1 files changed, 74 insertions, 21 deletions
diff --git a/app/services/ci/create_pipeline_service.rb b/app/services/ci/create_pipeline_service.rb
index b1ee6874190..cde856b0186 100644
--- a/app/services/ci/create_pipeline_service.rb
+++ b/app/services/ci/create_pipeline_service.rb
@@ -1,48 +1,101 @@
 module Ci
   class CreatePipelineService < BaseService
-    def execute
-      pipeline = project.pipelines.new(params)
+    attr_reader :pipeline
 
-      unless ref_names.include?(params[:ref])
-        pipeline.errors.add(:base, 'Reference not found')
-        return pipeline
+    def execute(ignore_skip_ci: false, save_on_errors: true, trigger_request: nil)
+      @pipeline = Ci::Pipeline.new(
+        project: project,
+        ref: ref,
+        sha: sha,
+        before_sha: before_sha,
+        tag: tag?,
+        trigger_requests: Array(trigger_request),
+        user: current_user
+      )
+
+      unless project.builds_enabled?
+        return error('Pipeline is disabled')
       end
 
-      if commit
-        pipeline.sha = commit.id
-      else
-        pipeline.errors.add(:base, 'Commit not found')
-        return pipeline
+      unless trigger_request || can?(current_user, :create_pipeline, project)
+        return error('Insufficient permissions to create a new pipeline')
       end
 
-      unless can?(current_user, :create_pipeline, project)
-        pipeline.errors.add(:base, 'Insufficient permissions to create a new pipeline')
-        return pipeline
+      unless branch? || tag?
+        return error('Reference not found')
+      end
+
+      unless commit
+        return error('Commit not found')
       end
 
       unless pipeline.config_processor
-        pipeline.errors.add(:base, pipeline.yaml_errors || 'Missing .gitlab-ci.yml file')
-        return pipeline
+        unless pipeline.ci_yaml_file
+          return error('Missing .gitlab-ci.yml file')
+        end
+        return error(pipeline.yaml_errors, save: save_on_errors)
       end
 
-      pipeline.save!
+      if !ignore_skip_ci && skip_ci?
+        pipeline.skip if save_on_errors
+        return pipeline
+      end
 
-      unless pipeline.create_builds(current_user)
-        pipeline.errors.add(:base, 'No builds for this pipeline.')
+      unless pipeline.config_builds_attributes.present?
+        return error('No builds for this pipeline.')
       end
 
       pipeline.save
+      pipeline.process!
       pipeline
     end
 
     private
 
-    def ref_names
-      @ref_names ||= project.repository.ref_names
+    def skip_ci?
+      pipeline.git_commit_message =~ /\[(ci skip|skip ci)\]/i if pipeline.git_commit_message
     end
 
     def commit
-      @commit ||= project.commit(params[:ref])
+      @commit ||= project.commit(origin_sha || origin_ref)
+    end
+
+    def sha
+      commit.try(:id)
+    end
+
+    def before_sha
+      params[:checkout_sha] || params[:before] || Gitlab::Git::BLANK_SHA
+    end
+
+    def origin_sha
+      params[:checkout_sha] || params[:after]
+    end
+
+    def origin_ref
+      params[:ref]
+    end
+
+    def branch?
+      project.repository.ref_exists?(Gitlab::Git::BRANCH_REF_PREFIX + ref)
+    end
+
+    def tag?
+      project.repository.ref_exists?(Gitlab::Git::TAG_REF_PREFIX + ref)
+    end
+
+    def ref
+      Gitlab::Git.ref_name(origin_ref)
+    end
+
+    def valid_sha?
+      origin_sha && origin_sha != Gitlab::Git::BLANK_SHA
+    end
+
+    def error(message, save: false)
+      pipeline.errors.add(:base, message)
+      pipeline.drop if save
+      pipeline
     end
   end
 end