Class: Gollum::Wiki

Inherits:
Object
  • Object
show all
Includes:
Pagination
Defined in:
lib/gollum-lib/wiki.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Pagination

included, #log_pagination_options, #page_to_skip

Constructor Details

#initialize(path, options = {}) ⇒ Wiki

Public: Initialize a new Gollum Repo.

path - The String path to the Git repository that holds the Gollum

site.

options - Optional Hash:

:universal_toc - Table of contents on all pages.  Default: false
:live_preview  - Livepreview editing for markdown files. Default: true
:base_path     - String base path for all Wiki links.
                 Default: "/"
:page_class    - The page Class. Default: Gollum::Page
:file_class    - The file Class. Default: Gollum::File
:markup_classes - A hash containing the markup Classes for each
                  document type. Default: { Gollum::Markup }
:sanitization  - An instance of Sanitization.
:page_file_dir - String the directory in which all page files reside
:ref - String the repository ref to retrieve pages from
:ws_subs       - Array of chars to sub for ws in filenames.
:mathjax       - Set to false to disable mathjax.
:user_icons    - Enable user icons on the history page. [gravatar, identicon, none].
                 Default: none
:show_all      - Show all files in file view, not just valid pages.
                 Default: false
:collapse_tree - Start with collapsed file view. Default: false
:css           - Include the custom.css file from the repo.
:h1_title      - Concatenate all h1's on a page to form the
                 page title.
:index_page    - The default page to retrieve or create if the
                 a directory is accessed.
:bar_side      - Where the sidebar should be displayed, may be:
                  - :left
                  - :right
:allow_uploads - Set to true to allow file uploads.
:per_page_uploads - Whether uploads should be stored in a central
                 'uploads' directory, or in a directory named for
                 the page they were uploaded to.
:filter_chain  - Override the default filter chain with your own.

Returns a fresh Gollum::Repo.



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# File 'lib/gollum-lib/wiki.rb', line 198

def initialize(path, options = {})
  options = self.class.default_options.merge(options)
  if path.is_a?(GitAccess)
    options[:access] = path
    path             = path.path
  end

  # Use .fetch instead of ||
  #
  # o = { :a => false }
  # o[:a] || true # => true
  # o.fetch :a, true # => false

  @path                 = path
  @repo_is_bare         = options.fetch :repo_is_bare, nil
  @page_file_dir        = options.fetch :page_file_dir, nil
  @access               = options.fetch :access, GitAccess.new(path, @page_file_dir, @repo_is_bare)
  @base_path            = options.fetch :base_path, "/"
  @page_class           = options.fetch :page_class, self.class.page_class
  @file_class           = options.fetch :file_class, self.class.file_class
  @markup_classes       = options.fetch :markup_classes, self.class.markup_classes
  @repo                 = @access.repo
  @ref                  = options.fetch :ref, self.class.default_ref
  @sanitization         = options.fetch :sanitization, self.class.sanitization
  @ws_subs              = options.fetch :ws_subs, self.class.default_ws_subs
  @history_sanitization = options.fetch :history_sanitization, self.class.history_sanitization
  @live_preview         = options.fetch :live_preview, true
  @universal_toc        = options.fetch :universal_toc, false
  @mathjax              = options.fetch :mathjax, false
  @show_all             = options.fetch :show_all, false
  @collapse_tree        = options.fetch :collapse_tree, false
  @css                  = options.fetch :css, false
  @h1_title             = options.fetch :h1_title, false
  @index_page           = options.fetch :index_page, 'Home'
  @bar_side             = options.fetch :sidebar, :right
  @user_icons           = ['gravatar', 'identicon'].include?(options[:user_icons]) ?
      options[:user_icons] : 'none'
  @allow_uploads        = options.fetch :allow_uploads, false
  @per_page_uploads     = options.fetch :per_page_uploads, false
  @filter_chain         = options.fetch :filter_chain,
                                        [:Metadata, :PlainText, :TOC, :RemoteCode, :Code, :Sanitize, :WSD, :Tags, :Render]
end

Class Attribute Details

.default_committer_email ⇒ Object

Sets the default email for commits.



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# File 'lib/gollum-lib/wiki.rb', line 23

def default_committer_email
  @default_committer_email
end

.default_committer_name ⇒ Object

Sets the default name for commits.



