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https://github.com/ofirgall/tmux-window-name

A plugin to name your tmux windows smartly.
https://github.com/ofirgall/tmux-window-name

tmux

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A plugin to name your tmux windows smartly.

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README 

        
# Better Window Names for tmux



A plugin to name your tmux windows smartly, like IDE's.



![Tmux Window Name Screenshot](screenshots/example.png)



## Index

* [Use case](#use-case)

* [Usage](#usage)

* [How it works](#how-it-works)

* [Installation](#installation)

* [Configuration Options](#configuration-options)



## Dependencies



* tmux (Tested on 3.0a)

* Python 3.6.8+ (Maybe can be lower, tested on 3.6.8)

* pip

* [libtmux](https://github.com/tmux-python/libtmux) >0.16



## Use case



If you are using tmux as your main multiplexer you probably found yourself with 5+ windows per session with indexed names but no information about whats going on in the windows.



You tried to configure `automatic-rename` and `automatic-rename-format` but you found yourself pretty limited.



This plugin comes to solve those issues to name your windows inspired by IDE tablines.\

It makes sure to show you the shortest path possible!



#### Examples

This session:

```

1. ~/workspace/my_project

2. ~/workspace/my_project/tests/

3. ~/workspace/my_other_project

4. ~/workspace/my_other_project/tests

```

Will display:

```

1. my_project

2. my_project/tests

3. my_other_project

4. my_other_project/tests

```



---



It knows which programs runs

```

1. ~/workspace/my_project (with nvim)

2. ~/workspace/my_project

3. ~/workspace/my_other_project (with git diff)

4. ~/workspace/my_other_project

```

Will display:

```

1. nvim:my_project

2. my_project

3. git diff:my_other_project

4. my_other_project

```



For more scenarios you check out the [tests](tests/test_exclusive_paths.py).



## Usage

[Install](#installation) the plugin and let it name your windows :)



_**Note**_: if you are using [tmux-resurrect](https://github.com/tmux-plugins/tmux-resurrect) `tmux-window-name` must be loaded before `tmux-resurrect`



You can `tmux rename-window` manually to set your own window names, to re-enable automatic renames set run `tmux rename-window ""`



Make sure your configuration/other plugins doesn't turn on `automatic-rename` and doesn't rename your windows.



### Automatic rename after launching neovim

By default `tmux-window-name` hooks `after-select-window` which trigged when switching windows.



You can add autocmd to rename after nvim launches as so:

```lua

local uv = vim.loop



vim.api.nvim_create_autocmd('VimEnter', {

	callback = function()

		if vim.env.TMUX_PLUGIN_MANAGER_PATH then

			uv.spawn(vim.env.TMUX_PLUGIN_MANAGER_PATH .. '/tmux-window-name/scripts/rename_session_windows.py', {})

		end

	end,

})

```



### Automatic rename after changing dir

By default `tmux-window-name` hooks `after-select-window` which trigged when switching windows, you can add hook in your `.shellrc` to execute `tmux-window-name`

##### .zshrc

```bash

tmux-window-name() {

	($TMUX_PLUGIN_MANAGER_PATH/tmux-window-name/scripts/rename_session_windows.py &)

}



add-zsh-hook chpwd tmux-window-name

```



#### Hooks Used

Make sure the hooks that used aren't overridden.

* @resurrect-hook-pre-restore-all

* @resurrect-hook-post-restore-all



---



## How it works

Each time you unfocus from a pane, the plugin looks for every active pane in your session windows.



_**Note**_: if you have a better hook in mind make sure to notify me!



1. If shell is running, it shows the current dir as short as possible, `long_dir/a` -> `a`, it avoids [intersections](#Intersections) too!

1. If "regular" program is running it shows the program with the args, `less ~/my_file` -> `less ~/my_file`.

1. If "special" program is running it shows the program with the dir attached, `git diff` (in `long_dir/a`) -> `git diff:a`, it avoids [intersections](#Intersections) too!



### Intersections



To make the shortest path as possible the plugin finds the shortest not common path if your windows.



