Module: Hobix::CommandLine

Defined in:
lib/hobix/commandline.rb

Constant Summary collapse

RC = 
File.join( HOME_DIR, '.hobixrc' )

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(o) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 39

def CommandLine.extended( o )
  #
  # When extended we should get all required plugin for the 
  # whole Hobix stuff
  #
  return unless File.exists? RC

  config = YAML::load( File.open( RC ) )
  
  #
  # Add a new instance variable to o
  #
  o.instance_variable_set( :@config, config )

  #
  # Eventually add user specified path
  #
  if config['libs']
    config['libs'].each do |p|
      if File.exists?( p ) && File.directory?( p )
        $LOAD_PATH << p
      else
        warn "#{p} not loaded. Either inexistant or not a directory"
      end
    end
  end

  #
  # And system wide path too
  #
  if File.exists?( Hobix::SHARE_PATH )
    $LOAD_PATH << File.join(Hobix::SHARE_PATH,"lib")
  end
  
  #
  # Load plugins if necessary
  #
  if config['requires']
    config['requires'].each do |req|
      Hobix::BasePlugin::start( req, self )
    end
  end
  
end

Instance Method Details

#add_weblog(name, path) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 220

def add_weblog( name, path )
    @config['weblogs'] ||= {}
    path = File.expand_path( path )
    puts "*** Checking for existence of blog."
    require 'hobix/weblog'
    if File.directory? path
        path = File.join( path, 'hobix.yaml' )
        puts "*** Path is a directory, using `#{ path }'."
    end
    unless File.exists? path
        puts "*** No file `#{ path }' found!  Aborting."
        return
    end
    join_as_author( name, path )
end

#add_weblog_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 219

def add_weblog_args; ['weblog-name', '/path/to/hobix.yaml']; end

#add_weblog_explain ⇒ Object

Add a weblog to local config



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# File 'lib/hobix/commandline.rb', line 218

def add_weblog_explain; "Adds a pre-existing hobix weblog to your list."; end

#aorta(obj) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 523

def aorta( obj )
    if @config['use editor']
        # I am quite displeased that Tempfile.open eats its blocks result,
        # thereby necessitating this blecherous construct...
        tempfile = nil
        Tempfile.open("hobix.post") { |tempfile| tempfile << obj.to_yaml }
  
        begin
            created = File.mtime( tempfile.path )
            system( "#{ ENV['EDITOR'] || 'vi' } #{ tempfile.path }" )
            return nil unless File.exists?( tempfile.path )

            if created < File.mtime( tempfile.path )
                obj = YAML::load( tempfile.open )
            else
                puts "** Edit aborted"
                obj = nil
            end
        rescue StandardError => e
            puts "There was an error saving the entry: #{ e.class }: #{ e.message }"
            print "Re-edit [Yn]? "
            response = gets.strip
            if response.empty? or response =~ /^[Yy]/
                retry
            else
                puts "** Edit aborted"
                obj = nil
            end
        ensure
            # tempfile will get closed/unlinked when it's collected anyway;
            # may as well do it here to provide some determinism for the user
            begin
                tempfile.close true
            rescue
            end
        end
    else
        require 'hobix/util/objedit'
        obj = Hobix::Util::ObjEdit( obj )
    end
    obj
end

#blogs_weblog ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 129

def blogs_weblog
    if @config['weblogs'].respond_to?( :sort ) && !@config['weblogs'].empty?
        blogs = @config['weblogs'].sort
        name_width = blogs.collect { |b| b[0].length }.max
        tabular( blogs, [[-name_width, 0, 'weblog-name'], [-40, 1, 'path']] )
    else
        puts "** You have no blogs set up.  Use `hobix setup_blogs' to get started."
    end
end

#blogs_weblog_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 128

def blogs_weblog_args; []; end

#blogs_weblog_explain ⇒ Object

List all your weblogs



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# File 'lib/hobix/commandline.rb', line 127

def blogs_weblog_explain; "List your weblogs."; end

#config ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 94

def config
    @config
end

#create_weblog(name, path) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 146

