Class: AtkPackage

Inherits:

Object

• Object
• AtkPackage

Defined in:

lib/atk/atk_info.rb

Instance Method Summary

• #cache_location ⇒ Object
• #cache_name ⇒ Object
• #ensure_cached ⇒ Object
• #ensure_package_info ⇒ Object

  parse package.

• #initialize(package_name) ⇒ AtkPackage constructor

  A new instance of AtkPackage.

• #parser_version_1_1(info) ⇒ Object

  (using_atk_version) 1.1.0.

• #run(arguments) ⇒ Object
• #simple_name ⇒ Object
• #url ⇒ Object

Constructor Details

#initialize(package_name) ⇒ AtkPackage

Returns a new instance of AtkPackage.

# File 'lib/atk/atk_info.rb', line 222

def initialize(package_name)
    @init_name = package_name
    @package_info_loaded = false
    @dont_exist = {}
end

Instance Method Details

#cache_location ⇒ Object

# File 'lib/atk/atk_info.rb', line 267

def cache_location()
    if @cache_location == nil
        @cache_location = Atk.paths['repos']/self.cache_name
    end
    return @cache_location
end

#cache_name ⇒ Object

# File 'lib/atk/atk_info.rb', line 256

def cache_name()
    if @cache_name == nil
        repo_url = self.url()
        require 'digest'
        repo_hash = Digest::MD5.hexdigest(repo_url)
        repo_name = Git.repo_name(repo_url)
        @cache_name = repo_name+"_"+repo_hash
    end
    return @cache_name
end

#ensure_cached ⇒ Object

# File 'lib/atk/atk_info.rb', line 274

def ensure_cached()
    if @is_cached == nil
        puts "self.cache_location is: #{self.cache_location} "
        puts "self.url is: #{self.url} "
        Git.ensure_cloned_and_up_to_date(self.cache_location, self.url)
        @is_cached = true
    end
end

#ensure_package_info ⇒ Object

parse package

# File 'lib/atk/atk_info.rb', line 286

def ensure_package_info()
    if not @package_info_loaded
        @package_info_loaded = true
        self.ensure_cached()
        FS.in_dir(self.cache_location) do
            if not FS.file?("./info.yaml")
                @dont_exist[:yaml_file] = true
            end
            begin
                # must be in top most dir
                @info = YAML.load_file("./info.yaml")
            rescue => exception
                @dont_exist[:correctly_formatted_yaml_file] = true
            end
            
            # attempt to load a version
            begin
                version = Version.new(@info['(using_atk_version)'])
            rescue => exception
                version = nil
                @dont_exist[:using_atk_version] = true
            end
            # if there is a version
            if version.is_a?(Version)
                # if the version is really old
                if version <= Version.new("1.0.0")
                    raise <<-HEREDOC.remove_indent
                        
                        
                        It appears that the #{self.simple_name()} package is using
                        the alpha version of ATK (1.0.0), which is no longer supported.
                        This is probably just a simple versioning mistake.
                        Please ask the maintainer of the #{self.simple_name()} package to
                        update it to a newer ATK package format
                    HEREDOC
                elsif version <= Version.new("1.1.0")
                    self.parser_version_1_1(@info)
                else
                    raise <<-HEREDOC.remove_indent
                        
                        
                        The package #{self.simple_name()} has a (using_atk_version)
                        that is newer than the currently installed ATK can handle:
                        version: #{version}
                        
                        This means either
                            1. ATK needs to be updated (which you can do with #{'atk update'.color_as :code})
                            2. The package has specified a version of ATK that doesn't exist
                    HEREDOC
                end  
            end
        end
    end
end

#parser_version_1_1(info) ⇒ Object

(using_atk_version) 1.1.0

(package):

