Mercurial > hg
view mercurial/sshrepo.py @ 4384:caaba589d9c7
Use patch.patch() when checking for patch availability.
The test is closer to what we want to know. It also makes sense when you deal with patched versions of patch() as most people do under win32.
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 28 Apr 2007 11:53:36 +0200 |
parents | 6b4127c7d52a |
children | 664a1c312972 6d5ed61c508c |
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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, incorporated herein by reference. from node import * from remoterepo import * from i18n import _ import hg, os, re, stat, util class sshrepository(remoterepository): def __init__(self, ui, path, create=0): self._url = path self.ui = ui m = re.match(r'^ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?$', path) if not m: self.raise_(hg.RepoError(_("couldn't parse location %s") % path)) self.user = m.group(2) self.host = m.group(3) self.port = m.group(5) self.path = m.group(7) or "." args = self.user and ("%s@%s" % (self.user, self.host)) or self.host args = self.port and ("%s -p %s") % (args, self.port) or args sshcmd = self.ui.config("ui", "ssh", "ssh") remotecmd = self.ui.config("ui", "remotecmd", "hg") if create: cmd = '%s %s "%s init %s"' cmd = cmd % (sshcmd, args, remotecmd, self.path) ui.note('running %s\n' % cmd) res = os.system(cmd) if res != 0: self.raise_(hg.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 -R %s serve --stdio"' cmd = cmd % (sshcmd, args, remotecmd, self.path) ui.note('running %s\n' % cmd) self.pipeo, self.pipei, self.pipee = os.popen3(cmd, 'b') # skip any noise generated by remote shell self.do_cmd("hello") r = self.do_cmd("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.raise_(hg.RepoError(_("no suitable response from remote hg"))) self.capabilities = () lines.reverse() for l in lines: if l.startswith("capabilities:"): self.capabilities = l[:-1].split(":")[1].split() break def readerr(self): while 1: size = util.fstat(self.pipee).st_size if size == 0: break l = self.pipee.readline() if not l: break self.ui.status(_("remote: "), l) def raise_(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 do_cmd(self, cmd, **args): self.ui.debug(_("sending %s command\n") % cmd) self.pipeo.write("%s\n" % cmd) for k, v in args.items(): self.pipeo.write("%s %d\n" % (k, len(v))) self.pipeo.write(v) self.pipeo.flush() return self.pipei def call(self, cmd, **args): r = self.do_cmd(cmd, **args) l = r.readline() self.readerr() try: l = int(l) except: self.raise_(util.UnexpectedOutput(_("unexpected response:"), l)) return r.read(l) def lock(self): self.call("lock") return remotelock(self) def unlock(self): self.call("unlock") def lookup(self, key): d = self.call("lookup", key=key) success, data = d[:-1].split(" ", 1) if int(success): return bin(data) else: self.raise_(hg.RepoError(data)) def heads(self): d = self.call("heads") try: return map(bin, d[:-1].split(" ")) except: self.raise_(util.UnexpectedOutput(_("unexpected response:"), d)) def branches(self, nodes): n = " ".join(map(hex, nodes)) d = self.call("branches", nodes=n) try: br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] return br except: self.raise_(util.UnexpectedOutput(_("unexpected response:"), d)) def between(self, pairs): n = "\n".join(["-".join(map(hex, p)) for p in pairs]) d = self.call("between", pairs=n) try: p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] return p except: self.raise_(util.UnexpectedOutput(_("unexpected response:"), d)) def changegroup(self, nodes, kind): n = " ".join(map(hex, nodes)) return self.do_cmd("changegroup", roots=n) def changegroupsubset(self, bases, heads, kind): bases = " ".join(map(hex, bases)) heads = " ".join(map(hex, heads)) return self.do_cmd("changegroupsubset", bases=bases, heads=heads) def unbundle(self, cg, heads, source): d = self.call("unbundle", heads=' '.join(map(hex, heads))) if d: self.raise_(hg.RepoError(_("push refused: %s") % d)) while 1: d = cg.read(4096) if not d: break self.pipeo.write(str(len(d)) + '\n') self.pipeo.write(d) self.readerr() self.pipeo.write('0\n') self.pipeo.flush() self.readerr() d = self.pipei.readline() if d != '\n': return 1 l = int(self.pipei.readline()) r = self.pipei.read(l) if not r: return 1 return int(r) def addchangegroup(self, cg, source, url): d = self.call("addchangegroup") if d: self.raise_(hg.RepoError(_("push refused: %s") % d)) while 1: d = cg.read(4096) if not d: break self.pipeo.write(d) self.readerr() self.pipeo.flush() self.readerr() l = int(self.pipei.readline()) r = self.pipei.read(l) if not r: return 1 return int(r) def stream_out(self): return self.do_cmd('stream_out') instance = sshrepository