def create_weblog( name, path )
    @config['weblogs'] ||= {}
    if @config['weblogs'][name]
        print "*** Blog '#{ name }' exists already! Overwrite?? [y/N]: "
        if gets.strip.upcase != 'Y'
            puts "*** Creation of weblog `#{ name }' aborted."
            return
        end
    end
    path = File.expand_path( path )
    puts <<-NOTE
    |*** Creation of weblog `#{ name }' will add the following directory"
    |    structure to directory #{ path }"
    |
    |    #{ path }
    |       hobix.yaml <- configuration
    |       
    |       entries/   <- edit and organize
    |                     your news items,
    |                     articles and so on.
    |       
    |       skel/      <- contains your
    |                     templates
    |       
    |       htdocs/    <- html is created here,
    |                     store all your images here,
    |                     this is your viewable
    |                     websyht
    |       
    |       lib/       <- extra hobix libraries
    |                     (plugins) go here
    |
    NOTE
    print "Create this structure? [y/N]: "
    if gets.strip.upcase != 'Y'
        puts "*** Creation of weblog `#{ name }' aborted."
        return
    end

    modes = load_patchsets

    puts "The default blog is available in the following modes:"
    puts "  #{ modes.keys.join( ', ' ) }"
    puts
    mode = nil
    loop do
        print "Modes: [Comma between each mode or Enter for none] "
        mode = gets.strip.downcase
        m = mode
        break if mode.empty? or not mode.split( /,/ ).detect { |m| m.strip!; not modes.has_key?( m ) }
        puts "*** No `#{ m }' mode available."
    end

    require 'fileutils'
    FileUtils.makedirs path
    FileUtils.cp_r Dir.glob( "#{ Hobix::SHARE_PATH }/default-blog/*" ), path

    # apply any patches
    patchlist = mode.split( /,/ ).map { |m| modes[m.strip] }.flatten.uniq
    require 'hobix/util/patcher'
    patchlist.collect! { |p| "#{ Hobix::SHARE_PATH }/default-blog.#{ p }.patch" }
    patcher = Hobix::Util::Patcher[ *patchlist ]
    patcher.apply( path )

    hobix_yaml = File.join( path, "hobix.yaml" )
    join_as_author( name, hobix_yaml )
    weblog = Hobix::Weblog.load( hobix_yaml )
    weblog.setup
    edit_action( weblog )
end

#create_weblog_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 145

def create_weblog_args; ['weblog-name', '/path/to/']; end

#create_weblog_explain ⇒ Object

Create a new skeleton for a weblog



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# File 'lib/hobix/commandline.rb', line 144

def create_weblog_explain; "Create a brand new weblog."; end

#del_weblog(name) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 272

def del_weblog( name )
    @config['weblogs'] ||= {}
    @config['weblogs'].delete( name )
    save_config
end

#del_weblog_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 271

def del_weblog_args; ['weblog-name']; end

#del_weblog_explain ⇒ Object

Delete a weblog from local config



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# File 'lib/hobix/commandline.rb', line 270

def del_weblog_explain; "Remove weblog from your list."; end

#druby_weblog ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 281

def druby_weblog
    if @config['weblogs']
        unless @config['druby']
            @config['druby'] = 'druby://:4081'
            puts "** No drb url found, using #{ @config['druby'] }"
        end
        require 'drb'
        blogs = {}
        @config['weblogs'].each do |name, path|
            blogs[name] = Hobix::Weblog.load path
        end
        require 'hobix/api'
        api = Hobix::API.new blogs
        DRb.start_service @config['druby'], api
        DRb.thread.join
    else
        puts "** No blogs found in the configuration."
    end
end

#druby_weblog_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 280

def druby_weblog_args; []; end

#druby_weblog_explain ⇒ Object

Run a DRuby daemon for blogs in your configuration



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# File 'lib/hobix/commandline.rb', line 279

def druby_weblog_explain; "Start the DRuby daemon for weblogs in your config."; end

#edit_action(weblog) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 262

def edit_action( weblog )
    path = weblog.hobix_yaml
    weblog = aorta( weblog )
    return if weblog.nil?
    weblog.save( path )
end

#edit_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 261

def edit_action_args; ['weblog-name']; end

#edit_action_explain ⇒ Object

Edit a weblog from local config



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# File 'lib/hobix/commandline.rb', line 260

def edit_action_explain; "Edit weblog's configuration"; end

#gets ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 84

def gets;          $stdin.gets;          end

#home_top ⇒ Object

Locate RC



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# File 'lib/hobix/commandline.rb', line 26

[
    [ENV['HOME'], ENV['HOME']],
    [ENV['APPDATA'], File.join( ENV['APPDATA'] || "", 'Hobix' )]
].each do |home_top, home_dir|
    next unless home_top
    if File.exists? home_top
        File.makedirs( home_dir )
        HOME_DIR = home_dir
        break
    end
end

