1
0
mirror of https://github.com/nvbn/thefuck.git synced 2025-03-20 09:39:01 +00:00
thefuck/thefuck/rules/ssh_known_hosts.py
2017-08-31 17:58:56 +02:00

38 lines
1.0 KiB
Python

import re
from thefuck.utils import for_app
commands = ('ssh', 'scp')
@for_app(*commands)
def match(command):
if not command.script:
return False
if not command.script.startswith(commands):
return False
patterns = (
r'WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!',
r'WARNING: POSSIBLE DNS SPOOFING DETECTED!',
r"Warning: the \S+ host key for '([^']+)' differs from the key for the IP address '([^']+)'",
)
return any(re.findall(pattern, command.output) for pattern in patterns)
def get_new_command(command):
return command.script
def side_effect(old_cmd, command):
offending_pattern = re.compile(
r'(?:Offending (?:key for IP|\S+ key)|Matching host key) in ([^:]+):(\d+)',
re.MULTILINE)
offending = offending_pattern.findall(old_cmd.output)
for filepath, lineno in offending:
with open(filepath, 'r') as fh:
lines = fh.readlines()
del lines[int(lineno) - 1]
with open(filepath, 'w') as fh:
fh.writelines(lines)