Bug#784709: when would blkid success but not filesystem type?
On Tue, May 26, 2015 at 12:21:36PM +0800, Paul Wise wrote:
> On Thu, 21 May 2015 13:07:35 +0200 Karel Zak wrote:
>
> > The option '-s' does not affect return code ... we have information
> > about all (including empty) partitions!
>
> Ok, I see. Sounds like the proposed patch is appropriate then.
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=12;filename=0001-Fix-by-forcing-fs-type-to-not-detected-if-not-named.patch;att=1;bug=784709
>
> > Note that my recommendation is to use lsblk, for example:
>
> That has the same issue:
>
> $ sudo lsblk --noheading --output FSTYPE /dev/sda2 ; echo $?
>
> 0
Why do you want rely on return code? It is not error when
FS type is undefined/unknown. All you need is to check result.
FSTYPE=$(lsblk --nodeps --noheading --output FSTYPE /dev/sda2)
[ -n "$FSTYPE" ] && echo $FSTYPE
> I think for our purposes we would need --nodeps too.
Yes.
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
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