#http(*args) ⇒ Object

Hobix over the wire



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# File 'lib/hobix/commandline.rb', line 596

def http( *args )
    p http_get( *args )
end

#http_edit_remote(weblog) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 644

def http_edit_remote( weblog )
    config = http_get( weblog, "edit" )
    config = aorta( config )
    return if config.nil?
    p http_post( weblog, "edit", config )
end

#http_get(weblog, *args) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 600

def http_get( weblog, *args )
    require 'net/http'
    response =
        Net::HTTP.new( weblog.host, weblog.port ).start do |http|
            http.get( File.expand_path( "remote/#{ args.join '/' }", weblog.path ) )
        end
    case response
    when Net::HTTPSuccess     then YAML::load( response.body )
    else
      response.error!
    end
end

#http_list_remote(weblog, inpath = '') ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 651

def http_list_remote( weblog, inpath = '' )
    require 'hobix/storage/filesys'
    entries = http_get( weblog, 'list', inpath )
    if entries.empty?
        puts "** No posts found in the weblog for path '#{inpath}'."
    else
        tabular_entries( entries )
    end
end

#http_patch_remote(*args) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 671

def http_patch_remote( *args )
    puts "** Weblogs cannot be patched over the wire yet."
    exit
end

#http_post(weblog, url, obj) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 613

def http_post( weblog, url, obj )
    require 'net/http'
    response =
        Net::HTTP.new( weblog.host, weblog.port ).start do |http|
            http.post( File.expand_path( "remote/#{ url }", weblog.path ), obj.to_yaml, "Content-Type" => "text/yaml" )
        end
    case response
    when Net::HTTPSuccess     then YAML::load( response.body )
    else
      response.error!
    end
end

#http_post_remote(weblog, entry_id) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 626

def http_post_remote( weblog, entry_id )
    entry = http_get( weblog, "post", entry_id )
    if entry.class == Errno::ENOENT
        entry = http_get( weblog, 'new' )
        entry.author = @config['username']
        entry.title = entry_id.split( '/' ).
                               last.
                               gsub( /^\w|_\w|[A-Z]/ ) { |up| " #{up[-1, 1].upcase}" }.
                               strip
    end
    entry = aorta( entry )
    return if entry.nil?

    rsp = http_post( weblog, "post/#{ entry_id }", entry )
    http_get( weblog, "upgen" ) if @config['post upgen']
    p rsp
end

#http_search_remote(weblog, words, inpath = '') ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 661

def http_search_remote( weblog, words, inpath = '' )
    require 'hobix/storage/filesys'
    entries = http_get( weblog, 'search', words, inpath )
    if entries.empty?
        puts "** No posts found in the weblog for path '#{inpath}'."
    else
        tabular_entries( entries )
    end
end

#join_as_author(name, path) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 236

def join_as_author( name, path )
    weblog = Hobix::Weblog.load( path )
    puts "*** Joining blog `#{ weblog.title }', adding you as author."
    weblog.authors[@config['username']] = @config['personal']
    weblog.save( path )
    @config['weblogs'][name] = path
    save_config
end

#list_action(weblog, inpath = '') ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 315

def list_action( weblog, inpath = '' )
    entries = weblog.storage.find( :all => true, :inpath => inpath )
    if entries.empty?
        puts "** No posts found in the weblog for path '#{inpath}'."
    else
        tabular_entries( entries )
    end
end

#list_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 314

def list_action_args; ['weblog-name', 'search/path']; end

#list_action_explain ⇒ Object

List entries



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# File 'lib/hobix/commandline.rb', line 313

def list_action_explain; "List all posts within a given path."; end

#load_patchsets ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 139

def load_patchsets
    File.open( "#{ Hobix::SHARE_PATH }/default-blog-modes.yaml" ) { |f| YAML::load( f ) }
end

#login(config = nil) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 87

def ( config = nil )
    config ||= RC
    @config = File.open( config ) { |f| YAML::load( f ) } if File.exists? RC
    setup unless @config
    setup_personal unless @config['personal']
end

#patch_action(weblog, patch) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 304

def patch_action( weblog, patch )
    require 'hobix/util/patcher'
    modes = load_patchsets
    patchlist = modes[patch.strip].map { |p| "#{ Hobix::SHARE_PATH }/default-blog.#{ p }.patch" }
    patcher = Hobix::Util::Patcher[ *patchlist ]
    patcher.apply( weblog.path )
end

