Only show push-to-master authorized users

app/presenters/project_presenter.rb

@@ -4,6 +4,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   include GitlabRoutingHelper
   include StorageHelper
   include TreeHelper
+  include ChecksCollaboration
   include Gitlab::Utils::StrongMemoize
 
   presents :project
@@ -170,9 +171,11 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def can_current_user_push_to_branch?(branch)
-    return false unless repository.branch_exists?(branch)
+    user_access(project).can_push_to_branch?(branch)
+  end
 
-    ::Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(branch)
+  def can_current_user_push_to_default_branch?
+    can_current_user_push_to_branch?(default_branch)
   end
 
   def files_anchor_data
@@ -200,7 +203,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def new_file_anchor_data
-    if current_user && can_current_user_push_code?
+    if current_user && can_current_user_push_to_default_branch?
       OpenStruct.new(enabled: false,
                      label: _('New file'),
                      link: project_new_blob_path(project, default_branch || 'master'),
@@ -209,7 +212,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def readme_anchor_data
-    if current_user && can_current_user_push_code? && repository.readme.blank?
+    if current_user && can_current_user_push_to_default_branch? && repository.readme.blank?
       OpenStruct.new(enabled: false,
                      label: _('Add Readme'),
                      link: add_readme_path)
@@ -221,7 +224,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def changelog_anchor_data
-    if current_user && can_current_user_push_code? && repository.changelog.blank?
+    if current_user && can_current_user_push_to_default_branch? && repository.changelog.blank?
       OpenStruct.new(enabled: false,
                      label: _('Add Changelog'),
                      link: add_changelog_path)
@@ -233,7 +236,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def license_anchor_data
-    if current_user && can_current_user_push_code? && repository.license_blob.blank?
+    if current_user && can_current_user_push_to_default_branch? && repository.license_blob.blank?
       OpenStruct.new(enabled: false,
                      label: _('Add License'),
                      link: add_license_path)
@@ -245,7 +248,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def contribution_guide_anchor_data
-    if current_user && can_current_user_push_code? && repository.contribution_guide.blank?
+    if current_user && can_current_user_push_to_default_branch? && repository.contribution_guide.blank?
       OpenStruct.new(enabled: false,
                      label: _('Add Contribution guide'),
                      link: add_contribution_guide_path)

app/views/projects/empty.html.haml

@@ -58,7 +58,9 @@
               touch README.md
               git add README.md
               git commit -m "add README"
-              git push -u origin master
+            - if @project.can_current_user_push_to_default_branch?
+              %span><
+                git push -u origin master
 
         %fieldset
           %h5 Existing folder
@@ -69,7 +71,9 @@
               git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'clone')}
               git add .
               git commit -m "Initial commit"
-              git push -u origin master
+            - if @project.can_current_user_push_to_default_branch?
+              %span><
+                git push -u origin master
 
         %fieldset
           %h5 Existing Git repository
@@ -78,8 +82,10 @@
               cd existing_repo
               git remote rename origin old-origin
               git remote add origin #{ content_tag(:span, default_url_to_repo, class: 'clone')}
-              git push -u origin --all
-              git push -u origin --tags
+            - if @project.can_current_user_push_to_default_branch?
+              %span><
+                git push -u origin --all
+                git push -u origin --tags
 
           - if can? current_user, :remove_project, @project
             .prepend-top-20

spec/features/projects/user_views_empty_project_spec.rb

+require 'spec_helper'
+
+describe 'User views an empty project' do
+  let(:project) { create(:project, :empty_repo) }
+  let(:user) { create(:user) }
+
+  shared_examples 'allowing push to default branch' do
+    before do
+      sign_in(user)
+      visit project_path(project)
+    end
+
+    it 'shows push-to-master instructions' do
+      expect(page).to have_content('git push -u origin master')
+    end
+  end
+
+  describe 'as a master' do
+    before do
+      project.add_master(user)
+    end
+
+    it_behaves_like 'allowing push to default branch'
+  end
+
+  describe 'as an admin' do
+    let(:user) { create(:user, :admin) }
+
+    it_behaves_like 'allowing push to default branch'
+  end
+
+  describe 'as a developer' do
+    before do
+      project.add_developer(user)
+      sign_in(user)
+      visit project_path(project)
+    end
+
+    it 'does not show push-to-master instructions' do
+      expect(page).not_to have_content('git push -u origin master')
+    end
+  end
+end

spec/presenters/project_presenter_spec.rb

@@ -208,6 +208,17 @@ describe ProjectPresenter do
       it 'returns nil if user cannot push' do
         expect(presenter.new_file_anchor_data).to be_nil
       end
+
+      context 'when the project is empty' do
+        let(:project) { create(:project, :empty_repo) }
+
+        # Since we protect the default branch for empty repos
+        it 'is empty for a developer' do
+          project.add_developer(user)
+
+          expect(presenter.new_file_anchor_data).to be_nil
+        end
+      end
     end
 
     describe '#readme_anchor_data' do