Merge branch 'master' into jej-pages-picked-from-ee

44 files changed, 618 insertions, 222 deletions

diff --git a/lib/api/builds.rb b/lib/api/builds.rb
index af61be343be..44fe0fc4a95 100644
--- a/lib/api/builds.rb
+++ b/lib/api/builds.rb
@@ -209,7 +209,7 @@ module API
 
         build = get_build!(params[:build_id])
 
-        bad_request!("Unplayable Build") unless build.playable?
+        bad_request!("Unplayable Job") unless build.playable?
 
         build.play(current_user)
 
diff --git a/lib/api/commits.rb b/lib/api/commits.rb
index e6d707f3c3d..2fefe760d24 100644
--- a/lib/api/commits.rb
+++ b/lib/api/commits.rb
@@ -54,7 +54,7 @@ module API
         authorize! :push_code, user_project
 
         attrs = declared_params
-        attrs[:source_branch] = attrs[:branch_name]
+        attrs[:start_branch] = attrs[:branch_name]
         attrs[:target_branch] = attrs[:branch_name]
         attrs[:actions].map! do |action|
           action[:action] = action[:action].to_sym
@@ -139,8 +139,6 @@ module API
         commit_params = {
           commit: commit,
           create_merge_request: false,
-          source_project: user_project,
-          source_branch: commit.cherry_pick_branch_name,
           target_branch: params[:branch]
         }
 
diff --git a/lib/api/files.rb b/lib/api/files.rb
index 2e79e22e649..c58472de578 100644
--- a/lib/api/files.rb
+++ b/lib/api/files.rb
@@ -5,7 +5,7 @@ module API
       def commit_params(attrs)
         {
           file_path: attrs[:file_path],
-          source_branch: attrs[:branch_name],
+          start_branch: attrs[:branch_name],
           target_branch: attrs[:branch_name],
           commit_message: attrs[:commit_message],
           file_content: attrs[:content],
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index a1d7b323f4f..eb5b947172a 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -45,7 +45,7 @@ module API
       if id =~ /^\d+$/
         Project.find_by(id: id)
       else
-        Project.find_with_namespace(id)
+        Project.find_by_full_path(id)
       end
     end
 
diff --git a/lib/api/helpers/internal_helpers.rb b/lib/api/helpers/internal_helpers.rb
index e8975eb57e0..080a6274957 100644
--- a/lib/api/helpers/internal_helpers.rb
+++ b/lib/api/helpers/internal_helpers.rb
@@ -30,7 +30,7 @@ module API
 
       def wiki?
         @wiki ||= project_path.end_with?('.wiki') &&
-          !Project.find_with_namespace(project_path)
+          !Project.find_by_full_path(project_path)
       end
 
       def project
@@ -41,7 +41,7 @@ module API
           # the wiki repository as well.
           project_path.chomp!('.wiki') if wiki?
 
-          Project.find_with_namespace(project_path)
+          Project.find_by_full_path(project_path)
         end
       end
 
diff --git a/lib/api/project_snippets.rb b/lib/api/project_snippets.rb
index 9d8c5b63685..dcc0c82ee27 100644
--- a/lib/api/project_snippets.rb
+++ b/lib/api/project_snippets.rb
@@ -58,7 +58,7 @@ module API
       end
       post ":id/snippets" do
         authorize! :create_project_snippet, user_project
-        snippet_params = declared_params
+        snippet_params = declared_params.merge(request: request, api: true)
         snippet_params[:content] = snippet_params.delete(:code)
 
         snippet = CreateSnippetService.new(user_project, current_user, snippet_params).execute
diff --git a/lib/api/snippets.rb b/lib/api/snippets.rb
index e096e636806..eb9ece49e7f 100644
--- a/lib/api/snippets.rb
+++ b/lib/api/snippets.rb
@@ -64,7 +64,7 @@ module API
                                     desc: 'The visibility level of the snippet'
       end
       post do
-        attrs = declared_params(include_missing: false)
+        attrs = declared_params(include_missing: false).merge(request: request, api: true)
         snippet = CreateSnippetService.new(nil, current_user, attrs).execute
 
         if snippet.persisted?
diff --git a/lib/api/users.rb b/lib/api/users.rb
index 11a7368b4c0..0ed468626b7 100644
--- a/lib/api/users.rb
+++ b/lib/api/users.rb
@@ -160,6 +160,8 @@ module API
           end
         end
 
+        user_params.merge!(password_expires_at: Time.now) if user_params[:password].present?
+
         if user.update_attributes(user_params.except(:extern_uid, :provider))
           present user, with: Entities::UserPublic
         else
diff --git a/lib/banzai/cross_project_reference.rb b/lib/banzai/cross_project_reference.rb
index 0257848b6bc..e2b57adf611 100644
--- a/lib/banzai/cross_project_reference.rb
+++ b/lib/banzai/cross_project_reference.rb
@@ -14,7 +14,7 @@ module Banzai
     def project_from_ref(ref)
       return context[:project] unless ref
 
