On Wed, Oct 02, 2024 at 04:28:49PM +0100, fdmanana@xxxxxxxxxx wrote:
> From: Filipe Manana <fdmanana@xxxxxxxx>
>
> In btrfs-progs v6.11 the output of the "filesystem show" command changed
> so that it no longers prints blank lines. This happened with commit
> 4331bfb011bd ("btrfs-progs: fi show: remove stray newline in filesystem
> show").
>
> We have some tests that expect the blank lines in their golden output,
> and therefore they fail with btrfs-progs v6.11.
>
> So update the filter _filter_btrfs_filesystem_show to remove blank lines
> and change the golden output of the tests to not expect the blank lines,
> making the tests work with btrfs-progs v6.11 and older versions.
>
> Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>
Reviewed-by: Boris Burkov <boris@xxxxxx>
> ---
> common/filter.btrfs | 5 ++++-
> tests/btrfs/100.out | 2 --
> tests/btrfs/218.out | 1 -
> tests/btrfs/254.out | 1 -
> 4 files changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/common/filter.btrfs b/common/filter.btrfs
> index 5a944aeb..6c53dffe 100644
> --- a/common/filter.btrfs
> +++ b/common/filter.btrfs
> @@ -30,11 +30,14 @@ _filter_btrfs_filesystem_show()
> UUID=$2
> fi
>
> - # the uniq collapses all device lines into 1
> + # Before btrfs-progs v6.11 we had some blank lines in the output, so
> + # delete them.
> + # The uniq collapses all device lines into 1.
> _filter_uuid $UUID | _filter_scratch | _filter_scratch_pool | \
> _filter_size | _filter_btrfs_version | _filter_devid | \
> _filter_zero_size | \
> sed -e "s/\(Total devices\) $NUMDEVS/\1 $NUM_SUBST/g" | \
> + sed -e "/^\s*$/d" | \
> uniq > $tmp.btrfs_filesystem_show
>
> # The first two lines are Label/UUID and total devices
> diff --git a/tests/btrfs/100.out b/tests/btrfs/100.out
> index aa492919..1fe3c0de 100644
> --- a/tests/btrfs/100.out
> +++ b/tests/btrfs/100.out
> @@ -3,9 +3,7 @@ Label: none uuid: <UUID>
> Total devices <NUM> FS bytes used <SIZE>
> devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
> devid <DEVID> size <SIZE> used <SIZE> path /dev/mapper/error-test
> -
> Label: none uuid: <UUID>
> Total devices <NUM> FS bytes used <SIZE>
> devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
> -
> === device replace completed
> diff --git a/tests/btrfs/218.out b/tests/btrfs/218.out
> index 7ccf13e9..be11074c 100644
> --- a/tests/btrfs/218.out
> +++ b/tests/btrfs/218.out
> @@ -2,7 +2,6 @@ QA output created by 218
> Label: none uuid: <UUID>
> Total devices <NUM> FS bytes used <SIZE>
> devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
> -
> [SCRATCH_DEV].write_io_errs 0
> [SCRATCH_DEV].read_io_errs 0
> [SCRATCH_DEV].flush_io_errs 0
> diff --git a/tests/btrfs/254.out b/tests/btrfs/254.out
> index 20819cf5..86089ee3 100644
> --- a/tests/btrfs/254.out
> +++ b/tests/btrfs/254.out
> @@ -3,4 +3,3 @@ Label: none uuid: <UUID>
> Total devices <NUM> FS bytes used <SIZE>
> devid <DEVID> size <SIZE> used <SIZE> path SCRATCH_DEV
> *** Some devices missing
> -
> --
> 2.43.0
>