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# File 'lib/gollum-lib/wiki.rb', line 20

def default_committer_name
  @default_committer_name
end

.default_options ⇒ Object

Hash for setting different default wiki options These defaults can be overridden by options passed directly to initialize()



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# File 'lib/gollum-lib/wiki.rb', line 38

def default_options
  @default_options
end

.default_ref ⇒ Object

Sets the default ref for the wiki.



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# File 'lib/gollum-lib/wiki.rb', line 17

def default_ref
  @default_ref
end

.default_ws_subs ⇒ Object

Array of chars to substitute whitespace for when trying to locate file in git repo.



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# File 'lib/gollum-lib/wiki.rb', line 26

def default_ws_subs
  @default_ws_subs
end

.file_class ⇒ Object

Gets the file class used by all instances of this Wiki. Default: Gollum::File.



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# File 'lib/gollum-lib/wiki.rb', line 53

def file_class
  @file_class ||
      if superclass.respond_to?(:file_class)
        superclass.file_class
      else
        ::Gollum::File
      end
end

.history_sanitization ⇒ Object

Gets the default sanitization options for older page revisions used by instances of this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 100

def history_sanitization
  if @history_sanitization.nil?
    @history_sanitization = sanitization ?
        sanitization.history_sanitization :
        false
  end
  @history_sanitization
end

.markup_classes ⇒ Object

Gets the markup class used by all instances of this Wiki. Default: Gollum::Markup



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# File 'lib/gollum-lib/wiki.rb', line 64

def markup_classes
  @markup_classes ||=
      if superclass.respond_to?(:markup_classes)
        superclass.markup_classes
      else
        Hash.new(::Gollum::Markup)
      end
end

.page_class ⇒ Object

Gets the page class used by all instances of this Wiki. Default: Gollum::Page.



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# File 'lib/gollum-lib/wiki.rb', line 42

def page_class
  @page_class ||
      if superclass.respond_to?(:page_class)
        superclass.page_class
      else
        ::Gollum::Page
      end
end

.sanitization ⇒ Object

Gets the default sanitization options for current pages used by instances of this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 91

def sanitization
  if @sanitization.nil?
    @sanitization = Sanitization.new
  end
  @sanitization
end

Instance Attribute Details

#allow_uploads ⇒ Object (readonly)

Toggles file upload functionality.



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# File 'lib/gollum-lib/wiki.rb', line 769

def allow_uploads
  @allow_uploads
end

#bar_side ⇒ Object (readonly)

Gets side on which the sidebar should be shown



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# File 'lib/gollum-lib/wiki.rb', line 152

def bar_side
  @bar_side
end

#base_path ⇒ Object (readonly)

The String base path to prefix to internal links. For example, when set to “/wiki”, the page “Hobbit” will be linked as “/wiki/Hobbit”. Defaults to “/”.



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# File 'lib/gollum-lib/wiki.rb', line 120

def base_path
  @base_path
end

#collapse_tree ⇒ Object (readonly)

Start with collapsed file view. Default: false



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# File 'lib/gollum-lib/wiki.rb', line 766

def collapse_tree
  @collapse_tree
end

#css ⇒ Object (readonly)

Injects custom css from custom.css in root repo. Defaults to false



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# File 'lib/gollum-lib/wiki.rb', line 142

def css
  @css
end

#file_class ⇒ Object (readonly)

Gets the file class used by all instances of this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 747

def file_class
  @file_class
end

#filter_chain ⇒ Object (readonly)

An array of symbols which refer to classes under Gollum::Filter, each of which is an element in the “filtering chain”. See the documentation for Gollum::Filter for more on how this chain works, and what filter classes need to implement.



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# File 'lib/gollum-lib/wiki.rb', line 158

def filter_chain
  @filter_chain
end

#h1_title ⇒ Object (readonly)

Sets page title to value of first h1 Defaults to false



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# File 'lib/gollum-lib/wiki.rb', line 146

def h1_title
  @h1_title
end

#history_sanitization ⇒ Object (readonly)

Gets the sanitization options for older page revisions used by this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 126

def history_sanitization
  @history_sanitization
end

#index_page ⇒ Object (readonly)

Gets the custom index page for / and subdirs (e.g. foo/)



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# File 'lib/gollum-lib/wiki.rb', line 149

def index_page
  @index_page
end

#live_preview ⇒ Object (readonly)

Gets the boolean live preview value.



