Konstantin Chuguev wrote:
> Hi,
>
> Ruslan Ermilov wrote:
>
> > The attached patch incorporates most of OpenBSD fixes to install(1).
> > It does not include manpage update. Most significant changes are:
> >
> > o New flag: -S (atomic install)
> >
> > : -S Safe copy. Normally, install unlinks an existing target before
> > : installing the new file. With the -S flag a temporary file is
> > : used and then renamed to be the target. The reason this is safer
> > : is that if the copy or rename fails, the existing target is left
> > : untouched.
> >
>
> Just curious: why not make this way of doing install default (i.e. always use
> it)?
It may effectively doubles disk space requirements during copy (when destination
file is not on a sofdep-enabled partition and is not open at the moment when
install(8) unlinks it). For small files it doesn't matter, but for a big ones it
could lead to a problem.
-Maxim
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