Date: Mon, 14 Aug 2006 17:02:33 +0400 From: Ruslan Ermilov <ru@freebsd.org> To: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> Cc: src-committers@freebsd.org, Alexander Leidinger <netchild@freebsd.org>, cvs-src@freebsd.org, cvs-all@freebsd.org, Kris Kennaway <kris@obsecurity.org>, Dag-Erling Sm?rgrav <des@des.no> Subject: Re: cvs commit: src ObsoleteFiles.inc Message-ID: <20060814130233.GB60989@rambler-co.ru> In-Reply-To: <20060814153428.G28464@atlantis.atlantis.dp.ua> References: <200608101942.k7AJgOrB051336@repoman.freebsd.org> <20060811235619.G93570@atlantis.atlantis.dp.ua> <20060811220244.GC5237@rambler-co.ru> <20060811223642.GA21117@xor.obsecurity.org> <20060812005213.384b744b@Magellan.Leidinger.net> <20060812084253.GA8597@rambler-co.ru> <20060812123531.GA36569@xor.obsecurity.org> <20060813185551.GA15783@rambler-co.ru> <864pwfwpnm.fsf@xps.des.no> <20060814153428.G28464@atlantis.atlantis.dp.ua>
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On Mon, Aug 14, 2006 at 03:38:43PM +0300, Dmitry Pryanishnikov wrote:
>
> Hello!
>
> On Mon, 14 Aug 2006, Dag-Erling Sm?rgrav wrote:
> >BTW, if you just need to ensure that a file exists, a safe alternative
> >to 'touch ${FILE}' is ':>>${FILE}'. Makefiles in src/sys/modules
> >which use touch should probably be updated to use this instead.
>
> It doesn't change the file's last modification time for me using /bin/sh:
>
> # uname -r
> 6.1-RELEASE
> # ls -l aaa
> -rw-r--r-- 1 root wheel 512 Jul 18 17:00 aaa
> # :>>aaa
> # ls -l aaa
> -rw-r--r-- 1 root wheel 512 Jul 18 17:00 aaa
> # date
> Mon Aug 14 15:35:23 EEST 2006
>
> So ':>>${FILE}' isn't the same as 'touch ${FILE}' for existing files.
>
Right, I backed the changes out.
Cheers,
--
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer
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