Add buildkite support to coveralls

bin/slather

@@ -14,6 +14,7 @@ Clamp do
     option ["--travis", "-t"], :flag, "Indicate that the builds are running on Travis CI"
     option ["--circleci"], :flag, "Indicate that the builds are running on CircleCI"
     option ["--jenkins"], :flag, "Indicate that the builds are running on Jenkins"
+    option ["--buildkite"], :flag, "Indicate that the builds are running on Buildkite"
 
     option ["--coveralls", "-c"], :flag, "Post coverage results to coveralls"
     option ["--simple-output", "-s"], :flag, "Output coverage results to the terminal"
@@ -65,6 +66,8 @@ Clamp do
         project.ci_service = :circleci
       elsif jenkins?
         project.ci_service = :jenkins
+      elsif buildkite?
+        project.ci_service = :buildkite
       end
     end
 

lib/slather/coverage_service/coveralls.rb

@@ -37,6 +37,16 @@ def jenkins_branch_name
       end
       private :jenkins_branch_name
 
+      def buildkite_job_id
+        ENV['BUILDKITE_BUILD_NUMBER']
+      end
+      private :buildkite_job_id
+
+      def buildkite_pull_request
+        ENV['BUILDKITE_PULL_REQUEST']
+      end
+      private :buildkite_pull_request
+
       def jenkins_git_info
         {
           head: {
@@ -66,6 +76,22 @@ def circleci_git_info
       end
       private :circleci_git_info
 
+      def buildkite_git_info
+        {
+          :head => {
+            :id => ENV['BUILDKITE_COMMIT'],
+            :author_name => (`git log --format=%an -n 1 HEAD`.chomp || ""),
+            :author_email => (`git log --format=%ae -n 1 HEAD`.chomp || ""),
+            :message => (`git log --format=%s -n 1 HEAD`.chomp || "")
+          },
+          :branch => ENV['BUILDKITE_BRANCH']
+        }
+      end
+
+      def buildkite_build_url
+        "https://buildkite.com/" + ENV['BUILDKITE_PROJECT_SLUG'] + "/builds/" + ENV['BUILDKITE_BUILD_NUMBER'] + "#"
+      end
+
       def coveralls_coverage_data
         if ci_service == :travis_ci || ci_service == :travis_pro
           if travis_job_id
@@ -117,6 +143,20 @@ def coveralls_coverage_data
           else
             raise StandardError, "Environment variable `BUILD_ID` not set. Is this running on a jenkins build?"
           end
+        elsif ci_service == :buildkite
+          if buildkite_job_id
+            {
+              :service_job_id => buildkite_job_id,
+              :service_name => "buildkite",
+              :repo_token => coverage_access_token,
+              :source_files => coverage_files.map(&:as_json),
+              :git => buildkite_git_info,
+              :service_build_url => buildkite_build_url,
+              :service_pull_request => buildkite_pull_request
+            }.to_json
+          else
+            raise StandardError, "Environment variable `BUILDKITE_BUILD_NUMBER` not set. Is this running on a buildkite build?"
+          end
         else
           raise StandardError, "No support for ci named #{ci_service}"
         end
@@ -143,4 +183,4 @@ def coveralls_api_jobs_path
 
     end
   end
-end
+end