This script can download and update the Cursor.sh text editor in Linux on x64 systems. You might need to have an `Applications` folder inside your `$HOME` to work. This is very unstable and can break at any time if the Cursor devs change the download links of some stuff.

Cursor-Desktop-Linux-x64-Installer-Updater.sh

#!/bin/bash

readonly RED_COLOR="\e[31m"
readonly GREEN_COLOR="\e[32m"
readonly YELLOW_COLOR="\e[33m"
readonly RESET_COLOR="\e[0m"

readonly APP_DIR="$HOME/Applications"
readonly ICON_DIR="$HOME/.local/share/icons"
readonly ICON_URL="https://cursor.sh/brand/icon.svg"
readonly DESKTOP_FILE_PATH="$HOME/.local/share/applications/cursor.desktop"
readonly DOWNLOAD_LINK="https://download.cursor.sh/linux/appImage/x64"
readonly SYMLINK_PATH="$HOME/Applications/cursor.AppImage"

cursor_appimage_path=""
cursor_icon_path=""

print_step() {
        echo -e "${YELLOW_COLOR}$1${RESET_COLOR}"
}

print_success() {
        echo -e "  ✅ $1"
}

error_exit() {
        echo -e "  ❌ ${RED_COLOR}$1${RESET_COLOR}" >&2
        exit 1
}

check_dependencies() {
        print_step "Checking the dependencies"
        for cmd in curl chmod find mkdir; do
                if ! command -v "$cmd" >/dev/null 2>&1; then
                        error_exit "This script requires $cmd, but it's not installed. Aborting."
                fi
        done
        print_success
}

fetch_app_path() {
        print_step "Fetching the latest cursor.sh AppImage path"
        local appimage_files=($(find "$APP_DIR" -name "cursor-*.AppImage"))
        local appimage_file_count=${#appimage_files[@]}
        if [ "$appimage_file_count" -eq 0 ]; then
                error_exit "No cursor.sh AppImage files found in $APP_DIR"
        fi
        cursor_appimage_path=${appimage_files[0]}
        print_success "$cursor_appimage_path"
}

fetch_newest_appimage() {
        print_step "Fetching the latest cursor.sh x64 AppImage"
        wget --content-disposition "$DOWNLOAD_LINK"

        cursor_appimage_path=$(find . -maxdepth 1 -name 'cursor*.AppImage' | head -n 1)
        if [ -z "$cursor_appimage_path" ]; then
                error_exit "The downloaded cursor AppImage file could not be found."

	mv "$cursor_appimage_path" "$APP_DIR"
	local bname=($(basename "$cursor_appimage_path"))
	cursor_appimage_path="$APP_DIR/$bname"
	ln -sf "$cursor_appimage_path" "$SYMLINK_PATH"
}

download_logo() {
	print_step "Downloading the logo"
	cursor_icon_path="$ICON_DIR/cursor-icon.svg"
	mkdir -p "$ICON_DIR"
	if ! curl -s -o "$cursor_icon_path" "$ICON_URL"; then
		error_exit "Failed to download the logo from $ICON_URL"
	fi
	print_success "$cursor_icon_path"
}

create_desktop_file() {
	print_step "Creating the .desktop file"
	cat <<-EOF >"$DESKTOP_FILE_PATH"
		[Desktop Entry]
		Type=Application
		Name=Cursor
		Exec=$cursor_appimage_path
		Icon=$cursor_icon_path
		Categories=Utility;Development
	EOF
	if [ $? -ne 0 ]; then
		error_exit "Failed to create the .desktop file"
	fi
	print_success "$DESKTOP_FILE_PATH"
}

make_executable() {
	print_step "Making the .desktop file executable"
	if ! chmod +x "$DESKTOP_FILE_PATH"; then
		error_exit "Failed to make the .desktop file executable"
	fi
	print_success
}

mkdir -p $APP_DIR
check_dependencies
fetch_newest_appimage
# fetch_app_path
download_logo
create_desktop_file
make_executable

update-desktop-database ~/.local/share/applications

echo -e "${GREEN_COLOR}All set, Cursor should now be available in your app launcher with a fancy icon.${RESET_COLOR}"
echo "Press any key to exit..."
read -n 1 -s