Installs Zellij and btop with custom MacOS keybindings

install_zellij_btop.sh

#!/bin/bash

# Exit immediately if a command exits with a non-zero status
set -e

# Variables
zellij_version="0.40.1"
btop_version="1.3.2"

zellij_file="zellij-${zellij_version}.tar.gz"
zellij_url="https://github.com/zellij-org/zellij/releases/download/v${zellij_version}/zellij-x86_64-unknown-linux-musl.tar.gz"

btop_file="btop-${btop_version}.tbz"
btop_url="https://github.com/aristocratos/btop/releases/download/v${btop_version}/btop-x86_64-linux-musl.tbz"

# Pre-requisites
sudo dnf install -y wget make bzip2 > /dev/null

echo "-> Installing Zellij..."
wget -q -O ${zellij_file} ${zellij_url}
tar -xvzf ${zellij_file} > /dev/null
sudo mv zellij /usr/local/bin/ > /dev/null
sudo ln -sf /usr/local/bin/zellij /usr/sbin/zellij > /dev/null
rm -rf ${zellij_file} > /dev/null
mkdir -p ~/.config/zellij > /dev/null

# Configure Zellij with Tokyo Night theme and custom keybindings
cat << EOF >> ~/.config/zellij/config.kdl
// pane_frames false

themes {
    tokyo-night {
        fg 169 177 214
        bg 26 27 38
        black 56 62 90
        red 249 51 87
        green 158 206 106
        yellow 224 175 104
        blue 122 162 247
        magenta 187 154 247
        cyan 42 195 222
        white 192 202 245
        orange 255 158 100
    }
}
theme "tokyo-night"
default_layout "compact"

keybinds {
  normal {}

  locked {
    bind "Alt g" { SwitchToMode "Normal"; }
  }

  move {
    bind "Alt v" { SwitchToMode "Normal"; }
  }

  pane {
    bind "Alt a" { SwitchToMode "Normal"; }
  }

  resize {
    bind "Alt z" { SwitchToMode "Normal"; }
  }

  scroll {
    bind "Alt s" { SwitchToMode "Normal"; }
  }

  session {
    bind "Alt w" { SwitchToMode "Normal"; }
    bind "Alt s" { SwitchToMode "scroll"; }
  }

  tab {
    bind "Alt b" { SwitchToMode "Normal"; }
  }

  shared_except "locked" {
    unbind "Ctrl h" // was Move, now Alt-v
    unbind "Ctrl o" // was Session, now Alt-w
    unbind "Ctrl s" // was Scroll, now Alt-s
    unbind "Ctrl n" // was Resize, now Alt-z
    unbind "Ctrl p" // was Pane, now Alt-a
    unbind "Ctrl t" // was Tab, now Alt-b
    unbind "Ctrl g" // was Locked, now Alt-g
    unbind "Ctrl q" // was Quit, now Alt-q
    bind "Alt g" { SwitchToMode "locked"; }
    bind "Alt q" { Quit; }
    bind "Alt t" { NewTab; }
    bind "Alt d" { NewPane "down";}
    bind "Alt r" { NewPane "right"; }
    bind "Alt f" { ToggleFloatingPanes; }
    bind "Alt 1" { GoToTab 1; }
    bind "Alt 2" { GoToTab 2; }
    bind "Alt 3" { GoToTab 3; }
    bind "Alt 4" { GoToTab 4; }
    bind "Alt 5" { GoToTab 5; }
    bind "Alt 6" { GoToTab 6; }
    bind "Alt 7" { GoToTab 7; }
    bind "Alt 8" { GoToTab 8; }
    bind "Alt 9" { GoToTab 9; }
    bind "Alt 0" { GoToTab 10; }
  }

  shared_except "move" "locked" {
    bind "Alt v" { SwitchToMode "move"; }
  }

  shared_except "pane" "locked" {
    bind "Alt a" { SwitchToMode "pane"; }
  }

  shared_except "resize" "locked" {
    bind "Alt z" { SwitchToMode "resize"; }
  }

  shared_except "scroll" "locked" {
    bind "Alt s" { SwitchToMode "scroll"; }
  }

  shared_except "session" "locked" {
    bind "Alt w" { SwitchToMode "session"; }
  }

  shared_except "tab" "locked" {
    bind "Alt b" { SwitchToMode "tab"; }
  }
}
EOF

echo "-> Zellij $(zellij --version) installed!"
sleep 2

echo "-> Installing btop..."
wget -q -O ${btop_file} ${btop_url}
tar -xvjf ${btop_file} > /dev/null
pushd btop > /dev/null
sudo ./install.sh > /dev/null
popd > /dev/null
rm -rf ./btop
sudo ln -sf /usr/local/bin/btop /usr/sbin/btop > /dev/null
echo "-> btop $(btop --version) installed!"

echo "-> All Done!"