224 lines
9.6 KiB
Plaintext
224 lines
9.6 KiB
Plaintext
################################################################################
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#### Unbreak things
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# Prevent tmux from messing up keybindings and colors.
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# This is witchcraft, I have no explanation for the following commands.
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set-option -g xterm-keys on
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set-window-option -g xterm-keys on
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set-option -g default-terminal "xterm-256color"
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# Prevent tmux from waiting half a second before processing the ESC key, see:
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# http://unix.stackexchange.com/a/25638/176805
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set-option -s escape-time 0
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# Enable proper mouse support:
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# http://www.hamvocke.com/blog/a-guide-to-customizing-your-tmux-conf/
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set-option -g mouse on
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bind-key m set-option -g mouse on
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bind-key M set-option -g mouse off
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# The following line prevents a weird OS X problem that otherwise
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# keeps the "open" command from working (and has several other
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# undesirable properties; see issue #120). For more details on the
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# issue, see [1]-[5].
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#
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# The exact version of the solution below is the only way I have found
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# to satisfy all of the following properties:
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#
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# * It fixes the problem, i.e. "open" works correctly.
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#
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# * When opening a new window in tmux, the window name is correctly
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# set to zsh initially. It does not briefly flash
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# "reattach-to-user-namespace", and it does not display
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# "/usr/local/bin/zsh" either.
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#
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# * The "automatic-rename" property is still set to "on" in new tmux
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# windows, meaning that if you run another program, the window name
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# will change to reflect that (unless you manually rename the
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# window).
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#
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# * Exiting the shell (e.g. with Control+D) will immediately kill the
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# tmux window instead of dropping you into another shell.
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#
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# * It works for all shells, and doesn't hardcode any particular one.
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#
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# * It still works when reattach-to-user-namespace is unavailable.
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#
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# Yes, it's horrible. I think we can all agree on that, no need to
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# point it out.
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#
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# Unfortunately, tmux appears to be remarkably unintelligent when it
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# comes to determining the string to show as the window title.
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# Basically, about as unintelligent as shebang parsing, and anyone
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# involved in the virtualenv-can't-handle-spaces fiasco will know
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# that's pretty darn unintelligent. In particular, it grabs characters
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# literally from the beginning of the command string until it hits a
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# space, then discards until the first slash, if there is one. This
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# means it's impossible to quote the executable name, so if your shell
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# has spaces in its name, you're screwed. Making this whole fiasco
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# work for paths with double quotes in it is an exercise in futility,
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# I think.
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#
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# [1]: http://superuser.com/q/834525/326239
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# [2]: http://www.economyofeffort.com/2013/07/29/reattach-to-user-namespace-the-fix-for-your-tmux-in-os-x-woes/
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# [3]: https://www.elmund.io/osx/2015/07/10/open-command-in-osx-tmux/
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# [4]: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
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# [5]: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/issues/10
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run-shell 'command -v reattach-to-user-namespace > /dev/null && tmux set-option -g default-command "$SHELL -c \"reattach-to-user-namespace -l \\\"$(basename "$SHELL")\\\"\"" || true'
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################################################################################
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#### Keybindings
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# Use ` instead of C-b as prefix key, see:
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# http://www.hamvocke.com/blog/a-guide-to-customizing-your-tmux-conf/
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unbind-key C-b
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set-option -g prefix `
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bind-key ` send-prefix
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# Force tmux to use Emacs keybindings, see:
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# http://stackoverflow.com/q/18240683/3538165
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# http://stackoverflow.com/a/18247437/3538165
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set-option -g status-keys emacs
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set-window-option -g mode-keys emacs
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# Turn off repeatability for moving between panes. Otherwise, if you split
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# horizontally and switch panes, you will have to wait for the 'repeat period'
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# to expire before you can use <Up> and <Down> to page through shell history.
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#
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# Doing it this way instead of using 'set-option -g repeat-time 0' makes it
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# so that Control+Arrows and Meta+Arrows (for resizing panes) are still
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# repeatable.
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#
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# See: http://superuser.com/a/325579/326239
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bind-key Up select-pane -U
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bind-key Down select-pane -D
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bind-key Left select-pane -L
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bind-key Right select-pane -R
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# Keybinding for reloading .tmux.conf.
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bind-key R source-file ~/.tmux.conf
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# Keybinding for swapping the current and marked windows.
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bind-key \ swap-window
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# Keybindings for swapping adjacent windows.
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bind-key < swap-window -t -1
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bind-key > swap-window -t +1
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# Keybinding for inserting a window.
