push sheeet

pkgs/by-name/cu/cue/validator.nix

@@ -0,0 +1,23 @@
+{
+  cue,
+  writeShellScript,
+  lib,
+}:
+# `document` must be a fragment of definition or structure that the input data will be matched against.
+# `document` must exist in the Cue schema file provided (`cueSchemaFile`).
+# The result is a script that can be used to validate the input data (JSON/YAML and more can be supported depending on Cue)
+# against the fragment described by `document` or the whole definition.
+# The script will be strict and enforce concrete values, i.e. partial documents are not supported.
+cueSchemaFile:
+{
+  document ? null,
+}:
+writeShellScript "validate-using-cue" ''
+  ${cue}/bin/cue \
+    --all-errors \
+    vet \
+    --concrete \
+    "$1" \
+    ${cueSchemaFile} \
+    ${lib.optionalString (document != null) "-d \"${document}\""}
+''