ceph-website-prs: disallow branches named 'main'

Signed-off-by: Josh Durgin <jdurgin@redhat.com>

diff --git a/ceph-website-prs/build/build b/ceph-website-prs/build/build
index 51ec07a62fcd8f8c2ae29cb3e7533beacd1d23c2..1bdb6547807792a4e38d86293d9be047e4803118 100755 (executable)
--- a/ceph-website-prs/build/build
+++ b/ceph-website-prs/build/build
@@ -10,6 +10,11 @@ npm ci
 
 npm run build:development
 
+if [ "$BRANCH" = "main" ]; then
+  echo "branch must not be named 'main', exiting"
+  exit 1
+fi
+
 if [ ! -d /opt/www/${BRANCH} ]; then
   mkdir -p /opt/www/${BRANCH}
 fi