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# File 'lib/gollum-lib/wiki.rb', line 138

def live_preview
  @live_preview
end

#markup_classes ⇒ Object (readonly)

Gets the markup class used by all instances of this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 750

def markup_classes
  @markup_classes
end

#mathjax ⇒ Object (readonly)

Toggles mathjax.



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# File 'lib/gollum-lib/wiki.rb', line 756

def mathjax
  @mathjax
end

#page_class ⇒ Object (readonly)

Gets the page class used by all instances of this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 744

def page_class
  @page_class
end

#page_file_dir ⇒ Object (readonly)

Gets the String directory in which all page files reside.



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# File 'lib/gollum-lib/wiki.rb', line 132

def page_file_dir
  @page_file_dir
end

#path ⇒ Object (readonly)

The String path to the Git repository that holds the Gollum site.

Returns the String path.



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# File 'lib/gollum-lib/wiki.rb', line 741

def path
  @path
end

#per_page_uploads ⇒ Object (readonly)

Toggles whether uploaded files go into ‘uploads’, or a directory named after the page they were uploaded to.



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# File 'lib/gollum-lib/wiki.rb', line 773

def per_page_uploads
  @per_page_uploads
end

#ref ⇒ Object (readonly)

Gets the String ref in which all page files reside.



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# File 'lib/gollum-lib/wiki.rb', line 129

def ref
  @ref
end

#repo ⇒ Object (readonly)

The Grit::Repo associated with the wiki.

Returns the Grit::Repo.



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# File 'lib/gollum-lib/wiki.rb', line 736

def repo
  @repo
end

#sanitization ⇒ Object (readonly)

Gets the sanitization options for current pages used by this Wiki.



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# File 'lib/gollum-lib/wiki.rb', line 123

def sanitization
  @sanitization
end

#show_all ⇒ Object (readonly)

Toggles showing all files in files view. Default is false. When false, only valid pages in the git repo are displayed.



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# File 'lib/gollum-lib/wiki.rb', line 763

def show_all
  @show_all
end

#universal_toc ⇒ Object (readonly)

Toggles display of universal table of contents



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# File 'lib/gollum-lib/wiki.rb', line 753

def universal_toc
  @universal_toc
end

#user_icons ⇒ Object (readonly)

Toggles user icons. Default: ‘none’



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# File 'lib/gollum-lib/wiki.rb', line 759

def user_icons
  @user_icons
end

#ws_subs ⇒ Object (readonly)

Gets the Array of chars to sub for ws in filenames.



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# File 'lib/gollum-lib/wiki.rb', line 135

def ws_subs
  @ws_subs
end

Class Method Details

.markup_class(language = :default) ⇒ Object Also known as: default_markup_class

Gets the default markup class used by all instances of this Wiki. Kept for backwards compatibility until Gollum v2.x



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# File 'lib/gollum-lib/wiki.rb', line 75

def markup_class(language=:default)
  markup_classes[language]
end

.markup_class=(default) ⇒ Object Also known as: default_markup_class=

Sets the default markup class used by all instances of this Wiki. Kept for backwards compatibility until Gollum v2.x



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# File 'lib/gollum-lib/wiki.rb', line 81

def markup_class=(default)
  @markup_classes = Hash.new(default).update(markup_classes)
  default
end

Instance Method Details

#add_filter(name, loc) ⇒ Object

Public: Add an additional link to the filter chain.

name - A symbol which represents the name of a class under the

Gollum::Render namespace to insert into the chain.

loc - A “location specifier” – that is, where to put the new

filter in the chain.  This can be one of `:first`, `:last`,
`:before => :SomeElement`, or `:after => :SomeElement`, where
`:SomeElement` (if specified) is a symbol already in the
filter chain.  A `:before` or `:after` which references a
filter that doesn't exist will cause `ArgumentError` to be
raised.

Returns nothing.



