
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def initstdio():
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# stdio streams on Python 3 are io.TextIOWrapper instances proxying another
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# buffer. These streams will normalize \n to \r\n by default. Mercurial's
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# preferred mechanism for writing output (ui.write()) uses io.BufferedWriter
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# instances, which write to the underlying stdio file descriptor in binary
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# mode. ui.write() uses \n for line endings and no line ending normalization
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# is attempted through this interface. This "just works," even if the system
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# preferred line ending is not \n.
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#
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# But some parts of Mercurial (e.g. hooks) can still send data to sys.stdout
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# and sys.stderr. They will inherit the line ending normalization settings,
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# potentially causing e.g. \r\n to be emitted. Since emitting \n should
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# "just work," here we change the sys.* streams to disable line ending
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# normalization, ensuring compatibility with our ui type.
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# write_through is new in Python 3.7.
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kwargs = {
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"newline": "\n",
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"line_buffering": sys.stdout.line_buffering,
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}
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if util.safehasattr(sys.stdout, "write_through"):
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kwargs["write_through"] = sys.stdout.write_through
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sys.stdout = io.TextIOWrapper(
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sys.stdout.buffer, sys.stdout.encoding, sys.stdout.errors, **kwargs
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)
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kwargs = {
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"newline": "\n",
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"line_buffering": sys.stderr.line_buffering,
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}
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if util.safehasattr(sys.stderr, "write_through"):
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kwargs["write_through"] = sys.stderr.write_through
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sys.stderr = io.TextIOWrapper(
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sys.stderr.buffer, sys.stderr.encoding, sys.stderr.errors, **kwargs
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)
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# No write_through on read-only stream.
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sys.stdin = io.TextIOWrapper(
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sys.stdin.buffer,
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sys.stdin.encoding,
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sys.stdin.errors,
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# None is universal newlines mode.
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newline=None,
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line_buffering=sys.stdin.line_buffering,
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)
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def _silencestdio():
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for fp in (sys.stdout, sys.stderr):
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# Check if the file is okay
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try:
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fp.flush()
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continue
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except IOError:
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pass
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# Otherwise mark it as closed to silence "Exception ignored in"
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# message emitted by the interpreter finalizer. Be careful to
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# not close procutil.stdout, which may be a fdopen-ed file object
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# and its close() actually closes the underlying file descriptor.
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try:
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fp.close()
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except IOError:
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pass
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else:
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def initstdio():
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for fp in (sys.stdin, sys.stdout, sys.stderr):
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procutil.setbinary(fp)
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def _silencestdio():
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pass
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def _getsimilar(symbols, value):
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sim = lambda x: difflib.SequenceMatcher(None, value, x).ratio()
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# The cutoff for similarity here is pretty arbitrary. It should
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# probably be investigated and tweaked.
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return [s for s in symbols if sim(s) > 0.6]
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def _reportsimilar(write, similar):
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if len(similar) == 1:
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write(_(b"(did you mean %s?)\n") % similar[0])
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elif similar:
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ss = b", ".join(sorted(similar))
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write(_(b"(did you mean one of %s?)\n") % ss)
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def _formatparse(write, inst):
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similar = []
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if isinstance(inst, error.UnknownIdentifier):
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# make sure to check fileset first, as revset can invoke fileset
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similar = _getsimilar(inst.symbols, inst.function)
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if len(inst.args) > 1:
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write(
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_(b"hg: parse error at %s: %s\n")
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% (pycompat.bytestr(inst.args[1]), inst.args[0])
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)
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if inst.args[0].startswith(b' '):
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write(_(b"unexpected leading whitespace\n"))
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else:
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write(_(b"hg: parse error: %s\n") % inst.args[0])
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_reportsimilar(write, similar)
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if inst.hint:
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write(_(b"(%s)\n") % inst.hint)
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def _formatargs(args):
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return b' '.join(procutil.shellquote(a) for a in args)
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def dispatch(req):
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"""run the command specified in req.args; returns an integer status code"""
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with tracing.log('dispatch.dispatch'):
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if req.ferr:
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ferr = req.ferr
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elif req.ui:
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ferr = req.ui.ferr
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else:
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ferr = procutil.stderr
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try:
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if not req.ui:
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req.ui = uimod.ui.load()
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req.earlyoptions.update(_earlyparseopts(req.ui, req.args))
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if req.earlyoptions[b'traceback']:
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req.ui.setconfig(b'ui', b'traceback', b'on', b'--traceback')
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# set ui streams from the request
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if req.fin:
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req.ui.fin = req.fin
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if req.fout:
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req.ui.fout = req.fout
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if req.ferr:
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req.ui.ferr = req.ferr
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if req.fmsg:
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req.ui.fmsg = req.fmsg
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except error.Abort as inst:
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ferr.write(_(b"abort: %s\n") % inst)
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if inst.hint:
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ferr.write(_(b"(%s)\n") % inst.hint)
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return -1
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except error.ParseError as inst:
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_formatparse(ferr.write, inst)
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return -1
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msg = _formatargs(req.args)
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starttime = util.timer()
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ret = 1 # default of Python exit code on unhandled exception
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try:
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ret = _runcatch(req) or 0
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except error.ProgrammingError as inst:
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req.ui.error(_(b'** ProgrammingError: %s\n') % inst)
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if inst.hint:
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req.ui.error(_(b'** (%s)\n') % inst.hint)
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raise
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except KeyboardInterrupt as inst:
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try:
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if isinstance(inst, error.SignalInterrupt):
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msg = _(b"killed!\n")
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else:
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msg = _(b"interrupted!\n")
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req.ui.error(msg)
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except error.SignalInterrupt:
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# maybe pager would quit without consuming all the output, and
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# SIGPIPE was raised. we cannot print anything in this case.
