Expose CI job commands and use in legacy processor

lib/ci/gitlab_ci_yaml_processor.rb

@@ -80,12 +80,7 @@ module Ci
       {
         stage_idx: @stages.index(job[:stage]),
         stage: job[:stage],
-        ##
-        # Refactoring note:
-        #  - before script behaves differently than after script
-        #  - after script returns an array of commands
-        #  - before script should be a concatenated command
-        commands: [job[:before_script] || @before_script, job[:script]].flatten.compact.join("\n"),
+        commands: job[:commands],
         tag_list: job[:tags] || [],
         name: name,
         only: job[:only],
@@ -124,8 +119,12 @@ module Ci
     end
 
     def validate_job_keys!(name, job)
+      ##
+      # TODO, remove refactoring keys
+      #
+      refactoring_keys = [:commands]
       job.keys.each do |key|
-        unless ALLOWED_JOB_KEYS.include? key
+        unless (ALLOWED_JOB_KEYS + refactoring_keys).include? key
           raise ValidationError, "#{name} job: unknown parameter #{key}"
         end
       end

lib/gitlab/ci/config/node/job.rb

@@ -40,23 +40,24 @@ module Gitlab
 
           def before_script
             if before_script_defined?
-              before_script_value.to_a
+              before_script_value
             else
-              @global.before_script.to_a
+              @global.before_script
             end
           end
 
           def commands
-            (before_script + script).join("\n")
+            [before_script, script].compact.join("\n")
           end
 
           private
 
           def to_hash
-            { before_script: before_script_value,
-              script: script_value,
-              stage: stage_value,
-              after_script: after_script_value }
+            { before_script: before_script,
+              script: script,
+              commands: commands,
+              stage: stage,
+              after_script: after_script }
           end
 
           def compose!

spec/lib/gitlab/ci/config/node/global_spec.rb

@@ -23,7 +23,7 @@ describe Gitlab::Ci::Config::Node::Global do
           after_script: ['make clean'],
           stages: ['build', 'pages'],
           cache: { key: 'k', untracked: true, paths: ['public/'] },
-          rspec: { script: 'rspec' },
+          rspec: { script: %w[rspec ls] },
           spinach: { script: 'spinach' } }
       end
 
@@ -129,8 +129,14 @@ describe Gitlab::Ci::Config::Node::Global do
         describe '#jobs' do
           it 'returns jobs configuration' do
             expect(global.jobs)
-              .to eq(rspec: { script: %w[rspec], stage: 'test' },
-                     spinach: { script: %w[spinach], stage: 'test' })
+              .to eq(rspec: { before_script: %w[ls pwd],
+                              script: %w[rspec ls],
+                              commands: "ls\npwd\nrspec\nls",
+                              stage: 'test' },
+                     spinach: { before_script: %w[ls pwd],
+                                script: %w[spinach],
+                                commands: "ls\npwd\nspinach",
+                                stage: 'test' })
           end
         end
       end

spec/lib/gitlab/ci/config/node/job_spec.rb

@@ -56,6 +56,7 @@ describe Gitlab::Ci::Config::Node::Job do
         expect(entry.value)
           .to eq(before_script: %w[ls pwd],
                  script: %w[rspec],
+                 commands: "ls\npwd\nrspec",
                  stage: 'test',
                  after_script: %w[cleanup])
       end
@@ -114,7 +115,7 @@ describe Gitlab::Ci::Config::Node::Job do
         end
 
         it 'returns correct script' do
-          expect(entry.before_script).to eq []
+          expect(entry.before_script).to be_nil
         end
       end
     end

spec/lib/gitlab/ci/config/node/jobs_spec.rb

@@ -1,7 +1,8 @@
 require 'spec_helper'
 
 describe Gitlab::Ci::Config::Node::Jobs do
-  let(:entry) { described_class.new(config, global: spy) }
+  let(:entry) { described_class.new(config, global: global) }
+  let(:global) { double('global', before_script: nil, stages: %w[test]) }
 
   describe 'validations' do
     before do
@@ -62,8 +63,12 @@ describe Gitlab::Ci::Config::Node::Jobs do
     describe '#value' do
       it 'returns key value' do
         expect(entry.value)
-          .to eq(rspec: { script: %w[rspec], stage: 'test' },
-                 spinach: { script: %w[spinach], stage: 'test' })
+          .to eq(rspec: { script: %w[rspec],
+                          commands: 'rspec',
+                          stage: 'test' },
+                 spinach: { script: %w[spinach],
+                            commands: 'spinach',
+                            stage: 'test' })
       end
     end