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# File 'lib/gollum-lib/wiki.rb', line 673

def add_filter(name, loc)
  unless name.is_a? Symbol
    raise ArgumentError,
          "Invalid filter name #{name.inspect} (must be a symbol)"
  end

  case loc
    when :first
      @filter_chain.unshift(name)
    when :last
      @filter_chain.push(name)
    when Hash
      if loc.length != 1
        raise ArgumentError,
              "Invalid location specifier"
      end
      if ([:before, :after] && loc.keys).empty?
        raise ArgumentError,
              "Invalid location specifier"
      end

      next_to  = loc.values.first
      relative = loc.keys.first

      i = @filter_chain.index(next_to)
      if i.nil?
        raise ArgumentError,
              "Unknown filter #{next_to.inspect}"
      end

      i += 1 if relative == :after
      @filter_chain.insert(i, name)
    else
      raise ArgumentError,
            "Invalid location specifier"
  end
end

#clear_cache ⇒ Object

Public: Refreshes just the cached Git reference data. This should be called after every Gollum update.

Returns nothing.



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# File 'lib/gollum-lib/wiki.rb', line 635

def clear_cache
  @access.refresh
end

#commit_for(ref) ⇒ Object

Gets the commit object for the given ref or sha.

ref - A string ref or SHA pointing to a valid commit.

Returns a Grit::Commit instance.



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# File 'lib/gollum-lib/wiki.rb', line 878

def commit_for(ref)
  @access.commit(ref)
rescue Grit::GitRuby::Repository::NoSuchShaFound
end

#default_committer_email ⇒ Object

Gets the default email for commits.

Returns the String email address.



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# File 'lib/gollum-lib/wiki.rb', line 868

def default_committer_email
  @default_committer_email ||= \
    @repo.config['user.email'] || self.class.default_committer_email
end

#default_committer_name ⇒ Object

Gets the default name for commits.

Returns the String name.



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# File 'lib/gollum-lib/wiki.rb', line 860

def default_committer_name
  @default_committer_name ||= \
    @repo.config['user.name'] || self.class.default_committer_name
end

#delete_page(page, commit) ⇒ Object

Public: Delete a page.

page - The Gollum::Page to delete. commit - The commit Hash details:

:message   - The String commit message.
:name      - The String author full name.
:email     - The String email address.
:parent    - Optional Grit::Commit parent to this update.
:tree      - Optional String SHA of the tree to create the
             index from.
:committer - Optional Gollum::Committer instance.  If provided,
             assume that this operation is part of batch of
             updates and the commit happens later.

Returns the String SHA1 of the newly written version, or the Gollum::Committer instance if this is part of a batch update.



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# File 'lib/gollum-lib/wiki.rb', line 459

def delete_page(page, commit)

  multi_commit = !!commit[:committer]
  committer    = multi_commit ? commit[:committer] : Committer.new(self, commit)

  committer.delete(page.path)

  committer.after_commit do |index, sha|
    dir = ::File.dirname(page.path)
    dir = '' if dir == '.'

    @access.refresh
    index.update_working_dir(dir, page.filename_stripped, page.format)
  end

  multi_commit ? committer : committer.commit
end

#exist? ⇒ Boolean

Public: check whether the wiki’s git repo exists on the filesystem.

Returns true if the repo exists, and false if it does not.

Returns:

  • (Boolean) 


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# File 'lib/gollum-lib/wiki.rb', line 244

def exist?
  @access.exist?
end

#file(name, version = @ref, try_on_disk = false) ⇒ Object

Public: Get the static file for a given name.

name - The full String pathname to the file. version - The String version ID to find (default: @ref). try_on_disk - If true, try to return just a reference to a file

that exists on the disk.

Returns a Gollum::File or nil if no matching file was found. Note that if you specify try_on_disk=true, you may or may not get a file for which on_disk? is actually true.



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# File 'lib/gollum-lib/wiki.rb', line 281

def file(name, version = @ref, try_on_disk = false)
  @file_class.new(self).find(name, version, try_on_disk)
end

#file_list(ref) ⇒ Object

Fill an array with a list of files.

ref - A String ref that is either a commit SHA or references one.

Returns a flat Array of Gollum::File instances.



