add copy URL button

app/views/public/amendments/new.html.erb

@@ -1,3 +1,9 @@
+<button type="button" class="btn btn-success mb-3" data-behavior="clipboard" href="<%= polymorphic_url [:new, @account, @project, @contract_template, @release, :amendment] %>">
+  <i class="fa fa-clipboard"></i>
+  <%= t '.copy_url' %>
+</button>
+
+
 <div class="card shadow-sm">
   <div class="card-body">
     <%= errors_summary_for @release %>

config/locales/en.yml

@@ -1037,6 +1037,7 @@ en:
       new:
         amendment:
           heading: Amendment
+        copy_url: Copy sign amendment URL
         signature:
           heading: Signature
     appearance_releases:

config/locales/es.yml

@@ -397,6 +397,7 @@ es:
       new:
         amendment:
           heading: Amendment
+        copy_url: Copy sign amendment URL (ES)
         signature:
           heading: Signature (ES)
     appearance_releases:

spec/features/user_managing_location_releases_spec.rb

@@ -110,6 +110,15 @@ feature "User managing location releases" do
       expect(page).not_to have_content signed_successfully_message
       expect(page).to have_content already_signed_message
     end
+
+    scenario "amendment signing form has copy URL button" do
+      contract_template = create(:location_release_contract_template, :with_amendment_clause, project: project)
+      release = create(:location_release, contract_template: contract_template, project: project)
+
+      visit new_account_project_contract_template_location_release_amendment_path(project.account, project, contract_template, release)
+
+      expect(page).to have_content copy_url_button
+    end
   end
 
   context "when signed in" do
@@ -281,6 +290,15 @@ feature "User managing location releases" do
       expect(page).to have_css('i.fa.fa-square-o', count: 1)
       expect(page).to have_css('i.fa.fa-check-square-o', count: 1)
     end
+
+    scenario "amendment signing form has copy URL button when user is signed in", js: true do
+      contract_template = create(:location_release_contract_template, :with_amendment_clause, project: project)
+      release = create(:location_release, contract_template: contract_template, project: project)
+
+      visit new_account_project_contract_template_location_release_amendment_path(project.account, project, contract_template, release)
+
+      expect(page).to have_content copy_url_button
+    end
   end
   
   scenario "viewing the contract PDF" do
@@ -664,4 +682,8 @@ feature "User managing location releases" do
   def sign_amendment_link
     t 'location_releases.location_release.actions.sign_amendment'
   end
+
+  def copy_url_button
+    t 'public.amendments.new.copy_url'
+  end
 end