Eric Blake <eblake <at> redhat.com> writes:
> ...
> > cp -f ${grub_cfg}.new ${grub_cfg} ; rm -f ${grub_cfg}.new
> >
> > Better?
>
> No. cp is not atomic. rename(2) (via mv(1), if both files are on the
> same device) is. Any solution that does not use rename(2) is flawed,
> because an ill-timed power-outage will leave the file in an inconsistent
> state.
Well, the only solution is a new option for mv(1), right ?
mv --follow-symlink ...
JB
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