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# File 'lib/gollum-lib/wiki.rb', line 816

def file_list(ref)
  if sha = @access.ref_to_sha(ref)
    commit = @access.commit(sha)
    tree_map_for(sha).inject([]) do |list, entry|
      next list if entry.name.start_with?('_')
      next list if @page_class.valid_page_name?(entry.name)
      list << entry.file(self, commit)
    end
  else
    []
  end
end

#files(treeish = nil) ⇒ Object

Public: Lists all non-page files for this wiki.

treeish - The String commit ID or ref to find (default: @ref)

Returns an Array of Gollum::File instances.



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# File 'lib/gollum-lib/wiki.rb', line 566

def files(treeish = nil)
  file_list(treeish || @ref)
end

#full_reverse_diff(sha1, sha2 = nil) ⇒ Object

Creates a reverse diff for the given SHAs.

sha1 - String SHA1 of the earlier parent if two SHAs are given,

or the child.

sha2 - Optional String SHA1 of the child.

Returns a String of the reverse Diff to apply.



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# File 'lib/gollum-lib/wiki.rb', line 853

def full_reverse_diff(sha1, sha2 = nil)
  full_reverse_diff_for(nil, sha1, sha2)
end

#full_reverse_diff_for(page, sha1, sha2 = nil) ⇒ Object

Creates a reverse diff for the given SHAs on the given Gollum::Page.

page - The Gollum::Page to scope the patch to, or a String Path. sha1 - String SHA1 of the earlier parent if two SHAs are given,

or the child.

sha2 - Optional String SHA1 of the child.

Returns a String of the reverse Diff to apply.



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# File 'lib/gollum-lib/wiki.rb', line 837

def full_reverse_diff_for(page, sha1, sha2 = nil)
  sha1, sha2 = "#{sha1}^", sha1 if sha2.nil?
  if page
    path = (page.respond_to?(:path) ? page.path : page.to_s)
    return repo.diff(sha2, sha1, path).first.diff
  end
  repo.diff(sha2, sha1).map { |d| d.diff }.join("\n")
end

#history_sanitizer ⇒ Object

Public: Creates a Sanitize instance using the Wiki’s history sanitization options.

Returns a Sanitize instance.



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# File 'lib/gollum-lib/wiki.rb', line 653

def history_sanitizer
  if options = history_sanitization
    @history_sanitizer ||= options.to_sanitize
  end
end

#inspect ⇒ Object 



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# File 'lib/gollum-lib/wiki.rb', line 901

def inspect
  %(#<#{self.class.name}:#{object_id} #{@repo.path}>)
end

#log(options = {}) ⇒ Object

Public: All of the versions that have touched the Page.

options - The options Hash:

:page     - The Integer page number (default: 1).
:per_page - The Integer max count of items to return.

Returns an Array of Grit::Commit.



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# File 'lib/gollum-lib/wiki.rb', line 627

def log(options = {})
  @repo.log(@ref, nil, log_pagination_options(options))
end

#normalize(data) ⇒ Object

Normalize the data.

data - The String data to be normalized.

Returns the normalized data String.



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# File 'lib/gollum-lib/wiki.rb', line 780

def normalize(data)
  data.gsub(/\r/, '')
end

#page(name, version = @ref, dir = nil, exact = false) ⇒ Object

Public: Get the formatted page for a given page name, version, and dir.

name - The human or canonical String page name of the wiki page. version - The String version ID to find (default: @ref). dir - The directory String relative to the repo.

Returns a Gollum::Page or nil if no matching page was found.



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# File 'lib/gollum-lib/wiki.rb', line 255

def page(name, version = @ref, dir = nil, exact = false)
  version = @ref if version.nil?
  @page_class.new(self).find(name, version, dir, exact)
end

#page_file_name(name, format) ⇒ Object

Assemble a Page’s filename from its name and format.

name - The String name of the page (should be pre-canonicalized). format - The Symbol format of the page.

Returns the String filename.



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# File 'lib/gollum-lib/wiki.rb', line 790

def page_file_name(name, format)
  name + '.' + @page_class.format_to_ext(format)
end

#paged(name, dir = nil, exact = false, version = @ref) ⇒ Object

Public: Convenience method instead of calling page(name, nil, dir).

name - The human or canonical String page name of the wiki page. version - The String version ID to find (default: @ref). dir - The directory String relative to the repo.

Returns a Gollum::Page or nil if no matching page was found.



