easy-peasy installing font, directly from nerdfont

install-font-from-googlefont.sh

#!/bin/bash

# Set font installation directory
font_install_dir="$HOME/.local/share/fonts"

# List of popular Google Fonts available until September 2021
google_fonts=(
    "Work Sans"
    "Open Sans"
    "Roboto"
    "Lato"
    "Montserrat"
    "Source Sans Pro"
    "Raleway"
    "Noto Sans"
    "Poppins"
    "Ubuntu"
    # Add more options here
)

# Display Google Fonts options
echo "Select a Google Font option:"
select font_option in "${google_fonts[@]}"; do
    if [[ " ${google_fonts[@]} " =~ " ${font_option} " ]]; then
        chosen_font_name="$font_option"
        break
    else
        echo "Invalid selection. Please choose a valid option."
    fi
done

# Convert the selected font name to kebab-case
font_dir_name="$(echo "$chosen_font_name" | tr ' ' '-' | tr '[:upper:]' '[:lower:]')"

# Construct the direct download link using provided API
variants="100,200,300,500,600,700,800,900,100italic,200italic,300italic,regular,italic,500italic,600italic,700italic,800italic,900italic"
direct_download_url="https://gwfh.mranftl.com/api/fonts/$font_dir_name?download=zip&subsets=latin,latin-ext&variants=$variants&formats=ttf"

# Create a new directory for the font
font_dir="$font_install_dir/$font_dir_name"
mkdir -p "$font_dir"

# Download the font files using direct download link if not already downloaded
if [ ! -f "$font_dir/$font_dir_name.zip" ]; then
    curl -o "$font_dir/$font_dir_name.zip" "$direct_download_url"
fi

# Extract the downloaded font files if not already extracted
if [ ! -d "$font_dir/$font_dir_name" ]; then
    unzip -o "$font_dir/$font_dir_name.zip" -d "$font_dir"
fi

# Rebuild the font cache
fc-cache -fv

echo "Google Font '$chosen_font_name' downloaded and installed, and font cache rebuilt."