-      Project.find_with_namespace(ref)
+      Project.find_by_full_path(ref)
     end
   end
 end
diff --git a/lib/banzai/filter/plantuml_filter.rb b/lib/banzai/filter/plantuml_filter.rb
new file mode 100644
index 00000000000..e194cf59275
--- /dev/null
+++ b/lib/banzai/filter/plantuml_filter.rb
@@ -0,0 +1,39 @@
+require "nokogiri"
+require "asciidoctor-plantuml/plantuml"
+
+module Banzai
+  module Filter
+    # HTML that replaces all `code plantuml` tags with PlantUML img tags.
+    #
+    class PlantumlFilter < HTML::Pipeline::Filter
+      def call
+        return doc unless doc.at('pre.plantuml') and settings.plantuml_enabled
+
+        plantuml_setup
+
+        doc.css('pre.plantuml').each do |el|
+          img_tag = Nokogiri::HTML::DocumentFragment.parse(
+            Asciidoctor::PlantUml::Processor.plantuml_content(el.content, {}))
+          el.replace img_tag
+        end
+
+        doc
+      end
+
+      private
+
+      def settings
+        ApplicationSetting.current || ApplicationSetting.create_from_defaults
+      end
+
+      def plantuml_setup
+        Asciidoctor::PlantUml.configure do |conf|
+          conf.url = settings.plantuml_url
+          conf.png_enable = settings.plantuml_enabled
+          conf.svg_enable = false
+          conf.txt_enable = false
+        end
+      end
+    end
+  end
+end
diff --git a/lib/banzai/pipeline/gfm_pipeline.rb b/lib/banzai/pipeline/gfm_pipeline.rb
index ac95a79009b..b25d6f18d59 100644
--- a/lib/banzai/pipeline/gfm_pipeline.rb
+++ b/lib/banzai/pipeline/gfm_pipeline.rb
@@ -10,6 +10,7 @@ module Banzai
       def self.filters
         @filters ||= FilterArray[
           Filter::SyntaxHighlightFilter,
+          Filter::PlantumlFilter,
           Filter::SanitizationFilter,
 
           Filter::MathFilter,
diff --git a/lib/ci/gitlab_ci_yaml_processor.rb b/lib/ci/gitlab_ci_yaml_processor.rb
index 7463bd719d5..649ee4d018b 100644
--- a/lib/ci/gitlab_ci_yaml_processor.rb
+++ b/lib/ci/gitlab_ci_yaml_processor.rb
@@ -61,6 +61,7 @@ module Ci
         allow_failure: job[:allow_failure] || false,
         when: job[:when] || 'on_success',
         environment: job[:environment_name],
+        coverage_regex: job[:coverage],
         yaml_variables: yaml_variables(name),
         options: {
           image: job[:image],
diff --git a/lib/constraints/project_url_constrainer.rb b/lib/constraints/project_url_constrainer.rb
index 730b05bed97..a10b4657d7d 100644
--- a/lib/constraints/project_url_constrainer.rb
+++ b/lib/constraints/project_url_constrainer.rb
@@ -8,6 +8,6 @@ class ProjectUrlConstrainer
       return false
     end
 
-    Project.find_with_namespace(full_path).present?
+    Project.find_by_full_path(full_path).present?
   end
 end
diff --git a/lib/gitlab/auth.rb b/lib/gitlab/auth.rb
index 8dda65c71ef..f638905a1e0 100644
--- a/lib/gitlab/auth.rb
+++ b/lib/gitlab/auth.rb
@@ -10,13 +10,16 @@ module Gitlab
       def find_for_git_client(login, password, project:, ip:)
         raise "Must provide an IP for rate limiting" if ip.nil?
 
+        # `user_with_password_for_git` should be the last check
+        # because it's the most expensive, especially when LDAP
+        # is enabled.
         result =
           service_request_check(login, password, project) ||
           build_access_token_check(login, password) ||
-          user_with_password_for_git(login, password) ||
-          oauth_access_token_check(login, password) ||
           lfs_token_check(login, password) ||
+          oauth_access_token_check(login, password) ||
           personal_access_token_check(login, password) ||
+          user_with_password_for_git(login, password) ||
           Gitlab::Auth::Result.new
 
         rate_limit!(ip, success: result.success?, login: login)
@@ -143,7 +146,9 @@ module Gitlab
             read_authentication_abilities
           end
 
-        Result.new(actor, nil, token_handler.type, authentication_abilities) if Devise.secure_compare(token_handler.token, password)
+        if Devise.secure_compare(token_handler.token, password)
+          Gitlab::Auth::Result.new(actor, nil, token_handler.type, authentication_abilities)
+        end
       end
 
       def build_access_token_check(login, password)
diff --git a/lib/gitlab/chat_commands/base_command.rb b/lib/gitlab/chat_commands/base_command.rb
index 4fe53ce93a9..25da8474e95 100644
--- a/lib/gitlab/chat_commands/base_command.rb
+++ b/lib/gitlab/chat_commands/base_command.rb
@@ -42,10 +42,6 @@ module Gitlab
       def find_by_iid(iid)
         collection.find_by(iid: iid)
       end
-
-      def presenter
-        Gitlab::ChatCommands::Presenter.new
-      end
     end
   end
 end
diff --git a/lib/gitlab/chat_commands/command.rb b/lib/gitlab/chat_commands/command.rb
index 145086755e4..f34ed0f4cf2 100644
--- a/lib/gitlab/chat_commands/command.rb
+++ b/lib/gitlab/chat_commands/command.rb
@@ -3,7 +3,7 @@ module Gitlab
     class Command < BaseCommand
       COMMANDS = [
         Gitlab::ChatCommands::IssueShow,
-        Gitlab::ChatCommands::IssueCreate,
+        Gitlab::ChatCommands::IssueNew,
         Gitlab::ChatCommands::IssueSearch,
         Gitlab::ChatCommands::Deploy,
       ].freeze
@@ -13,51 +13,32 @@ module Gitlab
 
