Mercurial > hg
view mercurial/sshrepo.py @ 15621:013688350c7d
bookmarks: update and updatecurrentbookmark return status
This makes bookmarks.update() and bookmarks.updatecurrentbookmark() return
True or False to indicate whether the bookmark was updated or not. This allows
callers to e.g. abort if the update failed.
author | Kevin Bullock <kbullock@ringworld.org> |
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date | Wed, 16 Nov 2011 15:29:57 -0600 |
parents | d8fa35c28335 |
children | 86fc364ca5f8 |
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# sshrepo.py - ssh repository proxy class for mercurial # # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from i18n import _ import util, error, wireproto class remotelock(object): def __init__(self, repo): self.repo = repo def release(self): self.repo.unlock() self.repo = None def __del__(self): if self.repo: self.release() def _serverquote(s): '''quote a string for the remote shell ... which we assume is sh''' return "'%s'" % s.replace("'", "'\\''") class sshrepository(wireproto.wirerepository): def __init__(self, ui, path, create=False): self._url = path self.ui = ui u = util.url(path, parsequery=False, parsefragment=False) if u.scheme != 'ssh' or not u.host or u.path is None: self._abort(error.RepoError(_("couldn't parse location %s") % path)) self.user = u.user if u.passwd is not None: self._abort(error.RepoError(_("password in URL not supported"))) self.host = u.host self.port = u.port self.path = u.path or "." sshcmd = self.ui.config("ui", "ssh", "ssh") remotecmd = self.ui.config("ui", "remotecmd", "hg") args = util.sshargs(sshcmd, self.host, self.user, self.port) if create: cmd = '%s %s %s' % (sshcmd, args, util.shellquote("%s init %s" % (_serverquote(remotecmd), _serverquote(self.path)))) ui.note(_('running %s\n') % cmd) res = util.system(cmd) if res != 0: self._abort(error.RepoError(_("could not create remote repo"))) self.validate_repo(ui, sshcmd, args, remotecmd) def url(self): return self._url def validate_repo(self, ui, sshcmd, args, remotecmd): # cleanup up previous run self.cleanup() cmd = '%s %s %s' % (sshcmd, args, util.shellquote("%s -R %s serve --stdio" % (_serverquote(remotecmd), _serverquote(self.path)))) ui.note(_('running %s\n') % cmd) cmd = util.quotecommand(cmd) self.pipeo, self.pipei, self.pipee = util.popen3(cmd) # skip any noise generated by remote shell self._callstream("hello") r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40))) lines = ["", "dummy"] max_noise = 500 while lines[-1] and max_noise: l = r.readline() self.readerr() if lines[-1] == "1\n" and l == "\n": break if l: ui.debug("remote: ", l) lines.append(l) max_noise -= 1 else: self._abort(error.RepoError(_("no suitable response from remote hg"))) self.capabilities = set() for l in reversed(lines): if l.startswith("capabilities:"): self.capabilities.update(l[:-1].split(":")[1].split()) break def readerr(self): while True: size = util.fstat(self.pipee).st_size if size == 0: break s = self.pipee.read(size) if not s: break for l in s.splitlines(): self.ui.status(_("remote: "), l, '\n') def _abort(self, exception): self.cleanup() raise exception def cleanup(self): try: self.pipeo.close() self.pipei.close() # read the error descriptor until EOF for l in self.pipee: self.ui.status(_("remote: "), l) self.pipee.close() except: pass __del__ = cleanup def _callstream(self, cmd, **args): self.ui.debug("sending %s command\n" % cmd) self.pipeo.write("%s\n" % cmd) _func, names = wireproto.commands[cmd] keys = names.split() wireargs = {} for k in keys: if k == '*': wireargs['*'] = args break else: wireargs[k] = args[k] del args[k] for k, v in sorted(wireargs.iteritems()): self.pipeo.write("%s %d\n" % (k, len(v))) if isinstance(v, dict): for dk, dv in v.iteritems(): self.pipeo.write("%s %d\n" % (dk, len(dv))) self.pipeo.write(dv) else: self.pipeo.write(v) self.pipeo.flush() return self.pipei def _call(self, cmd, **args): self._callstream(cmd, **args) return self._recv() def _callpush(self, cmd, fp, **args): r = self._call(cmd, **args) if r: return '', r while True: d = fp.read(4096) if not d: break self._send(d) self._send("", flush=True) r = self._recv() if r: return '', r return self._recv(), '' def _decompress(self, stream): return stream def _recv(self): l = self.pipei.readline() if l == '\n': err = [] while True: line = self.pipee.readline() if line == '-\n': break err.extend([line]) if len(err) > 0: # strip the trailing newline added to the last line server-side err[-1] = err[-1][:-1] self._abort(error.OutOfBandError(*err)) self.readerr() try: l = int(l) except ValueError: self._abort(error.ResponseError(_("unexpected response:"), l)) return self.pipei.read(l) def _send(self, data, flush=False): self.pipeo.write("%d\n" % len(data)) if data: self.pipeo.write(data) if flush: self.pipeo.flush() self.readerr() def lock(self): self._call("lock") return remotelock(self) def unlock(self): self._call("unlock") def addchangegroup(self, cg, source, url, lock=None): '''Send a changegroup to the remote server. Return an integer similar to unbundle(). DEPRECATED, since it requires locking the remote.''' d = self._call("addchangegroup") if d: self._abort(error.RepoError(_("push refused: %s") % d)) while True: d = cg.read(4096) if not d: break self.pipeo.write(d) self.readerr() self.pipeo.flush() self.readerr() r = self._recv() if not r: return 1 try: return int(r) except ValueError: self._abort(error.ResponseError(_("unexpected response:"), r)) instance = sshrepository