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Add a kitten to easily ssh into servers that automatically copies the terminfo files over
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@ -560,8 +560,15 @@ for why kitty does not support background color erase.
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=== I get errors about the terminal being unknown or opening the terminal failing when SSHing into a different computer?
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=== I get errors about the terminal being unknown or opening the terminal failing when SSHing into a different computer?
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This happens because the kitty terminfo files are not available on the server.
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This happens because the kitty terminfo files are not available on the server.
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Either install kitty on the server, or simply copy over the terminfo files,
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If you have python installed on the server, you can ssh in using the following
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using:
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command which will automatically copy the terminfo files over.
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....
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kitty +kitten ssh server_name
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....
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Alternatively, you can use the following one-liner which does not require python
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on the server, but is slower, as it has to ssh into the server twice:
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....
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....
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infocmp xterm-kitty | ssh myserver tic -x -o \~/.terminfo /dev/stdin
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infocmp xterm-kitty | ssh myserver tic -x -o \~/.terminfo /dev/stdin
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@ -582,7 +589,6 @@ infocmp xterm-kitty | ssh $1 tic -x -o \~/.terminfo /dev/stdin && ssh $1
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Then you can use `myssh server` to log in to `server` with the terminfo file
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Then you can use `myssh server` to log in to `server` with the terminfo file
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being automatically available.
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being automatically available.
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=== How do I change the colors in a running kitty instance?
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=== How do I change the colors in a running kitty instance?
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You can either use the
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You can either use the
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0
kittens/ssh/__init__.py
Normal file
0
kittens/ssh/__init__.py
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74
kittens/ssh/main.py
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74
kittens/ssh/main.py
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@ -0,0 +1,74 @@
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#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
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import subprocess
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import sys
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SHELL_SCRIPT = '''\
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#!/bin/sh
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tmp=$(mktemp /tmp/terminfo.XXXXXX)
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cat >$tmp << 'TERMEOF'
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TERMINFO
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TERMEOF
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tic_out=$(tic -x -o ~/.terminfo $tmp 2>&1)
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rc=$?
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rm $tmp
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if [ "$rc" != "0" ]; then echo "$tic_out"; exit 1; fi
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if [ -z "$USER" ]; then USER=$(whoami); fi
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search_for_python() {
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# We have to search for python as Ubuntu, in its infinite wisdom decided
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# to release 18.04 with no python symlink, making it impossible to run polyglot
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# python scripts.
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# We cannot use command -v as it is not implemented in the posh shell shipped with
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# Ubuntu/Debian. Similarly, there is no guarantee that which is installed.
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# Shell scripting is a horrible joke, thank heavens for python.
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local IFS=:
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if [ $ZSH_VERSION ]; then
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# zsh does not split by default
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setopt sh_word_split
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fi
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local candidate_path
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local candidate_python
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local pythons=python3:python2
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# disable pathname expansion (globbing)
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set -f
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for candidate_path in $PATH
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do
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if [ ! -z $candidate_path ]
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then
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for candidate_python in $pythons
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do
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if [ ! -z "$candidate_path" ]
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then
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if [ -x "$candidate_path/$candidate_python" ]
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then
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printf "$candidate_path/$candidate_python"
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return
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fi
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fi
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done
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fi
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done
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set +f
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printf "python"
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}
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PYTHON=$(search_for_python)
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exec $PYTHON -c "import os, pwd; shell = pwd.getpwuid(os.geteuid()).pw_shell or 'sh'; os.execlp(shell, '-' + os.path.basename(shell))"
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'''
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def main(args):
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server = args[1]
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terminfo = subprocess.check_output(['infocmp']).decode('utf-8')
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sh_script = SHELL_SCRIPT.replace('TERMINFO', terminfo, 1)
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cmd = ['ssh', '-t', server, sh_script]
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p = subprocess.Popen(cmd)
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raise SystemExit(p.wait())
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if __name__ == '__main__':
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main(sys.argv)
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