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pass
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except IOError as inst:
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if inst.errno != errno.EPIPE:
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raise
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ret = -1
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finally:
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duration = util.timer() - starttime
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req.ui.flush() # record blocked times
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if req.ui.logblockedtimes:
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req.ui._blockedtimes[b'command_duration'] = duration * 1000
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req.ui.log(
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b'uiblocked',
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b'ui blocked ms\n',
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**pycompat.strkwargs(req.ui._blockedtimes)
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)
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return_code = ret & 255
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req.ui.log(
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b"commandfinish",
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b"%s exited %d after %0.2f seconds\n",
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msg,
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return_code,
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duration,
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return_code=return_code,
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duration=duration,
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canonical_command=req.canonical_command,
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)
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try:
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req._runexithandlers()
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except: # exiting, so no re-raises
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ret = ret or -1
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# do flush again since ui.log() and exit handlers may write to ui
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req.ui.flush()
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return ret
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def _runcatch(req):
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with tracing.log('dispatch._runcatch'):
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def catchterm(*args):
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raise error.SignalInterrupt
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ui = req.ui
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try:
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for name in b'SIGBREAK', b'SIGHUP', b'SIGTERM':
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num = getattr(signal, name, None)
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if num:
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signal.signal(num, catchterm)
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except ValueError:
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pass # happens if called in a thread
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def _runcatchfunc():
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realcmd = None
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try:
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cmdargs = fancyopts.fancyopts(
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req.args[:], commands.globalopts, {}
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)
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cmd = cmdargs[0]
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aliases, entry = cmdutil.findcmd(cmd, commands.table, False)
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realcmd = aliases[0]
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except (
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error.UnknownCommand,
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error.AmbiguousCommand,
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IndexError,
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getopt.GetoptError,
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):
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# Don't handle this here. We know the command is
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# invalid, but all we're worried about for now is that
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# it's not a command that server operators expect to
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# be safe to offer to users in a sandbox.
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pass
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if realcmd == b'serve' and b'--stdio' in cmdargs:
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# We want to constrain 'hg serve --stdio' instances pretty
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# closely, as many shared-ssh access tools want to grant
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# access to run *only* 'hg -R $repo serve --stdio'. We
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# restrict to exactly that set of arguments, and prohibit
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# any repo name that starts with '--' to prevent
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# shenanigans wherein a user does something like pass
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# --debugger or --config=ui.debugger=1 as a repo
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# name. This used to actually run the debugger.
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if (
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len(req.args) != 4
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or req.args[0] != b'-R'
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or req.args[1].startswith(b'--')
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or req.args[2] != b'serve'
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or req.args[3] != b'--stdio'
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):
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raise error.Abort(
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_(b'potentially unsafe serve --stdio invocation: %s')
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% (stringutil.pprint(req.args),)
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)
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try:
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debugger = b'pdb'
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debugtrace = {b'pdb': pdb.set_trace}
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debugmortem = {b'pdb': pdb.post_mortem}
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# read --config before doing anything else
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# (e.g. to change trust settings for reading .hg/hgrc)
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cfgs = _parseconfig(req.ui, req.earlyoptions[b'config'])
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if req.repo:
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# copy configs that were passed on the cmdline (--config) to
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# the repo ui
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for sec, name, val in cfgs:
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req.repo.ui.setconfig(
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sec, name, val, source=b'--config'
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)
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# developer config: ui.debugger
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debugger = ui.config(b"ui", b"debugger")
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debugmod = pdb
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if not debugger or ui.plain():
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# if we are in HGPLAIN mode, then disable custom debugging
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debugger = b'pdb'
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elif req.earlyoptions[b'debugger']:
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# This import can be slow for fancy debuggers, so only
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# do it when absolutely necessary, i.e. when actual
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# debugging has been requested
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with demandimport.deactivated():
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try:
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debugmod = __import__(debugger)
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except ImportError:
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pass # Leave debugmod = pdb
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debugtrace[debugger] = debugmod.set_trace
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debugmortem[debugger] = debugmod.post_mortem
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# enter the debugger before command execution
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if req.earlyoptions[b'debugger']:
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ui.warn(
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_(
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b"entering debugger - "
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b"type c to continue starting hg or h for help\n"
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)
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)
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if (
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|
|
debugger != b'pdb'
|
|
|
and debugtrace[debugger] == debugtrace[b'pdb']
|
|
|
):
|
|
|
ui.warn(
|
|
|
_(
|
|
|
b"%s debugger specified "
|
|
|
b"but its module was not found\n"
|
|
|
)
|
|
|
% debugger
|
|
|
)
|
|
|
with demandimport.deactivated():
|
|
|
debugtrace[debugger]()
|
|
|
try:
|
|
|
return _dispatch(req)
|
|
|
finally:
|
|
|
ui.flush()
|
|
|
except: # re-raises
|
|
|
# enter the debugger when we hit an exception
|
|
|
if req.earlyoptions[b'debugger']:
|
|
|
traceback.print_exc()
|
|
|
debugmortem[debugger](sys.exc_info()[2])
|
|
|
raise
|
|
|
|
|
|
return _callcatch(ui, _runcatchfunc)
|
|
|
|
|
|
|
|
|
def _callcatch(ui, func):
|
|
|
"""like scmutil.callcatch but handles more high-level exceptions about
|
|
|
config parsing and commands. besides, use handlecommandexception to handle
|
|
|
uncaught exceptions.