(actions):
     (run): *run command as string*

# File 'lib/atk/atk_info.rb', line 347

def parser_version_1_1(info)
    # 
    # inits:
    #    @package_info: nil
    #    @actions: {}
    #    @run: nil
    # 
    if @info.is_a?(Hash)
        @package_info = @info['(package)']
        if @package_info.is_a?(Hash)
            @actions = @package_info['(actions)']
        else 
            @dont_exist[:package_info] = true
        end
        if not @actions.is_a?(Hash)
            @actions = {}
            @dont_exist[:actions] = true
        end
        
        @run = @actions['(run)']
        if not @run.is_a?(String)
            @dont_exist[:run_action] = true
        end
    end
end

#run(arguments) ⇒ Object

# File 'lib/atk/atk_info.rb', line 373

def run(arguments)
    self.ensure_package_info()
    # if it exists, run it
    if @run.is_a?(String)
        FS.in_dir(self.cache_location) do
            system(@run + Console.make_arguments_appendable(arguments))
            return $?.success?
        end
    # if not, explain why not
    else
        custom_message = <<-HEREDOC.remove_indent
        
            When trying 
                to perform the #{"run".color_as :code} action
                on the #{self.simple_name.to_s.color_as :key_term} module
                with these arguments: #{arguments.inspect.to_s.color_as :argument}
            
            There was an issue because:
        HEREDOC
        
        # FUTURE: make a more standardized error reporting tool and it that here
        
        good = ->(message) do
            "    ✓ #{message.color_as :good}"
        end
        bad = ->(message) do
            "    ✖ #{message.color_as :bad}"
        end
        
        if @dont_exist[:yaml_file]
            custom_message += <<-HEREDOC.remove_indent
                #{bad["there was no info.yaml for that package"]}
                and an info.yaml is the location for defining a run action 
                
            HEREDOC
        elsif @dont_exist[:correctly_formatted_yaml_file]
            custom_message += <<-HEREDOC.remove_indent
                #{good["there was a info.yaml for that package"]}
                #{bad["the info.yaml is not parseable"]}
                and an info.yaml is the location for defining a run action
                
            HEREDOC
        elsif @dont_exist[:using_atk_version]
            custom_message += <<-HEREDOC.remove_indent
                #{good["there was a info.yaml for that package"]}
                #{good["the info.yaml was parseable"]}
                #{@dont_exist[:using_atk_version] && bad["the info.yaml didn't have a (using_atk_version) key"]}
                #{@dont_exist[:package_info]      && bad["the info.yaml didn't have a (package_info) key"]}
                #{@dont_exist[:actions]           && bad["the info.yaml didn't have a (package_info): (actions) key"]}
                #{@dont_exist[:run_action]        && bad["the info.yaml didn't have a (package_info): (actions): (run) key"]}
            HEREDOC
        end
        
        raise <<-HEREDOC.remove_indent
            
            
            #{custom_message}
            
            This is almost certainly a problem with the package
            Please contact the maintainer of #{self.simple_name}
            and let them know about the above issue
        HEREDOC
    end
end

#simple_name ⇒ Object

# File 'lib/atk/atk_info.rb', line 228

def simple_name
    if @simple_name == nil
        source = @init_name.strip
        # if its starts with "atk/", just remove that part
        source = source.sub( /^atk\//, "" )
        # if it starts with "https://github.com/", just remove that part
        @simple_name = source.sub( /^https:\/\/github.com\//, "" )
    end
    return @simple_name
end

#url ⇒ Object

# File 'lib/atk/atk_info.rb', line 239

def url
    if @url == nil
        simple_name = self.simple_name()
        # if the package name does not have a slash in it, then assume it is a core / approved package
        if not (simple_name =~ /.*\/.*/) 
            raise "That package #{@init_name} doesn't seem to be a core package"
        # if it does have a slash, and isn't a full url, then assume its a github repo
        elsif not simple_name.start_with?(/https?:\/\//)
            repo_url = "https://github.com/"+simple_name
        else
            repo_url = simple_name
        end
        @url = repo_url
    end
    return @url
end