Add helix CLI tool for generating projects

Also introduces the concept of parent projects which have child crates

examples/calculator/Gemfile.lock

@@ -2,7 +2,8 @@ PATH
   remote: ../../ruby
   specs:
     helix_runtime (0.5.0.alpha.1)
-      rake (~> 10.0)
+      rake (>= 10.0)
+      thor (~> 0.19.4)
 
 GEM
   remote: https://rubygems.org/
@@ -23,6 +24,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    thor (0.19.4)
 
 PLATFORMS
   ruby

examples/console/Gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     helix_runtime (0.5.0.alpha.1)
       rake (>= 10.0)
+      thor (~> 0.19.4)
 
 GEM
   remote: https://rubygems.org/
@@ -23,6 +24,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    thor (0.19.4)
 
 PLATFORMS
   ruby

examples/duration/Gemfile.lock

@@ -2,7 +2,8 @@ PATH
   remote: ../../ruby
   specs:
     helix_runtime (0.5.0.alpha.1)
-      rake (~> 10.0)
+      rake (>= 10.0)
+      thor (~> 0.19.4)
 
 PATH
   remote: .
@@ -22,6 +23,7 @@ GEM
     i18n (0.8.1)
     minitest (5.8.3)
     rake (10.5.0)
+    thor (0.19.4)
     thread_safe (0.3.6)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)

examples/membership/Gemfile.lock

@@ -2,7 +2,8 @@ PATH
   remote: ../../ruby
   specs:
     helix_runtime (0.5.0.alpha.1)
-      rake (~> 10.0)
+      rake (>= 10.0)
+      thor (~> 0.19.4)
 
 GEM
   remote: https://rubygems.org/
@@ -22,6 +23,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
+    thor (0.19.4)
 
 PLATFORMS
   ruby

examples/turbo_blank/Gemfile.lock

@@ -2,7 +2,8 @@ PATH
   remote: ../../ruby
   specs:
     helix_runtime (0.5.0.alpha.1)
-      rake (~> 10.0)
+      rake (>= 10.0)
+      thor (~> 0.19.4)
 
 PATH
   remote: .
@@ -15,6 +16,7 @@ GEM
   specs:
     minitest (5.8.3)
     rake (10.5.0)
+    thor (0.19.4)
 
 PLATFORMS
   ruby

ruby/bin/helix

@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+
+require 'helix_runtime'
+require 'helix_runtime/cli'
+
+HelixRuntime::CLI::Base.start(ARGV)

ruby/helix_runtime.gemspec

@@ -13,12 +13,13 @@ Gem::Specification.new do |spec|
   spec.homepage      = "https://github.com/tildeio/helix"
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = "exe"
+  spec.bindir        = "bin"
   spec.extensions    = ["ext/helix_runtime/native/extconf.rb"]
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_dependency "rake", ">= 10.0"
+  spec.add_dependency "thor", "~> 0.19.4"
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rspec", "~> 3.4"

ruby/lib/helix_runtime.rb

@@ -2,6 +2,7 @@ require "helix_runtime/version"
 require "helix_runtime/native"
 require "helix_runtime/platform"
 require 'helix_runtime/project'
+require 'helix_runtime/parent_project'
 
 module HelixRuntime
   IS_WINDOWS = RUBY_PLATFORM =~ /mingw/

ruby/lib/helix_runtime/cli.rb

@@ -0,0 +1,17 @@
+require 'helix_runtime/cli/bootstrap'
+
+module HelixRuntime
+  module CLI
+    class Base < Thor
+      include Thor::Actions
+
+      register CLI::Bootstrap, "bootstrap", "bootstrap PATH [NAME]", "Bootstrap Helix"
+
+      desc "add_crate NAME", "Add child project"
+      def add_crate(name)
+        bootstrap("crates/#{name}", name)
+        append_to_file "Gemfile", "gem '#{name}', path: 'crates/#{name}'\n"
+      end
+    end
+  end
+end