|
|
|
"""
|
|
|
try:
|
|
|
return scmutil.callcatch(ui, func)
|
|
|
except error.AmbiguousCommand as inst:
|
|
|
ui.warn(
|
|
|
_(b"hg: command '%s' is ambiguous:\n %s\n")
|
|
|
% (inst.prefix, b" ".join(inst.matches))
|
|
|
)
|
|
|
except error.CommandError as inst:
|
|
|
if inst.command:
|
|
|
ui.pager(b'help')
|
|
|
msgbytes = pycompat.bytestr(inst.message)
|
|
|
ui.warn(_(b"hg %s: %s\n") % (inst.command, msgbytes))
|
|
|
commands.help_(ui, inst.command, full=False, command=True)
|
|
|
else:
|
|
|
ui.warn(_(b"hg: %s\n") % inst.message)
|
|
|
ui.warn(_(b"(use 'hg help -v' for a list of global options)\n"))
|
|
|
except error.ParseError as inst:
|
|
|
_formatparse(ui.warn, inst)
|
|
|
return -1
|
|
|
except error.UnknownCommand as inst:
|
|
|
nocmdmsg = _(b"hg: unknown command '%s'\n") % inst.args[0]
|
|
|
try:
|
|
|
# check if the command is in a disabled extension
|
|
|
# (but don't check for extensions themselves)
|
|
|
formatted = help.formattedhelp(
|
|
|
ui, commands, inst.args[0], unknowncmd=True
|
|
|
)
|
|
|
ui.warn(nocmdmsg)
|
|
|
ui.write(formatted)
|
|
|
except (error.UnknownCommand, error.Abort):
|
|
|
suggested = False
|
|
|
if len(inst.args) == 2:
|
|
|
sim = _getsimilar(inst.args[1], inst.args[0])
|
|
|
if sim:
|
|
|
ui.warn(nocmdmsg)
|
|
|
_reportsimilar(ui.warn, sim)
|
|
|
suggested = True
|
|
|
if not suggested:
|
|
|
ui.warn(nocmdmsg)
|
|
|
ui.warn(_(b"(use 'hg help' for a list of commands)\n"))
|
|
|
except IOError:
|
|
|
raise
|
|
|
except KeyboardInterrupt:
|
|
|
raise
|
|
|
except: # probably re-raises
|
|
|
if not handlecommandexception(ui):
|
|
|
raise
|
|
|
|
|
|
return -1
|
|
|
|
|
|
|
|
|
def aliasargs(fn, givenargs):
|
|
|
args = []
|
|
|
# only care about alias 'args', ignore 'args' set by extensions.wrapfunction
|
|
|
if not util.safehasattr(fn, b'_origfunc'):
|
|
|
args = getattr(fn, 'args', args)
|
|
|
if args:
|
|
|
cmd = b' '.join(map(procutil.shellquote, args))
|
|
|
|
|
|
nums = []
|
|
|
|
|
|
def replacer(m):
|
|
|
num = int(m.group(1)) - 1
|
|
|
nums.append(num)
|
|
|
if num < len(givenargs):
|
|
|
return givenargs[num]
|
|
|
raise error.Abort(_(b'too few arguments for command alias'))
|
|
|
|
|
|
cmd = re.sub(br'\$(\d+|\$)', replacer, cmd)
|
|
|
givenargs = [x for i, x in enumerate(givenargs) if i not in nums]
|
|
|
args = pycompat.shlexsplit(cmd)
|
|
|
return args + givenargs
|
|
|
|
|
|
|
|
|
def aliasinterpolate(name, args, cmd):
|
|
|
'''interpolate args into cmd for shell aliases
|
|
|
|
|
|
This also handles $0, $@ and "$@".
|
|
|
'''
|
|
|
# util.interpolate can't deal with "$@" (with quotes) because it's only
|
|
|
# built to match prefix + patterns.
|
|
|
replacemap = {b'$%d' % (i + 1): arg for i, arg in enumerate(args)}
|
|
|
replacemap[b'$0'] = name
|
|
|
replacemap[b'$$'] = b'$'
|
|
|
replacemap[b'$@'] = b' '.join(args)
|
|
|
# Typical Unix shells interpolate "$@" (with quotes) as all the positional
|
|
|
# parameters, separated out into words. Emulate the same behavior here by
|
|
|
# quoting the arguments individually. POSIX shells will then typically
|
|
|
# tokenize each argument into exactly one word.
|
|
|
replacemap[b'"$@"'] = b' '.join(procutil.shellquote(arg) for arg in args)
|
|
|
# escape '\$' for regex
|
|
|
regex = b'|'.join(replacemap.keys()).replace(b'$', br'\$')
|
|
|
r = re.compile(regex)
|
|
|
return r.sub(lambda x: replacemap[x.group()], cmd)
|
|
|
|
|
|
|
|
|
class cmdalias(object):
|
|
|
def __init__(self, ui, name, definition, cmdtable, source):
|
|
|
self.name = self.cmd = name
|
|
|
self.cmdname = b''
|
|
|
self.definition = definition
|
|
|
self.fn = None
|
|
|
self.givenargs = []
|
|
|
self.opts = []
|
|
|
self.help = b''
|
|
|
self.badalias = None
|
|
|
self.unknowncmd = False
|
|
|
self.source = source
|
|
|
|
|
|
try:
|
|
|
aliases, entry = cmdutil.findcmd(self.name, cmdtable)
|
|
|
for alias, e in pycompat.iteritems(cmdtable):
|
|
|
if e is entry:
|
|
|
self.cmd = alias
|
|
|
break
|
|
|
self.shadows = True
|
|
|
except error.UnknownCommand:
|
|
|
self.shadows = False
|
|
|
|
|
|
if not self.definition:
|
|
|
self.badalias = _(b"no definition for alias '%s'") % self.name
|
|
|
return
|
|
|
|
|
|
if self.definition.startswith(b'!'):
|
|
|
shdef = self.definition[1:]
|
|
|
self.shell = True
|
|
|
|
|
|
def fn(ui, *args):
|
|
|
env = {b'HG_ARGS': b' '.join((self.name,) + args)}
|
|
|
|
|
|
def _checkvar(m):
|
|
|
if m.groups()[0] == b'$':
|
|
|
return m.group()
|
|
|
elif int(m.groups()[0]) <= len(args):
|
|
|
return m.group()
|
|
|
else:
|
|
|
ui.debug(
|
|
|
b"No argument found for substitution "
|
|
|
b"of %i variable in alias '%s' definition.\n"
|
|
|
% (int(m.groups()[0]), self.name)
|
|
|
)
|
|
|
return b''
|
|
|
|
|
|
cmd = re.sub(br'\$(\d+|\$)', _checkvar, shdef)
|
|
|
cmd = aliasinterpolate(self.name, args, cmd)
|
