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file-systems: Have the emergency REPL output to /dev/console.

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This fixes a bug whereby all emergency REPL output would go to /dev/klog
and thus, each line would be prefixed by "[12324.432] shepherd[1]: ".

* gnu/build/file-systems.scm (check-file-system): Wrap 'start-repl' call
in 'with-output-to-file'.
This commit is contained in:
Ludovic Courtès 2018-12-18 15:08:19 +01:00
parent 6ea6e1476f
commit 5de5f81845
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1 changed files with 7 additions and 1 deletions
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8
gnu/build/file-systems.scm
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@ -541,7 +541,13 @@ (define check-procedure
;; Spawn a REPL only if someone would be able to interact with it.
(when (isatty? (current-input-port))
(format (current-error-port) "Spawning Bourne-like REPL.~%")
(start-repl %bournish-language))))
;; 'current-output-port' is typically connected to /dev/klog (in
;; PID 1), but here we want to make sure we talk directly to the
;; user.
(with-output-to-file "/dev/console"
(lambda ()
(start-repl %bournish-language))))))
(format (current-error-port)
"No file system check procedure for ~a; skipping~%"
device)))