getnf
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363
scripts/getnf
Executable file
363
scripts/getnf
Executable file
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#!/bin/bash
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# shellcheck disable=SC2164
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# Defining variables
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PREFIX='/data/data/com.termux/files/usr'
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nerdfontsrepo='https://api.github.com/repos/ryanoasis/nerd-fonts'
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dist_dir="$PREFIX/share/termux-nf/fonts"
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down_dir="$HOME/share/termux-nf/Downloads"
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cache_dir="/data/data/com.termux/cache"
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TERMUX_DIR="$HOME/.termux/font.ttf"
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# Set the name of the file to store the release number
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release_file="$cache_dir/release.txt"
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# Define a file for the installed fonts names to be stored in
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installed_fonts_file="$cache_dir/installed.txt"
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aFontInstalled="False"
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keepZipFiles="False"
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update_fonts="False"
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force_update="False"
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# Set colors
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RED=$(tput setaf 1)
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GREEN=$(tput setaf 2)
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RESET=$(tput sgr0)
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# Help message
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usage() {
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cat << EOF
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Termux-NF: A Better way to install NerdFonts on Termux
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Usage:
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getnf [options]
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OPTIONS:
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-h print this help message and exit
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-f force reinstall an already installed font
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-k keep the downloaded fonts zip files
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-i <font> directly install the specified fonts
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To install fonts using the menu:
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- Choose one or more fonts (by index/number) to install
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- Hit Return/Enter to install the selected fonts
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- Type 'q' to quit
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To install fonts directly:
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- Get the exact name of a font from the menu
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- Use 'getnf -i "<font-name>"' to install a font
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- Use 'getnf -i "<name1>,<name2>"' to install multiple fonts
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EOF
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}
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info() {
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printf "%s\n" "$1"
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}
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confirm() {
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printf "${GREEN}%b${RESET}\n" "$1"
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}
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alert() {
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printf "${RED}%b${RESET}\n" "$1"
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}
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error() {
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alert "$1" >&2
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exit 1
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}
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ensure_installed() {
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if ! command -v "$1" > /dev/null; then
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error "Dependency $1 is not installed on your system."
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fi
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}
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create_dir() {
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if [[ -d "$1" ]]; then
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info "$2 directory exists, good."
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else
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mkdir -p "$1"
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confirm "Created the $2 directory."
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fi
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}
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check_dependencies() {
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# Check if dependencies exist
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ensure_installed unzip
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ensure_installed curl
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# Check if the distDir and downDir exist, if they don't, create them
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create_dir "$dist_dir" "Fonts"
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create_dir "$down_dir" "Fonts Download"
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[[ -d "$cache_dir" ]] || mkdir -p "$cache_dir"
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}
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handle_release_version() {
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# Get the local release version
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[[ -f "$release_file" ]] && cached_release=$(cat "$release_file")
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# Get the latest release number from NerdFonts github repo
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release=$(curl --silent "$nerdfontsrepo/releases/latest" |
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awk -v RS=',' -F'"' '/tag_name/ {print $4}')
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# Compare the latest release number with the cached release number
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if [[ "$release" != "$cached_release" ]]; then
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update_fonts=True
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# Update the cached release number
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echo "$release" > "$release_file"
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fi
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}
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download_font() {
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info "$1 download started..."
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curl -LJO# "https://github.com/ryanoasis/nerd-fonts/releases/download/$release/$1.zip"
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confirm "$1 download finished"
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}
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extract_font() {
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info "$1 installation started..."
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unzip -qqo "$1.zip" -d "$dist_dir/$1"
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confirm "$1 installation finished"
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}
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remove_zip_files() {
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info "Removing downloaded zip files from $down_dir..."
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for font in "${SELECTED_FONTS[@]}"; do
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rm "$down_dir/$font.zip"
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done
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confirm "Downloaded zip files removal succeeded!"
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}
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install_font() {
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pushd "$down_dir" > /dev/null
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# Remove the zip file of the download font if it exists due to curl not having an overwrite function
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if [[ -f "$down_dir/$1.zip" ]]; then
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rm "$down_dir/$1.zip"
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fi
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download_font "$1" &&
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extract_font "$1" &&
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echo "$1" >> "$installed_fonts_file"
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aFontInstalled="True"
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popd > /dev/null
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}
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font_url_exists() {
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url="https://github.com/ryanoasis/nerd-fonts/releases/download/$release/$1.zip"
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curl --output /dev/null --silent --head --fail "$url" && return 0 || return 1
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}
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direct_install() {
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for font_name in $(echo "$1" | tr ',' ' '); do
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if font_url_exists "$font_name"; then
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SELECTED_FONTS+=("$font_name")
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else
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error "Invalid font name: $font_name. Try again."
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fi
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done
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}
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post_install() {
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# Remove downloaded archives if the option -k was not passed
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if [[ "$keepZipFiles" == "False" ]]; then
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remove_zip_files
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else
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confirm "The downloaded zip files can be found in $down_dir"
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fi
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}
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menu() {
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local options=("$@")
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info "Select one or more fonts:"
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(
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for i in "${!options[@]}"; do
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printf "%d) %s\n" "$((i + 1))" "${options[$i]}"
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done
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printf "q) Quit\n"
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) | pr -3 -t -w "$(tput cols)"
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}
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# Parse input like 1-3
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parse_range() {
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if ! [[ $1 =~ ^[0-9]+-[0-9]+$ ]]; then
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alert "Invalid input format: $1. Expected format: X-Y."
