Use default license path in seeds

In dev mode we can use license in
default license path if it exists

ee/lib/tasks/gitlab/license.rake

@@ -16,15 +16,8 @@ namespace :gitlab do
 
     task :load, [:mode] => :environment do |_, args|
       args.with_defaults(mode: 'default')
-      verbose = args[:mode] == 'verbose'
 
       flag = 'GITLAB_LICENSE_FILE'
-
-      if ENV[flag].blank? && verbose
-        puts "Skipped. Use the `#{flag}` environment variable to seed the License file of the given path."
-        next
-      end
-
       default_license_file = Settings.source.dirname + 'Gitlab.gitlab-license'
       license_file = ENV.fetch(flag, default_license_file)
 
@@ -35,9 +28,11 @@ namespace :gitlab do
           puts "License Invalid:\n\nFilePath: #{license_file}".color(:red)
           raise "License Invalid"
         end
-      elsif !ENV[flag].blank?
+      elsif ENV[flag].present?
         puts "License File Missing:\n\nFilePath: #{license_file}".color(:red)
         raise "License File Missing"
+      elsif args[:mode] == 'verbose'
+        puts "Skipped. Use the `#{flag}` environment variable to seed the License file of the given path."
       end
     end
   end

ee/spec/tasks/gitlab/license_rake_spec.rb

@@ -3,6 +3,8 @@
 require 'rake_helper'
 
 RSpec.describe 'gitlab:license namespace rake tasks' do
+  let(:default_license_path) { Settings.source.dirname + 'Gitlab.gitlab-license' }
+
   before do
     Rake.application.rake_require 'tasks/gitlab/license'
   end
@@ -56,11 +58,32 @@ RSpec.describe 'gitlab:license namespace rake tasks' do
       end
     end
 
+    context 'when GITLAB_LICENSE_FILE env variable is not set' do
+      let(:license_file_contents) { 'valid contents' }
+
+      context 'when default valid license file does exist' do
+        before do
+          allow(File).to receive(:file?).with(default_license_path).and_return(true)
+        end
+
+        it 'succeeds in adding the license' do
+          expect_file_read(default_license_path, content: license_file_contents)
+          expect(License).to receive(:create).with(data: license_file_contents).and_return(true)
+
+          expect { subject }.not_to raise_error
+        end
+      end
+    end
+
     context 'running in mode verbose' do
       let(:mode) { 'verbose' }
 
-      it 'outputs a the help message' do
-        expect { subject }.to output(/environment variable to seed the License file of the given path/).to_stdout
+      context 'when default valid license file does not exist' do
+        it 'outputs a the help message' do
+          allow(File).to receive(:file?).with(default_license_path).and_return(false)
+
+          expect { subject }.to output(/environment variable to seed the License file of the given path/).to_stdout
+        end
       end
     end
   end