|
|
return ui.system(
|
|
|
cmd, environ=env, blockedtag=b'alias_%s' % self.name
|
|
|
)
|
|
|
|
|
|
self.fn = fn
|
|
|
self.alias = True
|
|
|
self._populatehelp(ui, name, shdef, self.fn)
|
|
|
return
|
|
|
|
|
|
try:
|
|
|
args = pycompat.shlexsplit(self.definition)
|
|
|
except ValueError as inst:
|
|
|
self.badalias = _(b"error in definition for alias '%s': %s") % (
|
|
|
self.name,
|
|
|
stringutil.forcebytestr(inst),
|
|
|
)
|
|
|
return
|
|
|
earlyopts, args = _earlysplitopts(args)
|
|
|
if earlyopts:
|
|
|
self.badalias = _(
|
|
|
b"error in definition for alias '%s': %s may "
|
|
|
b"only be given on the command line"
|
|
|
) % (self.name, b'/'.join(pycompat.ziplist(*earlyopts)[0]))
|
|
|
return
|
|
|
self.cmdname = cmd = args.pop(0)
|
|
|
self.givenargs = args
|
|
|
|
|
|
try:
|
|
|
tableentry = cmdutil.findcmd(cmd, cmdtable, False)[1]
|
|
|
if len(tableentry) > 2:
|
|
|
self.fn, self.opts, cmdhelp = tableentry
|
|
|
else:
|
|
|
self.fn, self.opts = tableentry
|
|
|
cmdhelp = None
|
|
|
|
|
|
self.alias = True
|
|
|
self._populatehelp(ui, name, cmd, self.fn, cmdhelp)
|
|
|
|
|
|
except error.UnknownCommand:
|
|
|
self.badalias = _(
|
|
|
b"alias '%s' resolves to unknown command '%s'"
|
|
|
) % (self.name, cmd,)
|
|
|
self.unknowncmd = True
|
|
|
except error.AmbiguousCommand:
|
|
|
self.badalias = _(
|
|
|
b"alias '%s' resolves to ambiguous command '%s'"
|
|
|
) % (self.name, cmd,)
|
|
|
|
|
|
def _populatehelp(self, ui, name, cmd, fn, defaulthelp=None):
|
|
|
# confine strings to be passed to i18n.gettext()
|
|
|
cfg = {}
|
|
|
for k in (b'doc', b'help', b'category'):
|
|
|
v = ui.config(b'alias', b'%s:%s' % (name, k), None)
|
|
|
if v is None:
|
|
|
continue
|
|
|
if not encoding.isasciistr(v):
|
|
|
self.badalias = _(
|
|
|
b"non-ASCII character in alias definition '%s:%s'"
|
|
|
) % (name, k)
|
|
|
return
|
|
|
cfg[k] = v
|
|
|
|
|
|
self.help = cfg.get(b'help', defaulthelp or b'')
|
|
|
if self.help and self.help.startswith(b"hg " + cmd):
|
|
|
# drop prefix in old-style help lines so hg shows the alias
|
|
|
self.help = self.help[4 + len(cmd) :]
|
|
|
|
|
|
self.owndoc = b'doc' in cfg
|
|
|
doc = cfg.get(b'doc', pycompat.getdoc(fn))
|
|
|
if doc is not None:
|
|
|
doc = pycompat.sysstr(doc)
|
|
|
self.__doc__ = doc
|
|
|
|
|
|
self.helpcategory = cfg.get(
|
|
|
b'category', registrar.command.CATEGORY_NONE
|
|
|
)
|
|
|
|
|
|
@property
|
|
|
def args(self):
|
|
|
args = pycompat.maplist(util.expandpath, self.givenargs)
|
|
|
return aliasargs(self.fn, args)
|
|
|
|
|
|
def __getattr__(self, name):
|
|
|
adefaults = {
|
|
|
'norepo': True,
|
|
|
'intents': set(),
|
|
|
'optionalrepo': False,
|
|
|
'inferrepo': False,
|
|
|
}
|
|
|
if name not in adefaults:
|
|
|
raise AttributeError(name)
|
|
|
if self.badalias or util.safehasattr(self, b'shell'):
|
|
|
return adefaults[name]
|
|
|
return getattr(self.fn, name)
|
|
|
|
|
|
def __call__(self, ui, *args, **opts):
|
|
|
if self.badalias:
|
|
|
hint = None
|
|
|
if self.unknowncmd:
|
|
|
try:
|
|
|
# check if the command is in a disabled extension
|
|
|
cmd, ext = extensions.disabledcmd(ui, self.cmdname)[:2]
|
|
|
hint = _(b"'%s' is provided by '%s' extension") % (cmd, ext)
|
|
|
except error.UnknownCommand:
|
|
|
pass
|
|
|
raise error.Abort(self.badalias, hint=hint)
|
|
|
if self.shadows:
|
|
|
ui.debug(
|
|
|
b"alias '%s' shadows command '%s'\n" % (self.name, self.cmdname)
|
|
|
)
|
|
|
|
|
|
ui.log(
|
|
|
b'commandalias',
|
|
|
b"alias '%s' expands to '%s'\n",
|
|
|
self.name,
|
|
|
self.definition,
|
|
|
)
|
|
|
if util.safehasattr(self, b'shell'):
|
|
|
return self.fn(ui, *args, **opts)
|
|
|
else:
|
|
|
try:
|
|
|
return util.checksignature(self.fn)(ui, *args, **opts)
|
|
|
except error.SignatureError:
|
|
|
args = b' '.join([self.cmdname] + self.args)
|
|
|
ui.debug(b"alias '%s' expands to '%s'\n" % (self.name, args))
|
|
|
raise
|
|
|
|
|
|
|
|
|
class lazyaliasentry(object):
|
|
|
"""like a typical command entry (func, opts, help), but is lazy"""
|
|
|
|
|
|
def __init__(self, ui, name, definition, cmdtable, source):
|
|
|
self.ui = ui
|
|
|
self.name = name
|
|
|
self.definition = definition
|
|
|
self.cmdtable = cmdtable.copy()
|
|
|
self.source = source
|
|
|
self.alias = True
|
|
|
|
|
|
@util.propertycache
|
|
|
def _aliasdef(self):
|
|
|
return cmdalias(
|
|
|
self.ui, self.name, self.definition, self.cmdtable, self.source
|
|
|
)
|
|
|
|
|
|
def __getitem__(self, n):
|
|
|
aliasdef = self._aliasdef
|
|
|
if n == 0:
|
|
|
return aliasdef
|
|
|
elif n == 1:
|
|
|
return aliasdef.opts
|
|
|
elif n == 2:
|
|
|
return aliasdef.help
|
|
|
else:
|
|
|
raise IndexError
|
|
|
|
|
|
def __iter__(self):
|
|
|
for i in range(3):
|
|
|
yield self[i]
|
|
|
|
|
|
def __len__(self):
|
|
|
return 3
|
|
|
|
|
|
|
|
|
def addaliases(ui, cmdtable):
