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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 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 time
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import traceback
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from .i18n import _
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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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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__(self, args, ui=None, repo=None, fin=None, fout=None,
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ferr=None, prereposetups=None):
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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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# 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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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.warn(('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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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, 'fout'):
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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, 'ferr'):
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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('abort: %s\n' %
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encoding.strtolocal(err.strerror))
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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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sys.exit(status & 255)
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if pycompat.ispy3:
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def initstdio():
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pass
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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(_("(did you mean %s?)\n") % similar[0])
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elif similar:
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ss = ", ".join(sorted(similar))
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write(_("(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(_("hg: parse error at %s: %s\n") %
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(pycompat.bytestr(inst.args[1]), inst.args[0]))
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if inst.args[0].startswith(' '):
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write(_("unexpected leading whitespace\n"))
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else:
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write(_("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(_("(%s)\n") % inst.hint)
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def _formatargs(args):
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return ' '.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['traceback']:
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req.ui.setconfig('ui', 'traceback', 'on', '--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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except error.Abort as inst:
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ferr.write(_("abort: %s\n") % inst)
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if inst.hint:
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ferr.write(_("(%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(_('** ProgrammingError: %s\n') % inst)
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if inst.hint:
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req.ui.error(_('** (%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 = _("killed!\n")
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else:
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msg = _("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()
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if req.ui.logblockedtimes:
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req.ui._blockedtimes['command_duration'] = duration * 1000
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req.ui.log('uiblocked', 'ui blocked ms',
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**pycompat.strkwargs(req.ui._blockedtimes))
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req.ui.log("commandfinish", "%s exited %d after %0.2f seconds\n",
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msg, ret & 255, duration)
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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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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 'SIGBREAK', 'SIGHUP', '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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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 (error.UnknownCommand, error.AmbiguousCommand,
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IndexError, getopt.GetoptError):
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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 == 'serve' and '--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 (len(req.args) != 4 or
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req.args[0] != '-R' or
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req.args[1].startswith('--') or
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req.args[2] != 'serve' or
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req.args[3] != '--stdio'):
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raise error.Abort(
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_('potentially unsafe serve --stdio invocation: %s') %
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(stringutil.pprint(req.args),))
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try:
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debugger = 'pdb'
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debugtrace = {
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'pdb': pdb.set_trace
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}
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debugmortem = {
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'pdb': pdb.post_mortem
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}
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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['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(sec, name, val, source='--config')
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# developer config: ui.debugger
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debugger = ui.config("ui", "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 = 'pdb'
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elif req.earlyoptions['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['debugger']:
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ui.warn(_("entering debugger - "
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"type c to continue starting hg or h for help\n"))
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if (debugger != 'pdb' and
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debugtrace[debugger] == debugtrace['pdb']):
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ui.warn(_("%s debugger specified "
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"but its module was not found\n") % debugger)
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with demandimport.deactivated():
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debugtrace[debugger]()
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try:
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return _dispatch(req)
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finally:
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ui.flush()
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except: # re-raises
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# enter the debugger when we hit an exception
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if req.earlyoptions['debugger']:
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traceback.print_exc()
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debugmortem[debugger](sys.exc_info()[2])
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raise
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return _callcatch(ui, _runcatchfunc)
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def _callcatch(ui, func):
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"""like scmutil.callcatch but handles more high-level exceptions about
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config parsing and commands. besides, use handlecommandexception to handle
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uncaught exceptions.
