Replacing gollum libs for custom gitlab ones

5 files changed, 23 insertions, 220 deletions

diff --git a/Gemfile b/Gemfile
index 647138cd90f..a8cc34125f5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -82,16 +82,9 @@ gem 'net-ldap'
 
 # Git Wiki
 # Required manually in config/initializers/gollum.rb to control load order
-# Before updating this gem, check if
-# https://github.com/gollum/gollum-lib/pull/292 has been merged.
-# If it has, then remove the monkey patch for update_page, rename_page and raw_data_in_committer
-# in config/initializers/gollum.rb
-gem 'gollum-lib', '~> 4.2', require: false
-
-# Before updating this gem, check if
-# https://github.com/gollum/rugged_adapter/pull/28 has been merged.
-# If it has, then remove the monkey patch for tree_entry in config/initializers/gollum.rb
-gem 'gollum-rugged_adapter', '~> 0.4.4', require: false
+gem 'gitlab-gollum-lib', '~> 4.2'
+
+gem 'gitlab-gollum-rugged_adapter', '~> 0.4.4', require: false
 
 # Language detection
 gem 'github-linguist', '~> 5.3.3', require: 'linguist'
diff --git a/Gemfile.lock b/Gemfile.lock
index 76e1a17155f..c3716baa762 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -298,11 +298,22 @@ GEM
       escape_utils (~> 1.1.0)
       mime-types (>= 1.19)
       rugged (>= 0.25.1)
-    github-markup (1.6.1)
+    github-markup (1.7.0)
     gitlab-flowdock-git-hook (1.0.1)
       flowdock (~> 0.7)
       gitlab-grit (>= 2.4.1)
       multi_json
+    gitlab-gollum-lib (4.2.7.1)
+      gemojione (~> 3.2)
+      github-markup (~> 1.6)
+      gollum-grit_adapter (~> 1.0)
+      nokogiri (>= 1.6.1, < 2.0)
+      rouge (~> 2.1)
+      sanitize (~> 2.1)
+      stringex (~> 2.6)
+    gitlab-gollum-rugged_adapter (0.4.4)
+      mime-types (>= 1.15)
+      rugged (~> 0.25)
     gitlab-grit (2.8.2)
       charlock_holmes (~> 0.6)
       diff-lcs (~> 1.1)
@@ -325,17 +336,6 @@ GEM
       activesupport (>= 4.2, < 5.2)
     gollum-grit_adapter (1.0.1)
       gitlab-grit (~> 2.7, >= 2.7.1)
-    gollum-lib (4.2.7)
-      gemojione (~> 3.2)
-      github-markup (~> 1.6)
-      gollum-grit_adapter (~> 1.0)
-      nokogiri (>= 1.6.1, < 2.0)
-      rouge (~> 2.1)
-      sanitize (~> 2.1)
-      stringex (~> 2.6)
-    gollum-rugged_adapter (0.4.4)
-      mime-types (>= 1.15)
-      rugged (~> 0.25)
     gon (6.1.0)
       actionpack (>= 3.0)
       json
@@ -910,7 +910,7 @@ GEM
     state_machines-activerecord (0.5.1)
       activerecord (>= 4.1, < 6.0)
       state_machines-activemodel (>= 0.5.0)
-    stringex (2.7.1)
+    stringex (2.8.4)
     sys-filesystem (1.1.6)
       ffi
     sysexits (1.2.0)
@@ -1067,12 +1067,12 @@ DEPENDENCIES
   gitaly-proto (~> 0.94.0)
   github-linguist (~> 5.3.3)
   gitlab-flowdock-git-hook (~> 1.0.1)
+  gitlab-gollum-lib (~> 4.2)
+  gitlab-gollum-rugged_adapter (~> 0.4.4)
   gitlab-markup (~> 1.6.2)
   gitlab-styles (~> 2.3)
   gitlab_omniauth-ldap (~> 2.0.4)
   goldiloader (~> 2.0)
-  gollum-lib (~> 4.2)
-  gollum-rugged_adapter (~> 0.4.4)
   gon (~> 6.1.0)
   google-api-client (~> 0.19.8)
   google-protobuf (= 3.5.1)
diff --git a/changelogs/unreleased/fj-change-gollum-gems-to-custom-ones.yml b/changelogs/unreleased/fj-change-gollum-gems-to-custom-ones.yml
new file mode 100644
index 00000000000..53883e8d907
--- /dev/null
+++ b/changelogs/unreleased/fj-change-gollum-gems-to-custom-ones.yml
@@ -0,0 +1,5 @@
+---
+title: Replacing gollum libraries for gitlab custom libs
+merge_request: 18343
+author:
+type: other
diff --git a/config/initializers/gollum.rb b/config/initializers/gollum.rb
index 6dfaceb8427..81e0577a7c9 100644
--- a/config/initializers/gollum.rb
+++ b/config/initializers/gollum.rb
@@ -7,139 +7,6 @@ module Gollum
 end
 require "gollum-lib"
 
