Hidde Beydals 4e8c13ba59 Cover create image update signing flags ... Adds golden-file tests for the new --signing-key-secret and --signing-key-type flags: no-signing (baseline), default-gpg (asserts type is omitted when only the secret is set, deferring to the controller's gpg default), ssh, and the two validation-error cases. Establishes cmd/flux/testdata/create_image_update/ for future expansion of this command's coverage. Signed-off-by: Hidde Beydals <hidde@hhh.computer>		2026-06-18 16:21:18 +02:00
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flux	Cover create image update signing flags	2026-06-18 16:21:18 +02:00