From a06f30d04826b5b9b13b327c0b3ac9d40018b52a Mon Sep 17 00:00:00 2001
From: Felipe Artur <felipefac@gmail.com>
Date: Tue, 8 Nov 2016 18:42:37 -0200
Subject: WIP

---
 .../project_services/issue_tracker_service.rb       |  8 ++++++++
 app/models/project_services/jira_service.rb         |  8 ++++++++
 lib/gitlab/closing_issue_extractor.rb               | 21 ++++++++++++++-------
 3 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/app/models/project_services/issue_tracker_service.rb b/app/models/project_services/issue_tracker_service.rb
index 207bb816ad1..5e6ec775a9c 100644
--- a/app/models/project_services/issue_tracker_service.rb
+++ b/app/models/project_services/issue_tracker_service.rb
@@ -7,6 +7,14 @@ class IssueTrackerService < Service
     @reference_pattern ||= %r{(\b[A-Z][A-Z0-9_]+-|#{Issue.reference_prefix})(?<issue>\d+)}
   end
 
+  # Pattern used to detect preceedings words to an issue refeence which
+  # should close a issue.
+  # Override this method on services that uses different patterns
+  def closing_pattern
+    @pattern ||= Gitlab.config.gitlab.issue_closing_pattern.
+      sub('%{issue_ref}', "(?:(?:#{link_pattern})|(?:#{Issue.reference_pattern}))")
+  end
+
   def default?
     default
   end
diff --git a/app/models/project_services/jira_service.rb b/app/models/project_services/jira_service.rb
index 2dbe0075465..ea027116047 100644
--- a/app/models/project_services/jira_service.rb
+++ b/app/models/project_services/jira_service.rb
@@ -35,6 +35,14 @@ class JiraService < IssueTrackerService
     @reference_pattern ||= %r{(?<issue>\b([A-Z][A-Z0-9_]+-)\d+)}
   end
 
+  def closing_pattern
+    @closing_pattern ||= begin
+
+    rescue Errno::ECONNREFUSED, JIRA::HTTPError => e
+      Rails.logger.info "#{self.class.name} ERROR: #{e.message}. API URL: #{url}."
+    end
+  end
+
   def initialize_properties
     super do
       self.properties = {
diff --git a/lib/gitlab/closing_issue_extractor.rb b/lib/gitlab/closing_issue_extractor.rb
index 58f86abc5c4..ec39a76a961 100644
--- a/lib/gitlab/closing_issue_extractor.rb
+++ b/lib/gitlab/closing_issue_extractor.rb
@@ -1,14 +1,15 @@
 module Gitlab
   class ClosingIssueExtractor
-    ISSUE_CLOSING_REGEX = begin
-      link_pattern = URI.regexp(%w(http https))
+    # ISSUE_CLOSING_REGEX = begin
+    #   link_pattern = URI.regexp(%w(http https))
 
-      pattern = Gitlab.config.gitlab.issue_closing_pattern
-      pattern = pattern.sub('%{issue_ref}', "(?:(?:#{link_pattern})|(?:#{Issue.reference_pattern}))")
-      Regexp.new(pattern).freeze
-    end
+    #   pattern = Gitlab.config.gitlab.issue_closing_pattern
+    #   pattern = pattern.sub('%{issue_ref}', "(?:(?:#{link_pattern})|(?:#{Issue.reference_pattern}))")
+    #   Regexp.new(pattern).freeze
+    # end
 
     def initialize(project, current_user = nil)
+      @project   = project
       @extractor = Gitlab::ReferenceExtractor.new(project, current_user)
     end
 
@@ -16,7 +17,7 @@ module Gitlab
       return [] if message.nil?
 
       closing_statements = []
-      message.scan(ISSUE_CLOSING_REGEX) do
+      message.scan(closing_pattern) do
         closing_statements << Regexp.last_match[0]
       end
 
@@ -26,5 +27,11 @@ module Gitlab
         @extractor.project.forked_from?(issue.project) # Don't extract issues on original project
       end
     end
+
+    private
+
+    def closing_pattern
+      @project.issues_tracker.closing_pattern
+    end
   end
 end
-- 
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