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#!/usr/bin/env python3
# Wrapper around the FUSE 'sshfs' client, which arranges to use Plink
# as the SSH transport subcommand.
#
# This is not totally trivial because sshfs assumes slightly more of
# OpenSSH's command-line syntax than Plink supports. So we actually
# give sshfs a subcommand which is this script itself, re-invoked with
# the --helper option.
import sys
import os
import shlex
if sys.argv[1:2] == ["--helper"]:
# Helper mode. Strip OpenSSH-specific '-o' options from the
# command line, and invoke Plink.
plink_command = ["plink"]
it = iter(sys.argv)
next(it) # discard command name
next(it) # discard --helper
for arg in it:
if arg == "-o":
next(it) # discard -o option
elif arg.startswith("-o"):
pass
else:
plink_command.append(arg)
os.execvp(plink_command[0], plink_command)
else:
# Normal mode, invoked by the user.
sshfs_command = [
"sshfs", "-o", "ssh_command={} --helper".format(
os.path.realpath(__file__))
] + sys.argv[1:]
os.execvp(sshfs_command[0], sshfs_command)
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