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bug#28445: match-error in 'device-sexp->device' while building system
From: |
Ludovic Courtès |
Subject: |
bug#28445: match-error in 'device-sexp->device' while building system |
Date: |
Wed, 20 Sep 2017 23:27:17 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Hello Mark,
Andy pushed the first half of the fix as
96bc6518002c3b2ad9f15cf36991b20bebcbbe8a. Could you check whether the
‘ensure-not-/dev’ part below solves the rest?
Thanks,
Ludo’.
address@hidden (Ludovic Courtès) skribis:
> Mark H Weaver <address@hidden> skribis:
>
>> # Set 'root' to the partition that contains /gnu/store.
>> -search --file --set
>> /gnu/store/21ngnlx9k0x9x2jj1px7mdlb4j6mzz6x-grub-2.02/share/grub/unicode.pf2
>> +search --label --set /dev/mapper/jojen-root
>
> Oops. I believe the patch below does the trick (‘store-device’ must
> never be a Linux device name, and that’s what the patch ensures.)
>
> Thoughts?
>
> (I didn’t notice these issues because I identify my root file system by
> label or UUID rather than hard-coding its /dev/mapper name.)
>
> Ludo’.
>
> diff --git a/gnu/system.scm b/gnu/system.scm
> index d337e5259..d71b9c15b 100644
> --- a/gnu/system.scm
> +++ b/gnu/system.scm
> @@ -243,6 +243,11 @@ directly by the user."
> ((? string? device)
> device)))
>
> + (define (ensure-not-/dev device)
> + (if (and (string? device) (string-prefix? "/" device))
> + #f
> + device))
> +
> (match (read port)
> (('boot-parameters ('version 0)
> ('label label) ('root-device root)
> @@ -277,15 +282,16 @@ directly by the user."
> file)))
>
> (store-device
> - (match (assq 'store rest)
> - (('store ('device device) _ ...)
> - (device-sexp->device device))
> - (_ ;the old format
> - ;; Root might be a device path like "/dev/sda1", which is not a
> - ;; suitable GRUB device identifier.
> - (if (string-prefix? "/" root)
> - #f
> - root))))
> + ;; ROOT might be a device path like "/dev/sda1", which is not a
> + ;; suitable GRUB device identifier.
> + (ensure-not-/dev
> + (match (assq 'store rest)
> + (('store ('device #f) _ ...)
> + root-device)
> + (('store ('device device) _ ...)
> + (device-sexp->device device))
> + (_ ;the old format
> + root-device))))
>
> (store-mount-point
> (match (assq 'store rest)
> @@ -906,6 +912,7 @@ device in a <menu-entry>."
> (case (file-system-title fs)
> ((uuid) (file-system-device fs))
> ((label) (file-system-device fs))
> + ((device) (file-system-device fs))
> (else #f)))
>
> (define (operating-system-boot-parameters os system.drv root-device)
bug#28445: match-error in 'device-sexp->device' while building system, Mark H Weaver, 2017/09/13