Show Issues tracker select only if one or more remote issue trackers available

app/views/admin/projects/_form.html.haml

@@ -31,13 +31,14 @@
       = f.label :issues_enabled, "Issues"
       .input= f.check_box :issues_enabled
-    .clearfix
-      = f.label :issues_tracker, "Issues tracker", class: 'control-label'
-      .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
-    .clearfix
-      = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
-      .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
+    - if Project.issues_tracker.values.count > 1
+      .clearfix
+        = f.label :issues_tracker, "Issues tracker", class: 'control-label'
+        .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
+      .clearfix
+        = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
+        .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
     .clearfix
       = f.label :merge_requests_enabled, "Merge Requests"

app/views/projects/_form.html.haml

@@ -24,13 +24,14 @@
         = f.check_box :issues_enabled
         %span.descr Lightweight issue tracking system for this project
-    .control-group
-      = f.label :issues_tracker, "Issues tracker", class: 'control-label'
-      .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
-    .clearfix
-      = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
-      .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
+    - if Project.issues_tracker.values.count > 1
+      .control-group
+        = f.label :issues_tracker, "Issues tracker", class: 'control-label'
+        .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
+      .clearfix
+        = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
+        .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
     .control-group
       = f.label :merge_requests_enabled, "Merge Requests", class: 'control-label'