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Tl;dr - how do I find the name of the command (eg $BASH_COMMAND) running on the remote end of an ssh connection?

...

My example setup is two tmux vertical panes,

  1. LH pane runs a local vim session with vertical split,
  2. RH pane runs an ssh session running vim, again with a vertical split.

Using tmux-navigator I can navigate from left to right over the first 3 vim buffers, but the 4th (far right hand one) is inaccessible.

The reason for this is that tmux-navigator tests the value of 'pane_current_command' and compares it to 'vim' before deciding which keystrokes to dispatch. On the right hand tmux pane, the current command is 'ssh' and not 'vim'.

What I want to do is test for (pane_current_command =~ 'ssh'), and if so, examine the command that is running on the far side of the connection? I cannot find a way to get hold of this, so any suggestions would be welcome?

For information, the problem is almost the same as this one, but without the nested tmux sessions: https://github.com/christoomey/vim-tmux-navigator/issues/12

  • What a complicated setup… – romainl Oct 31 '13 at 10:31
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Generally it is not possible to know what command ssh is running. However in your situation you could set pane title prior to launching vim, using e.g.:

printf '\033]2;vim\033\\'

and in tmux check pane_title.

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