Inline the gitlab-flowdock-git-hooks gem

This allows us to avoid one transitive dependency on gitlab-grit. The
aim is to remove all transitive dependencies.

1 files changed, 96 insertions, 0 deletions

diff --git a/lib/flowdock/git.rb b/lib/flowdock/git.rb
new file mode 100644
index 00000000000..43e729c27d7
--- /dev/null
+++ b/lib/flowdock/git.rb
@@ -0,0 +1,96 @@
+
+require "multi_json"
+require "cgi"
+require "flowdock"
+require "flowdock/git/builder"
+
+module Flowdock
+  class Git
+    class TokenError < StandardError; end
+
+    class << self
+      def post(ref, from, to, options = {})
+        Git.new(ref, from, to, options).post
+      end
+
+      def background_post(ref, from, to, options = {})
+        Git.new(ref, from, to, options).background_post
+      end
+    end
+
+    def initialize(ref, from, to, options = {})
+      @ref = ref
+      @from = from
+      @to = to
+      @options = options
+      @token = options[:token] || config["flowdock.token"] || raise(TokenError.new("Flowdock API token not found"))
+      @commit_url = options[:commit_url] || config["flowdock.commit-url-pattern"] || nil
+      @diff_url = options[:diff_url] || config["flowdock.diff-url-pattern"] || nil
+      @repo_url = options[:repo_url] || config["flowdock.repository-url"] || nil
+      @repo_name = options[:repo_name] || config["flowdock.repository-name"] || nil
+      @permanent_refs = options[:permanent_refs] ||
+                        (config["flowdock.permanent-references"] || "refs/heads/master")
+                          .split(",")
+                          .map(&:strip)
+                          .map {|exp| Regexp.new(exp) }
+    end
+
+    # Send git push notification to Flowdock
+    def post
+      messages.each do |message|
+        Flowdock::Client.new(flow_token: @token).post_to_thread(message)
+      end
+    end
+
+    # Create and post notification in background process. Avoid blocking the push notification.
+    def background_post
+      pid = Process.fork
+      if pid.nil?
+        Grit::Git.with_timeout(600) do
+          post
+        end
+      else
+        Process.detach(pid) # Parent
+      end
+    end
+
+    def repo
+      @repo ||= Grit::Repo.new(
+        @options[:repo] || Dir.pwd,
+        is_bare: @options[:is_bare] || false
+      )
+    end
+
+    private
+
+    def messages
+      Git::Builder.new(repo: @repo,
+                       ref: @ref,
+                       before: @from,
+                       after: @to,
+                       commit_url: @commit_url,
+                       branch_url: @branch_url,
+                       diff_url: @diff_url,
+                       repo_url: @repo_url,
+                       repo_name: @repo_name,
+                       permanent_refs: @permanent_refs,
+                       tags: tags
+                      ).to_hashes
+    end
+
+    # Flowdock tags attached to the push notification
+    def tags
+      if @options[:tags]
+        @options[:tags]
+      else
+        config["flowdock.tags"].to_s.split(",").map(&:strip)
+      end.map do |t|
+        CGI.escape(t)
+      end
+    end
+
+    def config
+      @config ||= Grit::Config.new(repo)
+    end
+  end
+end