|
|
# 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 bin, hex
|
|
|
from i18n import _
|
|
|
import repo, os, re, util
|
|
|
|
|
|
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()
|
|
|
|
|
|
class sshrepository(repo.repository):
|
|
|
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_(repo.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 "."
|
|
|
|
|
|
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 init %s"'
|
|
|
cmd = cmd % (sshcmd, args, remotecmd, self.path)
|
|
|
|
|
|
ui.note('running %s\n' % cmd)
|
|
|
res = util.system(cmd)
|
|
|
if res != 0:
|
|
|
self.raise_(repo.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)
|
|
|
|
|
|
cmd = util.quotecommand(cmd)
|
|
|
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_(repo.RepoError(_("no suitable response from remote hg")))
|
|
|
|
|
|
self.capabilities = util.set()
|
|
|
lines.reverse()
|
|
|
for l in lines:
|
|
|
if l.startswith("capabilities:"):
|
|
|
self.capabilities.update(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):
|
|
|
self.do_cmd(cmd, **args)
|
|
|
return self._recv()
|
|
|
|
|
|
def _recv(self):
|
|
|
l = self.pipei.readline()
|
|
|
self.readerr()
|
|
|
try:
|
|
|
l = int(l)
|
|
|
except:
|
|
|
self.raise_(util.UnexpectedOutput(_("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 lookup(self, key):
|
|
|
self.requirecap('lookup', _('look up remote revision'))
|
|
|
d = self.call("lookup", key=key)
|
|
|
success, data = d[:-1].split(" ", 1)
|
|
|
if int(success):
|
|
|
return bin(data)
|
|
|
else:
|
|
|
self.raise_(repo.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):
|
|
|
self.requirecap('changegroupsubset', _('look up remote changes'))
|
|
|
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:
|
|
|
# remote may send "unsynced changes"
|
|
|
self.raise_(repo.RepoError(_("push refused: %s") % d))
|
|
|
|
|
|
while 1:
|
|
|
d = cg.read(4096)
|
|
|
if not d:
|
|
|
break
|
|
|
self._send(d)
|
|
|
|
|
|
self._send("", flush=True)
|
|
|
|
|
|
r = self._recv()
|
|
|
if r:
|
|
|
# remote may send "unsynced changes"
|
|
|
self.raise_(repo.RepoError(_("push failed: %s") % r))
|
|
|
|
|
|
r = self._recv()
|
|
|
try:
|
|
|
return int(r)
|
|
|
except:
|
|
|
self.raise_(util.UnexpectedOutput(_("unexpected response:"), r))
|
|
|
|
|
|
def addchangegroup(self, cg, source, url):
|
|
|
d = self.call("addchangegroup")
|
|
|
if d:
|
|
|
self.raise_(repo.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()
|
|
|
r = self._recv()
|
|
|
if not r:
|
|
|
return 1
|
|
|
try:
|
|
|
return int(r)
|
|
|
except:
|
|
|
self.raise_(util.UnexpectedOutput(_("unexpected response:"), r))
|
|
|
|
|
|
def stream_out(self):
|
|
|
return self.do_cmd('stream_out')
|
|
|
|
|
|
instance = sshrepository
|
|
|
|
