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# File 'lib/pre-commit/checks/migration_check.rb', line 4
def call(staged_files)
migration_files = migration_files(staged_files)
schema_files = schema_files(staged_files)
if migration_files.any? && schema_files.none?
"It looks like you're adding a migration, but did not update the schema file"
elsif migration_files.none? && schema_files.any?
"You're trying to change the schema without adding a migration file"
elsif migration_files.any? && schema_files.any?
versions = migration_files.map { |f| f[/\d+/] }
schema = schema_files.map { |f| File.read(f) }.join
missing_versions = versions.select { |version| !schema.include?(version) }
if missing_versions.any?
"You did not add the schema versions for #{versions.join(', ')} to #{schema_files.join(' or ')}"
end
end
end
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