         if command
           if command.allowed?(project, current_user)
-            present command.new(project, current_user, params).execute(match)
+            command.new(project, current_user, params).execute(match)
           else
-            access_denied
+            Gitlab::ChatCommands::Presenters::Access.new.access_denied
           end
         else
-          help(help_messages)
+          Gitlab::ChatCommands::Help.new(project, current_user, params).execute(available_commands, params[:text])
         end
       end
 
       def match_command
         match = nil
-        service = available_commands.find do |klass|
-          match = klass.match(command)
-        end
+        service =
+          available_commands.find do |klass|
+            match = klass.match(params[:text])
+          end
 
         [service, match]
       end
 
       private
 
-      def help_messages
-        available_commands.map(&:help_message)
-      end
-
       def available_commands
         COMMANDS.select do |klass|
           klass.available?(project)
         end
       end
-
-      def command
-        params[:text]
-      end
-
-      def help(messages)
-        presenter.help(messages, params[:command])
-      end
-
-      def access_denied
-        presenter.access_denied
-      end
-
-      def present(resource)
-        presenter.present(resource)
-      end
     end
   end
 end
diff --git a/lib/gitlab/chat_commands/deploy.rb b/lib/gitlab/chat_commands/deploy.rb
index 7127d2f6d04..458d90f84e8 100644
--- a/lib/gitlab/chat_commands/deploy.rb
+++ b/lib/gitlab/chat_commands/deploy.rb
@@ -1,8 +1,6 @@
 module Gitlab
   module ChatCommands
     class Deploy < BaseCommand
-      include Gitlab::Routing.url_helpers
-
       def self.match(text)
         /\Adeploy\s+(?<from>\S+.*)\s+to+\s+(?<to>\S+.*)\z/.match(text)
       end
@@ -24,35 +22,29 @@ module Gitlab
         to = match[:to]
 
         actions = find_actions(from, to)
-        return unless actions.present?
 
-        if actions.one?
-          play!(from, to, actions.first)
+        if actions.none?
+          Gitlab::ChatCommands::Presenters::Deploy.new(nil).no_actions
+        elsif actions.one?
+          action = play!(from, to, actions.first)
+          Gitlab::ChatCommands::Presenters::Deploy.new(action).present(from, to)
         else
-          Result.new(:error, 'Too many actions defined')
+          Gitlab::ChatCommands::Presenters::Deploy.new(actions).too_many_actions
         end
       end
 
       private
 
       def play!(from, to, action)
-        new_action = action.play(current_user)
-
-        Result.new(:success, "Deployment from #{from} to #{to} started. Follow the progress: #{url(new_action)}.")
+        action.play(current_user)
       end
 
       def find_actions(from, to)
         environment = project.environments.find_by(name: from)
-        return unless environment
+        return [] unless environment
 
         environment.actions_for(to).select(&:starts_environment?)
       end
-
-      def url(subject)
-        polymorphic_url(
-          [subject.project.namespace.becomes(Namespace), subject.project, subject]
-        )
-      end
     end
   end
 end
diff --git a/lib/gitlab/chat_commands/help.rb b/lib/gitlab/chat_commands/help.rb
new file mode 100644
index 00000000000..6c0e4d304a4
--- /dev/null
+++ b/lib/gitlab/chat_commands/help.rb
@@ -0,0 +1,28 @@
+module Gitlab
+  module ChatCommands
+    class Help < BaseCommand
+      # This class has to be used last, as it always matches. It has to match
+      # because other commands were not triggered and we want to show the help
+      # command
+      def self.match(_text)
+        true
+      end
+
+      def self.help_message
+        'help'
+      end
+
+      def self.allowed?(_project, _user)
+        true
+      end
+
+      def execute(commands, text)
+        Gitlab::ChatCommands::Presenters::Help.new(commands).present(trigger, text)
+      end
+
+      def trigger
+        params[:command]
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/issue_create.rb b/lib/gitlab/chat_commands/issue_new.rb
index cefb6775db8..016054ecd46 100644
--- a/lib/gitlab/chat_commands/issue_create.rb
+++ b/lib/gitlab/chat_commands/issue_new.rb
@@ -1,8 +1,8 @@
 module Gitlab
   module ChatCommands
-    class IssueCreate < IssueCommand
+    class IssueNew < IssueCommand
       def self.match(text)
-        # we can not match \n with the dot by passing the m modifier as than 
+        # we can not match \n with the dot by passing the m modifier as than
         # the title and description are not seperated
         /\Aissue\s+(new|create)\s+(?<title>[^\n]*)\n*(?<description>(.|\n)*)/.match(text)
       end
@@ -19,8 +19,24 @@ module Gitlab
         title = match[:title]
         description = match[:description].to_s.rstrip
 
