[m-rev.] for review: Put .mh files into Mercury/mhs subdirectory.

[Peter Wang]

On Tue, 23 Jul 2024 08:41:52 +0200 "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> 
> 
> On Tue, 23 Jul 2024 16:29:26 +1000, Peter Wang <novalazy at gmail.com> wrote:
> 
> > The Mercury/<ext>s -> .. symlinks
> > are ugly, but expected by mmc --make and mmake --use-subdirs.
> 
> That is exactly what needs to be fixed first.

Trying to fix mmake --use-subdirs is likely to cause loss of hair.
Can we drop support for mmake --use-subdirs at some stage,
at which time we can stop creating those symlinks?
Assuming mmc --make is fixed first.

> > (It's not impossible to back up the directory, but of course you can't
> > dereference the symlinks when doing so.)
> 
> A requirement that everyone who tries to use "cp" to backup a Mercury install
> has to discover for him/herself. I find that to be ... seriously suboptimal.

Right. At least cp doesn't dereference by default.

Peter