Changing the jenkins/hudson branch name

Gemfile

@@ -27,6 +27,7 @@ gem 'github_api'
 
 gem 'json'
 gem 'nokogiri'
+gem 'curb'
 
 group :test do
   gem 'rspec'

Gemfile.lock

@@ -8,6 +8,7 @@ GEM
     awesome_print (1.0.2)
     cinch (2.0.2)
     coderay (1.0.6)
+    curb (0.8.0)
     diff-lcs (1.1.3)
     fakefs (0.4.0)
     faraday (0.7.6)
@@ -64,6 +65,7 @@ DEPENDENCIES
   activesupport
   awesome_print
   cinch
+  curb
   fakefs
   github_api
   hiredis

plugins/hudson.rb

@@ -6,6 +6,7 @@ class Hudson
   autoload :Fetcher, 'hudson/fetcher'
   autoload :Reporter, 'hudson/reporter'
   autoload :TestRun, 'hudson/test_run'
+  autoload :Config, 'hudson/config'
 
   HYDRA = Typhoeus::Hydra.new
 
@@ -16,6 +17,7 @@ class Hudson
   match /#{FAILED} #{JOB}#{BUILD}$/, method: :failures
   match /(?:failures|failed|f) #{JOB}#{BUILD} diff #{JOB}#{BUILD}$/, method: :diff
   match /Project (.+?) build #(\d+): (?:SUCCESS|FIXED) (?:.+?): (.*)$/, method: :green, :use_prefix => false
+  match /(?:job) (.*)$/, method: :update_branch
 
   register_help 'failures|failed|f project', 'list failed tests (cukes and test units) from last test run'
   register_help 'failures|failed|f project/test_number', 'list failed tests from specific test run'
@@ -45,4 +47,12 @@ def green(m, project_name, build, url)
       issues.comment(m, pull["number"], "Green: #{url}") if pull
     end
   end
+
+  def update_branch(m, new_branch)
+    config = Config.new(m.user.to_s)
+    config.update_branch(new_branch)
+    m.reply "Job updated"
+  rescue
+    m.reply "Error updating job"
+  end
 end

plugins/hudson/config.rb

@@ -0,0 +1,32 @@
+require 'open-uri'
+
+class Hudson
+  class Config
+    BASE_URL = "http://localhost:8080"
+    CONFIG_URL = "/job/<project>/config.xml"
+
+    attr_reader :job
+
+    def initialize(job)
+      @job = job
+    end
+
+    def config_url
+      (BASE_URL + CONFIG_URL).gsub('<project>', job)
+    end
+
+    def config
+      @config ||= Nokogiri::XML(open(config_url))
+    end
+
+    def update_branch(branch_name)
+      config.xpath('/project/scm/branches/hudson.plugins.git.BranchSpec/name').each do |branch|
+        branch.content = branch_name
+      end
+
+      Curl::Easy.http_post(config_url, config.to_s) do |curl|
+        curl.headers['Content-Type'] = 'text/xml'
+      end
+    end
+  end
+end

plugins/hudson/fetcher.rb

@@ -1,6 +1,6 @@
 class Hudson
    class Fetcher < Typhoeus::Request
-    BASE_URL = "http://localhost:8080/"
+    BASE_URL = "http://localhost:8080"
     JOB_URL = "/job/<project>/<test_run>/consoleText"
 
     attr_reader :test_run