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"""
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try:
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return scmutil.callcatch(ui, func)
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except error.AmbiguousCommand as inst:
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ui.warn(_("hg: command '%s' is ambiguous:\n %s\n") %
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(inst.args[0], " ".join(inst.args[1])))
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except error.CommandError as inst:
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if inst.args[0]:
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ui.pager('help')
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msgbytes = pycompat.bytestr(inst.args[1])
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ui.warn(_("hg %s: %s\n") % (inst.args[0], msgbytes))
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commands.help_(ui, inst.args[0], full=False, command=True)
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else:
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ui.warn(_("hg: %s\n") % inst.args[1])
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ui.warn(_("(use 'hg help -v' for a list of global options)\n"))
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except error.ParseError as inst:
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_formatparse(ui.warn, inst)
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return -1
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except error.UnknownCommand as inst:
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nocmdmsg = _("hg: unknown command '%s'\n") % inst.args[0]
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try:
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# check if the command is in a disabled extension
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# (but don't check for extensions themselves)
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formatted = help.formattedhelp(ui, commands, inst.args[0],
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unknowncmd=True)
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ui.warn(nocmdmsg)
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ui.write(formatted)
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except (error.UnknownCommand, error.Abort):
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suggested = False
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if len(inst.args) == 2:
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sim = _getsimilar(inst.args[1], inst.args[0])
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if sim:
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ui.warn(nocmdmsg)
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_reportsimilar(ui.warn, sim)
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suggested = True
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if not suggested:
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ui.warn(nocmdmsg)
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ui.warn(_("(use 'hg help' for a list of commands)\n"))
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except IOError:
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raise
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except KeyboardInterrupt:
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raise
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except: # probably re-raises
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if not handlecommandexception(ui):
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raise
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return -1
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def aliasargs(fn, givenargs):
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args = []
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# only care about alias 'args', ignore 'args' set by extensions.wrapfunction
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if not util.safehasattr(fn, '_origfunc'):
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args = getattr(fn, 'args', args)
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if args:
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cmd = ' '.join(map(procutil.shellquote, args))
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nums = []
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def replacer(m):
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num = int(m.group(1)) - 1
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nums.append(num)
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if num < len(givenargs):
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return givenargs[num]
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raise error.Abort(_('too few arguments for command alias'))