+        issue = create_issue(title: title, description: description)
+
+        if issue.persisted?
+          presenter(issue).present
+        else
+          presenter(issue).display_errors
+        end
+      end
+
+      private
+
+      def create_issue(title:, description:)
         Issues::CreateService.new(project, current_user, title: title, description: description).execute
       end
+
+      def presenter(issue)
+        Gitlab::ChatCommands::Presenters::IssueNew.new(issue)
+      end
     end
   end
 end
diff --git a/lib/gitlab/chat_commands/issue_search.rb b/lib/gitlab/chat_commands/issue_search.rb
index 51bf80c800b..3491b53093e 100644
--- a/lib/gitlab/chat_commands/issue_search.rb
+++ b/lib/gitlab/chat_commands/issue_search.rb
@@ -10,7 +10,13 @@ module Gitlab
       end
 
       def execute(match)
-        collection.search(match[:query]).limit(QUERY_LIMIT)
+        issues = collection.search(match[:query]).limit(QUERY_LIMIT)
+
+        if issues.present?
+          Presenters::IssueSearch.new(issues).present
+        else
+          Presenters::Access.new(issues).not_found
+        end
       end
     end
   end
diff --git a/lib/gitlab/chat_commands/issue_show.rb b/lib/gitlab/chat_commands/issue_show.rb
index 2a45d49cf6b..d6013f4d10c 100644
--- a/lib/gitlab/chat_commands/issue_show.rb
+++ b/lib/gitlab/chat_commands/issue_show.rb
@@ -10,7 +10,13 @@ module Gitlab
       end
 
