'su lyx' changes file access privileges

[Scott Kostyshak]

On Sun, Sep 27, 2020 at 04:31:24PM +0200, paolo m.  wrote:
> Kornel Benko wrote:
> 
> > Am Sun, 27 Sep 2020 14:03:44 +0200
> > schrieb "paolo m. " <paolo.pumilia at gmail.com>:
> > 
> >> Kornel Benko wrote:
> >> 
> >> > Am Sun, 27 Sep 2020 13:19:52 +0200
> >> > schrieb "paolo m." <paolo.pumilia at gmail.com>:
> >> >   
> >> >> Sometimes, while  in user1 session, I find convenient launching lyx as
> >> >> user2
> >> >> (same group as user1)  to open a lyx file, through 'su'.
> >> >> As user2 changes and save that file, access privileges are changed as
> >> >> well. That does not happen when a text file is opened by kwrite, so it
> >> >> should be something specific to lyx.
> >> >>  
> >> >> Before 'su' switch:
> >> >> text file     x            -rw-rw-r--
> >> >> lyx file     xx.lyx        -rw-rw-r--
> >> >> 
> >> >> Switching and modifying file x (by  kwrite)  and xx.lyx (by lyx):
> >> >>               x          -rw-rw-r--
> >> >>               xx.lyx     -rw-------
> >> >> 
> >> >> (Same results when  launching 'dolphin' file manager as user2 to open
> >> >> a lyx file, through 'su'').
> >> >>   
> >> > 
> >> > Have you checked the setting of 'umask' for both users?
> >> > 
> >> > Kornel
> >> Yes, umask is set in /etc/zshenv;  kwrite complies with that
> >> specification Maybe lyx reads a different umask setting?
> >> 
> >> thanks
> >> 
> >> p.
> >> 
> > 
> > Hm, I meant the output of the command 'umask'.
> > Maybe it is set be /etc/zshenv, but there may be different handling (like
> > include of user specific file).
> > 
> >  Here it is for example
> >  $ umask
> > 22
> > 
> > Kornel
> 
> Umask is the same for both users: 
> % umask
>  002
>  
> 
> % grep -i umask /etc/zshenv
>   umask u=rwx,g=rwx,o=rx 

Is the following discussion related?

https://www.mail-archive.com/search?l=mid&q=ptceag%245s5%241%40blaine.gmane.org

Scott
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