|
|
|
# aliases are processed after extensions have been loaded, so they
|
|
|
# may use extension commands. Aliases can also use other alias definitions,
|
|
|
# but only if they have been defined prior to the current definition.
|
|
|
for alias, definition in ui.configitems(b'alias', ignoresub=True):
|
|
|
try:
|
|
|
if cmdtable[alias].definition == definition:
|
|
|
continue
|
|
|
except (KeyError, AttributeError):
|
|
|
# definition might not exist or it might not be a cmdalias
|
|
|
pass
|
|
|
|
|
|
source = ui.configsource(b'alias', alias)
|
|
|
entry = lazyaliasentry(ui, alias, definition, cmdtable, source)
|
|
|
cmdtable[alias] = entry
|
|
|
|
|
|
|
|
|
def _parse(ui, args):
|
|
|
options = {}
|
|
|
cmdoptions = {}
|
|
|
|
|
|
try:
|
|
|
args = fancyopts.fancyopts(args, commands.globalopts, options)
|
|
|
except getopt.GetoptError as inst:
|
|
|
raise error.CommandError(None, stringutil.forcebytestr(inst))
|
|
|
|
|
|
if args:
|
|
|
cmd, args = args[0], args[1:]
|
|
|
aliases, entry = cmdutil.findcmd(
|
|
|
cmd, commands.table, ui.configbool(b"ui", b"strict")
|
|
|
)
|
|
|
cmd = aliases[0]
|
|
|
args = aliasargs(entry[0], args)
|
|
|
defaults = ui.config(b"defaults", cmd)
|
|
|
if defaults:
|
|
|
args = (
|
|
|
pycompat.maplist(util.expandpath, pycompat.shlexsplit(defaults))
|
|
|
+ args
|
|
|
)
|
|
|
c = list(entry[1])
|
|
|
else:
|
|
|
cmd = None
|
|
|
c = []
|
|
|
|
|
|
# combine global options into local
|
|
|
for o in commands.globalopts:
|
|
|
c.append((o[0], o[1], options[o[1]], o[3]))
|
|
|
|
|
|
try:
|
|
|
args = fancyopts.fancyopts(args, c, cmdoptions, gnu=True)
|
|
|
except getopt.GetoptError as inst:
|
|
|
raise error.CommandError(cmd, stringutil.forcebytestr(inst))
|
|
|
|
|
|
# separate global options back out
|
|
|
for o in commands.globalopts:
|
|
|
n = o[1]
|
|
|
options[n] = cmdoptions[n]
|
|
|
del cmdoptions[n]
|
|
|
|
|
|
return (cmd, cmd and entry[0] or None, args, options, cmdoptions)
|
|
|
|
|
|
|
|
|
def _parseconfig(ui, config):
|
|
|
"""parse the --config options from the command line"""
|
|
|
configs = []
|
|
|
|
|
|
for cfg in config:
|
|
|
try:
|
|
|
name, value = [cfgelem.strip() for cfgelem in cfg.split(b'=', 1)]
|
|
|
section, name = name.split(b'.', 1)
|
|
|
if not section or not name:
|
|
|
raise IndexError
|
|
|
ui.setconfig(section, name, value, b'--config')
|
|
|
configs.append((section, name, value))
|
|
|
except (IndexError, ValueError):
|
|
|
raise error.Abort(
|
|
|
_(
|
|
|
b'malformed --config option: %r '
|
|
|
b'(use --config section.name=value)'
|
|
|
)
|
|
|
% pycompat.bytestr(cfg)
|
|
|
)
|
|
|
|
|
|
return configs
|
|
|
|
|
|
|
|
|
def _earlyparseopts(ui, args):
|
|
|
options = {}
|
|
|
fancyopts.fancyopts(
|
|
|
args,
|
|
|
commands.globalopts,
|
|
|
options,
|
|
|
gnu=not ui.plain(b'strictflags'),
|
|
|
early=True,
|
|
|
optaliases={b'repository': [b'repo']},
|
|
|
)
|
|
|
return options
|
|
|
|
|
|
|
|
|
def _earlysplitopts(args):
|
|
|
"""Split args into a list of possible early options and remainder args"""
|
|
|
shortoptions = b'R:'
|
|
|
# TODO: perhaps 'debugger' should be included
|
|
|
longoptions = [b'cwd=', b'repository=', b'repo=', b'config=']
|
|
|
return fancyopts.earlygetopt(
|
|
|
args, shortoptions, longoptions, gnu=True, keepsep=True
|
|
|
)
|
|
|
|
|
|
|
|
|
def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions):
|
|
|
# run pre-hook, and abort if it fails
|
|
|
hook.hook(
|
|
|
lui,
|
|
|
repo,
|
|
|
b"pre-%s" % cmd,
|
|
|
True,
|
|
|
args=b" ".join(fullargs),
|
|
|
pats=cmdpats,
|
|
|
opts=cmdoptions,
|
|
|
)
|
|
|
try:
|
|
|
ret = _runcommand(ui, options, cmd, d)
|
|
|
# run post-hook, passing command result
|
|
|
hook.hook(
|
|
|
lui,
|
|
|
repo,
|
|
|
b"post-%s" % cmd,
|
|
|
False,
|
|
|
args=b" ".join(fullargs),
|
|
|
result=ret,
|
|
|
pats=cmdpats,
|
|
|
opts=cmdoptions,
|
|
|
)
|
|
|
except Exception:
|
|
|
# run failure hook and re-raise
|
|
|
hook.hook(
|
|
|
lui,
|
|
|
repo,
|
|
|
b"fail-%s" % cmd,
|
|
|
False,
|
|
|
args=b" ".join(fullargs),
|
|
|
pats=cmdpats,
|
|
|
opts=cmdoptions,
|
|
|
)
|
|
|
raise
|
|
|
return ret
|
|
|
|
|
|
|
|
|
def _getlocal(ui, rpath, wd=None):
|
|
|
"""Return (path, local ui object) for the given target path.