#patch_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 303

def patch_action_args; ['weblog-name', 'patch-name']; end

#patch_action_explain ⇒ Object

Patch a weblog



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# File 'lib/hobix/commandline.rb', line 302

def patch_action_explain; "Applies a patch to a weblog."; end

#post_action(weblog, *args) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 342

def post_action( weblog, *args )
    if args.size == 1
        entry_type = nil
        entry_id = args[0]
    elsif args.size == 2
        ( entry_type, entry_id ) = args
    else
        raise ArgumentError, "Wrong number of arguments"
    end
    
    entry_class = weblog.entry_class(entry_type)
    begin
        entry = weblog.storage.load_entry( entry_id )
        if entry_type and not entry.instance_of? entry_class
            raise TypeError, "#{entry_id} already exists with a different type (#{entry.class})"
        end
    rescue Errno::ENOENT
        entry = entry_class.new
        entry.author = @config['username']
        entry.title = entry_id.split( '/' ).
                               last.
                               gsub( /^\w|\W\w|_\w|[A-Z]/ ) { |up| " #{up[-1, 1].upcase}" }.
                               strip
    end
    entry = aorta( entry )
    return if entry.nil?

    begin
        weblog.storage.save_entry( entry_id, entry )
    rescue Errno::ENOENT
        puts
        puts "The category for #{entry_id} doesn't exist."
        print "Create it [Yn]? "
        response = gets.strip

        if response.empty? or response =~ /^[Yy]/
            weblog.storage.save_entry( entry_id, entry, true )
        else
            puts
            print "Supply a different shortName [<Enter> to discard post]: "
            response = gets.strip

            if response.empty?
                return nil
            else
                entry_id = response
                retry
            end
        end
    end
    weblog.regenerate( :update ) if @config['post upgen']
end

#post_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 341

def post_action_args; ['weblog-name', '[type]', 'shortName']; end

#post_action_explain ⇒ Object

Post a new entry



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# File 'lib/hobix/commandline.rb', line 337

def post_action_explain; "Add or edit a post with identifier 'shortName'.\n" +
"(You can use full paths. 'blog/weddings/anotherPatheticWedding')\n" +
"'type' specifies the type of entry to create if the entry does not\n" +
"already exist." ; end

#puts(str = '') ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 85

def puts( *args ); $stdin.puts( *args ); end

#regen_action(weblog) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 255

def regen_action( weblog )
    weblog.regenerate
end

#regen_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 254

def regen_action_args; ['weblog-name']; end

#regen_action_explain ⇒ Object

Regenerate the site



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# File 'lib/hobix/commandline.rb', line 253

def regen_action_explain; "Regenerate the all the pages throughout the site."; end

#save_config ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 98

def save_config
    File.open( RC, "w" ) do |f|
        f.write @config.to_yaml
    end
end

#setup ⇒ Object

Setup user’s RC



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# File 'lib/hobix/commandline.rb', line 398

def setup
    @config = {}
    puts "Welcome to hobix (a simple weblog tool).  Looks like your" 
    puts "first time running hobix, eh?  Time to get a bit of information"
    puts "from you before you start using hobix.  (All of this will be stored"
    puts "in the file #{ Hobix::CommandLine::RC } if you need to edit.)"
    puts

    username = ''
    default_user = ''
    user_prompt = 'Your hobix username'
    if ENV['USER']
        default_user = ENV['USER']
        user_prompt << " [<Enter> for #{ ENV['USER'] }]"
    end
    while username.empty?
        puts
        print "#{ user_prompt }: "
        username = gets.strip
        if username.empty?
            username = default_user
        end
    end
    @config['username'] = username

    puts
    puts "Your EDITOR environment variable is set to '#{ ENV['EDITOR'] }'."
    puts "You can edit entries with your EDITOR or you can just use hobix."
    puts "** NOTE: If you don't use your own editor, then you will be using"
    puts "   the Hobix built-in object editor, which is highly experimental"
    puts "   and may not work on your platform.)"
    print "Use your EDITOR to edit entries? [Y/n]: "
    editor = gets.strip.upcase

    if editor == 'N'
        @config['use editor'] = false
    else
        @config['use editor'] = true
    end

    puts
    puts "After posting a new entry, would you like Hobix to automatically"
    print "update the site? [Y/n]: "
    post_upgen = gets.strip.upcase

    if post_upgen == 'N'
        @config['post upgen'] = false
    else
        @config['post upgen'] = true
    end


    save_config
end

#setup_blogs ⇒ Object

Extra setup, triggered upon installation



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# File 'lib/hobix/commandline.rb', line 474

def setup_blogs
    puts
    puts "            === Joining an existing weblog? ==="
    puts "If you want to join an existing hobix weblog, we can do that now."
    puts "Each weblog needs a name and a path.  Use <ENTER> at any prompt"
    puts "to simply move on."
    puts
    loop do
        puts "Short name for weblog, used on the command line (i.e. hobix upgen blogName)."
        print ": "
        blogname = gets.strip
        break if blogname.empty?