       def execute(match)
-        find_by_iid(match[:iid])
+        issue = find_by_iid(match[:iid])
+
+        if issue
+          Gitlab::ChatCommands::Presenters::IssueShow.new(issue).present
+        else
+          Gitlab::ChatCommands::Presenters::Access.new.not_found
+        end
       end
     end
   end
diff --git a/lib/gitlab/chat_commands/presenter.rb b/lib/gitlab/chat_commands/presenter.rb
deleted file mode 100644
index 8930a21f406..00000000000
--- a/lib/gitlab/chat_commands/presenter.rb
+++ /dev/null
@@ -1,131 +0,0 @@
-module Gitlab
-  module ChatCommands
-    class Presenter
-      include Gitlab::Routing
-
-      def authorize_chat_name(url)
-        message = if url
-                    ":wave: Hi there! Before I do anything for you, please [connect your GitLab account](#{url})."
-                  else
-                    ":sweat_smile: Couldn't identify you, nor can I autorize you!"
-                  end
-
-        ephemeral_response(message)
-      end
-
-      def help(commands, trigger)
-        if commands.none?
-          ephemeral_response("No commands configured")
-        else
-          commands.map! { |command| "#{trigger} #{command}" }
-          message = header_with_list("Available commands", commands)
-
-          ephemeral_response(message)
-        end
-      end
-
-      def present(subject)
-        return not_found unless subject
-
-        if subject.is_a?(Gitlab::ChatCommands::Result)
-          show_result(subject)
-        elsif subject.respond_to?(:count)
-          if subject.none?
-            not_found
-          elsif subject.one?
-            single_resource(subject.first)
-          else
-            multiple_resources(subject)
-          end
-        else
-          single_resource(subject)
-        end
-      end
-
-      def access_denied
-        ephemeral_response("Whoops! That action is not allowed. This incident will be [reported](https://xkcd.com/838/).")
-      end
-
-      private
-
-      def show_result(result)
-        case result.type
-        when :success
-          in_channel_response(result.message)
-        else
-          ephemeral_response(result.message)
-        end
-      end
-
-      def not_found
-        ephemeral_response("404 not found! GitLab couldn't find what you were looking for! :boom:")
-      end
-
-      def single_resource(resource)
-        return error(resource) if resource.errors.any? || !resource.persisted?
-
-        message = "#{title(resource)}:"
-        message << "\n\n#{resource.description}" if resource.try(:description)
-
-        in_channel_response(message)
-      end
-
-      def multiple_resources(resources)
-        titles = resources.map { |resource| title(resource) }
-
-        message = header_with_list("Multiple results were found:", titles)
-
-        ephemeral_response(message)
-      end
-
-      def error(resource)
-        message = header_with_list("The action was not successful, because:", resource.errors.messages)
-
-        ephemeral_response(message)
-      end
-
-      def title(resource)
-        reference = resource.try(:to_reference) || resource.try(:id)
-        title = resource.try(:title) || resource.try(:name)
-
-        "[#{reference} #{title}](#{url(resource)})"
-      end
-
-      def header_with_list(header, items)
-        message = [header]
-
-        items.each do |item|
-          message << "- #{item}"
-        end
-
-        message.join("\n")
-      end
-
-      def url(resource)
-        url_for(
-          [
-            resource.project.namespace.becomes(Namespace),
-            resource.project,
-            resource
-          ]
-        )
-      end
-
-      def ephemeral_response(message)
-        {
-          response_type: :ephemeral,
-          text: message,
-          status: 200
-        }
-      end
-
-      def in_channel_response(message)
-        {
-          response_type: :in_channel,
-          text: message,
-          status: 200
-        }
-      end
-    end
-  end
-end
diff --git a/lib/gitlab/chat_commands/presenters/access.rb b/lib/gitlab/chat_commands/presenters/access.rb
new file mode 100644
index 00000000000..92f4fa17f78
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/access.rb
@@ -0,0 +1,40 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class Access < Presenters::Base
+        def access_denied
+          ephemeral_response(text: "Whoops! This action is not allowed. This incident will be [reported](https://xkcd.com/838/).")
+        end
+
+        def not_found
+          ephemeral_response(text: "404 not found! GitLab couldn't find what you were looking for! :boom:")
+        end
+
+        def authorize
+          message =
+            if @resource
+              ":wave: Hi there! Before I do anything for you, please [connect your GitLab account](#{@resource})."
+            else
+              ":sweat_smile: Couldn't identify you, nor can I autorize you!"
+            end
+
+          ephemeral_response(text: message)
+        end
+
+        def unknown_command(commands)
+          ephemeral_response(text: help_message(trigger))
+        end
+
+        private
+
+        def help_message(trigger)
+          header_with_list("Command not found, these are the commands you can use", full_commands(trigger))
+        end
+
+        def full_commands(trigger)
+          @resource.map { |command| "#{trigger} #{command.help_message}" }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/base.rb b/lib/gitlab/chat_commands/presenters/base.rb
new file mode 100644
index 00000000000..2700a5a2ad5
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/base.rb
@@ -0,0 +1,77 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class Base
+        include Gitlab::Routing.url_helpers
+
+        def initialize(resource = nil)
+          @resource = resource
+        end
+
+        def display_errors
+          message = header_with_list("The action was not successful, because:", @resource.errors.full_messages)
+
+          ephemeral_response(text: message)
+        end
+
+        private
+
+        def header_with_list(header, items)
+          message = [header]
+
+          items.each do |item|
+            message << "- #{item}"
+          end
+
+          message.join("\n")
+        end
+
+        def ephemeral_response(message)
+          response = {
+            response_type: :ephemeral,
+            status: 200
+          }.merge(message)
+
+          format_response(response)
+        end
+
+        def in_channel_response(message)
+          response = {
+            response_type: :in_channel,
+            status: 200
+          }.merge(message)
+
+          format_response(response)
+        end
+
+        def format_response(response)
+          response[:text] = format(response[:text]) if response.has_key?(:text)
+
+          if response.has_key?(:attachments)
+            response[:attachments].each do |attachment|
+              attachment[:pretext] = format(attachment[:pretext]) if attachment[:pretext]
+              attachment[:text] = format(attachment[:text]) if attachment[:text]
+            end
+          end
+
+          response
+        end
+
+        # Convert Markdown to slacks format
+        def format(string)
+          Slack::Notifier::LinkFormatter.format(string)
+        end
+
+        def resource_url
+          url_for(
+            [
+              @resource.project.namespace.becomes(Namespace),
+              @resource.project,
+              @resource
+            ]
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/deploy.rb b/lib/gitlab/chat_commands/presenters/deploy.rb
new file mode 100644
index 00000000000..863d0bf99ca
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/deploy.rb
@@ -0,0 +1,21 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class Deploy < Presenters::Base
+        def present(from, to)
+          message = "Deployment started from #{from} to #{to}. [Follow its progress](#{resource_url})."
+
+          in_channel_response(text: message)
+        end
+
+        def no_actions
+          ephemeral_response(text: "No action found to be executed")
+        end
+
+        def too_many_actions
+          ephemeral_response(text: "Too many actions defined")