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return 1
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fi
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IFS='-' read -ra range <<< "$1"
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range_start=${range[0]}
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range_end=${range[1]}
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for ((i = range_start; i <= range_end; i++)); do
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index=$((i - 1))
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if ((index >= 0 && index < ${#font_options[@]})); then
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SELECTED_FONTS[index]=${font_options[index]}
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else
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alert "Invalid option: $i. Try again."
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return 1
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fi
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done
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}
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menu_install() {
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# Download the file list and extract the font names
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font_list=$(curl -s "$nerdfontsrepo/contents/patched-fonts?ref=master" |
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awk -v RS=',' -F'"' '/name/ {print $4}')
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# Convert the list of fonts into an array of fonts
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declare -a all_fonts
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# Read the input string and populate the array
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#mapfile -t all_fonts <<< "$font_list"
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while IFS= read -r line; do
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all_fonts+=("$line")
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done <<< "$font_list"
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# Get the list of installed fonts
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if [[ -f "$installed_fonts_file" ]]; then
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installed_font_list=$(cat "$installed_fonts_file")
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# Convert the list of installed fonts into an array of fonts
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declare -a installed_fonts
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while IFS= read -r line; do
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installed_fonts+=("$line")
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done <<< "$installed_font_list"
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fi
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# Remove installed fonts from the list of all fonts if there is no new release
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# or if the user does not want to force the update
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if [[ "$update_fonts" == "False" && "$force_update" == "False" ]]; then
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declare -a font_options
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for font in "${all_fonts[@]}"; do
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if [[ " ${installed_fonts[*]} " != *" $font "* ]]; then
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font_options+=("$font")
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fi
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done
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else
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echo "" > "$installed_fonts_file"
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font_options=("${all_fonts[@]}")
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fi
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# Call the menu function to list the available fonts
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menu "${font_options[@]}"
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# Handle user input
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while true; do
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read -rp "Enter font number(s) (e.g. 1,2,3 or 1-3 or 1,3-5): " choices
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for choice in $(echo "$choices" | tr ',' ' '); do
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if [[ $choice == "q" ]]; then
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confirm "Goodbye!"
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exit
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# Choice is a range (e.g. 1-3)
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elif [[ $choice == *-* ]]; then
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parse_range "$choice" || continue 2
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elif ((choice >= 1 && choice <= ${#font_options[@]})); then
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index=$((choice - 1))
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SELECTED_FONTS[index]=${font_options[index]}
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else
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alert "Invalid option: $choice. Try again."
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continue 2
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fi
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done
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echo "Selected fonts: ${SELECTED_FONTS[*]}"
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break
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done
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}
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# Applying font on termux
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termux() {
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cd $dist_dir
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arrange_files() {
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# Check if any .ttf files exist
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if ls *.ttf 1>/dev/null 2>&1; then
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# List only .ttf files if they exist
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files=(*.ttf)
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else
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# Otherwise, list all files
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files=(*)
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fi
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# List the files numerically
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echo "${BLUE}List of Installed Fonts:${RESET}"
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for i in "${!files[@]}"; do
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echo "${BLUE}$((i+1)). ${files[$i]}${RESET}"
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done
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}
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# activating the function
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arrange_files
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select_file() {
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# Prompt the user to select a file
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read -p "${BLUE}Enter the number of the file:${RESET} " choice
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# Validate the user input
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if [[ $choice =~ ^[0-9]+$ ]] && [ $choice -ge 1 ] && [ $choice -le ${#files[@]} ]; then
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selected_file="${files[$((choice-1))]}"
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# Check if the selected file is a directory
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if [ -d "$selected_file" ]; then
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cd "$selected_file" || { echo "${RED}Failed to enter directory $selected_file"${RESET}; exit 1; }
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arrange_files # Arrange files in the selected directory
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select_file # Prompt the user to select a file again
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else
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cp "$selected_file" "$HOME/.termux/font.ttf" || { echo "${RED}Failed to apply font"${RESET}; exit 1; }
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echo "${GREEN}Font Applied.${RESET}"
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fi
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else
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echo "${RED}Invalid choice. Please enter a valid number.${RESET}"
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select_file
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fi
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}
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# activating the function
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select_file
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echo " ${BLUE}[${RED}*${BLUE}] ${BLUE}Reloading Settings..."
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am broadcast --user 0 -a com.termux.app.reload_style com.termux > /dev/null
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{ echo " ${BLUE}[${RED}*${BLUE}] ${GREEN}Applied Successfully."; echo; }
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}
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main() {
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# Setting flags
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while getopts ":hkfi:" option; do
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case "${option}" in
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h) usage && exit 0 ;;
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k) keepZipFiles="True" ;;
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f) force_update="True" ;;
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i) FONTNAMES="$OPTARG" ;;
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:) error "Option '-$OPTARG' requires at least one font name." ;;
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*) usage && exit 0 ;;
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esac
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done
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# Shift parsed options
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shift $((OPTIND - 1))
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check_dependencies
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handle_release_version
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# List of selected fonts
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declare -a SELECTED_FONTS
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# Put the selected fonts into the list
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if [[ -n "$FONTNAMES" ]]; then
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direct_install "$FONTNAMES"
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else
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menu_install
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fi
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# Loop over the selected fonts and download them
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if ((${#SELECTED_FONTS[@]} > 0)); then
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for i in "${SELECTED_FONTS[@]}"; do
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install_font "$i"
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done
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else
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error "No fonts were selected, exiting."
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fi
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# If a font was installed
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if [[ "$aFontInstalled" == "True" ]]; then
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post_install
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fi
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# To check if Termux is being used
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if [ $(ps -ef| grep -c com.termux) -gt 0 ]; then
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termux
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fi
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}
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main "$@"
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