/
tmux.nix
181 lines (144 loc) · 5.13 KB
/
tmux.nix
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{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) stdenv;
cfg = config.programs.tmux;
tmux = pkgs.runCommand pkgs.tmux.name
{ buildInputs = [ pkgs.makeWrapper ]; }
''
source $stdenv/setup
mkdir -p $out/bin
makeWrapper ${pkgs.tmux}/bin/tmux $out/bin/tmux \
--set __ETC_BASHRC_SOURCED "" \
--set __ETC_ZPROFILE_SOURCED "" \
--set __ETC_ZSHENV_SOURCED "" \
--set __ETC_ZSHRC_SOURCED "" \
--set __NIX_DARWIN_SET_ENVIRONMENT_DONE "" \
--add-flags -f --add-flags /etc/tmux.conf
'';
text = import ../lib/write-text.nix {
inherit lib;
mkTextDerivation = name: text: pkgs.writeText "tmux-options-${name}" text;
};
tmuxOptions = concatMapStringsSep "\n" (attr: attr.text) (attrValues cfg.tmuxOptions);
fzfTmuxSession = pkgs.writeScript "fzf-tmux-session" ''
#! ${stdenv.shell}
set -e
session=$(tmux list-sessions -F '#{session_name}' | fzf --query="$1" --exit-0)
tmux switch-client -t "$session"
'';
in
{
imports = [
(mkRenamedOptionModule [ "programs" "tmux" "tmuxConfig" ] [ "programs" "tmux" "extraConfig" ])
];
options = {
programs.tmux.enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc "Whether to configure tmux.";
};
programs.tmux.enableSensible = mkOption {
type = types.bool;
default = false;
example = true;
description = lib.mdDoc "Enable sensible configuration options for tmux.";
};
programs.tmux.enableMouse = mkOption {
type = types.bool;
default = false;
example = true;
description = lib.mdDoc "Enable mouse support for tmux.";
};
programs.tmux.enableFzf = mkOption {
type = types.bool;
default = false;
example = true;
description = lib.mdDoc "Enable fzf keybindings for selecting tmux sessions and panes.";
};
programs.tmux.enableVim = mkOption {
type = types.bool;
default = false;
example = true;
description = lib.mdDoc "Enable vim style keybindings for copy mode, and navigation of tmux panes.";
};
programs.tmux.iTerm2 = mkOption {
type = types.bool;
default = false;
example = true;
description = lib.mdDoc "Cater to iTerm2 and its tmux integration, as appropriate.";
};
programs.tmux.defaultCommand = mkOption {
type = types.either types.str types.package;
description = lib.mdDoc "The default command to use for tmux panes.";
};
programs.tmux.tmuxOptions = mkOption {
internal = true;
type = types.attrsOf (types.submodule text);
default = {};
};
programs.tmux.extraConfig = mkOption {
type = types.lines;
default = "";
description = lib.mdDoc "Extra configuration to add to {file}`tmux.conf`.";
};
};
config = mkIf cfg.enable {
warnings = mkIf cfg.iTerm2 [
"The programs.tmux.iTerm2 is no longer needed and doesn't do anything anymore"
];
environment.systemPackages =
[ # Include wrapped tmux package.
tmux
];
environment.etc."tmux.conf".text = ''
${tmuxOptions}
${cfg.extraConfig}
source-file -q /etc/tmux.conf.local
'';
programs.tmux.defaultCommand = mkDefault config.environment.loginShell;
programs.tmux.tmuxOptions.login-shell.text = ''
set -g default-command "${cfg.defaultCommand}"
'';
programs.tmux.tmuxOptions.sensible.text = mkIf cfg.enableSensible ''
set -g default-terminal "screen-256color"
setw -g aggressive-resize on
set -g base-index 1
set -g renumber-windows on
set -g status-keys emacs
set -s escape-time 0
bind c new-window -c '#{pane_current_path}'
bind % split-window -v -c '#{pane_current_path}'
bind '"' split-window -h -c '#{pane_current_path}'
# TODO: make these interactive
bind C new-session
bind S switch-client -l
# set -g status-utf8 on
# set -g utf8 on
'';
programs.tmux.tmuxOptions.mouse.text = mkIf cfg.enableMouse ''
set -g mouse on
setw -g mouse on
set -g terminal-overrides 'xterm*:smcup@:rmcup@'
'';
programs.tmux.tmuxOptions.fzf.text = mkIf cfg.enableFzf ''
bind-key -n M-p run "tmux split-window -p 40 -c '#{pane_current_path}' 'tmux send-keys -t #{pane_id} \"$(fzf -m | paste -sd\\ -)\"'"
bind-key -n M-s run "tmux split-window -p 40 'tmux send-keys -t #{pane_id} \"$(${fzfTmuxSession})\"'"
'';
programs.tmux.tmuxOptions.vim.text = mkIf cfg.enableVim (''
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind s split-window -v -c '#{pane_current_path}'
bind v split-window -h -c '#{pane_current_path}'
bind-key -T copy-mode-vi p send-keys -X copy-pipe-and-cancel "tmux paste-buffer"
bind-key -T copy-mode-vi v send-keys -X begin-selection
'' + optionalString stdenv.isLinux ''
bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel
'' + optionalString stdenv.isDarwin ''
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
'');
};
}