nixos/home/modules/tmux-sessionizer.nix

76 lines
1.9 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.snowhawk.tmux.sessionizer;
tmuxCfg = config.snowhawk.tmux;
enable = cfg.enable && tmuxCfg.enable;
in
{
options = {
snowhawk.tmux.sessionizer = {
enable = lib.mkEnableOption "tmux-sessionizer home-manager module";
paths = lib.mkOption {
type = with lib.types; listOf str;
description = ''
list of paths to select with tmux-sessionizer
'';
default = [ ];
example = [
"~"
"~/projects"
"~/src"
];
};
pkg = lib.mkOption {
type = lib.types.package;
description = ''
tmux-sessionizer binary package
'';
};
};
};
config = lib.mkIf enable {
snowhawk.tmux.sessionizer.pkg =
let
tmux = "${pkgs.tmux}/bin/tmux";
pgrep = "${pkgs.procps}/bin/pgrep";
basename = "${pkgs.coreutils}/bin/basename";
tr = "${pkgs.coreutils}/bin/tr";
fzf = "${pkgs.fzf}/bin/fzf";
find = "${pkgs.findutils}/bin/find";
in
lib.mkDefault (pkgs.writeShellScriptBin "tmux-sessionizer" ''
if [[ $# -eq 1 ]]; then
selected=$1
else
selected=$(${find} -L ${lib.concatStringsSep " " cfg.paths} -mindepth 1 -maxdepth 1 -type d | ${fzf})
fi
if [[ -z $selected ]]; then
exit 0
fi
selected_name=$(${basename} "$selected" | ${tr} . _)
tmux_running=$(${pgrep} tmux)
if [[ -z $TMUX ]] && [[ -z $tmux_running ]]; then
${tmux} new-session -s "$selected_name" -c "$selected"
exit 0
fi
if ! ${tmux} has-session -t="$selected_name" 2>/dev/null; then
${tmux} new-session -ds "$selected_name" -c "$selected"
fi
${tmux} switch-client -t "$selected_name"
'');
home.packages = [ cfg.pkg ];
};
}