bug#31184: tail -f on Network FS not refreshing as soon as the file is changed.

[Jewsco Pius Jacquez]

Thanks, did I missed anything?

address@hidden ~]$ wget --quiet 
https://ftpmirror.gnu.org/coreutils/coreutils-8.29.tar.xz
address@hidden ~]$ cksum coreutils-8.29.tar.xz
926393761 5286588 coreutils-8.29.tar.xz
address@hidden ~]$ tar -xf coreutils-8.29.tar.xz
address@hidden ~]$ cd coreutils-8.29/
address@hidden coreutils-8.29]$ wget --quiet 
'https://github.com/coreutils/coreutils/commit/7fc7206.patch' -O- | patch -R 
-p1 && make
patching file NEWS
Unreversed patch detected!  Ignore -R? [n]
Apply anyway? [n]
Skipping patch.
1 out of 1 hunk ignored -- saving rejects to file NEWS.rej
patching file src/tail.c
Hunk #1 FAILED at 1220.
1 out of 1 hunk FAILED -- saving rejects to file src/tail.c.rej
address@hidden coreutils-8.29]$



Thanks,
Jewsco





-----Original Message-----
From: Pádraig Brady [mailto:address@hidden 
Sent: Thursday, May 3, 2018 8:47 PM
To: Jewsco Pius Jacquez <address@hidden>; address@hidden
Subject: Re: bug#31184: tail -f on Network FS not refreshing as soon as the 
file is changed.

On 02/05/18 06:39, Jewsco Pius Jacquez wrote:
> I tried and the --follow=name doesn't refresh either. The stat output is 
> changing.
> 
> address@hidden ~]$ tail --follow=name /media/samba/test.file 
> append Wed May  2 08:35:54 CDT 2018 append Wed May  2 08:35:54 CDT 
> 2018 append Wed May  2 08:35:54 CDT 2018 append Wed May  2 08:35:54 
> CDT 2018 append Wed May  2 08:35:54 CDT 2018 append Wed May  2 
> 08:35:54 CDT 2018 append Wed May  2 08:35:54 CDT 2018 append Wed May  
> 2 08:35:54 CDT 2018 append Wed May  2 08:35:54 CDT 2018 append Wed May  
> 2 08:35:55 CDT 2018 ^C
> address@hidden ~]$ tail --follow=name /media/samba/test.file 
> append Wed May  2 08:36:01 CDT 2018 append Wed May  2 08:36:01 CDT 
> 2018 append Wed May  2 08:36:01 CDT 2018 append Wed May  2 08:36:02 
> CDT 2018 append Wed May  2 08:36:02 CDT 2018 append Wed May  2 
> 08:36:02 CDT 2018 append Wed May  2 08:36:02 CDT 2018 append Wed May  
> 2 08:36:02 CDT 2018 append Wed May  2 08:36:02 CDT 2018 append Wed May  
> 2 08:36:02 CDT 2018 ^C
> address@hidden ~]$ while :; do stat -c '%s' 
> /media/samba/test.file; sleep 1; done
> 1649717
> 1650077
> 1650401
> 1650761
> 1651121
> 1651445
> 1651769
> 1652093
> 1652417
> 
> 
> About the reverting the patch, so I need to download the source and patch it?
> 
>   cd coreutils-8.29 &&
>   wget 'https://github.com/coreutils/coreutils/commit/7fc7206.patch' -O- |
>   patch -R -p1 &&
>   make

You'd done that previously, for for completeness yes you need to download the 
source first like:

  wget https://ftpmirror.gnu.org/coreutils/coreutils-8.29.tar.xz
  tar -xf coreutils-8.29.tar.xz

thanks,
Pádraig
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