os/modules/terminal-life/bash/default.nix

{
  config,
  flake,
  pkgs,
  ...
}: let
  psCfg = config.pub-solar;
  xdg = config.home-manager.users."${psCfg.user.name}".xdg;
in {
  enable = true;

  historyControl = ["ignoredups" "ignorespace"];
  historyFileSize = 300000;

  # Run when initializing a login shell
  profileExtra = if config.programs.sway.enable then ''
    [ "$(tty)" = "/dev/tty1" ] && exec systemd-cat --identifier=sway ${pkgs.sway}/bin/sway
  '' else "";

  # Run when initializing an interactive shell
  initExtra = ''
    # Use fzf's CTRL-R history widget
    source ${pkgs.fzf}/share/fzf/key-bindings.bash
    # Show current directory at the top in Alacritty
    PROMPT_COMMAND='echo -e -n "\e]2;$(basename "$PWD" | sed "s/${psCfg.user.name}/~/")\e\\"'

    # Used for git aliases defined in modules/terminal-life/git/default.nix
    export REVIEW_BASE=main

    # If a command is not found, show me where it is
    source ${pkgs.nix-index}/etc/profile.d/command-not-found.bash

    # Helps you navigate directories faster
    # https://github.com/gsamokovarov/jump
    eval "$(${pkgs.jump}/bin/jump shell --bind=z)"

    eval "$(${pkgs.direnv}/bin/direnv hook bash)"

    bind 'set show-all-if-ambiguous on'

    # Syntax highlighting, auto suggestions, vim modes, etc.
    # https://github.com/akinomyoga/ble.sh/wiki/Manual-A1-Installation#user-content-nixpkgs
    source "$(blesh-share)"/ble.sh --attach=none
    # ctrl + space to accept autocomplete suggestion
    ble-bind -m 'auto_complete' -f 'C-@' 'auto_complete/insert-on-end'
    # Meta (Alt) + Backspace to delete a word
    ble-bind -m 'vi_imap' -f 'M-C-?' 'kill-backward-cword'
    # Meta (Alt) + p to jump one word backwards
    ble-bind -m 'vi_imap' -f M-p '@nomarked backward-uword'
    ble-bind -m 'vi_imap' -f M-left '@nomarked backward-uword'
    # Meta (Alt) + n to jump one word forwards
    ble-bind -m 'vi_imap' -f M-n '@nomarked forward-uword'
    ble-bind -m 'vi_imap' -f M-right '@nomarked forward-uword'
    # Arrow up and Ctrl + p searches history for entered input
    ble-bind -m 'vi_imap' -f up 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
    ble-bind -m 'vi_imap' -f C-p 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
    # Arrow down and Ctrl + n searches history for entered input
    ble-bind -m 'vi_imap' -f down 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'
    ble-bind -m 'vi_imap' -f C-n 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'

    ble-face region_insert='fg=black,bg=navy'

    function my/complete-load-hook {
      bleopt complete_auto_delay=250
    }
    blehook/eval-after-load complete my/complete-load-hook

    bleopt exec_elapsed_mark=
    bleopt exec_errexit_mark=
    bleopt filename_ls_colors="$LS_COLORS"

    bleopt complete_menu_style=desc

    # Bash vim mode keybindings
    if [[ $- == *i* ]]; then # in interactive session
      set -o vi
    fi

    # Don't show a mode name in the normal mode
    function ferdinandyb/set-up-mode-indicator {
      # Define \q{ferdinandyb/mode-indicator}
      function ble/prompt/backslash:ferdinandyb/mode-indicator {
        if local mode; ble/keymap:vi/script/get-mode; [[ $mode != i ]]; then
          # call the built-in mode indicator
          ble/prompt/process-prompt-string '\q{keymap:vi/mode-indicator}'
        fi
      }

      # Specify \q{ferdinandyb/mode-indicator} in the mode-indicator prompt
      bleopt prompt_vi_mode_indicator='\q{ferdinandyb/mode-indicator}'

      # In case you would like to show "-- NORMAL --" instead of "~"
      bleopt keymap_vi_mode_string_nmap=$'\e[1m-- NORMAL --\e[m'
    }
    blehook/eval-after-load keymap_vi ferdinandyb/set-up-mode-indicator

    function blerc/vim-mode-hook {
      # Write your settings for vi/vim mode here
      ble-bind -m vi_imap -f 'ENTER' 'vi_imap/complete'
      ble-bind -m vi_imap -f 'TAB' 'vi_imap/complete'

      ble-bind -m vi_imap -f 'j j' 'vi_imap/normal-mode'
      ble-bind -m vi_imap -f 'ESC' 'vi_imap/normal-mode'

      ble-bind -m vi_nmap -f 'h' 'vi_nmap/insert-mode'
      ble-bind -m vi_nmap -f 'i' 'vi-command/backward-line'
      ble-bind -m vi_nmap -f 'j' 'vi-command/backward-char'
      ble-bind -m vi_nmap -f 'k' 'vi-command/forward-line'
      ble-bind -m vi_nmap -f 'l' 'vi-command/forward-char'

      ble-bind -m vi_imap -f 'C-c' discard-line

    }
    blehook/eval-after-load keymap_vi blerc/vim-mode-hook

    # end of .bashrc
    # Somehow we need to ensure starship starts later than ble.sh
    # (possible packaging issue?)
    # https://github.com/akinomyoga/ble.sh/issues/333
    eval "$(${pkgs.starship}/bin/starship init bash)"

    [[ ''${BLE_VERSION-} ]] && ble-attach
  '';

  shellAliases = {
    nano = "nvim";
    vi = "nvim";
    vim = "nvim";
    mutt = "neomutt";
    ls = "eza";
    la = "eza --group-directories-first -lag";
    wget = "wget --hsts-file=$XDG_CACHE_HOME/wget-hsts";
    irssi = "irssi --config=$XDG_CONFIG_HOME/irssi/config --home=$XDG_DATA_HOME/irssi";
    drone = "DRONE_TOKEN=$(secret-tool lookup drone token) drone";
    no = "manix \"\" | grep '^# ' | sed 's/^# \(.*\) (.*/\1/;s/ (.*//;s/^# //' | fzf --preview=\"manix '{}'\" | xargs manix";
    # fix nixos-option
    nixos-option = "nixos-option -I nixpkgs=${flake.self}/lib/compat";
    myip = "dig +short myip.opendns.com @208.67.222.222 2>&1";
    nnn = "nnn -d -e -H -r";
    tmate = ''tmate -f "''${XDG_CONFIG_HOME}/tmate/tmate.conf"'';
  };
}