|
|
|
|
|
|
Takes paths in [cwd]/.hg/hgrc into account."
|
|
|
"""
|
|
|
if wd is None:
|
|
|
try:
|
|
|
wd = encoding.getcwd()
|
|
|
except OSError as e:
|
|
|
raise error.Abort(
|
|
|
_(b"error getting current working directory: %s")
|
|
|
% encoding.strtolocal(e.strerror)
|
|
|
)
|
|
|
|
|
|
path = cmdutil.findrepo(wd) or b""
|
|
|
if not path:
|
|
|
lui = ui
|
|
|
else:
|
|
|
lui = ui.copy()
|
|
|
if rcutil.use_repo_hgrc():
|
|
|
lui.readconfig(os.path.join(path, b".hg", b"hgrc"), path)
|
|
|
|
|
|
if rpath:
|
|
|
path = lui.expandpath(rpath)
|
|
|
lui = ui.copy()
|
|
|
if rcutil.use_repo_hgrc():
|
|
|
lui.readconfig(os.path.join(path, b".hg", b"hgrc"), path)
|
|
|
|
|
|
return path, lui
|
|
|
|
|
|
|
|
|
def _checkshellalias(lui, ui, args):
|
|
|
"""Return the function to run the shell alias, if it is required"""
|
|
|
options = {}
|
|
|
|
|
|
try:
|
|
|
args = fancyopts.fancyopts(args, commands.globalopts, options)
|
|
|
except getopt.GetoptError:
|
|
|
return
|
|
|
|
|
|
if not args:
|
|
|
return
|
|
|
|
|
|
cmdtable = commands.table
|
|
|
|
|
|
cmd = args[0]
|
|
|
try:
|
|
|
strict = ui.configbool(b"ui", b"strict")
|
|
|
aliases, entry = cmdutil.findcmd(cmd, cmdtable, strict)
|
|
|
except (error.AmbiguousCommand, error.UnknownCommand):
|
|
|
return
|
|
|
|
|
|
cmd = aliases[0]
|
|
|
fn = entry[0]
|
|
|
|
|
|
if cmd and util.safehasattr(fn, b'shell'):
|
|
|
# shell alias shouldn't receive early options which are consumed by hg
|
|
|
_earlyopts, args = _earlysplitopts(args)
|
|
|
d = lambda: fn(ui, *args[1:])
|
|
|
return lambda: runcommand(
|
|
|
lui, None, cmd, args[:1], ui, options, d, [], {}
|
|
|
)
|
|
|
|
|
|
|
|
|
def _dispatch(req):
|
|
|
args = req.args
|
|
|
ui = req.ui
|
|
|
|
|
|
# check for cwd
|
|
|
cwd = req.earlyoptions[b'cwd']
|
|
|
if cwd:
|
|
|
os.chdir(cwd)
|
|
|
|
|
|
rpath = req.earlyoptions[b'repository']
|
|
|
path, lui = _getlocal(ui, rpath)
|
|
|
|
|
|
uis = {ui, lui}
|
|
|
|
|
|
if req.repo:
|
|
|
uis.add(req.repo.ui)
|
|
|
|
|
|
if (
|
|
|
req.earlyoptions[b'verbose']
|
|
|
or req.earlyoptions[b'debug']
|
|
|
or req.earlyoptions[b'quiet']
|
|
|
):
|
|
|
for opt in (b'verbose', b'debug', b'quiet'):
|
|
|
val = pycompat.bytestr(bool(req.earlyoptions[opt]))
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig(b'ui', opt, val, b'--' + opt)
|
|
|
|
|
|
if req.earlyoptions[b'profile']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig(b'profiling', b'enabled', b'true', b'--profile')
|
|
|
|
|
|
profile = lui.configbool(b'profiling', b'enabled')
|
|
|
with profiling.profile(lui, enabled=profile) as profiler:
|
|
|
# Configure extensions in phases: uisetup, extsetup, cmdtable, and
|
|
|
# reposetup
|
|
|
extensions.loadall(lui)
|
|
|
# Propagate any changes to lui.__class__ by extensions
|
|
|
ui.__class__ = lui.__class__
|
|
|
|
|
|
# (uisetup and extsetup are handled in extensions.loadall)
|
|
|
|
|
|
# (reposetup is handled in hg.repository)
|
|
|
|
|
|
addaliases(lui, commands.table)
|
|
|
|
|
|
# All aliases and commands are completely defined, now.
|
|
|
# Check abbreviation/ambiguity of shell alias.
|
|
|
shellaliasfn = _checkshellalias(lui, ui, args)
|
|
|
if shellaliasfn:
|
|
|
# no additional configs will be set, set up the ui instances
|
|
|
for ui_ in uis:
|
|
|
extensions.populateui(ui_)
|
|
|
return shellaliasfn()
|
|
|
|
|
|
# check for fallback encoding
|
|
|
fallback = lui.config(b'ui', b'fallbackencoding')
|
|
|
if fallback:
|
|
|
encoding.fallbackencoding = fallback
|
|
|
|
|
|
fullargs = args
|
|
|
cmd, func, args, options, cmdoptions = _parse(lui, args)
|
|
|
|
|
|
# store the canonical command name in request object for later access
|
|
|
req.canonical_command = cmd
|
|
|
|
|
|
if options[b"config"] != req.earlyoptions[b"config"]:
|
|
|
raise error.Abort(_(b"option --config may not be abbreviated!"))