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cmd = re.sub(br'\$(\d+|\$)', replacer, cmd)
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givenargs = [x for i, x in enumerate(givenargs)
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if i not in nums]
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args = pycompat.shlexsplit(cmd)
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return args + givenargs
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def aliasinterpolate(name, args, cmd):
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'''interpolate args into cmd for shell aliases
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This also handles $0, $@ and "$@".
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'''
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# util.interpolate can't deal with "$@" (with quotes) because it's only
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# built to match prefix + patterns.
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replacemap = dict(('$%d' % (i + 1), arg) for i, arg in enumerate(args))
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|
|
replacemap['$0'] = name
|
|
|
replacemap['$$'] = '$'
|
|
|
replacemap['$@'] = ' '.join(args)
|
|
|
# Typical Unix shells interpolate "$@" (with quotes) as all the positional
|
|
|
# parameters, separated out into words. Emulate the same behavior here by
|
|
|
# quoting the arguments individually. POSIX shells will then typically
|
|
|
# tokenize each argument into exactly one word.
|
|
|
replacemap['"$@"'] = ' '.join(procutil.shellquote(arg) for arg in args)
|
|
|
# escape '\$' for regex
|
|
|
regex = '|'.join(replacemap.keys()).replace('$', br'\$')
|
|
|
r = re.compile(regex)
|
|
|
return r.sub(lambda x: replacemap[x.group()], cmd)
|
|
|
|
|
|
class cmdalias(object):
|
|
|
def __init__(self, ui, name, definition, cmdtable, source):
|
|
|
self.name = self.cmd = name
|
|
|
self.cmdname = ''
|
|
|
self.definition = definition
|
|
|
self.fn = None
|
|
|
self.givenargs = []
|
|
|
self.opts = []
|
|
|
self.help = ''
|
|
|
self.badalias = None
|
|
|
self.unknowncmd = False
|
|
|
self.source = source
|
|
|
|
|
|
try:
|
|
|
aliases, entry = cmdutil.findcmd(self.name, cmdtable)
|
|
|
for alias, e in cmdtable.iteritems():
|
|
|
if e is entry:
|
|
|
self.cmd = alias
|
|
|
break
|
|
|
self.shadows = True
|
|
|
except error.UnknownCommand:
|
|
|
self.shadows = False
|
|
|
|
|
|
if not self.definition:
|
|
|
self.badalias = _("no definition for alias '%s'") % self.name
|
|
|
return
|
|
|
|
|
|
if self.definition.startswith('!'):
|
|
|
shdef = self.definition[1:]
|
|
|
self.shell = True
|
|
|
def fn(ui, *args):
|
|
|
env = {'HG_ARGS': ' '.join((self.name,) + args)}
|
|
|
def _checkvar(m):
|
|
|
if m.groups()[0] == '$':
|
|
|
return m.group()
|
|
|
elif int(m.groups()[0]) <= len(args):
|
|
|
return m.group()
|
|
|
else:
|
|
|
ui.debug("No argument found for substitution "
|
|
|
"of %i variable in alias '%s' definition.\n"
|
|
|
% (int(m.groups()[0]), self.name))
|
|
|
return ''
|
|
|
cmd = re.sub(br'\$(\d+|\$)', _checkvar, shdef)
|
|
|
cmd = aliasinterpolate(self.name, args, cmd)
|
|
|
return ui.system(cmd, environ=env,
|
|
|
blockedtag='alias_%s' % self.name)
|
|
|
self.fn = fn
|
|
|
self._populatehelp(ui, name, shdef, self.fn)
|
|
|
return
|
|
|
|
|
|
try:
|
|
|
args = pycompat.shlexsplit(self.definition)
|
|
|
except ValueError as inst:
|
|
|
self.badalias = (_("error in definition for alias '%s': %s")
|
|
|
% (self.name, stringutil.forcebytestr(inst)))
|
|
|
return
|
|
|
earlyopts, args = _earlysplitopts(args)
|
|
|
if earlyopts:
|
|
|
self.badalias = (_("error in definition for alias '%s': %s may "
|
|
|
"only be given on the command line")
|
|
|
% (self.name, '/'.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._populatehelp(ui, name, cmd, self.fn, cmdhelp)
|
|
|
|
|
|
except error.UnknownCommand:
|
|
|
self.badalias = (_("alias '%s' resolves to unknown command '%s'")
|
|
|
% (self.name, cmd))
|
|
|
self.unknowncmd = True
|
|
|
except error.AmbiguousCommand:
|
|
|
self.badalias = (_("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 ('doc', 'help'):
|
|
|
v = ui.config('alias', '%s:%s' % (name, k), None)
|
|
|
if v is None:
|
|
|
continue
|
|
|
if not encoding.isasciistr(v):
|
|
|
self.badalias = (_("non-ASCII character in alias definition "
|
|
|
"'%s:%s'") % (name, k))
|
|
|
return
|
|
|
cfg[k] = v
|
|
|
|
|
|
self.help = cfg.get('help', defaulthelp or '')
|
|
|
if self.help and self.help.startswith("hg " + cmd):
|
|
|
# drop prefix in old-style help lines so hg shows the alias
|
|
|
self.help = self.help[4 + len(cmd):]
|
|
|
|
|
|
doc = cfg.get('doc', pycompat.getdoc(fn))
|
|
|
if doc is not None:
|
|
|
doc = pycompat.sysstr(doc)
|
|
|
self.__doc__ = doc
|
|
|
|
|
|
@property
|
|
|
def args(self):
|
|
|
args = pycompat.maplist(util.expandpath, self.givenargs)
