--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/sshrepo.py	Sat Aug 27 14:21:25 2005 -0700
@@ -0,0 +1,127 @@
+# hg.py - repository classes for mercurial
+#
+# Copyright 2005 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.
+
+import os, re, select
+
+class sshrepository(remoterepository):
+    def __init__(self, ui, path):
+        self.url = path
+        self.ui = ui
+
+        m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path)
+        if not m:
+            raise RepoError("couldn't parse destination %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")
+        cmd = "%s %s '%s -R %s serve --stdio'"
+        cmd = cmd % (sshcmd, args, remotecmd, self.path)
+
+        self.pipeo, self.pipei, self.pipee = os.popen3(cmd)
+
+    def readerr(self):
+        while 1:
+            r,w,x = select.select([self.pipee], [], [], 0)
+            if not r: break
+            l = self.pipee.readline()
+            if not l: break
+            self.ui.status("remote: ", l)
+
+    def __del__(self):
+        try:
+            self.pipeo.close()
+            self.pipei.close()
+            for l in self.pipee:
+                self.ui.status("remote: ", l)
+            self.pipee.close()
+        except:
+            pass
+
+    def dev(self):
+        return -1
+
+    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:
+            raise RepoError("unexpected response '%s'" % l)
+        return r.read(l)
+
+    def lock(self):
+        self.call("lock")
+        return remotelock(self)
+
+    def unlock(self):
+        self.call("unlock")
+
+    def heads(self):
+        d = self.call("heads")
+        try:
+            return map(bin, d[:-1].split(" "))
+        except:
+            raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
+
+    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:
+            raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
+
+    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:
+            raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
+
+    def changegroup(self, nodes):
+        n = " ".join(map(hex, nodes))
+        f = self.do_cmd("changegroup", roots=n)
+        return self.pipei
+
+    def addchangegroup(self, cg):
+        d = self.call("addchangegroup")
+        if d:
+            raise 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())
+        return self.pipei.read(l) != ""