setup.sh

#!/bin/bash
base_dir=$(cd "$(dirname "$0")" && pwd)
backup_dir="$base_dir/.backups.local"
backup_prefix="$backup_dir/$(date '+%Y%m%d%H%M%S')"

link_file() {
    local src=$1 dst=$2
    local backup_dst=false delete_dst=false link_dst=true
    if [[ -e $dst ]]; then
        current_link=$(readlink "$dst")
        if [[ "$current_link" != "$src" ]]; then
            while true; do
                printf "File already exists: %s. What do you want?\n" "$dst"
                printf "[r]eplace; [b]ack up; [s]kip: "
                read -r op
                case $op in
                    r )
                        delete_dst=true
                        link_dst=true
                        break;;
                    b )
                        backup_dst=true
                        delete_dst=true
                        link_dst=true
                        break;;
                    s )
                        link_dst=false
                        break;;
                    * )
                       echo "Unrecognized option: $op";;
               esac
            done
        else
            echo "$dst is already linked to $src"
            link_dst=false
        fi
    fi
    if [[ "$backup_dst" == "true" ]]; then
        mkdir -p "$backup_dir"
        local backup_file
        backup_file="$backup_prefix$(basename "$dst")"
        mv "$dst" "$backup_file"
        echo "$dst was backed up to $backup_file"
    fi
    if [[ "$delete_dst" == "true" ]]; then
        rm -rf "$dst"
    fi
    if [[ "$link_dst" == "true" ]]; then
        ln -s "$src" "$dst"
        echo "Linked $dst to $src"
        return 0
    fi
    return 1
}

echo "Setting up zsh..."
link_file "$base_dir/zsh/zshrc" ~/.zshrc

echo "Setting up neovim..."
mkdir -p ~/.config
link_file "$base_dir/nvim" ~/.config/nvim

echo "Setting up vim..."
if link_file "$base_dir/vim/vimrc" ~/.vimrc ; then
    vim +PlugInstall +qall
fi

echo "Setting up tmux..."
link_file "$base_dir/tmux" ~/.config/tmux

if [[ `uname` == "Darwin" ]]; then
    echo "Setting up Hammerspoon..."
    link_file "$base_dir/hammerspoon" ~/.hammerspoon
fi

echo "Setting up git..."
link_file "$base_dir/git" ~/.config/git

echo "Setting up WezTerm..."
link_file "$base_dir/wezterm" ~/.config/wezterm

echo "Done"