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daemon: Improve error message for wrong hash sizes.

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* nix/libutil/hash.cc (parseHash): Show the hash algorithm name and
expected size in the error message.
* tests/derivations.scm ("fixed-output derivation, invalid hash size"):
New test.
This commit is contained in:
Ludovic Courtès
2023-01-09 16:48:01 +01:00
parent 5d24e57a61
commit 407175a1d0
2 changed files with 17 additions and 2 deletions
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12
tests/derivations.scm
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@@ -396,6 +396,18 @@
(call-with-input-file p get-bytevector-all))
(bytevector? (query-path-hash %store p)))))))
(test-assert "fixed-output derivation, invalid hash size"
(guard (c ((store-protocol-error? c)
(string-contains-ci (store-protocol-error-message c)
"invalid SHA512 hash")))
(derivation %store "download-with-invalid-hash"
"builtin:download" '()
#:env-vars `(("url"
. ,(object->string "http://example.org")))
#:hash-algo 'sha512
#:hash #vu8(1 2 3))
#f))
(test-assert "derivation with a fixed-output input"
;; A derivation D using a fixed-output derivation F doesn't has the same
;; output path when passed F or F', as long as F and F' have the same output