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ssh kitten: Add FreeBSD tcsh (csh) support

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Replace line feeds and exclamation marks for tcsh compatibility.
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pagedown 2022-03-09 16:11:58 +08:00
parent 08bb63fa92
commit d29fa7b382
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GPG Key ID: E921CF18AC8FF6EB
1 changed files with 5 additions and 4 deletions
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9
kittens/ssh/main.py
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@ -407,10 +407,11 @@ def wrap_bootstrap_script(sh_script: str, interpreter: str) -> List[str]:
unwrap_script = '''"import base64, sys; eval(compile(base64.standard_b64decode(sys.argv[-1]), 'bootstrap.py', 'exec'))"'''
else:
# We cant rely on base64 being available on the remote system, so instead
# we quote the bootstrap script by replacing ' and \ with \v and \f and
# surrounding with '
es = "'" + sh_script.replace("'", '\v').replace('\\', '\f') + "'"
unwrap_script = r"""'eval "$(echo "$0" | tr \\\v\\\f \\\047\\\134)"' """
# we quote the bootstrap script by replacing ' and \ with \v and \f
# also replacing \n and ! with \r and \b for tcsh
# finally surrounding with '
es = "'" + sh_script.replace("'", '\v').replace('\\', '\f').replace('\n', '\r').replace('!', '\b') + "'"
unwrap_script = r"""'eval "$(echo "$0" | tr \\\v\\\f\\\r\\\b \\\047\\\134\\\n\\\041)"' """
return [interpreter, '-c', unwrap_script, es]