{ pkgs, lib, config, ... }:
{
programs.bash = {
  enable = lib.mkDefault true;
  shellAliases = {
    cl = "clear";
    eic = "edit-in-commit";
    eigg = "edit-in-git-grep";
    emacs = "emacsclient --create-frame";
    g = "git";
    grep = "grep --color";
    j="sudo journalctl -u";
    jb="sudo journalctl -b";
    l = "ls -alh";
    ll = "ls -al";
    ls = "ls --color=tty";
    md-toc = "grep '^#\\+' --color";
    mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
    mem-top = "smem --sort rss --autosize";
    mpl = "mplayer";
    nixos-clean="sudo nix-collect-garbage -d";
    nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
    nixos-rollback="sudo nixos-rebuild switch --rollback";
    pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
    rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
    s="sudo systemctl";
    st="sudo systemctl status";
    u="systemctl --user";
    ut="systemctl --user status";
    yt = "yt-dlp";
    watch = "watch --color --differences";
    zfs-umount = "zfs-unmount";
  };
  initExtra = ''
    shopt -s globstar
    # Disable ctrl-s/ctrl-q flow control
    stty -ixon

    ibm-fan () {
      if [ $# -gt 0 ]
      then sudo tee /proc/acpi/ibm/fan <<<"level $1"
      else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
      fi
      acpi -t
    }
    mkcd () {
      mkdir -p "$1" &&
      cd "$1"
    }
    smartctl-tbw () {
      device=''${1:-/dev/sda}
      sudo smartctl -A $device |
      { awk '
        $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
        $0 ~ /Total_LBAs_Written/ {
            lbas = $10;
            bytes = $10 * 512;
            mb = bytes / 1024^2;
            gb = bytes / 1024^3;
            tb = bytes / 1024^4;
            printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
            printf "mean writes per hour:  / %.2f",  mb/poh
        }
        $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
        $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
      '; echo; } |
      sed -e 's:/:@:' |
      sed -e "s\$^\$$device @ \$" |
      column -ts@
    }
    swaplist () {
      lastpid=
      swap=0
      sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
      while IFS=: read -r file x size x
      do
        pid=''${file#/proc/}
        pid=''${pid%/smaps}
        size=''${size% kB}
        size=''${size##* }
        if test "$pid" = "$lastpid"
        then swap=$(( swap + size ))
        else
          if test "$swap" -gt 0
          then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
          fi
          if test "$pid" = self
          then break
          else
            lastpid=$pid
            swap=$size
          fi
        fi
      done |
      sort -nk1,1
    }
    edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
    edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
    zfs-mount () { for d in $(zfs list -rH -o name "$@"); do sudo zfs mount -l "$d"; done; }
    zfs-unmount () { sudo zfs unmount -u "$@"; }
  '';
  profileExtra = ''
  '';
};
programs.direnv.enableBashIntegration = true;
programs.broot.enableBashIntegration = true;
home.sessionVariables = {
  PS1 = ''\[\033[1;32m\]\[\e]0;\u@\h: \w\a\]\W\[\033[0m\] \$(e=\$?; if [ \$e != 0 ]; then echo '\[\e[0;91m\]'\$e'\[\e[0m\]'; fi)\$ '';
};
programs.readline = {
  enable = lib.mkDefault true;
  includeSystemConfig = true;
  bindings = {
    "\\eOF"    = "end-of-line";
    "\\eOH"    = "beginning-of-line";
    "\\e[1;5C" = "forward-word";
    "\\e[1;5D" = "backward-word";
    "\\e[1~"   = "beginning-of-line";
    "\\e[4~"   = "end-of-line";
    "\\e[5C"   = "forward-word";
    "\\e[5D"   = "backward-word";
    "\\e[7~"   = "beginning-of-line";
    "\\e[8~"   = "end-of-line";
    "\\e[A"    = "history-search-backward";
    "\\e[B"    = "history-search-forward";
    "\\e[F"    = "end-of-line";
    "\\e[H"    = "beginning-of-line";
    "\\e\\e[C" = "forward-word";
    "\\e\\e[D" = "backward-word";
  };
  variables = {
    colored-completion-prefix = lib.mkDefault true;
    colored-stats = lib.mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
    echo-control-characters = lib.mkDefault true;
    mark-symlinked-directories = lib.mkDefault true;
    menu-complete-display-prefix = lib.mkDefault true;
    show-all-if-ambiguous = lib.mkDefault true;
    show-all-if-unmodified = lib.mkDefault true;
    visible-stats = lib.mkDefault false; # Append char to indicate type
  };
};
}