|
|
|
if options[b"cwd"] != req.earlyoptions[b"cwd"]:
|
|
|
raise error.Abort(_(b"option --cwd may not be abbreviated!"))
|
|
|
if options[b"repository"] != req.earlyoptions[b"repository"]:
|
|
|
raise error.Abort(
|
|
|
_(
|
|
|
b"option -R has to be separated from other options (e.g. not "
|
|
|
b"-qR) and --repository may only be abbreviated as --repo!"
|
|
|
)
|
|
|
)
|
|
|
if options[b"debugger"] != req.earlyoptions[b"debugger"]:
|
|
|
raise error.Abort(_(b"option --debugger may not be abbreviated!"))
|
|
|
# don't validate --profile/--traceback, which can be enabled from now
|
|
|
|
|
|
if options[b"encoding"]:
|
|
|
encoding.encoding = options[b"encoding"]
|
|
|
if options[b"encodingmode"]:
|
|
|
encoding.encodingmode = options[b"encodingmode"]
|
|
|
if options[b"time"]:
|
|
|
|
|
|
def get_times():
|
|
|
t = os.times()
|
|
|
if t[4] == 0.0:
|
|
|
# Windows leaves this as zero, so use time.perf_counter()
|
|
|
t = (t[0], t[1], t[2], t[3], util.timer())
|
|
|
return t
|
|
|
|
|
|
s = get_times()
|
|
|
|
|
|
def print_time():
|
|
|
t = get_times()
|
|
|
ui.warn(
|
|
|
_(b"time: real %.3f secs (user %.3f+%.3f sys %.3f+%.3f)\n")
|
|
|
% (
|
|
|
t[4] - s[4],
|
|
|
t[0] - s[0],
|
|
|
t[2] - s[2],
|
|
|
t[1] - s[1],
|
|
|
t[3] - s[3],
|
|
|
)
|
|
|
)
|
|
|
|
|
|
ui.atexit(print_time)
|
|
|
if options[b"profile"]:
|
|
|
profiler.start()
|
|
|
|
|
|
# if abbreviated version of this were used, take them in account, now
|
|
|
if options[b'verbose'] or options[b'debug'] or options[b'quiet']:
|
|
|
for opt in (b'verbose', b'debug', b'quiet'):
|
|
|
if options[opt] == req.earlyoptions[opt]:
|
|
|
continue
|
|
|
val = pycompat.bytestr(bool(options[opt]))
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig(b'ui', opt, val, b'--' + opt)
|
|
|
|
|
|
if options[b'traceback']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig(b'ui', b'traceback', b'on', b'--traceback')
|
|
|
|
|
|
if options[b'noninteractive']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig(b'ui', b'interactive', b'off', b'-y')
|
|
|
|
|
|
if cmdoptions.get(b'insecure', False):
|
|
|
for ui_ in uis:
|
|
|
ui_.insecureconnections = True
|
|
|
|
|
|
# setup color handling before pager, because setting up pager
|
|
|
# might cause incorrect console information
|
|
|
coloropt = options[b'color']
|
|
|
for ui_ in uis:
|
|
|
if coloropt:
|
|
|
ui_.setconfig(b'ui', b'color', coloropt, b'--color')
|
|
|
color.setup(ui_)
|
|
|
|
|
|
if stringutil.parsebool(options[b'pager']):
|
|
|
# ui.pager() expects 'internal-always-' prefix in this case
|
|
|
ui.pager(b'internal-always-' + cmd)
|
|
|
elif options[b'pager'] != b'auto':
|
|
|
for ui_ in uis:
|
|
|
ui_.disablepager()
|
|
|
|
|
|
# configs are fully loaded, set up the ui instances
|
|
|
for ui_ in uis:
|
|
|
extensions.populateui(ui_)
|
|
|
|
|
|
if options[b'version']:
|
|
|
return commands.version_(ui)
|
|
|
if options[b'help']:
|
|
|
return commands.help_(ui, cmd, command=cmd is not None)
|
|
|
elif not cmd:
|
|
|
return commands.help_(ui, b'shortlist')
|
|
|
|
|
|
repo = None
|
|
|
cmdpats = args[:]
|
|
|
assert func is not None # help out pytype
|
|
|
if not func.norepo:
|
|
|
# use the repo from the request only if we don't have -R
|
|
|
if not rpath and not cwd:
|
|
|
repo = req.repo
|
|
|
|
|
|
if repo:
|
|
|
# set the descriptors of the repo ui to those of ui
|
|
|
repo.ui.fin = ui.fin
|
|
|
repo.ui.fout = ui.fout
|
|
|
repo.ui.ferr = ui.ferr
|
|
|
repo.ui.fmsg = ui.fmsg
|
|
|
else:
|
|
|
try:
|
|
|
repo = hg.repository(
|
|
|
ui,
|
|
|
path=path,
|
|
|
presetupfuncs=req.prereposetups,
|
|
|
intents=func.intents,
|
|
|
)
|
|
|
if not repo.local():
|
|
|
raise error.Abort(
|
|
|
_(b"repository '%s' is not local") % path
|
|
|
)
|
|
|
repo.ui.setconfig(
|
|
|
b"bundle", b"mainreporoot", repo.root, b'repo'
|
|
|
)
|
|
|
except error.RequirementError:
|
|
|
raise
|
|
|
except error.RepoError:
|
|
|
if rpath: # invalid -R path
|
|
|
raise
|
|
|
if not func.optionalrepo:
|
|
|
if func.inferrepo and args and not path:
|
|
|
# try to infer -R from command args
|
|
|
repos = pycompat.maplist(cmdutil.findrepo, args)
|
|
|
guess = repos[0]
|
|
|
if guess and repos.count(guess) == len(repos):
|
|
|
req.args = [b'--repository', guess] + fullargs
|
|
|
req.earlyoptions[b'repository'] = guess
|
|
|
return _dispatch(req)
|
|
|
if not path:
|
|
|
raise error.RepoError(
|
|
|
_(
|
|
|
b"no repository found in"
|
|
|
b" '%s' (.hg not found)"
|
|
|
)
|
|
|
% encoding.getcwd()
|
|
|
)
|
|
|
raise
|
|
|
if repo:
|
|
|
ui = repo.ui
|
|
|
if options[b'hidden']:
|
|
|
repo = repo.unfiltered()
|
|
|
args.insert(0, repo)
|
|
|
elif rpath:
|
|
|
ui.warn(_(b"warning: --repository ignored\n"))
|
|
|
|
|
|
msg = _formatargs(fullargs)
|
|
|
ui.log(b"command", b'%s\n', msg)
|
|
|
strcmdopt = pycompat.strkwargs(cmdoptions)
|
|
|
d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)
|
|
|
try:
|
|
|
return runcommand(
|
|
|
lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions
|
|
|
)
|
|
|
finally:
|
|
|
if repo and repo != req.repo:
|
|
|
repo.close()
|
|
|
|
|
|
|
|
|
def _runcommand(ui, options, cmd, cmdfunc):
|
|
|
"""Run a command function, possibly with profiling enabled."""
