split CENTR schema check into a separate script

.gitlab-ci.yml

@@ -35,7 +35,7 @@ build:
     - source pwait.sh
     - mkdir public
     - python Dashboard/Python/centr_stats.py | jq . > public/centr_stats.json
-    - if [ $CHECK_CENTR_SCHEMA != "0" ]; then curl "https://stats.centr.org/schemas/registration_data_v2.1.json" > "registration_data_v2.1.json" && check-jsonschema --schemafile registration_data_v2.1.json public/centr_stats.json; fi
+    - ./check-centr-schema.sh
     - shopt -s globstar nullglob nocaseglob nocasematch
     - python3 Dashboard/Python/pages.py Dashboard/pages.json
     - python3 Dashboard/Python/docs.py > Dashboard/docs.json

check-centr-schema.sh

+#!/bin/bash
+
+set -e;
+
+if [ "$CHECK_CENTR_SCHEMA" != "0" ]; then
+    curl "https://stats.centr.org/schemas/registration_data_v2.1.json" > "registration_data_v2.1.json"
+    check-jsonschema --schemafile registration_data_v2.1.json public/centr_stats.json
+    rm "registration_data_v2.1.json"
+else
+    echo "Schema check disabled by env variable"
+fi
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