Class: Erhu::App

Inherits:
Object show all
Defined in:
lib/erhu/app.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(erhufile_path = nil) ⇒ App

Returns a new instance of App.



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# File 'lib/erhu/app.rb', line 4

def initialize(erhufile_path=nil)
  @erhufile = erhufile_path || File.join(Dir.pwd, "ErhuFile")

  @erhu_path = File.join(Dir.pwd, ".erhu")
  unless Dir.exist?(@erhu_path)
    FileUtils.mkdir_p(@erhu_path)
    puts "Created #{@erhu_path}"
  end
  @database_path = File.join(@erhu_path, "database.yml")
end

Instance Attribute Details

#erhufile ⇒ Object

Returns the value of attribute erhufile.



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# File 'lib/erhu/app.rb', line 3

def erhufile
  @erhufile
end

Instance Method Details

#database ⇒ Object 



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# File 'lib/erhu/app.rb', line 15

def database
  if File.exist?(@database_path)
    @database ||= YAML.load_file(@database_path) || {}
  else
    @database ||= {}
  end
end

#git(repository_url, branch: nil, name: nil, tag: nil, &block) ⇒ Object 



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# File 'lib/erhu/app.rb', line 31

def git(repository_url, branch: nil, name: nil, tag: nil, &block)
  name = name || File.basename(URI.parse(repository_url).path, '.git')
  
  info = self.database.fetch(name, {})
  info.delete(:commit)
  if info == {repository_url: repository_url, branch: branch, name: name, tag: tag}
    puts "ignore #{repository_url}"
    return
  else
    FileUtils.rm_rf("#{@target}/#{name}")
  end

  warn!("Do not use Git for version control without careful consideration.")

   = TTY::Spinner.new("[:spinner] git clone #{repository_url} ...")
  .auto_spin
  repo = Git.clone(repository_url, "#{@target}/#{name}", branch: branch)
  unless tag.blank?
    
    tags = repo.tags
    if tags.map { |tag| tag.name }.include?(tag)
      commit_id = tags.select { |node| node.name == tag }.first.objectish
      repo.checkout(tag, start_point: commit_id, new_branch: true)
    end
  end
  .stop("Done!")

  block.call(repo, self) unless block.blank?

  self.database[name] = {repository_url: repository_url,
    branch: branch, name: name, tag: tag, commit: repo.revparse('HEAD')
  }
rescue => e
  error! e
end

#package(package_url, name: nil, extension: nil, &block) ⇒ Object 



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# File 'lib/erhu/app.rb', line 67

def package(package_url, name: nil, extension: nil, &block)
  raise "package url is required" if package_url.blank?
  raise "name: 'package name' is required" if name.blank?

  _extension = extract_extension(package_url)
  if _extension == ".zip" or _extension == ".tar.gz"
    extension ||= _extension
  else
    extension ||= ".zip"
  end

  package_name = name
  package_hex = name.unpack('H*').first
  package_file_path = "#{@erhu_path}/#{package_name}-#{package_hex}#{extension}"
  
  if File.exist?(package_file_path)
    puts "ignored #{package_url}"
    return
  end

  bar = TTY::ProgressBar.new("downloading #{package_name} :percent [:bar]", total: 50)
  total_size = 0

  http.download package_url, destination: package_file_path,
    content_length_proc: -> (content_length) {
      total_size = content_length
    },
    progress_proc: -> (progress) {
      if total_size > 0
        bar.ratio = progress / total_size.to_f
      end
    }
  bar.finish

  unless block.blank?
    block.call(package_file_path, self)
    return
  end

  self.zip(package_file_path, package_name) if extension == ".zip"
  ungzip(package_file_path, File.join(@target, package_name)) if extension == ".tar.gz"
end

#run ⇒ Object 



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# File 'lib/erhu/app.rb', line 114

def run
  instance_eval File.read(@erhufile), @erhufile, 1
  File.open(@database_path, 'w') do |file|
    file.write self.database.to_yaml
  end
end

#target(path) ⇒ Object 



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# File 'lib/erhu/app.rb', line 23

def target(path)
  @target = path
  unless Dir.exist?(@target)
    FileUtils.mkdir_p(@target)
    puts "Created #{@target}"
  end
end

#zip(package_file_path, package_name) ⇒ Object 



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# File 'lib/erhu/app.rb', line 110

def zip(package_file_path, package_name)
  unzip(package_file_path, File.join(@target, package_name))
end