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/help.rb b/lib/gitlab/chat_commands/presenters/help.rb
new file mode 100644
index 00000000000..cd47b7f4c6a
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/help.rb
@@ -0,0 +1,27 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class Help < Presenters::Base
+        def present(trigger, text)
+          ephemeral_response(text: help_message(trigger, text))
+        end
+
+        private
+
+        def help_message(trigger, text)
+          return "No commands available :thinking_face:" unless @resource.present?
+
+          if text.start_with?('help')
+            header_with_list("Available commands", full_commands(trigger))
+          else
+            header_with_list("Unknown command, these commands are available", full_commands(trigger)) 
+          end
+        end
+
+        def full_commands(trigger)
+          @resource.map { |command| "#{trigger} #{command.help_message}" }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/issuable.rb b/lib/gitlab/chat_commands/presenters/issuable.rb
new file mode 100644
index 00000000000..dfb1c8f6616
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/issuable.rb
@@ -0,0 +1,43 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      module Issuable
+        def color(issuable)
+          issuable.open? ? '#38ae67' : '#d22852'
+        end
+
+        def status_text(issuable)
+          issuable.open? ? 'Open' : 'Closed'
+        end
+
+        def project
+          @resource.project
+        end
+
+        def author
+          @resource.author
+        end
+
+        def fields
+          [
+            {
+              title: "Assignee",
+              value: @resource.assignee ? @resource.assignee.name : "_None_",
+              short: true
+            },
+            {
+              title: "Milestone",
+              value: @resource.milestone ? @resource.milestone.title : "_None_",
+              short: true
+            },
+            {
+              title: "Labels",
+              value: @resource.labels.any? ? @resource.label_names : "_None_",
+              short: true
+            }
+          ]
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/issue_new.rb b/lib/gitlab/chat_commands/presenters/issue_new.rb
new file mode 100644
index 00000000000..a1a3add56c9
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/issue_new.rb
@@ -0,0 +1,50 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class IssueNew < Presenters::Base
+        include Presenters::Issuable
+
+        def present
+          in_channel_response(new_issue)
+        end
+
+        private
+
+        def new_issue 
+          {
+            attachments: [
+              {
+                title:        "#{@resource.title} · #{@resource.to_reference}",
+                title_link:   resource_url,
+                author_name:  author.name,
+                author_icon:  author.avatar_url,
+                fallback:     "New issue #{@resource.to_reference}: #{@resource.title}",
+                pretext:      pretext,
+                color:        color(@resource),
+                fields:       fields,
+                mrkdwn_in: [
+                  :title,
+                  :pretext,
+                  :text,
+                  :fields
+                ]
+              }
+            ]
+          }
+        end
+
+        def pretext
+          "I created an issue on #{author_profile_link}'s behalf: **#{@resource.to_reference}** in #{project_link}"
+        end
+
+        def project_link
+          "[#{project.name_with_namespace}](#{projects_url(project)})"
+        end
+
+        def author_profile_link
+          "[#{author.to_reference}](#{url_for(author)})"
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/issue_search.rb b/lib/gitlab/chat_commands/presenters/issue_search.rb
new file mode 100644
index 00000000000..3478359b91d
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/issue_search.rb
@@ -0,0 +1,47 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class IssueSearch < Presenters::Base
+        include Presenters::Issuable
+
+        def present
+          text = if @resource.count >= 5
+                   "Here are the first 5 issues I found:"
+                 elsif @resource.one?
+                   "Here is the only issue I found:"
+                 else
+                   "Here are the #{@resource.count} issues I found:"
+                 end
+
+          ephemeral_response(text: text, attachments: attachments)
+        end
+
+        private
+
+        def attachments
+          @resource.map do |issue|
+            url = "[#{issue.to_reference}](#{url_for([namespace, project, issue])})"
+
+            {
+              color: color(issue),
+              fallback: "#{issue.to_reference} #{issue.title}",
+              text: "#{url} · #{issue.title} (#{status_text(issue)})",
+
+              mrkdwn_in: [
+                :text
+              ]
+            }
+          end
+        end
+
+        def project
+          @project ||= @resource.first.project
+        end
+
+        def namespace
+          @namespace ||= project.namespace.becomes(Namespace)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/chat_commands/presenters/issue_show.rb b/lib/gitlab/chat_commands/presenters/issue_show.rb
new file mode 100644
index 00000000000..fe5847ccd15
--- /dev/null
+++ b/lib/gitlab/chat_commands/presenters/issue_show.rb
@@ -0,0 +1,61 @@
+module Gitlab
+  module ChatCommands
+    module Presenters
+      class IssueShow < Presenters::Base
+        include Presenters::Issuable
+
+        def present
+          if @resource.confidential?
+            ephemeral_response(show_issue)
+          else
+            in_channel_response(show_issue)
+          end
+        end
+
+        private
+
+        def show_issue
+          {
+            attachments: [
+              {
+                title:        "#{@resource.title} · #{@resource.to_reference}",
+                title_link:   resource_url,
+                author_name:  author.name,
+                author_icon:  author.avatar_url,
+                fallback:     "Issue #{@resource.to_reference}: #{@resource.title}",
+                pretext:      pretext,
+                text:         text,
+                color:        color(@resource),
+                fields:       fields,
+                mrkdwn_in: [
+                  :pretext,
+                  :text,
+                  :fields
+                ]
+              }
+            ]
+          }
+        end
+
+        def text
+          message = "**#{status_text(@resource)}**"
+
+          if @resource.upvotes.zero? && @resource.downvotes.zero? && @resource.user_notes_count.zero?
+            return message
+          end
+
+          message << " · "
+          message << ":+1: #{@resource.upvotes} " unless @resource.upvotes.zero?
+          message << ":-1: #{@resource.downvotes} " unless @resource.downvotes.zero?
+          message << ":speech_balloon: #{@resource.user_notes_count}" unless @resource.user_notes_count.zero?
+
+          message
+        end
+
+        def pretext
+          "Issue *#{@resource.to_reference}* from #{project.name_with_namespace}"
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/config/entry/coverage.rb b/lib/gitlab/ci/config/entry/coverage.rb
new file mode 100644
index 00000000000..12a063059cb
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/coverage.rb
@@ -0,0 +1,22 @@
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        ##
+        # Entry that represents Coverage settings.
+        #
+        class Coverage < Node
+          include Validatable
+
+          validations do
+            validates :config, regexp: true
+          end
+
+          def value
+            @config[1...-1]
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/config/entry/global.rb b/lib/gitlab/ci/config/entry/global.rb
index a4ec8f0ff2f..ede97cc0504 100644
--- a/lib/gitlab/ci/config/entry/global.rb
+++ b/lib/gitlab/ci/config/entry/global.rb
@@ -33,8 +33,11 @@ module Gitlab
           entry :cache, Entry::Cache,
             description: 'Configure caching between build jobs.'
 
