Re: [PATCH] generic/294: filter quotes from mknod

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On Sun, Jun 26, 2016 at 01:47:24PM +0300, Omer Zilberberg wrote:
> Since coreutils v8.25, mknod errors omit quotes around filenames, and
> this breaks generic/294's golden image.
> 
> Checked on Ubuntu 16.04.
> 
> See coreutils: 08e8fd7 all: avoid quoting file names when possible
> https://github.com/coreutils/coreutils/commit/08e8fd7e38f2dae7c69c54eb22d508b6517e66e5
> 
> Signed-off-by: Omer Zilberberg <omzg@xxxxxxxxxxxxx>

It looks good to me. But I took a look at the above coreutils commit and
noticed that many other commands are affected as well, like touch, cp,
mv etc.

Did you see other failures caused by other commands? If so, I'm
thinking about a more generic way to fix it, rather than adding filters
to each command. Something like fstests commit 774f4dd77534 ("xfstests:
unify apostrophes in output files").

> ---
>  common/filter         | 5 +++++
>  tests/generic/294     | 2 +-
>  tests/generic/294.out | 2 +-
>  3 files changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/common/filter b/common/filter
> index 244621a..a16ef70 100644
> --- a/common/filter
> +++ b/common/filter
> @@ -385,5 +385,10 @@ _filter_od()
>  	'
>  }
>  

Comment on why this filter is needed, like most other filters do, e.g.
_filter_fstrim, _filter_ro_mount

Thanks,
Eryu

> +_filter_mknod()
> +{
> +	sed -e "s/mknod: '\(.*\)': File exists/mknod: \1: File exists/"
> +}
> +
>  # make sure this script returns success
>  /bin/true
> diff --git a/tests/generic/294 b/tests/generic/294
> index 3fa6ba2..fb5d9aa 100755
> --- a/tests/generic/294
> +++ b/tests/generic/294
> @@ -55,7 +55,7 @@ THIS_TEST_DIR=$SCRATCH_MNT/$seq.test
>  
>  _create_files()
>  {
> -	mknod $THIS_TEST_DIR/testnode c 1 3
> +	mknod $THIS_TEST_DIR/testnode c 1 3 2>&1 | _filter_mknod
>  	mkdir $THIS_TEST_DIR/testdir
>  	touch $THIS_TEST_DIR/testtarget
>  	ln -s $THIS_TEST_DIR/testtarget $THIS_TEST_DIR/testlink 2>&1 | _filter_ln
> diff --git a/tests/generic/294.out b/tests/generic/294.out
> index 1ac1c67..7802472 100644
> --- a/tests/generic/294.out
> +++ b/tests/generic/294.out
> @@ -1,5 +1,5 @@
>  QA output created by 294
> -mknod: 'SCRATCH_MNT/294.test/testnode': File exists
> +mknod: SCRATCH_MNT/294.test/testnode: File exists
>  mkdir: cannot create directory 'SCRATCH_MNT/294.test/testdir': File exists
>  touch: cannot touch 'SCRATCH_MNT/294.test/testtarget': Read-only file system
>  ln: creating symbolic link 'SCRATCH_MNT/294.test/testlink': File exists
> -- 
> 2.5.5
> 
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