-#!/usr/bin/env python
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/bup-python" || exit $?
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+
+from __future__ import absolute_import
import sys, os, struct, getopt, subprocess, signal
+
+from subprocess import PIPE
from bup import options, ssh, path
-from bup.helpers import *
+from bup.helpers import DemuxConn, log
+
optspec = """
bup on <hostname> index ...
bup on <hostname> save ...
bup on <hostname> split ...
+bup on <hostname> get ...
"""
o = options.Options(optspec, optfunc=getopt.getopt)
(opt, flags, extra) = o.parse(sys.argv[1:])
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGINT, handler)
-sp = None
-p = None
-ret = 99
+try:
+ sp = None
+ p = None
+ ret = 99
-hp = extra[0].split(':')
-if len(hp) == 1:
- (hostname, port) = (hp[0], None)
-else:
- (hostname, port) = hp
+ hp = extra[0].split(':')
+ if len(hp) == 1:
+ (hostname, port) = (hp[0], None)
+ else:
+ (hostname, port) = hp
+ argv = extra[1:]
+ p = ssh.connect(hostname, port, 'on--server', stderr=PIPE)
-argv = extra[1:]
-p = ssh.connect(hostname, port, 'on--server')
+ try:
+ argvs = '\0'.join(['bup'] + argv)
+ p.stdin.write(struct.pack('!I', len(argvs)) + argvs)
+ p.stdin.flush()
+ sp = subprocess.Popen([path.exe(), 'server'],
+ stdin=p.stdout, stdout=p.stdin)
+ p.stdin.close()
+ p.stdout.close()
+ # Demultiplex remote client's stderr (back to stdout/stderr).
+ dmc = DemuxConn(p.stderr.fileno(), open(os.devnull, "w"))
+ for line in iter(dmc.readline, ""):
+ sys.stdout.write(line)
+ finally:
+ while 1:
+ # if we get a signal while waiting, we have to keep waiting, just
+ # in case our child doesn't die.
+ try:
+ ret = p.wait()
+ if sp:
+ sp.wait()
+ break
+ except SigException as e:
+ log('\nbup on: %s\n' % e)
+ os.kill(p.pid, e.signum)
+ ret = 84
+except SigException as e:
+ if ret == 0:
+ ret = 99
+ log('\nbup on: %s\n' % e)
-try:
- argvs = '\0'.join(['bup'] + argv)
- p.stdin.write(struct.pack('!I', len(argvs)) + argvs)
- p.stdin.flush()
- sp = subprocess.Popen([path.exe(), 'server'],
- stdin=p.stdout, stdout=p.stdin)
- p.stdin.close()
- p.stdout.close()
-finally:
- while 1:
- # if we get a signal while waiting, we have to keep waiting, just
- # in case our child doesn't die.
- try:
- ret = p.wait()
- if sp:
- sp.wait()
- break
- except SigException, e:
- log('\nbup on: %s\n' % e)
- os.kill(p.pid, e.signum)
- ret = 84
sys.exit(ret)