--- 



## Installation



### Install libtmux (must)

_**Note**_: Make sure you are using the `user` python and not `sudo` python or `virutalenv` python!



```sh

python3 -m pip install --user libtmux

```



### Install dataclasses (for Python 3.6.X only)

```sh

python3 -m pip install dataclasses --user

```



### Installation with [Tmux Plugin Manager](https://github.com/tmux-plugins/tpm) (recommended)



Add plugin to the list of TPM plugins:



```tmux.conf

set -g @plugin 'ofirgall/tmux-window-name'

```



_**Note**_: set `tmux-window-name` before `tmux-resurrect` (if you are using `tmux-resurrect`)



```tmux.conf

set -g @plugin 'ofirgall/tmux-window-name'

set -g @plugin 'tmux-plugins/tmux-resurrect'

```



Press prefix + I to install it.



### Manual Installation



Clone the repo:



```bash

$ git clone https://github.com/ofirgall/tmux-window-name.git ~/clone/path

```



Add this line to your .tmux.conf:



```tmux.conf

run-shell ~/clone/path/tmux_window_name.tmux

```



Reload TMUX environment with:



```bash

$ tmux source-file ~/.tmux.conf

```



## Configuration Options

_**Note**_: All options are evaluated with [eval](https://docs.python.org/3/library/functions.html#eval) be careful!



### `@tmux_window_name_shells`



Shell programs, will show dir instead of the program



```tmux.conf

set -g @tmux_window_name_shells "['bash', 'fish', 'sh', 'zsh']"

```



### `@tmux_window_name_dir_programs`



Programs that will show the dir name too.



E.g: `git diff` running in `long_dir/my_repo` will show `git diff:my_repo`



```tmux.conf

set -g @tmux_window_dir_programs "['nvim', 'vim', 'vi', 'git']"

```



### `@tmux_window_name_ignored_programs`



Programs that will be skipped/ignored when looking for active program.



```tmux.conf

set -g @tmux_window_name_ignored_programs "['sqlite3']" # Default is []

```



### `@tmux_window_name_max_name_len`



Maximum name length of a window



```tmux.conf

set -g @tmux_window_name_max_name_len "20"

```



### `@tmux_window_name_use_tilde`



Replace `$HOME` with `~` in window names



```tmux.conf

set -g @tmux_window_name_use_tilde "False"

```



### `@tmux_window_name_show_program_args`



Show arguments that the program has been ran with.



```tmux.conf

set -g @tmux_window_name_show_program_args "True"

```



### `@tmux_window_name_substitute_sets`



Replace program command lines with [re.sub](https://docs.python.org/3/library/re.html#re.sub). \

The options expect list of tuples with 2 elements, `pattern` and `repl`. \

E.g: The example below will replace `/usr/bin/python3 /usr/bin/ipython3` with `ipython3`, and the same for ipython2



Note: use `~/.tmux/plugins/tmux-window-name/scripts/rename_session_windows.py --print_programs` to see the full program command line and the results of the substitute.



```tmux.conf

set -g @tmux_window_name_substitute_sets "[('.+ipython2', 'ipython2'), ('.+ipython3', 'ipython3')]"



# Same example but with regex groups

set -g @tmux_window_name_substitute_sets "[('.+ipython([32])', 'ipython\g<1>')]"



# Default Value:

set -g @tmux_window_name_substitute_sets "[('.+ipython([32])', 'ipython\g<1>'), ('^(/usr)?/bin/(.+)', '\g<2>'), ('(bash) (.+)/(.+[ $])(.+)', '\g<3>\g<4>')]"

	# 0: from example

	# 1: removing `/usr/bin` and `/bin` prefixes of files

	# 2: removing `bash /long/path/for/bashscript`

```



### `@tmux_window_name_dir_substitute_sets`



Replace dir lines with [re.sub](https://docs.python.org/3/library/re.html#re.sub). \

The options expect list of tuples with 2 elements, `pattern` and `repl` as above. 

E.g: The example below will replace `tmux-resurrect` with `resurrect`



```tmux.conf

set -g @tmux_window_name_dir_substitute_sets "[('tmux-(.+)', '\\g<1>')]"



# Default Value:

set -g @tmux_window_name_dir_substitute_sets "[]"

```



---



## Debug Configuration Options



### `@tmux_window_name_log_level`



Set log level of the script. \

Logs output go to `/tmp/tmux-window-name.log`



```tmux.conf

# Enable debug logs

set -g @tmux_window_name_log_level "'DEBUG'"



# Default Value:

set -g @tmux_window_name_log_level "'WARNING'"

```



---



# Testing

Run `pytest` at the root dir



---



## License



[MIT](LICENSE)