Lcd wrote:
> > > Scenario:
> > >
> > > (1) umask 0177
> > > (2) run Vim
> > > (3) in Vim run system(), say:
> > >
> > > :echo system('ls')
> > >
> > > On Linux machines the result is:
> > >
> > > E484: Can't open file /tmp/viEkD0f/2
> > >
> > > It's easy to see why:
> > >
> > > $ ls -ld /tmp/viEkD0f
> > > drw------- 2 1034 1023 40 Jun 4 13:32 /tmp/viEkD0f/
> > >
> > > The code has provisions to deal with this situation, but only on
> > > systems that don't have mkdtemp(3). Glibc has mkdtemp(3).
> >
> > Setting umask to that value is like shooting yourself in the foot.
> > I would not call this a Vim problem.
>
> Sure, it's useless in a login shell. It isn't as clear cut whether
> it's always useless in a script. And Vim's system() shouldn't stop
> working because of it. I'm actually just relaying the report here,
> since some people seem to have a use for that umask, and blaming me for
> the results:
>
> https://github.com/scrooloose/syntastic/issues/1781
Actually, Vim already has code to work around that, see the use of
vim_mkdir() in vim_tempname(). But somehow it doesn't work...
Ah, when the use of mkdtemp() was added this part was omitted.
That can be fixed.
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