Forks get default_git_depth 0 if the origin is nil

If the origin project has no default_git_depth set (i.e. nil) set the
fork's default_git_depth to 0

2 files changed, 22 insertions, 6 deletions

diff --git a/spec/models/project_ci_cd_setting_spec.rb b/spec/models/project_ci_cd_setting_spec.rb
index 80f75f45e43..c5a4c242b70 100644
--- a/spec/models/project_ci_cd_setting_spec.rb
+++ b/spec/models/project_ci_cd_setting_spec.rb
@@ -37,10 +37,10 @@ describe ProjectCiCdSetting do
 
     it 'does not set default value if present' do
       project = build(:project)
-      project.build_ci_cd_settings(default_git_depth: 42)
+      project.build_ci_cd_settings(default_git_depth: 0)
       project.save!
 
-      expect(project.reload.ci_cd_settings.default_git_depth).to eq(42)
+      expect(project.reload.ci_cd_settings.default_git_depth).to eq(0)
     end
   end
 end
diff --git a/spec/services/projects/fork_service_spec.rb b/spec/services/projects/fork_service_spec.rb
index e8a38287a63..3211a6e1310 100644
--- a/spec/services/projects/fork_service_spec.rb
+++ b/spec/services/projects/fork_service_spec.rb
@@ -146,10 +146,26 @@ describe Projects::ForkService do
       end
 
       context "CI/CD settings" do
-        it "inherits default_git_depth from the origin project" do
-          @from_project.update(default_git_depth: 42)
-          @to_project = fork_project(@from_project, @to_user)
-          expect(@to_project.default_git_depth).to eq(42)
+        let(:to_project) { fork_project(@from_project, @to_user) }
+
+        context "when origin has git depth specified" do
+          before do
+            @from_project.update(default_git_depth: 42)
+          end
+
+          it "inherits default_git_depth from the origin project" do
+            expect(to_project.default_git_depth).to eq(42)
+          end
+        end
+
+        context "when origin does not define git depth" do
+          before do
+            @from_project.update!(default_git_depth: nil)
+          end
+
+          it "the fork has git depth set to 0" do
+            expect(to_project.default_git_depth).to eq(0)
+          end
         end
       end