From 813bcbc4eaa820821c3fc52e539c5244e192601c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org> Date: Mon, 10 Oct 2016 09:57:36 +0200 Subject: [PATCH] bournish: Add 'reboot' command. Suggested by Ricardo Wurmus. * guix/build/bournish.scm (reboot-command): New procedure. (%commands): Add it. --- guix/build/bournish.scm | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/guix/build/bournish.scm b/guix/build/bournish.scm index 928bef5b9e1..51dad17ba72 100644 --- a/guix/build/bournish.scm +++ b/guix/build/bournish.scm @@ -162,6 +162,17 @@ (define (wc-command . args) (else `((@@ (guix build bournish) wc-command-implementation) ,@args)))) +(define (reboot-command . args) + "Emit code for 'reboot'." + ;; Normally Bournish is used in the initrd, where 'reboot' is provided + ;; directly by (guile-user). In other cases, just bail out. + `(if (defined? 'reboot) + (reboot) + (begin + (format (current-error-port) + "I don't know how to reboot, sorry about that!~%") + #f))) + (define (help-command . _) (display "\ Hello, this is Bournish, a minimal Bourne-like shell in Guile! @@ -189,7 +200,8 @@ (define %commands ("ls" ,ls-command) ("which" ,which-command) ("cat" ,cat-command) - ("wc" ,wc-command))) + ("wc" ,wc-command) + ("reboot" ,reboot-command))) (define (read-bournish port env) "Read a Bournish expression from PORT, and return the corresponding Scheme -- GitLab