diff --git a/lib/archive.rb b/lib/archive.rb
deleted file mode 100644
index d8fde1b..0000000
--- a/lib/archive.rb
+++ /dev/null
@@ -1,93 +0,0 @@
-require 'net/http'
-require 'uri'
-require 'open3'
-require 'fileutils'
-require 'open-uri'
-
-module Archive
-    MAGIC_NUMBERS = {
-        "\x1F\x8B" => 'gzip',
-        "\x50\x4B\x03\x04" => 'zip',
-        "\x28\xB5\x2F\xFD" => 'zstd',
-        "\xFD\x37\x7A\x58" => 'xz'
-    }
-
-    def self.detect_format_from_url(url)
-        case File.extname(url)
-        when '.gz', '.tgz' then 'gzip'
-        when '.zip' then 'zip'
-        when '.zst' then 'zstd'
-        when '.xz' then 'xz'
-        else nil
-        end
-    end
-
-    def self.detect_format_from_headers(uri)
-        response = Net::HTTP.get_response(uri)
-        content_type = response['content-type']
-        case content_type
-        when /gzip/ then 'gzip'
-        when /zip/ then 'zip'
-        when /zstd/ then 'zstd'
-        when /xz/ then 'xz'
-        else nil
-        end
-    end
-
-    def self.detect_format_from_magic(file_path)
-        File.open(file_path, 'rb') do |f|
-            bytes = f.read(4)
-            MAGIC_NUMBERS.each do |magic, format|
-            return format if bytes.start_with?(magic)
-            end
-        end
-        nil
-    end
-
-    def self.download_file(uri, output_path)
-        URI.open(uri) do |input|
-            File.open(output_path, 'wb') do |output|
-            IO.copy_stream(input, output)
-            end
-        end
-    end
-
-    def self.extract_archive(file_path, format)
-        case format
-        when 'gzip'
-            system("tar -xzf #{Shellwords.escape(file_path)}")
-        when 'zip'
-            system("unzip #{Shellwords.escape(file_path)}")
-        when 'zstd'
-            system("unzstd #{Shellwords.escape(file_path)}")
-        when 'xz'
-            system("tar -xJf #{Shellwords.escape(file_path)}")
-        else
-            raise "Unsupported archive format: #{format}"
-        end
-    end
-
-    def self.fetch_and_extract(url)
-        uri = URI.parse(url)
-        file_name = File.basename(uri.path)
-        tmp_path = "/tmp/#{file_name}"
-
-        format = detect_format_from_url(url)
-        puts "format #{format}"
-        download_file(uri, tmp_path)
-
-        unless format
-            format = detect_format_from_headers(uri)
-        end
-
-        unless format
-            format = detect_format_from_magic(tmp_path)
-        end
-
-        raise "Could not determine archive format" unless format
-
-        extract_archive(tmp_path, format)
-    end
-end
-    # Example usage:
-    # fetch_and_extract("https://codeberg.org/forgejo/forgejo/releases/download/v12.0.1/forgejo-12.0.1-linux-amd64.xz")