ruby/lib/helix_runtime/cli/bootstrap.rb

@@ -0,0 +1,73 @@
+require 'thor'
+
+module HelixRuntime
+  module CLI
+    class Bootstrap < Thor::Group
+      argument :path, type: :string
+      argument :name, type: :string, optional: true
+      class_option :skip_bundle, type: :boolean, default: false
+
+      include Thor::Actions
+
+      desc "Bootstrap Helix"
+      source_root File.expand_path("../templates", __FILE__)
+
+      # NOTE: Instead of using destination_root, we include the full path so
+      #   that we see the path relative to the root of where we're running the command.
+
+      def create_cargo_toml
+        template "Cargo.toml", "#{base_path}/Cargo.toml"
+      end
+
+      def add_rust_lib_file
+        copy_file "lib.rs", "#{base_path}/src/lib.rs"
+      end
+
+      def create_gemspec
+        template "gem.gemspec", "#{base_path}/#{app_name}.gemspec"
+      end
+
+      def create_gemfile
+        template "Gemfile", "#{base_path}/Gemfile"
+      end
+
+      def add_rake_task
+        template "helix_runtime.rake", "#{base_path}/lib/tasks/helix_runtime.rake"
+      end
+
+      def add_ruby_lib_file
+        template "lib.rb", "#{base_path}/lib/#{app_name}.rb"
+      end
+
+      def add_gitignore
+        template "gitignore", "#{base_path}/.gitignore"
+      end
+
+      def update_rakefile
+        unless File.exists?("#{base_path}/Rakefile")
+          create_file "#{base_path}/Rakefile", "require 'bundler/setup'\n"
+        end
+
+        append_to_file "#{base_path}/Rakefile", "import 'lib/tasks/helix_runtime.rake'\n"
+      end
+
+      def bundle
+        unless options.skip_bundle
+          inside path do
+            run "bundle"
+          end
+        end
+      end
+
+      private
+
+        def base_path
+          File.expand_path(path)
+        end
+
+        def app_name
+          name || File.basename(base_path)
+        end
+    end
+  end
+end

ruby/lib/helix_runtime/cli/templates/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "<%= app_name %>"
+version = "0.1.0"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+helix_runtime = "<%= HelixRuntime::VERSION %>"

ruby/lib/helix_runtime/cli/templates/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gemspec

ruby/lib/helix_runtime/cli/templates/gem.gemspec

@@ -0,0 +1,14 @@
+# encoding: utf-8
+
+Gem::Specification.new do |s|
+  s.name         = '<%= app_name %>'
+  s.version      = '1.0.0'
+  s.authors      = ['Ruby Developer']
+  s.summary      = "A Helix project"
+  s.files        = Dir['{lib/**/*,[A-Z]*}']
+
+  s.platform     = Gem::Platform::RUBY
+  s.require_path = 'lib'
+
+  s.add_dependency 'helix_runtime', '~> <%= HelixRuntime::GEM_VERSION %>'
+end

ruby/lib/helix_runtime/cli/templates/gitignore

@@ -0,0 +1,4 @@
+target
+tmp
+*.bundle
+*.so

ruby/lib/helix_runtime/cli/templates/helix_runtime.rake

@@ -0,0 +1,5 @@
+require 'helix_runtime/build_task'
+
+HelixRuntime::BuildTask.new("<%= app_name %>")
+
+task :default => :build

ruby/lib/helix_runtime/cli/templates/lib.rb

@@ -0,0 +1,7 @@
+require "helix_runtime"
+
+begin
+  require "<%= app_name %>/native"
+rescue LoadError
+  warn "Unable to load <%= app_name %>/native. Please run `rake build`"
+end

ruby/lib/helix_runtime/cli/templates/lib.rs

@@ -0,0 +1,10 @@
+#[macro_use]
+extern crate helix_runtime as helix;
+
+// declare_types! {
+//     class MyClass {
+//         def hello(&self) {
+//             println!("Hello!");
+//         }
+//     }
+// }

ruby/lib/helix_runtime/parent_build_task.rb

@@ -0,0 +1,35 @@
+require 'rake/tasklib'
+require 'helix_runtime'
+
+module HelixRuntime
+  # FIXME: I don't like this name
+  class ParentBuildTask < Rake::TaskLib
+
+    def initialize
+      define
+    end
+
+    def define
+      task :build do
+        project.projects.each do |p|
+          puts "Building #{p.name}"
+          p.build
+        end
+      end
+
+      task :clobber do
+        project.projects.each do |p|
+          puts "Clobbering #{p.name}"
+          p.clobber
+        end
+      end
+    end
+
+    private
+
+      def project
+        @project ||= ParentProject.new(Dir.pwd)
+      end
+
+  end
+end

ruby/lib/helix_runtime/parent_project.rb

@@ -0,0 +1,40 @@
+module HelixRuntime
+  class ParentProject
+
+    attr_accessor :root
+
+    def initialize(root)
+      @root = find_root(root)
+    end
+
+    def projects
+      @projects ||= Dir["#{root}/crates/*"]
+                        .select{|f| File.directory?(f) }
+                        .map{|d| Project.new(d) }
+    end
+
+    def ensure_built!
+      projects.each(&:ensure_built!)
+    end
+
+    def outdated_build?
+      projects.any?(&:outdated_build?)
+    end
+
+    private
+
+      def find_root(root)
+        root = File.expand_path(root)
+        dir = root
+        loop do
+          return dir if !Dir["#{dir}/{Gemfile,*.gemspec}"].empty?
+
+          new_dir = File.dirname(dir)
+          raise "Unable to find root for #{root}" if new_dir == dir
+
+          dir = new_dir
+        end
+      end
+
+  end
+end