Merge remote-tracking branch 'origin/master' into nightly

.github/workflows/sync.yml

@@ -2,7 +2,7 @@ name: Sync with private repo
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, main, nightly ]
 
 jobs:
   sync:
@@ -14,4 +14,4 @@ jobs:
       - name: Add remote
         run: git remote add overhangio https://${{ secrets.GIT_USERNAME }}:${{ secrets.GIT_PASSWORD }}@git.overhang.io/core/tutor-discovery.git
       - name: Push
-        run: git push overhangio master
+        run: git push overhangio $GITHUB_REF

tutordiscovery/__about__.py

@@ -1,2 +1,8 @@
 __version__ = "15.0.0"
 
+# Handle version suffix for nightly, just like tutor core.
+__version_suffix__ = ""
+
+if __version_suffix__:
+    __version__ += "-" + __version_suffix__
+