GNU bug report logs - #25418
Proposal to quiet file size modified warning

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Package: gzip; Reported by: Jens Rantil <jens.rantil@HIDDEN>; dated Wed, 11 Jan 2017 16:27:02 UTC; Maintainer for gzip is bug-gzip@HIDDEN.

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Subject: Re: bug#25418: Proposal to quiet file size modified warning
To: Jason Leschnik <jason@HIDDEN>,
 "Chevreux, Bastien" <bastien.chevreux@HIDDEN>
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From: Paul Eggert <eggert@HIDDEN>
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On 01/11/2017 02:16 PM, Jason Leschnik wrote:
> Does Gzip still produce a valid archive if the file changes
> part way through execution?

It depends on what one means by "valid". Although gzip won't dump core,
it might generate output that does not correspond to any version of the
input. The problems when a similar situation occurs when uncompressing
are worse, I expect.





Information forwarded to bug-gzip@HIDDEN:
bug#25418; Package gzip. Full text available.

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From: Jason Leschnik <jason@HIDDEN>
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Subject: Re: bug#25418: Proposal to quiet file size modified warning
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--14dae93a11f17dbd5b0545d8f622
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On 12 January 2017 at 09:05, Chevreux, Bastien <bastien.chevreux@HIDDEN>
wrote:

> I see two different phrasings here: "warning" in the source message vs
> "error" in Paul's answer.
>

Good point. Does Gzip still produce a valid archive if the file changes
part way through execution? If the file is valid and does not result in a
fatal error then I'd say it's a warning. But then part of me agrees with
Paul that I'd still like to know about such an event.

--14dae93a11f17dbd5b0545d8f622
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<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On 1=
2 January 2017 at 09:05, Chevreux, Bastien <span dir=3D"ltr">&lt;<a href=3D=
"mailto:bastien.chevreux@HIDDEN" target=3D"_blank">bastien.chevreux@HIDDEN=
m</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I see two differe=
nt phrasings here: &quot;warning&quot; in the source message vs &quot;error=
&quot; in Paul&#39;s answer.<br></blockquote><div><br></div><div>Good point=
. Does Gzip still produce a valid archive if the file changes part way thro=
ugh execution? If the file is valid and does not result in a fatal error th=
en I&#39;d say it&#39;s a warning. But then part of me agrees with Paul tha=
t I&#39;d still like to know about such an event.=C2=A0</div></div></div></=
div>

--14dae93a11f17dbd5b0545d8f622--




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From: "Chevreux, Bastien" <bastien.chevreux@HIDDEN>
To: Paul Eggert <eggert@HIDDEN>, Jens Rantil <jens.rantil@HIDDEN>,
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Subject: RE: bug#25418: Proposal to quiet file size modified warning
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Subject: Re: bug#25418: Proposal to quiet file size modified warning
To: Jens Rantil <jens.rantil@HIDDEN>, 25418 <at> debbugs.gnu.org
References: <CAL+ArfXUO5WmtxQUehPSJWz+tqo0WAa1LUcy-e1paX31=rHfDQ@HIDDEN>
From: Paul Eggert <eggert@HIDDEN>
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Ouch, why would one want to suppress that diagnostic? It sounds like a
serious error.




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Subject: Proposal to quiet file size modified warning
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--94eb2c05e656f8d4c20545d3d0e7
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--94eb2c05e656f8d4bd0545d3d0e5
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Hi,

I recently tried to `--quiet` the "gzip: stdin: file size changed while
zipping" warning, but it didn't work. Looking in the source code, I noticed
that the warning doesn't seem to be suppressed by `--quiet` command line
parameter. I'm hereby attaching an untested proposed patch to also quiet
that warning as the `gzip` man page states

    Suppress all warnings.

Let me know what you think.

Cheers,
Jens

-- 
Jens Rantil
Backend engineer
Tink AB

Email: jens.rantil@HIDDEN
Phone: +46 708 84 18 32
Web: www.tink.se

Facebook <https://www.facebook.com/#!/tink.se> Linkedin
<http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary>
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--94eb2c05e656f8d4bd0545d3d0e5
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><span style=3D"font-size:12.8px">Hi,</span><div style=3D"f=
ont-size:12.8px"><br></div><div style=3D"font-size:12.8px">I recently tried=
 to `--quiet` the &quot;<span style=3D"font-size:12.8px">gzip: stdin: file =
size changed while zipping&quot; warning, but it didn&#39;t work. Looking i=
n the source code, I noticed that the warning doesn&#39;t seem to be suppre=
ssed by `--quiet` command line parameter. I&#39;m hereby attaching an untes=
ted proposed patch to also quiet that warning as the `gzip` man page states=
</span></div><div style=3D"font-size:12.8px"><span style=3D"font-size:12.8p=
x"><br></span></div><div style=3D"font-size:12.8px"><span style=3D"font-siz=
e:12.8px">=C2=A0 =C2=A0=C2=A0Suppress all warnings.</span></div><div style=
=3D"font-size:12.8px"><span style=3D"font-size:12.8px"><br></span></div><di=
v style=3D"font-size:12.8px"><span style=3D"font-size:12.8px">Let me know w=
hat you think.</span></div><div style=3D"font-size:12.8px"><span style=3D"f=
ont-size:12.8px"><br></span></div><div style=3D"font-size:12.8px"><span sty=
le=3D"font-size:12.8px">Cheers,</span></div><div style=3D"font-size:12.8px"=
><span style=3D"font-size:12.8px">Jens</span></div><div><br></div>-- <br><d=
iv class=3D"gmail_signature"><div dir=3D"ltr"><div>Jens Rantil</div><div>Ba=
ckend engineer</div><div>Tink AB</div><div><br></div><div>Email:=C2=A0<a hr=
ef=3D"mailto:jens.rantil@HIDDEN" style=3D"color:rgb(17,85,204)" target=3D"=
_blank">jens.rantil@HIDDEN</a></div><div>Phone: +46 708 84 18 32</div><div=
>Web:=C2=A0<a href=3D"http://www.tink.se/" style=3D"color:rgb(17,85,204)" t=
arget=3D"_blank">www.tink.se</a></div><div><br></div><div><a href=3D"https:=
//www.facebook.com/#!/tink.se" style=3D"color:rgb(17,85,204);font-family:ar=
ial;font-size:small" target=3D"_blank">Facebook</a><span style=3D"font-fami=
ly:arial;font-size:small">=C2=A0</span><a href=3D"http://www.linkedin.com/c=
ompany/2735919?trk=3Dvsrp_companies_res_photo&amp;trkInfo=3DVSRPsearchId%3A=
1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary" style=
=3D"color:rgb(17,85,204);font-family:arial;font-size:small" target=3D"_blan=
k">Linkedin</a><span style=3D"font-family:arial;font-size:small">=C2=A0</sp=
an><a href=3D"https://twitter.com/tink" style=3D"color:rgb(17,85,204);font-=
family:arial;font-size:small" target=3D"_blank">Twitter</a></div></div></di=
v>
</div>

--94eb2c05e656f8d4bd0545d3d0e5--

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--94eb2c05e656f8d4c20545d3d0e7--




Acknowledgement sent to Jens Rantil <jens.rantil@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gzip@HIDDEN. Full text available.
Report forwarded to bug-gzip@HIDDEN:
bug#25418; Package gzip. Full text available.
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