+          entry :coverage, Entry::Coverage,
+               description: 'Coverage configuration for this pipeline.'
+
           helpers :before_script, :image, :services, :after_script,
-                  :variables, :stages, :types, :cache, :jobs
+                  :variables, :stages, :types, :cache, :coverage, :jobs
 
           def compose!(_deps = nil)
             super(self) do
diff --git a/lib/gitlab/ci/config/entry/job.rb b/lib/gitlab/ci/config/entry/job.rb
index a55362f0b6b..69a5e6f433d 100644
--- a/lib/gitlab/ci/config/entry/job.rb
+++ b/lib/gitlab/ci/config/entry/job.rb
@@ -11,7 +11,7 @@ module Gitlab
 
           ALLOWED_KEYS = %i[tags script only except type image services allow_failure
                             type stage when artifacts cache dependencies before_script
-                            after_script variables environment]
+                            after_script variables environment coverage]
 
           validations do
             validates :config, allowed_keys: ALLOWED_KEYS
@@ -71,9 +71,12 @@ module Gitlab
           entry :environment, Entry::Environment,
                description: 'Environment configuration for this job.'
 
+          entry :coverage, Entry::Coverage,
+               description: 'Coverage configuration for this job.'
+
           helpers :before_script, :script, :stage, :type, :after_script,
                   :cache, :image, :services, :only, :except, :variables,
-                  :artifacts, :commands, :environment
+                  :artifacts, :commands, :environment, :coverage
 
           attributes :script, :tags, :allow_failure, :when, :dependencies
 
@@ -130,6 +133,7 @@ module Gitlab
               variables: variables_defined? ? variables_value : nil,
               environment: environment_defined? ? environment_value : nil,
               environment_name: environment_defined? ? environment_value[:name] : nil,
+              coverage: coverage_defined? ? coverage_value : nil,
               artifacts: artifacts_value,
               after_script: after_script_value }
           end
diff --git a/lib/gitlab/ci/config/entry/legacy_validation_helpers.rb b/lib/gitlab/ci/config/entry/legacy_validation_helpers.rb
index f01975aab5c..9b9a0a8125a 100644
--- a/lib/gitlab/ci/config/entry/legacy_validation_helpers.rb
+++ b/lib/gitlab/ci/config/entry/legacy_validation_helpers.rb
@@ -28,17 +28,21 @@ module Gitlab
             value.is_a?(String) || value.is_a?(Symbol)
           end
 
+          def validate_regexp(value)
+            !value.nil? && Regexp.new(value.to_s) && true
+          rescue RegexpError, TypeError
+            false
+          end
+
           def validate_string_or_regexp(value)
             return true if value.is_a?(Symbol)
             return false unless value.is_a?(String)
 
             if value.first == '/' && value.last == '/'
-              Regexp.new(value[1...-1])
+              validate_regexp(value[1...-1])
             else
               true
             end
-          rescue RegexpError
-            false
           end
 
           def validate_boolean(value)
diff --git a/lib/gitlab/ci/config/entry/trigger.rb b/lib/gitlab/ci/config/entry/trigger.rb
index 28b0a9ffe01..16b234e6c59 100644
--- a/lib/gitlab/ci/config/entry/trigger.rb
+++ b/lib/gitlab/ci/config/entry/trigger.rb
@@ -9,15 +9,7 @@ module Gitlab
           include Validatable
 
           validations do
-            include LegacyValidationHelpers
-
-            validate :array_of_strings_or_regexps
-
-            def array_of_strings_or_regexps
-              unless validate_array_of_strings_or_regexps(config)
-                errors.add(:config, 'should be an array of strings or regexps')
-              end
-            end
+            validates :config, array_of_strings_or_regexps: true
           end
         end
       end
diff --git a/lib/gitlab/ci/config/entry/validators.rb b/lib/gitlab/ci/config/entry/validators.rb
index 8632dd0e233..bd7428b1272 100644
--- a/lib/gitlab/ci/config/entry/validators.rb
+++ b/lib/gitlab/ci/config/entry/validators.rb
@@ -54,6 +54,51 @@ module Gitlab
             end
           end
 
+          class RegexpValidator < ActiveModel::EachValidator
+            include LegacyValidationHelpers
+
+            def validate_each(record, attribute, value)
+              unless validate_regexp(value)
+                record.errors.add(attribute, 'must be a regular expression')
+              end
+            end
+
+            private
+
+            def look_like_regexp?(value)
+              value.is_a?(String) && value.start_with?('/') &&
+                value.end_with?('/')
+            end
+
+            def validate_regexp(value)
+              look_like_regexp?(value) &&
+                Regexp.new(value.to_s[1...-1]) &&
+                true
+            rescue RegexpError
+              false
+            end
+          end
+
+          class ArrayOfStringsOrRegexpsValidator < RegexpValidator
+            def validate_each(record, attribute, value)
+              unless validate_array_of_strings_or_regexps(value)
+                record.errors.add(attribute, 'should be an array of strings or regexps')
+              end
+            end
+
+            private
+
+            def validate_array_of_strings_or_regexps(values)
+              values.is_a?(Array) && values.all?(&method(:validate_string_or_regexp))
+            end
+
+            def validate_string_or_regexp(value)
+              return false unless value.is_a?(String)
+              return validate_regexp(value) if look_like_regexp?(value)
+              true
+            end
+          end
+
           class TypeValidator < ActiveModel::EachValidator
             def validate_each(record, attribute, value)
               type = options[:with]
diff --git a/lib/gitlab/email/handler/create_issue_handler.rb b/lib/gitlab/email/handler/create_issue_handler.rb
index 127fae159d5..b8ec9138c10 100644
--- a/lib/gitlab/email/handler/create_issue_handler.rb
+++ b/lib/gitlab/email/handler/create_issue_handler.rb
@@ -34,7 +34,7 @@ module Gitlab
         end
 
         def project
-          @project ||= Project.find_with_namespace(project_path)
+          @project ||= Project.find_by_full_path(project_path)
         end
 