|
|
|
return aliasargs(self.fn, args)
|
|
|
|
|
|
def __getattr__(self, name):
|
|
|
adefaults = {r'norepo': True, r'intents': set(),
|
|
|
r'optionalrepo': False, r'inferrepo': False}
|
|
|
if name not in adefaults:
|
|
|
raise AttributeError(name)
|
|
|
if self.badalias or util.safehasattr(self, '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 = _("'%s' is provided by '%s' extension") % (cmd, ext)
|
|
|
except error.UnknownCommand:
|
|
|
pass
|
|
|
raise error.Abort(self.badalias, hint=hint)
|
|
|
if self.shadows:
|
|
|
ui.debug("alias '%s' shadows command '%s'\n" %
|
|
|
(self.name, self.cmdname))
|
|
|
|
|
|
ui.log('commandalias', "alias '%s' expands to '%s'\n",
|
|
|
self.name, self.definition)
|
|
|
if util.safehasattr(self, 'shell'):
|
|
|
return self.fn(ui, *args, **opts)
|
|
|
else:
|
|
|
try:
|
|
|
return util.checksignature(self.fn)(ui, *args, **opts)
|
|
|
except error.SignatureError:
|
|
|
args = ' '.join([self.cmdname] + self.args)
|
|
|
ui.debug("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
|
|
|
|
|
|
@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('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('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("ui", "strict"))
|
|
|
cmd = aliases[0]
|
|
|
args = aliasargs(entry[0], args)
|
|
|
defaults = ui.config("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('=', 1)]
|
|
|
section, name = name.split('.', 1)
|
|
|
if not section or not name:
|
|
|
raise IndexError
|
|
|
ui.setconfig(section, name, value, '--config')
|
|
|
configs.append((section, name, value))
|
|
|
except (IndexError, ValueError):
|
|
|
raise error.Abort(_('malformed --config option: %r '
|
|
|
'(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('strictflags'), early=True,
|
|
|
optaliases={'repository': ['repo']})
|
|
|
return options
|
|
|
|
|
|
def _earlysplitopts(args):
|
|
|
"""Split args into a list of possible early options and remainder args"""
|
|
|
shortoptions = 'R:'
|
|
|
# TODO: perhaps 'debugger' should be included
|
|
|
longoptions = ['cwd=', 'repository=', 'repo=', '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, "pre-%s" % cmd, True, args=" ".join(fullargs),
|
|
|
pats=cmdpats, opts=cmdoptions)
|
|
|
try:
|
|
|
ret = _runcommand(ui, options, cmd, d)
|
|
|
# run post-hook, passing command result
|
|
|
hook.hook(lui, repo, "post-%s" % cmd, False, args=" ".join(fullargs),
|
|
|
result=ret, pats=cmdpats, opts=cmdoptions)
|
|
|
except Exception:
|
|
|
# run failure hook and re-raise
|
|
|
hook.hook(lui, repo, "fail-%s" % cmd, False, args=" ".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 = pycompat.getcwd()
|
|
|
except OSError as e:
|
|
|
raise error.Abort(_("error getting current working directory: %s") %
|
|
|
encoding.strtolocal(e.strerror))
|
|
|
path = cmdutil.findrepo(wd) or ""
|
|
|
if not path:
|
|
|
lui = ui
|
|
|
else:
|
|
|
lui = ui.copy()
|
|
|
lui.readconfig(os.path.join(path, ".hg", "hgrc"), path)
|
|
|
|
|
|
if rpath:
|
|
|
path = lui.expandpath(rpath)
|
|
|
lui = ui.copy()
|
|
|
lui.readconfig(os.path.join(path, ".hg", "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("ui", "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, '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['cwd']
|
|
|
if cwd:
|
|
|
os.chdir(cwd)
|
|
|
|
|
|
rpath = req.earlyoptions['repository']
|
|
|
path, lui = _getlocal(ui, rpath)
|
|
|
|
|
|
uis = {ui, lui}
|
|
|
|
|
|
if req.repo:
|
|
|
uis.add(req.repo.ui)
|
|
|
|
|
|
if (req.earlyoptions['verbose'] or req.earlyoptions['debug']
|
|
|
or req.earlyoptions['quiet']):
|
|
|
for opt in ('verbose', 'debug', 'quiet'):
|
|
|
val = pycompat.bytestr(bool(req.earlyoptions[opt]))
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig('ui', opt, val, '--' + opt)
|
|
|
|
|
|
if req.earlyoptions['profile']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig('profiling', 'enabled', 'true', '--profile')
|
|
|
|
|
|
profile = lui.configbool('profiling', '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:
|
|
|
return shellaliasfn()
|
|
|
|
|
|
# check for fallback encoding
|
|
|
fallback = lui.config('ui', 'fallbackencoding')
|
|
|
if fallback:
|
|
|
encoding.fallbackencoding = fallback
|
|
|
|
|
|
fullargs = args
|
|
|
cmd, func, args, options, cmdoptions = _parse(lui, args)
|
|
|
|
|
|
if options["config"] != req.earlyoptions["config"]:
|
|
|
raise error.Abort(_("option --config may not be abbreviated!"))
|
|
|
if options["cwd"] != req.earlyoptions["cwd"]:
|
|
|
raise error.Abort(_("option --cwd may not be abbreviated!"))
|
|
|
if options["repository"] != req.earlyoptions["repository"]:
|
|
|
raise error.Abort(_(
|
|
|
"option -R has to be separated from other options (e.g. not "
|
|
|
"-qR) and --repository may only be abbreviated as --repo!"))
|
|
|
if options["debugger"] != req.earlyoptions["debugger"]:
|
|
|
raise error.Abort(_("option --debugger may not be abbreviated!"))
