RE: [PATCH] Fix caller's argument for _require_command()

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Hi, Czerner

Thanks for review.

> -----Original Message-----
> From: Lukáš Czerner [mailto:lczerner@xxxxxxxxxx]
> Sent: Monday, March 30, 2015 9:25 PM
> To: Zhaolei
> Cc: fstests@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] Fix caller's argument for _require_command()
> 
> On Mon, 30 Mar 2015, Zhaolei wrote:
> 
> > Date: Mon, 30 Mar 2015 17:11:27 +0800
> > From: Zhaolei <zhaolei@xxxxxxxxxxxxxx>
> > To: fstests@xxxxxxxxxxxxxxx
> > Cc: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
> > Subject: [PATCH] Fix caller's argument for _require_command()
> >
> > From: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
> >
> > _require_command() only accept 2 arguments but some caller misused
> > this function, and caused "not_run" after we limit calling way.
> >
> > This patch fixed above caller.
> >
> > Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
> > ---
> >  common/defrag | 13 +++++++++----
> >  tests/xfs/094 |  2 +-
> >  tests/xfs/103 |  2 +-
> >  tests/xfs/195 |  2 +-
> >  4 files changed, 12 insertions(+), 7 deletions(-)
> >
> > diff --git a/common/defrag b/common/defrag index f923dc0..b44ef98
> > 100644
> > --- a/common/defrag
> > +++ b/common/defrag
> > @@ -22,22 +22,27 @@
> >
> >  _require_defrag()
> >  {
> > +    local defrag_cmd
> > +
> >      case "$FSTYP" in
> >      xfs)
> > -        DEFRAG_PROG="$XFS_FSR_PROG"
> > +        defrag_cmd="$XFS_FSR_PROG"
> > +        DEFRAG_PROG="$defrag_cmd"
> >  	;;
> >      ext4|ext4dev)
> > -        DEFRAG_PROG="$E4DEFRAG_PROG"
> > +        defrag_cmd="$E4DEFRAG_PROG"
> > +        DEFRAG_PROG="$defrag_cmd"
> >  	;;
> >      btrfs)
> > -	DEFRAG_PROG="$BTRFS_UTIL_PROG filesystem defragment"
> > +        defrag_cmd="$BTRFS_UTIL_PROG"
> > +        DEFRAG_PROG="defrag_cmd filesystem defragment"
> >  	;;
> >      *)
> >          _notrun "defragmentation not supported for fstype \"$FSTYP\""
> >  	;;
> >      esac
> >
> > -    _require_command "$DEFRAG_PROG" defragment
> > +    _require_command "$defrag_cmd" defragment
> 
> Hi,
> 
> what's the point of this change ?
> 

"$DEFRAG_PROG" include program and argument,
and can not passed test of:
[[ -x "$DEFRAG_PROG" ]]
in _require_command().

> >      _require_xfs_io_command "fiemap"
> >  }
> >
> > diff --git a/tests/xfs/094 b/tests/xfs/094 index cee42d6..5c6e98d
> > 100755
> > --- a/tests/xfs/094
> > +++ b/tests/xfs/094
> > @@ -46,7 +46,7 @@ _supported_fs xfs
> >  _supported_os IRIX Linux
> >  _require_realtime
> >  _require_scratch
> > -_require_command "$XFS_IO_PROG" xfs_io
> > +[ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found"
> 
> Why ? Do not we get the same result from
> 
> _require_command "$XFS_IO_PROG" xfs_io
> 
> anyway if the $XFS_IO_PROG isn't set ?
> 
In some case, "$XFS_IO_PROG" include both program and argument,
and cause wrong result in _require_command().

Thanks
Zhaolei

> -Lukas
> 
> >
> >  _filter_realtime_flag()
> >  {
> > diff --git a/tests/xfs/103 b/tests/xfs/103 index cbe884f..d80dbf2
> > 100755
> > --- a/tests/xfs/103
> > +++ b/tests/xfs/103
> > @@ -66,7 +66,7 @@ _filter_noymlinks_flag()  # real QA test starts here
> > _supported_os Linux IRIX  _supported_fs xfs -_require_command
> > "$XFS_IO_PROG" xfs_io
> > +[ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found"
> >  _require_scratch
> >
> >  _create_scratch
> > diff --git a/tests/xfs/195 b/tests/xfs/195 index 21fcb00..075022d
> > 100755
> > --- a/tests/xfs/195
> > +++ b/tests/xfs/195
> > @@ -65,7 +65,7 @@ _supported_os Linux
> >
> >  _require_test
> >  _require_user
> > -_require_command "$XFSDUMP_PROG" xfsdump
> > +[ "$XFSDUMP_PROG" = "" ] && _notrun "xfsdump not found"
> >
> >  echo "Preparing subtree"
> >  mkdir $TEST_DIR/d
> >


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