#446: updated #destroy_git_repo, added specs

app/models/concerns/git.rb

@@ -187,7 +187,7 @@ module Git
   def destroy_git_repo
     FileUtils.rm_rf path
     return unless alias_from_id
-    unless Project.where.not(id: id).where(alias_from_id: alias_from_id).exists?
+    unless alias_from || Project.where.not(id: id).where(alias_from_id: alias_from_id).exists?
       FileUtils.rm_rf alias_path
     end
   end

spec/models/project_spec.rb

@@ -59,13 +59,26 @@ describe Project do
         end.to change(Project, :count).by(-1)
       end
 
-      it 'middle alias node' do
+      it 'alias nodes' do
         alias_alias_project # init chain of projects
         expect do
           alias_project.destroy
         end.to change(Project, :count).by(-1)
-        expect{ Grit::Repo.new(root_project.path) }.to_not raise_exception
-        expect{ Grit::Repo.new(alias_project.path) }.to raise_exception
+        expect{ Grit::Repo.new(root_project.path)        }.to_not raise_exception
+        expect{ Grit::Repo.new(alias_alias_project.path) }.to_not raise_exception
+        expect{ Grit::Repo.new(alias_project.path)       }.to     raise_exception
+
+        expect do
+          alias_alias_project.destroy
+        end.to change(Project, :count).by(-1)
+        expect{ Grit::Repo.new(root_project.path)        }.to_not raise_exception
+        expect{ Grit::Repo.new(alias_alias_project.path) }.to     raise_exception
+
+        expect do
+          root_project.destroy
+        end.to change(Project, :count).by(-1)
+        expect{ Grit::Repo.new(root_project.path)              }.to raise_exception
+        expect{ Grit::Repo.new(root_project.send(:alias_path)) }.to raise_exception
       end
 
       pending 'when will be available orphan_strategy: :adopt' do