|
|
|
# don't validate --profile/--traceback, which can be enabled from now
|
|
|
|
|
|
if options["encoding"]:
|
|
|
encoding.encoding = options["encoding"]
|
|
|
if options["encodingmode"]:
|
|
|
encoding.encodingmode = options["encodingmode"]
|
|
|
if options["time"]:
|
|
|
def get_times():
|
|
|
t = os.times()
|
|
|
if t[4] == 0.0:
|
|
|
# Windows leaves this as zero, so use time.clock()
|
|
|
t = (t[0], t[1], t[2], t[3], time.clock())
|
|
|
return t
|
|
|
s = get_times()
|
|
|
def print_time():
|
|
|
t = get_times()
|
|
|
ui.warn(
|
|
|
_("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["profile"]:
|
|
|
profiler.start()
|
|
|
|
|
|
# if abbreviated version of this were used, take them in account, now
|
|
|
if options['verbose'] or options['debug'] or options['quiet']:
|
|
|
for opt in ('verbose', 'debug', 'quiet'):
|
|
|
if options[opt] == req.earlyoptions[opt]:
|
|
|
continue
|
|
|
val = pycompat.bytestr(bool(options[opt]))
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig('ui', opt, val, '--' + opt)
|
|
|
|
|
|
if options['traceback']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig('ui', 'traceback', 'on', '--traceback')
|
|
|
|
|
|
if options['noninteractive']:
|
|
|
for ui_ in uis:
|
|
|
ui_.setconfig('ui', 'interactive', 'off', '-y')
|
|
|
|
|
|
if cmdoptions.get('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['color']
|
|
|
for ui_ in uis:
|
|
|
if coloropt:
|
|
|
ui_.setconfig('ui', 'color', coloropt, '--color')
|
|
|
color.setup(ui_)
|
|
|
|
|
|
if stringutil.parsebool(options['pager']):
|
|
|
# ui.pager() expects 'internal-always-' prefix in this case
|
|
|
ui.pager('internal-always-' + cmd)
|
|
|
elif options['pager'] != 'auto':
|
|
|
for ui_ in uis:
|
|
|
ui_.disablepager()
|
|
|
|
|
|
if options['version']:
|
|
|
return commands.version_(ui)
|
|
|
if options['help']:
|
|
|
return commands.help_(ui, cmd, command=cmd is not None)
|
|
|
elif not cmd:
|
|
|
return commands.help_(ui, 'shortlist')
|
|
|
|
|
|
repo = None
|
|
|
cmdpats = args[:]
|
|
|
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
|
|
|
else:
|
|
|
try:
|
|
|
repo = hg.repository(ui, path=path,
|
|
|
presetupfuncs=req.prereposetups,
|
|
|
intents=func.intents)
|
|
|
if not repo.local():
|
|
|
raise error.Abort(_("repository '%s' is not local")
|
|
|
% path)
|
|
|
repo.ui.setconfig("bundle", "mainreporoot", repo.root,
|
|
|
'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 = ['--repository', guess] + fullargs
|
|
|
req.earlyoptions['repository'] = guess
|
|
|
return _dispatch(req)
|
|
|
if not path:
|
|
|
raise error.RepoError(_("no repository found in"
|
|
|
" '%s' (.hg not found)")
|
|
|
% pycompat.getcwd())
|
|
|
raise
|
|
|
if repo:
|
|
|
ui = repo.ui
|
|
|
if options['hidden']:
|
|
|
repo = repo.unfiltered()
|
|
|
args.insert(0, repo)
|
|
|
elif rpath:
|
|
|
ui.warn(_("warning: --repository ignored\n"))
|
|
|
|
|
|
msg = _formatargs(fullargs)
|
|
|
ui.log("command", '%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, _('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, ''
|
|
|
if ui.config('ui', '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', ''))
|
|
|
report = getattr(mod, 'buglink', _('the extension author.'))
|
|
|
if not testedwith.strip():
|
|
|
# We found an untested extension. It's likely the culprit.
|
|
|
worst = name, '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 = '.'.join([stringutil.forcebytestr(c)
|
|
|
for c in testedwith])
|
|
|
warning = (_('** Unknown exception encountered with '
|
|
|
'possibly-broken third-party extension %s\n'
|
|
|
'** which supports versions %s of Mercurial.\n'
|
|
|
'** Please disable %s and try your action again.\n'
|
|
|
'** If that fixes the bug please report it to %s\n')
|
|
|
% (name, testedwith, name, stringutil.forcebytestr(report)))
|
|
|
else:
|
|
|
bugtracker = ui.config('ui', 'supportcontact')
|
|
|
if bugtracker is None:
|
|
|
bugtracker = _("https://mercurial-scm.org/wiki/BugTracker")
|
|
|
warning = (_("** unknown exception encountered, "
|
|
|
"please report by visiting\n** ") + bugtracker + '\n')
|
|
|
sysversion = pycompat.sysbytes(sys.version).replace('\n', '')
|
|
|
warning += ((_("** Python %s\n") % sysversion) +
|
|
|
(_("** Mercurial Distributed SCM (version %s)\n") %
|
|
|
util.version()) +
|
|
|
(_("** Extensions loaded: %s\n") %
|
|
|
", ".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("commandexception", "%s\n%s\n", warning,
|
|
|
pycompat.sysbytes(traceback.format_exc()))
|
|
|
ui.warn(warning)
|
|
|
return False # re-raise the exception
|
|
|
|