-module Gollum
-  class Committer
-    # Patch for UTF-8 path
-    def method_missing(name, *args)
-      index.send(name, *args)
-    end
-  end
-
-  class Wiki
-    def pages(treeish = nil, limit: nil)
-      tree_list((treeish || @ref), limit: limit)
-    end
-
-    def tree_list(ref, limit: nil)
-      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)
-          break list if limit && list.size >= limit
-
-          list
-        end
-      else
-        []
-      end
-    end
-
-    # Remove if https://github.com/gollum/gollum-lib/pull/292 has been merged
-    def update_page(page, name, format, data, commit = {})
-      name = name ? ::File.basename(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
-
-    # Remove if https://github.com/gollum/gollum-lib/pull/292 has been merged
-    def rename_page(page, rename, commit = {})
-      return false if page.nil?
-      return false if rename.nil? || 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(/^\//, '') # rubocop:disable Style/RegexpLiteral
-
-      # if the rename is a NOOP, abort
-      if source_dir == target_dir && source_name == target_name
-        return false
-      end
-
-      multi_commit = !!commit[:committer]
-      committer    = multi_commit ? commit[:committer] : Committer.new(self, commit)
-
-      # This piece only works for multi_commit
-      # If we are in a commit batch and one of the previous operations
-      # has updated the page, any information we ask to the page can be outdated.
-      # Therefore, we should ask first to the current committer tree to see if
-      # there is any updated change.
-      raw_data = raw_data_in_committer(committer, source_dir, page.filename) ||
-        raw_data_in_committer(committer, source_dir, "#{target_name}.#{Page.format_to_ext(page.format)}") ||
-        page.raw_data
-
-      committer.delete(page.path)
-      committer.add_to_index(target_dir, target_name, page.format, 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
-
-    # Remove if https://github.com/gollum/gollum-lib/pull/292 has been merged
-    def raw_data_in_committer(committer, dir, filename)
-      data = nil
-
-      [*dir.split(::File::SEPARATOR), filename].each do |key|
-        data = data ? data[key] : committer.tree[key]
-        break unless data
-      end
-
-      data
-    end
-  end
-
-  module Git
-    class Git
-      def tree_entry(commit, path)
-        pathname = Pathname.new(path)
-        tmp_entry = nil
-
-        pathname.each_filename do |dir|
-          tmp_entry = if tmp_entry.nil?
-                        commit.tree[dir]
-                      else
-                        @repo.lookup(tmp_entry[:oid])[dir]
-                      end
-
-          return nil unless tmp_entry
-        end
-        tmp_entry
-      end
-    end
-  end
-end
-
 Rails.application.configure do
   config.after_initialize do
     Gollum::Page.per_page = Kaminari.config.default_per_page
diff --git a/spec/initializers/gollum_spec.rb b/spec/initializers/gollum_spec.rb
deleted file mode 100644
index adf824a8947..00000000000
--- a/spec/initializers/gollum_spec.rb
+++ /dev/null
@@ -1,62 +0,0 @@
-require 'spec_helper'
-
-describe 'gollum' do
-  let(:project) { create(:project) }
-  let(:user) { project.owner }
-  let(:wiki) { ProjectWiki.new(project, user) }
-  let(:gollum_wiki) { Gollum::Wiki.new(wiki.repository.path) }
-
-  before do
-    create_page(page_name, 'content1')
-  end
-
-  after do
-    destroy_page(page_name)
-  end
-
-  context 'with simple paths' do
-    let(:page_name) { 'page1' }
-
-    it 'returns the entry hash if it matches the file name' do
-      expect(tree_entry(page_name)).not_to be_nil
-    end
-
-    it 'returns nil if the path does not fit completely' do
-      expect(tree_entry("foo/#{page_name}")).to be_nil
-    end
-  end
-
-  context 'with complex paths' do
-    let(:page_name) { '/foo/bar/page2' }
-
-    it 'returns the entry hash if it matches the file name' do
-      expect(tree_entry(page_name)).not_to be_nil
-    end
-
-    it 'returns nil if the path does not fit completely' do
-      expect(tree_entry("foo1/bar/page2")).to be_nil
-      expect(tree_entry("foo/bar1/page2")).to be_nil
-    end
-  end
-
-  def tree_entry(name)
-    gollum_wiki.repo.git.tree_entry(wiki_commits[0].commit, name + '.md')
-  end
-
-  def wiki_commits
-    gollum_wiki.repo.commits
-  end
-
-  def commit_details
-    Gitlab::Git::Wiki::CommitDetails.new(user.name, user.email, "test commit")
-  end
-
-  def create_page(name, content)
-    wiki.wiki.write_page(name, :markdown, content, commit_details)
-  end
-
-  def destroy_page(name)
-    page = wiki.find_page(name).page
-    wiki.delete_page(page, "test commit")
-  end
-end