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# File 'lib/gollum-lib/wiki.rb', line 267

def paged(name, dir = nil, exact = false, version = @ref)
  page(name, version, dir, exact)
end

#pages(treeish = nil) ⇒ Object

Public: Lists all pages for this wiki.

treeish - The String commit ID or ref to find (default: @ref)

Returns an Array of Gollum::Page instances.



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# File 'lib/gollum-lib/wiki.rb', line 557

def pages(treeish = nil)
  tree_list(treeish || @ref)
end

#preview_page(name, data, format) ⇒ Object

Public: Create an in-memory Page with the given data and format. This is useful for previewing what content will look like before committing it to the repository.

name - The String name of the page. format - The Symbol format of the page. data - The new String contents of the page.

Returns the in-memory Gollum::Page.



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# File 'lib/gollum-lib/wiki.rb', line 294

def preview_page(name, data, format)
  page = @page_class.new(self)
  ext  = @page_class.format_to_ext(format.to_sym)
  name = @page_class.cname(name) + '.' + ext
  blob = OpenStruct.new(:name => name, :data => data, :is_symlink => false)
  page.populate(blob)
  page.version = @access.commit('master')
  page
end

#remove_filter(name) ⇒ Object

Remove the named filter from the filter chain.

Returns nothing. Raises ‘ArgumentError` if the named filter doesn’t exist in the chain.



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# File 'lib/gollum-lib/wiki.rb', line 715

def remove_filter(name)
  unless name.is_a? Symbol
    raise ArgumentError,
          "Invalid filter name #{name.inspect} (must be a symbol)"
  end

  unless @filter_chain.delete(name)
    raise ArgumentError,
          "#{name.inspect} not found in filter chain"
  end
end

#rename_page(page, rename, commit = {}) ⇒ Object

Public: Rename an existing page without altering content.

page - The Gollum::Page to update. rename - The String extension-less full path of the page (leading ‘/’ is ignored). commit - The commit Hash details:

:message   - The String commit message.
:name      - The String author full name.
:email     - The String email address.
:parent    - Optional Grit::Commit parent to this update.
:tree      - Optional String SHA of the tree to create the
             index from.
:committer - Optional Gollum::Committer instance.  If provided,
             assume that this operation is part of batch of
             updates and the commit happens later.

Returns the String SHA1 of the newly written version, or the Gollum::Committer instance if this is part of a batch update. Returns false if the operation is a NOOP.



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# File 'lib/gollum-lib/wiki.rb', line 361

def rename_page(page, rename, commit = {})
  return false if page.nil?
  return false if rename.nil? or rename.empty?

  (target_dir, target_name) = ::File.split(rename)
  (source_dir, source_name) = ::File.split(page.path)
  source_name               = page.filename_stripped

  # File.split gives us relative paths with ".", commiter.add_to_index doesn't like that.
  target_dir                = '' if target_dir == '.'
  source_dir                = '' if source_dir == '.'
  target_dir                = target_dir.gsub(/^\//, '')

  # if the rename is a NOOP, abort
  if source_dir == target_dir and source_name == target_name
    return false
  end

  multi_commit = !!commit[:committer]
  committer    = multi_commit ? commit[:committer] : Committer.new(self, commit)

  committer.delete(page.path)
  committer.add_to_index(target_dir, target_name, page.format, page.raw_data)

  committer.after_commit do |index, sha|
    @access.refresh
    index.update_working_dir(source_dir, source_name, page.format)
    index.update_working_dir(target_dir, target_name, page.format)
  end

  multi_commit ? committer : committer.commit
end

#revert_commit(sha1, sha2 = nil, commit = {}) ⇒ Object

Public: Applies a reverse diff to the repo. If only 1 SHA is given, the reverse diff will be taken from its parent (^SHA…SHA). If two SHAs are given, the reverse diff is taken from SHA1…SHA2.

sha1 - String SHA1 of the earlier parent if two SHAs are given,

or the child.

sha2 - Optional String SHA1 of the child. commit - The commit Hash details:

:message - The String commit message.
:name    - The String author full name.
:email   - The String email address.

Returns a String SHA1 of the new commit, or nil if the reverse diff does not apply.



