Adds sha argument to lint

Changelog: added

app/graphql/resolvers/ci/config_resolver.rb

@@ -18,6 +18,10 @@ module Resolvers
                required: true,
                description: 'The project of the CI config.'
 
+      argument :sha, GraphQL::STRING_TYPE,
+               required: false,
+               description: "Sha for the pipeline."
+
       argument :content, GraphQL::STRING_TYPE,
                required: true,
                description: "Contents of `.gitlab-ci.yml`."
@@ -26,11 +30,11 @@ module Resolvers
                required: false,
                description: 'Run pipeline creation simulation, or only do static check.'
 
-      def resolve(project_path:, content:, dry_run: false)
+      def resolve(project_path:, content:, sha: nil, dry_run: false)
         project = authorized_find!(project_path: project_path)
 
         result = ::Gitlab::Ci::Lint
-          .new(project: project, current_user: context[:current_user])
+          .new(project: project, current_user: context[:current_user], sha: sha)
           .validate(content, dry_run: dry_run)
 
         response(result).merge(merged_yaml: result.merged_yaml)

doc/api/graphql/reference/index.md

@@ -52,6 +52,7 @@ Returns [`CiConfig`](#ciconfig).
 | <a id="queryciconfigcontent"></a>`content` | [`String!`](#string) | Contents of `.gitlab-ci.yml`. |
 | <a id="queryciconfigdryrun"></a>`dryRun` | [`Boolean`](#boolean) | Run pipeline creation simulation, or only do static check. |
 | <a id="queryciconfigprojectpath"></a>`projectPath` | [`ID!`](#id) | The project of the CI config. |
+| <a id="queryciconfigsha"></a>`sha` | [`String`](#string) | Sha for the pipeline. |
 
 ### `Query.containerRepository`
 

spec/graphql/resolvers/ci/config_resolver_spec.rb

@@ -15,14 +15,15 @@ RSpec.describe Resolvers::Ci::ConfigResolver do
 
     let_it_be(:user) { create(:user) }
     let_it_be(:project) { create(:project, :repository, creator: user, namespace: user.namespace) }
+    let_it_be(:sha) { nil }
 
     subject(:response) do
       resolve(described_class,
-              args: { project_path: project.full_path, content: content },
+              args: { project_path: project.full_path, content: content, sha: sha },
               ctx:  { current_user: user })
     end
 
-    context 'with a valid .gitlab-ci.yml' do
+    shared_examples 'a valid config file' do
       let(:fake_result) do
         ::Gitlab::Ci::Lint::Result.new(
           merged_yaml: content,
@@ -37,9 +38,22 @@ RSpec.describe Resolvers::Ci::ConfigResolver do
       end
 
       it 'lints the ci config file and returns the merged yaml file' do
-        expect(response[:merged_yaml]).to eq(content)
         expect(response[:status]).to eq(:valid)
+        expect(response[:merged_yaml]).to eq(content)
         expect(response[:errors]).to be_empty
+        expect(::Gitlab::Ci::Lint).to have_received(:new).with(current_user: user, project: project, sha: sha)
+      end
+    end
+
+    context 'with a valid .gitlab-ci.yml' do
+      context 'with a sha' do
+        let(:sha) { '1231231' }
+
+        it_behaves_like 'a valid config file'
+      end
+
+      context 'without a sha' do
+        it_behaves_like 'a valid config file'
       end
     end