Why was default-path removed? Is there another way to achieve it?

[brandoncc]

First, thank you for this wonderful tool!

I created a plugin for neovim that manages processes based on my current git worktree, which changes my working directory. This is a perfect use case for default-path, but it seems that was removed. Is there another way to do it? If found this, but that looks like a terrible way to have to solve this!

Please tell me there is a better way to tell tmux I want the new-window command to use a specific path without having to pass the -c flag.

For further information, I would like to change the "working directory" of the pane where neovim is running while neovim is still running. Then if I execute new-window, I need the new window to also be in the new working directory.

The "not so fun" solution I have come up is to set a session variable from my neovim plugin which can then be used in a tmux binding with the -c flag on neww... but I am hoping there is a better way.

Thanks again.

[nicm]

If you want tmux to use the current working directory from an already-running pane you can use pane_current_path, or have the application set pane_path with the escape sequence and use it:

neww -c '#{pane_current_path}'

If you want to set the working directory explicitly with an option you can use a user option and set that to where you want the path to be:

set -g @p /tmp
neww -c '#{@p}'

[bew]

You could also use attach-session -c "#{pane_current_path}" once to set the default path for windows for the current session.

[brandoncc]

Thanks @nicm, I did devise a system like that which works:

if #vim.fn.system('printenv TMUX') > 0 then
  vim.fn.system('tmux set-option @default-path "' .. vim.fn.getcwd() .. '"')
end

# @default-path gets set in git-worktree.nvim switch callback
if-shell -b '[ -n `tmux show-option -v @default-path` ]' " \
    bind-key c new-window -c '#{@default-path}'; \
    bind-key c new-window -c '#{pane_current_path}'"

This workaround is working okay, although I don't love it.

---

Thanks @bew, that is actually the hack that is used in the script I linked.

[bew]

Thanks @bew, that is actually the hack that is used in the script I linked.

That script seems to do a lot for this..
I just do that command, it works well on 3.x:
https://github.com/bew/dotfiles/blob/ad8851bf565ab2/tmux/mappings.conf#L170-L171

---

For your vim config, you should be able to simply do:

if vim.env.TMUX then
  vim.fn.system('tmux attach-session -c "' .. vim.fn.getcwd() .. '"')
end

no?

[nicm]

You could do -c '#{?@default-path,#{@default-path},#{pane_current_path}}' instead of if-shell, or use if -F.

[brandoncc]

Thanks @bew, that is actually the hack that is used in the script I linked.

That script seems to do a lot for this.. I just do that command, it works well on 3.x: https://github.com/bew/dotfiles/blob/ad8851bf565ab2/tmux/mappings.conf#L170-L171

For your vim config, you should be able to simply do:

if vim.env.TMUX then
  vim.fn.system('tmux attach-session -c "' .. vim.fn.getcwd() .. '"')
end

no?

That worked perfectly @bew, thank you! I think I had created my custom binding before trying this the first time so it was using current_pane_path and making me think it didn't work.

[brandoncc]

You could do -c '#{?@default-path,#{@default-path},#{pane_current_path}}' instead of if-shell, or use if -F.

Thank you, I actually wondered about doing that, but I'm just learning how to use the format strings.

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