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{ 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 \
--strict \
vet \
--concrete \
"$1" \
${cueSchemaFile} \
${lib.optionalString (document != null) "-d \"${document}\""}
''
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