On Tue, 12 Sep 2000, Ralf Baechle wrote:
> On Mon, Sep 11, 2000 at 02:39:42PM -0700, Larry McVoy wrote:
> > On the other hand, if you do a
> >
> > find . -type f | xargs touch
> > time cvs update .
> >
> > it will melt down your DSL line for what seems forever. I killed it after
> > 20 minutes, I have better things to do with my bandwidth. It's pretty
> > clear that CVS is comparing timestamps so if your files get modified at
> > all, it's going to transfer them to see what needs to be updated. The
> > same sort of "touch all, then update" operation in BK has no effect on
> > performance, BK doesn't do its work that way.
>
> >From some random Linux source tree's .hdepend:
>
> /usr/people/ralf/src/linux/linux/include/asm/sn/sn0/ip27.h: \
> /usr/people/ralf/src/linux/linux/include/asm/mipsregs.h \
> /usr/people/ralf/src/linux/linux/include/asm/sn/addrs.h
> @touch /usr/people/ralf/src/linux/linux/include/asm/sn/sn0/ip27.h
> /usr/people/ralf/src/linux/linux/include/asm/sn/sn0/arch.h: \
> $(wildcard /usr/people/ralf/src/linux/linux/include/config/sgi/sn0/n/mode.h)
> @touch /usr/people/ralf/src/linux/linux/include/asm/sn/sn0/arch.h
> [...]
>
> Linux, born to be CVS worst case ...
Which also hinders compiling kernels in `cp -rl'd read-only trees...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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