[debbugs-tracker] bug#34913: closed ( ‘guix pack -f squashfs’ absolute symlinks confuse Singularity 2.x)

[GNU bug Tracking System]

Your message dated Tue, 19 Mar 2019 11:31:21 +0100
with message-id <address@hidden>
and subject line Re: bug#34913: ‘guix pack -f squashfs’ absolute symlinks 
confuse Singularity 2.x
has caused the debbugs.gnu.org bug report #34913,
regarding ‘guix pack -f squashfs’ absolute symlinks confuse Singularity 2.x
to be marked as done.

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-- 
34913: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34913
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> --- Begin Message ---
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>
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> Subject: 
>
> ‘guix pack -f squashfs’ absolute symlinks confuse Singularity 2.x
>
>
>
>
> Date: 
>
> Tue, 19 Mar 2019 10:37:16 +0100
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>
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>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)
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>
>
>
> Hello,
>
> ‘guix pack -f squashfs -S /bin=bin bash …’ produces a file system that
> contains symlinks with absolute targets.
>
> Unfortunately, Singularity 2.x erroneously checks for symlink validity
> before chroot’ing into the file system.  Thus all these absolute
> symlinks appear to be dangling (unless the host happens to have those
> symlink targets…).
>
> I reported this a while back but this hasn’t been fixed in 2.x (the new
> 3.x code base doesn’t seem to have this problem):
>
>   https://github.com/sylabs/singularity/issues/1487
>
> The effect of this bug is that our images appear to be unusable with
> Singularity 2.x, at least if you don’t manually adjust the file system
> to fix those symlinks:
>
> --8<---------------cut here---------------start------------->8---
> $ singularity exec bash.sqsh /bin/sh
> ERROR  : No valid /bin/sh in container
> ABORT  : Retval = 255
> --8<---------------cut here---------------end--------------->8---
>
> Ludo’.
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#34913: ‘guix pack -f squashfs’ absolute symlinks confuse Singularity 2.x
>
>
>
>
> Date: 
>
> Tue, 19 Mar 2019 11:31:21 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)
>
>
>
>
> Ludovic Courtès <address@hidden> skribis:
>
> > The effect of this bug is that our images appear to be unusable with
> > Singularity 2.x, at least if you don’t manually adjust the file system
> > to fix those symlinks:
> >
> > $ singularity exec bash.sqsh /bin/sh
> > ERROR  : No valid /bin/sh in container
> > ABORT  : Retval = 255
>
> Fixed in 427c87d0bdc06cc3ee7fc220fd3ad36084412533.
>
> Ludo’.
>
>
> --- End Message ---