Support private courses

Author: JasonEtco

config.yml

@@ -13,11 +13,28 @@ before:
     title: Update the vulnerable dependency
     body: 03_update-dependency.md
     head: update-dependency
-  - type: octokit
-    method: 'repos.get'
-    owner: '%user.username%'
-    repo: '%course.template.name%'
-    action_id: gotten_repo
+  - type: gate
+    left: '%course.private%'
+    operator: ===
+    right: true
+    required: false
+    else:
+      type: octokit
+      method: 'repos.get'
+      owner: '%user.username%'
+      repo: '%course.template.name%'
+      action_id: gotten_repo
+  - type: gate
+    left: '%course.private%'
+    operator: ===
+    right: false
+    required: false
+    else:
+      type: octokit
+      method: 'repos.get'
+      owner: '%user.username%'
+      repo: '%user.username%-%course.template.name%'
+      action_id: gotten_repo
   - type: createIssue
     title: Welcome
     body: 01a_class-introduction-issue.md