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# Adapted from http://superuser.com/a/704551/326239
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bind-key I command-prompt -p 'Insert window at:' ' \
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run-shell " \
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if tmux select-window -t %1; then \
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tmux new-window -a; \
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tmux swap-window -s %1 -t \$((%1+1)); \
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else \
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tmux new-window; \
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tmux move-window -t %1; \
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fi; \
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tmux select-window -t #{window_id}; \
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tmux select-window -t %1; \
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"'
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################################################################################
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#### Status bar
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# The following code is adapted from:
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# https://coderwall.com/p/trgyrq/make-your-tmux-status-bar-responsive
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# It provides the same appearance as https://github.com/powerline/powerline,
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# but sidesteps the environment/configuration hell which that project
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# introduces.
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# Format to display on the left-hand side of the status bar.
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# Note that the conditional #{?cond,true,false} operator does not do any
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# fancy parsing, so you can't have literal commas in the conditions --
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# this will cause the conditions to be split up. So we have to use multiple
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# style #[attr=value] directives.
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set-option -g status-left '#{?client_prefix,#[fg=colour254]#[bg=colour31],#[fg=colour16]#[bg=colour254]#[bold]} #{=80:session_name} #{?client_prefix,#[fg=colour31],#[fg=colour254]}#[bg=colour234,nobold] '
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# Maximum length of the format displayed on the left-hand side.
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# Since the maximum length of the session name is limited in the above
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# format string, this number is unimportant -- it just needs to be a
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# bit larger than what is allocated for the session name, to allow for
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# the surrounding characters.
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set-option -g status-left-length 90
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# Format to display on the right-hand side of the status bar.
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set-option -g status-right '#{?mouse,#[fg=colour254]#[bg=colour31],#[fg=colour244,bg=colour234]} Mouse #[fg=colour254,bg=colour234] #H'
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# Format to display for the current window.
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set-option -g window-status-current-format '#[fg=colour117,bg=colour31] #{window_index}#{window_flags} #[fg=colour231,bold]#(tmux display-message -p "#{pane_current_path}" | sed "s#$HOME#~#g") #{?#{m:*#{b:SHELL}*, #{pane_current_command}},,| #{pane_current_command} }#[fg=colour31,bg=colour234,nobold]'
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# Format to display for other windows.
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set-option -g window-status-format '#[fg=colour244,bg=colour234]#{window_index}#{window_flags} #[fg=colour249]#(tmux display-message -p "#{pane_current_path}" | sed "s#$HOME#~#g") #{?#{m:*#{b:SHELL}*, #{pane_current_command}},,| #{pane_current_command} }'
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# Background color for parts of the status bar not specified by the above
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# formats. For instance, the empty space to the right, and the single
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# spaces between instances of window-status-format.
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set-option -g status-bg colour234
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# Inhibit the default styling for windows with unseen activity, which
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# looks blatantly incorrect with the "powerline" theme we are trying to
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# emulate.
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set-window-option -g window-status-activity-attr none
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# Update the status bar every second, instead of the default 15(!)
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# seconds. It doesn't look like it's possible to update more than
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# once per second, unfortunately.
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set-option -g status-interval 1
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################################################################################
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#### Appearance
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# Attempt to set the title of the terminal emulator.
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set-option -g set-titles on
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set-option -g set-titles-string '#{session_name} - #{window_name}'
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# Show an indicator in the status bar on windows with unseen activity.
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set-option -g monitor-activity on
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# Make the borders of the current pane the same color as the borders
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# of other panes. This is because the borders of the marked pane are
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# *inverted*, and while different foreground colors in different parts
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# of the frame are not too objectionable, different background colors
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# look very bad.
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set-option -g pane-active-border-style none
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################################################################################
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#### Miscellaneous
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# When the current session is killed, switch to another session instead of
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# detaching.
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set-option -g detach-on-destroy off
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# Show messages until they are dismissed, instead of for 750 milliseconds(!).
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# Actually it is only for an hour, because it doesn't seem like you can turn
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# off the time limit.
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set-option -g display-time 36000000
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# Open new windows in the same directory as the current pane.
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bind-key c new-window -c "#{pane_current_path}"
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# Automatically renumber windows when one is deleted, see:
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# http://unix.stackexchange.com/a/51879/176805
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set-option -g renumber-windows on
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# Number windows and panes from 1, instead of 0; see:
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# http://unix.stackexchange.com/a/35932/176805
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set-option -g base-index 1
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set-window-option -g pane-base-index 1
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# Open new panes in the same directory as the current pane.
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bind-key % split-window -h -c "#{pane_current_path}"
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bind-key '"' split-window -v -c "#{pane_current_path}"
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# Increase the scrollback buffer size from 2000 to a larger size, but
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# not one so large that tmux begins to lag.
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set-option -g history-limit 10000
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################################################################################
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#### Local overrides
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if-shell "[[ -f ~/.tmux.local.conf ]]" "source ~/.tmux.local.conf"
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