         private
diff --git a/lib/gitlab/git.rb b/lib/gitlab/git.rb
index 3cd515e4a3a..d3df3f1bca1 100644
--- a/lib/gitlab/git.rb
+++ b/lib/gitlab/git.rb
@@ -6,7 +6,7 @@ module Gitlab
 
     class << self
       def ref_name(ref)
-        ref.gsub(/\Arefs\/(tags|heads)\//, '')
+        ref.sub(/\Arefs\/(tags|heads)\//, '')
       end
 
       def branch_name(ref)
diff --git a/lib/gitlab/git_post_receive.rb b/lib/gitlab/git_post_receive.rb
index d32bdd86427..6babea144c7 100644
--- a/lib/gitlab/git_post_receive.rb
+++ b/lib/gitlab/git_post_receive.rb
@@ -30,11 +30,11 @@ module Gitlab
 
     def retrieve_project_and_type
       @type = :project
-      @project = Project.find_with_namespace(@repo_path)
+      @project = Project.find_by_full_path(@repo_path)
 
       if @repo_path.end_with?('.wiki') && !@project
         @type = :wiki
-        @project = Project.find_with_namespace(@repo_path.gsub(/\.wiki\z/, ''))
+        @project = Project.find_by_full_path(@repo_path.gsub(/\.wiki\z/, ''))
       end
     end
 
diff --git a/lib/gitlab/request_profiler/middleware.rb b/lib/gitlab/request_profiler/middleware.rb
index 786e1d49f5e..ef42b0557e0 100644
--- a/lib/gitlab/request_profiler/middleware.rb
+++ b/lib/gitlab/request_profiler/middleware.rb
@@ -1,5 +1,4 @@
 require 'ruby-prof'
-require_dependency 'gitlab/request_profiler'
 
 module Gitlab
   module RequestProfiler
@@ -20,7 +19,7 @@ module Gitlab
         header_token = env['HTTP_X_PROFILE_TOKEN']
         return unless header_token.present?
 
-        profile_token = RequestProfiler.profile_token
+        profile_token = Gitlab::RequestProfiler.profile_token
         return unless profile_token.present?
 
         header_token == profile_token
diff --git a/lib/rouge/lexers/plantuml.rb b/lib/rouge/lexers/plantuml.rb
new file mode 100644
index 00000000000..7d5700b7f6d
--- /dev/null
+++ b/lib/rouge/lexers/plantuml.rb
@@ -0,0 +1,21 @@
+module Rouge
+  module Lexers
+    class Plantuml < Lexer
+      title "A passthrough lexer used for PlantUML input"
+      desc "A boring lexer that doesn't highlight anything"
+
+      tag 'plantuml'
+      mimetypes 'text/plain'
+
+      default_options token: 'Text'
+
+      def token
+        @token ||= Token[option :token]
+      end
+
+      def stream_tokens(string, &b)
+        yield self.token, string
+      end
+    end
+  end
+end
diff --git a/lib/tasks/gitlab/cleanup.rake b/lib/tasks/gitlab/cleanup.rake
index 4a696a52b4d..967f630ef20 100644
--- a/lib/tasks/gitlab/cleanup.rake
+++ b/lib/tasks/gitlab/cleanup.rake
@@ -58,7 +58,7 @@ namespace :gitlab do
               sub(%r{^/*}, '').
               chomp('.git').
               chomp('.wiki')
-            next if Project.find_with_namespace(repo_with_namespace)
+            next if Project.find_by_full_path(repo_with_namespace)
             new_path = path + move_suffix
             puts path.inspect + ' -> ' + new_path.inspect
             File.rename(path, new_path)
diff --git a/lib/tasks/gitlab/import.rake b/lib/tasks/gitlab/import.rake
index a2eca74a3c8..b4015f5238e 100644
--- a/lib/tasks/gitlab/import.rake
+++ b/lib/tasks/gitlab/import.rake
@@ -29,7 +29,7 @@ namespace :gitlab do
             next
           end
 
-          project = Project.find_with_namespace(path)
+          project = Project.find_by_full_path(path)
 
           if project
             puts " * #{project.name} (#{repo_path}) exists"
@@ -63,7 +63,7 @@ namespace :gitlab do
 
             if project.persisted?
               puts " * Created #{project.name} (#{repo_path})".color(:green)
-              ProjectCacheWorker.perform(project.id)
+              ProjectCacheWorker.perform_async(project.id)
             else
               puts " * Failed trying to create #{project.name} (#{repo_path})".color(:red)
               puts "   Errors: #{project.errors.messages}".color(:red)
diff --git a/lib/tasks/gitlab/sidekiq.rake b/lib/tasks/gitlab/sidekiq.rake
index 7e2a6668e59..f2e12d85045 100644
--- a/lib/tasks/gitlab/sidekiq.rake
+++ b/lib/tasks/gitlab/sidekiq.rake
@@ -7,7 +7,7 @@ namespace :gitlab do
       unless args.project.present?
         abort "Please specify the project you want to drop PostReceive jobs for:\n  rake gitlab:sidekiq:drop_post_receive[group/project]"
       end
-      project_path = Project.find_with_namespace(args.project).repository.path_to_repo
+      project_path = Project.find_by_full_path(args.project).repository.path_to_repo
 
       Sidekiq.redis do |redis|
         unless redis.exists(QUEUE)