meta: run ci on non-master branches

.gitlab-ci.yml

@@ -1,7 +1,3 @@
-workflow:
-  rules:
-    - if: $CI_COMMIT_BRANCH == "master"
-
 build-x86_64: &build
   image: registry.git.ptrc.gay/ptrcnull/ptrcports-builder/x86_64:latest
   cache:
@@ -22,9 +18,12 @@ build-x86_64: &build
         --destdir $PWD/repodest
         --purge
         ptrcports
-    - rsync --archive --update --hard-links --delete --delete-after --delay-updates --no-o --no-g
-        repodest/
+    - |-
+        if [ "$CI_COMMIT_BRANCH" = "master" ]; then
+          rsync --archive --update --hard-links --delete --delete-after --delay-updates --no-o --no-g \
+            repodest/ \
             buildozer@repo.ptrc.gay:repodest/
+        fi
 
 build-aarch64:
   <<: *build