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Session Sauce

Shell plugin for managing tmux sessions

ChrisPenner
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29 stars
3 forks
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Session Sauce

Session Sauce exposes the sess command for quick and easy tmux session management.

asciicast

It allows you as the user to stop caring about which sessions currently exist by being declarative about which project you want to switch to. If a session exists you'll be switched there. If it doesn't, it will be created, then you'll be switched there, detaching any current session (if one exists).

sess also handles your TMUX context for you, opening a tmux client if you're outside of one, and switching sessions of the current client if you're already inside tmux. No more sessions should be nested with care, unset $TMUX to force messages!

Note: All subcommand names can optionally be shortened to their first letter. E.g. sess s is equivalent to sess switch

Compatibility

session-sauce should work on most linux and mac machines, and works with most bash-compatible shells.

Installation options:

  • copy-paste session-sauce.plugin.zsh onto your machine and source it from your shell's rc file. (E.g. ~/.bashrc or ~/.zshrc)
  • Add to your ZSH plugin manager as ChrisPenner/session-sauce

Although the script has a zsh suffix it should be fully compatible with all shells that can interpret bash.

Dependencies:

fzf:

Find installation instructions here: https://github.com/junegunn/fzf Or brew install fzf on a Mac

tmux:

Find installation instructions here: https://github.com/tmux/tmux Or brew install tmux on a Mac

Configuration

SESS_PROJECT_ROOT

Export this variable from your zshrc or bashrc file. This should contain a list of : separated absolute paths to directories where you keep your projects. Projects in this directory will be used as options for the sess switch command.

tmux bindings

You can set up tmux bindings to pop a side pane for switching sessions so you don't have to type an explicit shell command. This is handy when you're running things like vim and don't want to jump out to a prompt in order to switch sessions.

Throw these into your .tmux.conf and customize the binding to whatever you like.

bind-key C-s split-window -v "zsh -ic 'sess switch'"
bind-key C-l split-window -v "zsh -ic 'sess choose'"

This runs zsh in script mode using an interactive shell so that it loads your ZSH plugins (like session-sauce). Otherwise it's likely that sess won't be on your path, or that your SESS_PROJECT_ROOT won't be set.

If your login shell is quite slow to start up, you may want to use simply zsh -c and explicitly source only the session-sauce script, but I'll leave that up to you.

Usage

Smart session switch

$ sess switch [query]

Interactively select a session from a list of your project directories (configured by SESS_PROJECT_ROOT) as well as all existing sessions.

This is the most versatile and useful command. Running simply sess will be expanded to sess switch

An optional query can be provided to pre-fill the fzf window. If there is only one match for the query the result will be selected automatically.

Explicitly create a new session

$ sess new [session-name]

Normally you'll just use sess switch to create sessions, but sess new can be used to explicitly create new session in the current directory.

This can be useful for creating sessions for projects outside of SESS_PROJECT_ROOT.

If no session name is provided the directory name will be used

List all active sessions

$ sess list

List all the active sessions.

Choose an active session

$ sess choose [query]

Interactively select a session from a list of all active sessions. Unlike 'sess switch' this does NOT include projects from SESS_PROJECT_ROOT.

An optional query can be provided to pre-fill the fzf window. If there is only one match for the query the result will be selected automatically.

Kill an active session

$ sess kill [query]

Interactively select a session from a list of all active sessions to kill.

An optional query can be provided to pre-fill the fzf window.

Use Tab to select multiple sessions to kill.

Version

$ sess version

Display the currently installed version of sess.

Help

$ sess help

Displays this usage info.