My fish shell config for ArchWSL.

config.fish

#------------------------------------------------------------------------------#
# Remove start message
set fish_greeting
#------------------------------------------------------------------------------#
# WSL Setttings
set -gx DISPLAY $(grep -m 1 nameserver /etc/resolv.conf | awk '{print $2}'):0.0
set -gx LIBGL_ALWAYS_INDIRECT 1
#------------------------------------------------------------------------------#
# Docker Settings
set -gx DOCKER_BUILDKIT 1

function docker-reset
    docker system prune -a --volumes
end
#------------------------------------------------------------------------------#
# Ngrok Settings

function ngrok-start
    sudo systemctl restart sshd.service

    echo "Start ssh-access ngrok in background..."
    nohup ngrok start ssh-access &>/dev/null &

    echo "Extracting ngrok port..."

    while [ -z "$NGROK_PUBLIC_URL" ];
    sleep 1sec

    # Run 'curl' against ngrok API and extract public (using 'sed' command)
    set NGROK_PUBLIC_URL = $(curl --silent --max-time 10 --connect-timeout 5 \
                            --show-error http://127.0.0.1:4040/api/tunnels | \
                            sed -nE 's/.*ngrok.i..([^"]*).*/\1/p')
    end

    echo "ngrok port => $NGROK_PUBLIC_URL"
end

function ngrok-stop
    echo "Stopping background ngrok process..."
    sudo kill -9 $(ps -ef | grep 'ngrok' | grep -v 'grep' | awk '{print $2}')
    echo "ngrok stopped"
end
#------------------------------------------------------------------------------#
# Rust Settings
set -gx PATH $PATH /home/fcsest/.cargo/bin

# Rust functions aliases
alias cat="bat --style=auto"
alias du="dust"
alias find="fd"
alias grep="ripgrep"
alias ls="exa --icons -la"
alias ps="procs --sortd cpu"
alias tldr="tealdeer"
#------------------------------------------------------------------------------#
# TMUX Settings
set -gx DISABLE_AUTO_TITLE true

# TMUX Functions
function tmux-start
    tmux new-session -d -s $USER >/dev/null
    tmux rename-window -t $USER:1 'monitoring'
    tmux splitw -h -p 36 -t $USER:1.1
    tmux send-keys -t $USER:1.1 'htop' Enter
    tmux send-keys -t $USER:1.2 'ytop' Enter
    tmux select-pane -t $USER:1.1
    tmux new-window -t $USER
    tmux rename-window -t $USER:2 'docker'
    tmux splitw -v -p 64 -t $USER:2.1
    tmux send-keys -t $USER:2.1 'docker-start' Enter
    tmux send-keys -t $USER:2.2 'docker ps'
    tmux select-pane -t $USER:2.2
    tmux new-window -t $USER
    tmux rename-window -t $USER:3 'terminals'
    tmux select-pane -t $USER:3.1
    tmux attach -t $USER
end

function tmux-stop
    tmux kill-server
end
#------------------------------------------------------------------------------#
# Others settings

# ASDF fish settings
source /opt/asdf-vm/asdf.fish

# Set default editor and term as VSCode
if status is-interactive
    set -gx EDITOR code
    set -gx TERM_PROGRAM vscode
end

# Aliases for arch update
alias updt="sudo pacman -Syyuu"
alias updty="sudo pacman -Syyuu --noconfirm"

# TimeZone Config
set -gx TZ America/Sao_Paulo

# Environment variables
set -gx GITHUB_PAT ''
#------------------------------------------------------------------------------#