feat: add Distro::Ubuntu module, add is_lts?

Update name
Add license
Fix README part

Author: initdc

LICENSE

@@ -8,11 +8,11 @@ Build workflow for rootfs images, Ubuntu openSUSE and more
 
 Install the gem and add to the application's Gemfile by executing:
 
-    $ bundle add UPDATE_WITH_YOUR_GEM_NAME_PRIOR_TO_RELEASE_TO_RUBYGEMS_ORG
+    $ bundle add rootfs
 
 If bundler is not being used to manage dependencies, install the gem by executing:
 
-    $ gem install UPDATE_WITH_YOUR_GEM_NAME_PRIOR_TO_RELEASE_TO_RUBYGEMS_ORG
+    $ gem install rootfs
 
 ## Usage
 

README.md

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 require_relative "rootfs/version"
+require_relative "rootfs/distro/ubuntu"
 
-module Rootfs
-  class Error < StandardError; end
-  # Your code goes here...
+module RootFS
+  extend RootFS::Distro::Ubuntu
 end

lib/rootfs.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+module RootFS
+  module Distro
+    module Ubuntu
+      # https://ubuntu.com/download
+
+      # https://wiki.ubuntu.com/Releases
+      # https://cloud-images.ubuntu.com/
+      CODENAME_VERSION = {
+        lunar: "23.04",
+        kinetic: "22.10",
+        jammy: "22.04",
+        focal: "20.04",
+        bionic: "18.04",
+        xenial: "16.04",
+        trusty: "14.04"
+      }
+
+      LTS = {
+        jammy: "22.04",
+        focal: "20.04",
+        bionic: "18.04",
+        xenial: "16.04",
+        trusty: "14.04"
+      }
+
+      EDITION_RELEASE_URL = {
+        Desktop: "http://cdimage.ubuntu.com/releases/",
+        Server: "http://cdimage.ubuntu.com/releases/",
+        Base: "http://cdimage.ubuntu.com/ubuntu-base/releases/",
+        Cloud: "https://cloud-images.ubuntu.com/releases/",
+        Minimal: "https://cloud-images.ubuntu.com/minimal/releases/"
+      }
+
+      EDITION_DAILY_URL = {
+        Desktop: "http://cdimage.ubuntu.com/",
+        Server: "http://cdimage.ubuntu.com/ubuntu-server/",
+        Base: "http://cdimage.ubuntu.com/ubuntu-base/",
+        Cloud: "https://cloud-images.ubuntu.com/",
+        Minimal: "https://cloud-images.ubuntu.com/minimal/daily/"
+      }
+
+      def is_lts?(any)
+        str = any.to_s
+        LTS.each do |code, ver|
+          return true if str == code.to_s
+          return true if str.start_with?(ver)
+        end
+        false
+      end
+    end
+  end
+end

lib/rootfs/distro/ubuntu.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require_relative "ubuntu"
+
+class MyClass
+  include RootFS::Distro::Ubuntu
+end
+
+u = MyClass.new
+
+p u.is_lts?("20.04.5")

lib/rootfs/distro/ubuntu_test.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
-module Rootfs
+module RootFS
   VERSION = "0.0.1.pre"
 end

lib/rootfs/version.rb

@@ -4,7 +4,7 @@ require_relative "lib/rootfs/version"
 
 Gem::Specification.new do |spec|
   spec.name = "rootfs"
-  spec.version = Rootfs::VERSION
+  spec.version = RootFS::VERSION
   spec.authors = ["initdc"]
   spec.email = ["[email protected]"]
 

rootfs.gemspec

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+RSpec.describe RootFS do
+  it "does something useful" do
+    expect(RootFS.is_lts?(20.04)).to eq(true)
+  end
+end

spec/distro/ubuntu_spec.rb

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-RSpec.describe Rootfs do
+RSpec.describe RootFS do
   it "has a version number" do
-    expect(Rootfs::VERSION).not_to be nil
+    expect(RootFS::VERSION).not_to be nil
   end
 
   it "does something useful" do
-    expect(false).to eq(true)
+    expect(true).to eq(true)
   end
 end