@@ 197,8 197,10 @@ can interpret meaningfully."
private key from '~a': ~a")
file str)))))
-(define* (open-ssh-session machine #:optional (max-silent-time -1))
- "Open an SSH session for MACHINE and return it. Throw an error on failure."
+(define* (open-ssh-session machine #:optional max-silent-time)
+ "Open an SSH session for MACHINE and return it. Throw an error on failure.
+When MAX-SILENT-TIME is true, it must be a positive integer denoting the
+number of seconds after which the connection times out."
(let ((private (private-key-from-file* (build-machine-private-key machine)))
(public (public-key-from-file
(string-append (build-machine-private-key machine)
@@ 235,9 237,10 @@ private key from '~a': ~a")
(leave (G_ "SSH public key authentication failed for '~a': ~a~%")
(build-machine-name machine) (get-error session))))
- ;; From then on use MAX-SILENT-TIME as the absolute timeout when
- ;; reading from or write to a channel for this session.
- (session-set! session 'timeout max-silent-time)
+ (when max-silent-time
+ ;; From then on use MAX-SILENT-TIME as the absolute timeout when
+ ;; reading from or write to a channel for this session.
+ (session-set! session 'timeout max-silent-time))
session)
(x