Class: Metaverse::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/metaverse/base.rb

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Base 



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# File 'lib/metaverse/base.rb', line 11

def initialize path
  @logger = Logger.new STDOUT
  @base_path = path
  read_config "#{path}/.meta.yml"
  @repos_paths = Metaverse::Iterator.new path, @ignored_repos, @repos_paths
  if @repos_paths.empty?
    @repos_paths.build 
    save_config "#{path}/.meta.yml"
    puts "Repos cache built.".green
  end      
  @repos = @repos_paths.map {|repo| Metaverse::Repo.new repo}
end

Instance Method Details

#add_remote(name, base_url) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 176

def add_remote name, base_url
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    repo.add_remote name, "#{base_url}/#{repo.name}"
  }
end

#branches ⇒ Object 



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# File 'lib/metaverse/base.rb', line 115

def branches
  @repos.each { |repo| puts "#{repo.name}@#{repo.current_branch}" }
end

#check_dirtiness ⇒ Object 



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# File 'lib/metaverse/base.rb', line 128

def check_dirtiness
  dirty_repos = @repos.reject { |repo|
    !repo.dirty?
  }.map &:name

  if dirty_repos.length == 0
    puts 'The system is clean'.green
  else
    puts 'The system is dirty. Please check the following repos :'.red , dirty_repos
  end
  dirty_repos.length == 0 
end

#checkout(name) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 29

def checkout name
  action_options = -> (repo) {
    {
      up: -> {
        puts "\n # #{repo.name}".blue
        repo.checkout name
      },
      down: -> {
        puts "\n # Rolling back in #{repo.name}".blue
        repo.checkout repo.pop_previous_branch
      }
    }
  }

  if check_dirtiness
    actions = @repos.map {|repo| 
      puts "\n # #{repo.name}".blue
      Transacted::Action.new action_options.call(repo)
    }

    checkout_transaction = Transacted::Transaction.new actions
    case checkout_transaction.execute
    when :execution_success then puts "Checkout successful".green
    when :rollback_success then puts "An error prevented checking out the system. Rolled back successfully".yellow
    when :rollback_failure then puts "An error was encountered during the checkout. In addition, an error happened while trying to rollback the system. Please fix the state of your system manually.".red
    end
  end
    
end

#clear_repos ⇒ Object 



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# File 'lib/metaverse/base.rb', line 163

def clear_repos
  @repos_paths = []
  save_config "#{@base_path}/.meta.yml"
  puts "Repos cache cleared.".green
end

#create_state(prefix, state) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 59

def create_state prefix, state
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    repo.create_state prefix, state
    repo.checkout "#{prefix}/#{state}" if not prefix == "snapshot"
  } if check_dirtiness
end

#exec(env, command) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 183

def exec env, command
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    repo.exec env, command
  }
end

#load_state(prefix, state, remote = nil, should_create_branch = false) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 68

def load_state prefix, state, remote = nil, should_create_branch = false
  action_options = -> (repo) {
    {
      up: -> { 
        puts "\n # #{repo.name}".blue
        repo.load_state prefix, state, remote, should_create_branch
      },
      down: -> { 
        puts "\n # Rolling back in #{repo.name}".blue
        puts repo.checkout repo.pop_previous_branch
      }
    }
  }

  if check_dirtiness
    
    actions = @repos.map { |repo|
      Transacted::Action.new action_options.call repo
    }

    load_state_transaction = Transacted::Transaction.new actions
    case load_state_transaction.execute
    when :execution_success then puts "Loading state successful".green
    when :rollback_success then puts "An error prevented loading the state of the system. Rolled back successfully".yellow
    when :rollback_failure then puts "An error was encountered during the loading of the state. In addition, an error happened while trying to rollback the system. Please fix the state of your system manually.".red
    end
  end
end

#pull ⇒ Object 



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# File 'lib/metaverse/base.rb', line 169

def pull
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    repo.pull @origin_remote
  } if check_dirtiness
end

#read_config(path) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 141

def read_config path
  Errors::config_not_found! if not File.exist? path

  config = YAML.load File.open(path)
  @repos_paths = config['repos'] || []
  @origin_remote = config['remotes']['main']
  @own_remote = config['remotes']['own']
  @ignored_repos = config['ignore'] || []
end

#save_config(path) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 151

def save_config path
  config = {
    'repos' => @repos_paths.map{ |repo| repo },
    'remotes'=> {
      'main' => @origin_remote,
      'own' => @own_remote
    },
    'ignore' => @ignored_repos
  }
  File.open(path, 'w') {|f| f.write config.to_yaml }
end

#send_state(prefix, state, remote, should_clean = false) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 98

def send_state prefix, state, remote, should_clean = false
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    is_branch = repo.current_branch.match /refs\/heads\/(.*)/
    repo.send_state prefix, state, remote, !!is_branch, should_clean
  } if check_dirtiness
end

#status ⇒ Object 



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# File 'lib/metaverse/base.rb', line 24

def status
  check_dirtiness
end

#system_state ⇒ Object 



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# File 'lib/metaverse/base.rb', line 119

def system_state
  branches = Hash.new 0
  @repos.each {|repo| branches[repo.current_branch] += 1}

  state = branches.max{|a,b| a[1] <=> b[1]}
  state[0] = state.first.strip
  state
end

#update(remote = nil) ⇒ Object 



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# File 'lib/metaverse/base.rb', line 107

def update remote = nil
  @repos.each { |repo|
    puts "\n # #{repo.name}".blue
    repo.update remote
  } if check_dirtiness
end