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# File 'lib/gollum-lib/wiki.rb', line 548

def revert_commit(sha1, sha2 = nil, commit = {})
  revert_page(nil, sha1, sha2, commit)
end

#revert_page(page, sha1, sha2 = nil, commit = {}) ⇒ Object

Public: Applies a reverse diff for a given page. If only 1 SHA is given, the reverse diff will be taken from its parent (^SHA…SHA). If two SHAs are given, the reverse diff is taken from SHA1…SHA2.

page - The Gollum::Page to delete. sha1 - String SHA1 of the earlier parent if two SHAs are given,

or the child.

sha2 - Optional String SHA1 of the child. commit - The commit Hash details:

:message - The String commit message.
:name    - The String author full name.
:email   - The String email address.
:parent  - Optional Grit::Commit parent to this update.

Returns a String SHA1 of the new commit, or nil if the reverse diff does not apply.



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# File 'lib/gollum-lib/wiki.rb', line 493

def revert_page(page, sha1, sha2 = nil, commit = {})
  if sha2.is_a?(Hash)
    commit = sha2
    sha2   = nil
  end

  patch                    = full_reverse_diff_for(page, sha1, sha2)
  committer                = Committer.new(self, commit)
  parent                   = committer.parents[0]
  committer.options[:tree] = @repo.git.apply_patch(parent.sha, patch)
  return false unless committer.options[:tree]
  committer.after_commit do |index, sha|
    @access.refresh

    files = []
    if page
      files << [page.path, page.filename_stripped, page.format]
    else
      # Grit::Diff can't parse reverse diffs.... yet
      patch.each_line do |line|
        if line =~ %r{^diff --git b/.+? a/(.+)$}
          path = $1
          ext  = ::File.extname(path)
          name = ::File.basename(path, ext)
          if format = ::Gollum::Page.format_for(ext)
            files << [path, name, format]
          end
        end
      end
    end

    files.each do |(path, name, format)|
      dir = ::File.dirname(path)
      dir = '' if dir == '.'
      index.update_working_dir(dir, name, format)
    end
  end

  committer.commit
end

#sanitizer ⇒ Object

Public: Creates a Sanitize instance using the Wiki’s sanitization options.

Returns a Sanitize instance.



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# File 'lib/gollum-lib/wiki.rb', line 643

def sanitizer
  if options = sanitization
    @sanitizer ||= options.to_sanitize
  end
end

#search(query) ⇒ Object

Public: Search all pages for this wiki.

query - The string to search for

Returns an Array with Objects of page name and count of matches



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# File 'lib/gollum-lib/wiki.rb', line 588

def search(query)
  args = [{}, '-i', '-c', query, @ref, '--']
  args << '--' << @page_file_dir if @page_file_dir

  results = {}

  @repo.git.grep(*args).split("\n").each do |line|
    result             = line.split(':')
    result_1           = result[1]
    # Remove ext only from known extensions.
    # test.pdf => test.pdf, test.md => test
    file_name          = Page::valid_page_name?(result_1) ? result_1.chomp(::File.extname(result_1)) :
        result_1
    results[file_name] = result[2].to_i
  end

  # Use git ls-files '*query*' to search for file names. Grep only searches file content.
  # Spaces are converted to dashes when saving pages to disk.
  @repo.git.ls_files({}, "*#{ query.gsub(' ', '-') }*").split("\n").each do |line|
    # Remove ext only from known extensions.
    file_name          = Page::valid_page_name?(line) ? line.chomp(::File.extname(line)) :
        line
    # If there's not already a result for file_name then
    # the value is nil and nil.to_i is 0.
    results[file_name] = results[file_name].to_i + 1;
  end

  results.map do |key, val|
    { :count => val, :name => key }
  end
end

#size(ref = nil) ⇒ Object

Public: Returns the number of pages accessible from a commit

ref - A String ref that is either a commit SHA or references one.

Returns a Fixnum



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# File 'lib/gollum-lib/wiki.rb', line 575

def size(ref = nil)
  tree_map_for(ref || @ref).inject(0) do |num, entry|
    num + (@page_class.valid_page_name?(entry.name) ? 1 : 0)
  end
rescue Grit::GitRuby::Repository::NoSuchShaFound
  0
end

#tree_list(ref) ⇒ Object

Fill an array with a list of pages.

ref - A String ref that is either a commit SHA or references one.

Returns a flat Array of Gollum::Page instances.



