'Get absolut path to tmux.conf in tmux configuration file

I'm desperately trying to extract the absolute path of the tmux.conf file (which is a symbolic link) within the file itself. Usually one can achieve this easily in bash with:

file_dir=$(dirname $(realpath -f $0))

But I'm not sure how to achieve this in tmux.conf.

Some background: I have a repo which holds my config of tmux I use on several machines. All I want to do is clone the repo set the symbolic link and the tmux.conf figures out where the repo and all the necessary files are located. But therefore I need to have knowledge about the absolute path of the symbolic link. I don't want to add anything to bashrc or create a other script which triggers the tmux.conf.

Anyone suggestions how to achieve this?

As @Nicholas Marriott pointed out this works like charm! Thanks.

run -b 'tmux set-env -g TMUX_PLUGIN_MANAGER_PATH "$(dirname $(realpath -f $HOME/.tmux.conf))/plugins/"'
ran -b '$(dirname $(realpath -f $HOME/.tmux.conf)/plugins/tpm/tpm)'
bashtmux


Solution 1:[1]

There is no way to get the path of the config file like $0 but if you know its location and just want to know where it points you can do, for example:

run 'tmux set -g @conf_dir "$(dirname $(realpath -f ~/.tmux.conf))"'

Then use #{@conf_dir}.

But note that source-file does not expand formats, so you can't just do source-file "#{@conf_dir}/*.conf" - you will have to use run-shell which does, for example:

run 'tmux source "#{@conf_dir}/*.conf"'

Also because you are setting a user option it will not be available until the command is run, so not at parse time.

Solution 2:[2]

tmux display-message -p "#{config_files}"
/pathto/config/tmux/config

see man tmux > FORMATS:

config_files                    List of configuration files loaded

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Nicholas Marriott
Solution 2 timotheecour

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