init

.zprezto/modules/tmux/README.md

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+Tmux
+====
+
+Defines [tmux][1] aliases and provides for auto launching it at start-up.
+
+Settings
+--------
+
+### Auto-Start
+
+Starts a tmux session automatically when Zsh is launched.
+
+To enable this feature when launching Zsh in a local terminal, add the
+following line to *zpreztorc*:
+
+    zstyle ':prezto:module:tmux:auto-start' local 'yes'
+
+To enable this feature when launching Zsh in a SSH connection, add the
+following line to *zpreztorc*:
+
+    zstyle ':prezto:module:tmux:auto-start' remote 'yes'
+
+In both cases, it will create a background session named _prezto_ if the tmux
+server is not started.
+
+With `auto-start` enabled, you may want to control how multiple sessions are
+managed. The `destroy-unattached` option of tmux controls if the unattached
+sessions must be kept alive, making sessions available for later use, configured
+in *tmux.conf*:
+
+    set-option -g destroy-unattached [on | off]
+
+#### iTerm2 Integration
+
+[iTerm2][6] offers significant integration with tmux. This can be enabled by
+adding the following line to *zpreztorc*:
+
+    zstyle ':prezto:module:tmux:iterm' integrate 'yes'
+
+Read [iTerm2 and tmux Integration][7] for more information.
+
+Aliases
+-------
+
+  - `tmuxa` attaches or switches to a tmux session.
+  - `tmuxl` lists sessions managed by the tmux server.
+
+Caveats
+-------
+
+On Mac OS X, launching tmux can cause the error **launch_msg(...): Socket is not
+connected** to be displayed, which can be fixed by installing
+[reattach-to-user-namespace][3], available in [Homebrew][4], and adding the
+following to *tmux.conf*:
+
+    set-option -g default-command "reattach-to-user-namespace -l $SHELL -l"
+
+Furthermore, tmux is known to cause **kernel panics** on Mac OS X. A discussion
+about this and Prezto has already been [opened][2].
+
+Authors
+-------
+
+*The authors of this module should be contacted via the [issue tracker][5].*
+
+  - [Sorin Ionescu](https://github.com/sorin-ionescu)
+  - [Colin Hebert](https://github.com/ColinHebert)
+  - [Georges Discry](https://github.com/gdiscry)
+  - [Xavier Cambar](https://github.com/xcambar)
+
+[1]: http://tmux.sourceforge.net
+[2]: https://github.com/sorin-ionescu/prezto/issues/62
+[3]: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
+[4]: https://github.com/mxcl/homebrew
+[5]: https://github.com/sorin-ionescu/prezto/issues
+[6]: http://iterm2.com
+[7]: https://gitlab.com/gnachman/iterm2/wikis/TmuxIntegration

.zprezto/modules/tmux/init.zsh

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+#
+# Defines tmux aliases and provides for auto launching it at start-up.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#   Colin Hebert <hebert.colin@gmail.com>
+#   Georges Discry <georges@discry.be>
+#   Xavier Cambar <xcambar@gmail.com>
+#
+
+# Return if requirements are not found.
+if (( ! $+commands[tmux] )); then
+  return 1
+fi
+
+#
+# Auto Start
+#
+
+if ([[ "$TERM_PROGRAM" = 'iTerm.app' ]] && \
+  zstyle -t ':prezto:module:tmux:iterm' integrate \
+); then
+  _tmux_iterm_integration='-CC'
+fi
+
+if [[ -z "$TMUX" && -z "$EMACS" && -z "$VIM" ]] && ( \
+  ( [[ -n "$SSH_TTY" ]] && zstyle -t ':prezto:module:tmux:auto-start' remote ) ||
+  ( [[ -z "$SSH_TTY" ]] && zstyle -t ':prezto:module:tmux:auto-start' local ) \
+); then
+  tmux start-server
+
+  # Create a 'prezto' session if no session has been defined in tmux.conf.
+  if ! tmux has-session 2> /dev/null; then
+    tmux_session='prezto'
+    tmux \
+      new-session -d -s "$tmux_session" \; \
+      set-option -t "$tmux_session" destroy-unattached off &> /dev/null
+  fi
+
+  # Attach to the 'prezto' session or to the last session used.
+  exec tmux $_tmux_iterm_integration attach-session
+fi
+
+#
+# Aliases
+#
+
+alias tmuxa="tmux $_tmux_iterm_integration new-session -A"
+alias tmuxl='tmux list-sessions'