|
|
|
try:
|
|
|
with tracing.log("Running %s command" % cmd):
|
|
|
return cmdfunc()
|
|
|
except error.SignatureError:
|
|
|
raise error.CommandError(cmd, _(b'invalid arguments'))
|
|
|
|
|
|
|
|
|
def _exceptionwarning(ui):
|
|
|
"""Produce a warning message for the current active exception"""
|
|
|
|
|
|
# For compatibility checking, we discard the portion of the hg
|
|
|
# version after the + on the assumption that if a "normal
|
|
|
# user" is running a build with a + in it the packager
|
|
|
# probably built from fairly close to a tag and anyone with a
|
|
|
# 'make local' copy of hg (where the version number can be out
|
|
|
# of date) will be clueful enough to notice the implausible
|
|
|
# version number and try updating.
|
|
|
ct = util.versiontuple(n=2)
|
|
|
worst = None, ct, b''
|
|
|
if ui.config(b'ui', b'supportcontact') is None:
|
|
|
for name, mod in extensions.extensions():
|
|
|
# 'testedwith' should be bytes, but not all extensions are ported
|
|
|
# to py3 and we don't want UnicodeException because of that.
|
|
|
testedwith = stringutil.forcebytestr(
|
|
|
getattr(mod, 'testedwith', b'')
|
|
|
)
|
|
|
report = getattr(mod, 'buglink', _(b'the extension author.'))
|
|
|
if not testedwith.strip():
|
|
|
# We found an untested extension. It's likely the culprit.
|
|
|
worst = name, b'unknown', report
|
|
|
break
|
|
|
|
|
|
# Never blame on extensions bundled with Mercurial.
|
|
|
if extensions.ismoduleinternal(mod):
|
|
|
continue
|
|
|
|
|
|
tested = [util.versiontuple(t, 2) for t in testedwith.split()]
|
|
|
if ct in tested:
|
|
|
continue
|
|
|
|
|
|
lower = [t for t in tested if t < ct]
|
|
|
nearest = max(lower or tested)
|
|
|
if worst[0] is None or nearest < worst[1]:
|
|
|
worst = name, nearest, report
|
|
|
if worst[0] is not None:
|
|
|
name, testedwith, report = worst
|
|
|
if not isinstance(testedwith, (bytes, str)):
|
|
|
testedwith = b'.'.join(
|
|
|
[stringutil.forcebytestr(c) for c in testedwith]
|
|
|
)
|
|
|
warning = _(
|
|
|
b'** Unknown exception encountered with '
|
|
|
b'possibly-broken third-party extension %s\n'
|
|
|
b'** which supports versions %s of Mercurial.\n'
|
|
|
b'** Please disable %s and try your action again.\n'
|
|
|
b'** If that fixes the bug please report it to %s\n'
|
|
|
) % (name, testedwith, name, stringutil.forcebytestr(report))
|
|
|
else:
|
|
|
bugtracker = ui.config(b'ui', b'supportcontact')
|
|
|
if bugtracker is None:
|
|
|
bugtracker = _(b"https://mercurial-scm.org/wiki/BugTracker")
|
|
|
warning = (
|
|
|
_(
|
|
|
b"** unknown exception encountered, "
|
|
|
b"please report by visiting\n** "
|
|
|
)
|
|
|
+ bugtracker
|
|
|
+ b'\n'
|
|
|
)
|
|
|
sysversion = pycompat.sysbytes(sys.version).replace(b'\n', b'')
|
|
|
warning += (
|
|
|
(_(b"** Python %s\n") % sysversion)
|
|
|
+ (_(b"** Mercurial Distributed SCM (version %s)\n") % util.version())
|
|
|
+ (
|
|
|
_(b"** Extensions loaded: %s\n")
|
|
|
% b", ".join([x[0] for x in extensions.extensions()])
|
|
|
)
|
|
|
)
|
|
|
return warning
|
|
|
|
|
|
|
|
|
def handlecommandexception(ui):
|
|
|
"""Produce a warning message for broken commands
|
|
|
|
|
|
Called when handling an exception; the exception is reraised if
|
|
|
this function returns False, ignored otherwise.
|
|
|
"""
|
|
|
warning = _exceptionwarning(ui)
|
|
|
ui.log(
|
|
|
b"commandexception",
|
|
|
b"%s\n%s\n",
|
|
|
warning,
|
|
|
pycompat.sysbytes(traceback.format_exc()),
|
|
|
)
|
|
|
ui.warn(warning)
|
|
|
return False # re-raise the exception
|
|
|
|
