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From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Josef Bacik <josef@toxicpanda.com>, Qu Wenruo <wqu@suse.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs-progs: fix a check condition in misc/038
Date: Wed, 5 Jun 2024 20:02:32 +0200	[thread overview]
Message-ID: <20240605180232.GD18508@twin.jikos.cz> (raw)
In-Reply-To: <b06a8ffc-f45b-4bf3-a5b3-64877771a549@gmx.com>

On Wed, Jun 05, 2024 at 07:38:39AM +0930, Qu Wenruo wrote:
> >> -[ "$main_root_ptr" -ne "$backup_new_root_ptr" ] || _fail "Backup 2 not overwritten"
> >> +if [ "$main_root_ptr" -ne "$backup_new_root_ptr" ]; then
> >> +	_fail "Backup ${slot_num} not overwritten"
> >
> > Don't we prefer just "$slot_num"?  I feel like I've gotten yelld at for this
> > before.  Just change the existing thing to be correct
> 
> I thought we prefer ${} to be more safe, but since it's followed by a
> space, it should be no difference.

The thing that I ask for is to quote all variables, otherwise the _ in
variable name is recognized so ${two_words} is the same as $two_words.
Where it would matter is if _ follows the variable, otherwise no ${ }.

      reply	other threads:[~2024-06-05 18:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-04  6:00 [PATCH] btrfs-progs: fix a check condition in misc/038 Qu Wenruo
2024-06-04 15:54 ` Josef Bacik
2024-06-04 22:08   ` Qu Wenruo
2024-06-05 18:02     ` David Sterba [this message]

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