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authenticate: Consistently use 'leave' for fatal error reporting.

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* guix/scripts/authenticate.scm (guix-authenticate): Replace all uses of
  'format' + 'exit' with 'leave'.
This commit is contained in:
Ludovic Courtès 2013-12-30 18:23:44 +01:00
parent 6fc04984d2
commit c909dab269
1 changed files with 9 additions and 17 deletions
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26
guix/scripts/authenticate.scm
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@ -61,8 +61,9 @@
(public-key (if (string-suffix? ".sec" key)
(read-canonical-sexp
(string-append (string-drop-right key 4) ".pub"))
(leave (_ "cannot find public key for secret key '~a'")
key)))
(leave
(_ "cannot find public key for secret key '~a'~%")
key)))
(data (read-hash-data hash-file))
(signature (signature-sexp data secret-key public-key)))
(display (canonical-sexp->string signature))
@ -82,21 +83,12 @@
(display (bytevector->base16-string
(hash-data->bytevector data)))
#t) ; success
(begin
(format (current-error-port)
"error: invalid signature: ~a~%"
(canonical-sexp->string signature))
(exit 1)))
(begin
(format (current-error-port)
"error: unauthorized public key: ~a~%"
(canonical-sexp->string public-key))
(exit 1)))
(begin
(format (current-error-port)
"error: corrupt signature data: ~a~%"
(canonical-sexp->string sig+data))
(exit 1)))))
(leave (_ "error: invalid signature: ~a~%")
(canonical-sexp->string signature)))
(leave (_ "error: unauthorized public key: ~a~%")
(canonical-sexp->string public-key)))
(leave (_ "error: corrupt signature data: ~a~%")
(canonical-sexp->string sig+data)))))
(("--help")
(display (_ "Usage: guix authenticate OPTION...
Sign or verify the signature on the given file. This tool is meant to