Fix environments query for pipeline

This commit fixes the database query to fetch
related environments of a pipeline.

The feature is still behind a feature flag.

app/models/ci/pipeline.rb

@@ -958,7 +958,7 @@ module Ci
                                         .limit(100)
                                         .pluck(:expanded_environment_name)
 
-        Environment.where(project: project, name: expanded_environment_names).with_deployments
+        Environment.where(project: project, name: expanded_environment_names).with_deployment(sha)
       else
         environment_ids = self_and_descendants.joins(:deployments).select(:'deployments.environment_id')
 

app/models/environment.rb

@@ -89,7 +89,6 @@ class Environment < ApplicationRecord
 
   scope :for_project, -> (project) { where(project_id: project) }
   scope :for_tier, -> (tier) { where(tier: tier).where.not(tier: nil) }
-  scope :with_deployments, -> { where('EXISTS (?)', Deployment.select(1).where('deployments.environment_id = environments.id')) }
   scope :with_deployment, -> (sha) { where('EXISTS (?)', Deployment.select(1).where('deployments.environment_id = environments.id').where(sha: sha)) }
   scope :unfoldered, -> { where(environment_type: nil) }
   scope :with_rank, -> do

spec/models/ci/pipeline_spec.rb

@@ -3205,11 +3205,21 @@ RSpec.describe Ci::Pipeline, :mailer, factory_default: :keep do
 
     context 'when pipeline is not child nor parent' do
       let_it_be(:pipeline) { create(:ci_pipeline, :created) }
-      let_it_be(:build) { create(:ci_build, :with_deployment, :deploy_to_production, pipeline: pipeline) }
+      let_it_be(:build, refind: true) { create(:ci_build, :with_deployment, :deploy_to_production, pipeline: pipeline) }
 
       it 'returns just the pipeline environment' do
         expect(subject).to contain_exactly(build.deployment.environment)
       end
+
+      context 'when deployment SHA is not matched' do
+        before do
+          build.deployment.update!(sha: 'old-sha')
+        end
+
+        it 'does not return environments' do
+          expect(subject).to be_empty
+        end
+      end
     end
 
     context 'when an associated environment does not have deployments' do