Squashed commit of the following:

commit 04b06a2293fa12660a9c213a9db27fe90b83248b
Merge: d580841d4ed a445aa0a926
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Mon Dec 3 10:51:55 2018 +0900

    Merge branch 'master-ce' into fix-mr-widget-unrelated-deployment-status

commit d580841d4ed944f01e6417fa77842826843b6a04
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 18:11:04 2018 +0900

    Add environment to all_models.yml

commit 689fbe2699a3adf10804312e680fa336e4560eaf
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 17:00:35 2018 +0900

    Proper way to get uniq relationship

commit c0733c6ecd535a6a1b6243080a2226836890f479
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 16:20:40 2018 +0900

    Revert build change

commit 19dc55a8fe6e0fa575858d51144516b7fb0120de
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 16:19:18 2018 +0900

    Add uniq option

commit 0a6995f311c09b453fd0aecff2f6052de38efc27
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 16:14:30 2018 +0900

    Drop persisted_environment

commit 3f68fc783b0ee0d66e03de6d979616c4c4892118
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Wed Nov 28 13:59:04 2018 +0900

    Return empty array if pipeline is nil

commit 73801c5c3d06339e38dce7461a71285bcdbb8f45
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 27 16:34:47 2018 +0900

    Add changelog

commit d461699abf2835cc51949a5138e829628209dd6d
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 27 16:32:20 2018 +0900

    Squashed commit of the following:

    commit 77ab5259605e217a39b04d2cea6204277e42d2b5
    Merge: 7ac1ed50612 2ee8c40fc16
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Tue Nov 27 16:31:07 2018 +0900

        Merge branch 'master-ce' into fix-mr-widget-unrelated-deployment-status

    commit 7ac1ed50612620df6408220b0a7cfcb626a04c48
    Merge: 49ba5c5aeff b55aeca25e7
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Mon Nov 26 20:01:43 2018 +0900

        Merge branch 'master-ce' into fix-mr-widget-unrelated-deployment-status

    commit 49ba5c5aeff3efee7b7498d443372021c3f4f8b5
    Merge: aa3fd0ff9e8 fbbe5ccd1be
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Mon Nov 26 15:27:36 2018 +0900

        Merge branch 'master-ce' into fix-mr-widget-unrelated-deployment-status

    commit aa3fd0ff9e8a418a233ebaa60b38c081cab50099
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Tue Nov 20 18:28:53 2018 +0900

        Fix static analysis

    commit 7afe5f37003869a73dbb297229f8533f78b82684
    Merge: e65b9580ff4 8a581d531ba
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Tue Nov 20 18:27:33 2018 +0900

        Merge branch 'master-ce' into fix-mr-widget-unrelated-deployment-status

    commit e65b9580ff422359113e1a4e37c212f7b13aba4d
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Mon Nov 19 17:59:48 2018 +0900

        Ignore deployments from project import/export

    commit 9eb4ddab8415c1ef61a3c646bdc4602bcf4ebe24
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Mon Nov 19 16:26:00 2018 +0900

        Add memoization

    commit 57f0bea3aaaa07b75d18e52068c532277350cda0
    Author: Shinya Maeda <shinya@gitlab.com>
    Date:   Mon Nov 19 16:21:39 2018 +0900

        Fix unrelated deployment status in MR widget

1 files changed, 16 insertions, 0 deletions

diff --git a/spec/features/merge_request/user_sees_deployment_widget_spec.rb b/spec/features/merge_request/user_sees_deployment_widget_spec.rb
index 3e40179ad9a..fe8e0b07d39 100644
--- a/spec/features/merge_request/user_sees_deployment_widget_spec.rb
+++ b/spec/features/merge_request/user_sees_deployment_widget_spec.rb
@@ -29,6 +29,22 @@ describe 'Merge request > User sees deployment widget', :js do
         expect(page).to have_content("Deployed to #{environment.name}")
         expect(find('.js-deploy-time')['data-original-title']).to eq(deployment.created_at.to_time.in_time_zone.to_s(:medium))
       end
+
+      context 'when a user created a new merge request with the same SHA' do
+        let(:pipeline2) { create(:ci_pipeline_without_jobs, sha: sha, project: project, ref: 'new-patch-1') }
+        let(:build2) { create(:ci_build, :success, pipeline: pipeline2) }
+        let(:environment2) { create(:environment, project: project) }
+        let!(:deployment2) { create(:deployment, environment: environment2, sha: sha, ref: 'new-patch-1', deployable: build2) }
+
+        it 'displays one environment which is related to the pipeline' do
+          visit project_merge_request_path(project, merge_request)
+          wait_for_requests
+
+          expect(page).to have_selector('.js-deployment-info', count: 1)
+          expect(page).to have_content("#{environment.name}")
+          expect(page).not_to have_content("#{environment2.name}")
+        end
+      end
     end
 
     context 'when deployment failed' do