        print "Path to weblog's hobix.yaml `#{ blogname }': "
        blogpath = gets.strip
        if blogpath.empty?
            puts "*** Aborting setup of weblog `#{ blogname }'."
            break
        end
        add_weblog( blogname, blogpath )
        puts
        puts "** Add another weblog?"
    end

    puts "To setup more weblogs later, use: hobix add #{ add_weblog_args.join( ' ' ) }"
    puts
    puts "            === Create a new weblog? ==="
    puts "If you want to create a new hobix weblog, we can do that now."
    puts "Each weblog needs a name and a path.  Use <ENTER> at any prompt"
    puts "to simply move on."
    loop do
        puts
        puts "Short name for weblog, used on the command line (i.e. hobix upgen blogName)."
        print ": "
        blogname = gets.strip
        break if blogname.empty?

        print "Path to create weblog `#{ blogname }': "
        blogpath = gets.strip
        if blogpath.empty?
            puts "*** Aborting creation of weblog `#{ blogname }'."
            break
        end
        create_weblog( blogname, blogpath )
    end
    puts "To create more weblogs later, use: hobix create #{ create_weblog_args.join( ' ' ) }"
    puts
end

#setup_personal ⇒ Object

Setup personal information



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# File 'lib/hobix/commandline.rb', line 456

def setup_personal
    @config['personal'] ||= {}
    puts
    puts "Your personal information has not been setup yet."
    [['name', 'Your real name', true], 
     ['url', 'URL to your home page', false],
     ['email', 'Your e-mail address', false]].each do |k, txt, req|
        print "#{ txt }: "
        val = gets.strip
        retry if req and val.empty?
        @config['personal'][k] = val
    end
    save_config
end

#tabular(table, fields, desc = nil) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 566

def tabular( table, fields, desc = nil )
    field_widths = fields.collect do |width, id, title|
        ([width.abs, title.length].max + 1) * ( width / width.abs )
    end
    client_format = field_widths.collect { |width| "%#{ width}s"}.join( ': ')
    puts client_format % fields.collect { |width, id, title| title }
    puts field_widths.collect { |width| "-" * width.abs }.join( ':-' )
    table.each do |row|
        puts client_format % fields.collect { |width, id, title| row[ id ] }
        if desc
            puts row[ desc ]
            puts
        end
    end
end

#tabular_entries(entries) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 582

def tabular_entries( entries )
    entries.sort { |e1, e2| e1.id <=> e2.id }
    name_width = entries.collect { |e| e.id.length }.max
    rows = entries.inject([]) { |rows, entry| rows << [entry.id, entry.created] }
    tabular( rows, [[-name_width, 0, 'shortName'], [-34, 1, 'created']] )
end

#upgen_action(weblog) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 248

def upgen_action( weblog )
    weblog.regenerate( :update )
end

#upgen_action_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 247

def upgen_action_args; ['weblog-name']; end

#upgen_action_explain ⇒ Object

Update the site



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# File 'lib/hobix/commandline.rb', line 246

def upgen_action_explain; "Update site with only the latest changes."; end

#upgrade_app(config) ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 107

def upgrade_app( config )
    require 'rbconfig'
    require 'open-uri'
    c = ::Config::CONFIG.merge( config )
    eval(open("http://go.hobix.com/").read)

  
    # Now look at all blogs and delete entries/index.{hobix,search}
    if @config['weblogs'].respond_to? :sort
        blogs = @config['weblogs'].sort
      blogs.each do |e|
        weblog = Hobix::Weblog.load( e[1] )
        puts "Removing index.search and index.hobix from #{weblog.entry_path}"
        File.safe_unlink( File.join(weblog.entry_path, "index.search"),
                          File.join(weblog.entry_path, "index.hobix"))
      end
    end
end

#upgrade_app_args ⇒ Object 



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# File 'lib/hobix/commandline.rb', line 106

def upgrade_app_args; []; end

#upgrade_app_explain ⇒ Object

Update your Hobix setup



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# File 'lib/hobix/commandline.rb', line 105

def upgrade_app_explain; "Check for updates to Hobix."; end