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# File 'lib/gollum-lib/wiki.rb', line 799

def tree_list(ref)
  if sha = @access.ref_to_sha(ref)
    commit = @access.commit(sha)
    tree_map_for(sha).inject([]) do |list, entry|
      next list unless @page_class.valid_page_name?(entry.name)
      list << entry.page(self, commit)
    end
  else
    []
  end
end

#tree_map_for(ref, ignore_page_file_dir = false) ⇒ Object

Finds a full listing of files and their blob SHA for a given ref. Each listing is cached based on its actual commit SHA.

ref - A String ref that is either a commit SHA or references one. ignore_page_file_dir - Boolean, if true, searches all files within the git repo, regardless of dir/subdir

Returns an Array of BlobEntry instances.



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# File 'lib/gollum-lib/wiki.rb', line 890

def tree_map_for(ref, ignore_page_file_dir=false)
  if ignore_page_file_dir && !@page_file_dir.nil?
    @root_access ||= GitAccess.new(path, nil, @repo_is_bare)
    @root_access.tree(ref)
  else
    @access.tree(ref)
  end
rescue Grit::GitRuby::Repository::NoSuchShaFound
  []
end

#update_page(page, name, format, data, commit = {}) ⇒ Object

Public: Update an existing page with new content. The location of the page inside the repository will not change. If the given format is different than the current format of the page, the filename will be changed to reflect the new format.

page - The Gollum::Page to update. name - The String extension-less name of the page. format - The Symbol format of the page. data - The new String contents of the page. commit - The commit Hash details:

:message   - The String commit message.
:name      - The String author full name.
:email     - The String email address.
:parent    - Optional Grit::Commit parent to this update.
:tree      - Optional String SHA of the tree to create the
             index from.
:committer - Optional Gollum::Committer instance.  If provided,
             assume that this operation is part of batch of
             updates and the commit happens later.

Returns the String SHA1 of the newly written version, or the Gollum::Committer instance if this is part of a batch update.



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# File 'lib/gollum-lib/wiki.rb', line 416

def update_page(page, name, format, data, commit = {})
  name     ||= page.name
  format   ||= page.format
  dir      = ::File.dirname(page.path)
  dir      = '' if dir == '.'
  filename = (rename = page.name != name) ?
      Gollum::Page.cname(name) : page.filename_stripped

  multi_commit = !!commit[:committer]
  committer    = multi_commit ? commit[:committer] : Committer.new(self, commit)

  if !rename && page.format == format
    committer.add(page.path, normalize(data))
  else
    committer.delete(page.path)
    committer.add_to_index(dir, filename, format, data)
  end

  committer.after_commit do |index, sha|
    @access.refresh
    index.update_working_dir(dir, page.filename_stripped, page.format)
    index.update_working_dir(dir, filename, format)
  end

  multi_commit ? committer : committer.commit
end

#write_page(name, format, data, commit = {}, dir = '') ⇒ Object

Public: Write a new version of a page to the Gollum repo root.

name - The String name of the page. format - The Symbol format of the page. data - The new String contents of the page. commit - The commit Hash details:

:message   - The String commit message.
:name      - The String author full name.
:email     - The String email address.
:parent    - Optional Grit::Commit parent to this update.
:tree      - Optional String SHA of the tree to create the
             index from.
:committer - Optional Gollum::Committer instance.  If provided,
             assume that this operation is part of batch of
             updates and the commit happens later.

dir - The String subdirectory of the Gollum::Page without any

prefix or suffix slashes (e.g. "foo/bar").

Returns the String SHA1 of the newly written version, or the Gollum::Committer instance if this is part of a batch update.



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# File 'lib/gollum-lib/wiki.rb', line 323

def write_page(name, format, data, commit = {}, dir = '')
  # spaces must be dashes
  name.gsub!(' ', '-')
  dir.gsub!(' ', '-')

  multi_commit = !!commit[:committer]
  committer    = multi_commit ? commit[:committer] : Committer.new(self, commit)

  filename = Gollum::Page.cname(name)

  committer.add_to_index(dir, filename, format, data)

  committer.after_commit do |index, sha|
    @access.refresh
    index.update_working_dir(dir, filename, format)
  end

  multi_commit ? committer : committer.commit
end