Date: Fri, 18 Aug 2006 10:42:40 -0500 From: Brooks Davis <brooks@one-eyed-alien.net> To: Yar Tikhiy <yar@comp.chem.msu.su> Cc: Brooks Davis <brooks@one-eyed-alien.net>, Dag-Erling Sm?rgrav <des@des.no>, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src/etc rc.subr Message-ID: <20060818154240.GA3050@lor.one-eyed-alien.net> In-Reply-To: <20060818153744.GA14726@comp.chem.msu.su> References: <200608181210.k7ICAIme084410@repoman.freebsd.org> <86ejvet9m6.fsf@xps.des.no> <20060818143310.GA14203@comp.chem.msu.su> <20060818143508.GA2545@lor.one-eyed-alien.net> <20060818153744.GA14726@comp.chem.msu.su>
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On Fri, Aug 18, 2006 at 07:37:44PM +0400, Yar Tikhiy wrote:
> On Fri, Aug 18, 2006 at 09:35:08AM -0500, Brooks Davis wrote:
> > On Fri, Aug 18, 2006 at 06:33:11PM +0400, Yar Tikhiy wrote:
> > > On Fri, Aug 18, 2006 at 04:13:37PM +0200, Dag-Erling Sm?rgrav wrote:
> > > > Yar Tikhiy <yar@FreeBSD.org> writes:
> > > > > Log:
> > > > > The ps(1) command is unfriendly to scripts by default because
> > > > > it limits the width of its output to the value of $COLUMNS, or
> > > > > what TIOCGWINSZ reports, or 79 columns. We should specify -ww
> > > > > to ps(1) so that it removes the limit and prints lines in full.
> > > > > Otherwise very long command pathnames could be mishandled, e.g.,
> > > > > by _find_processes().
> > > >=20
> > > > or perhaps _find_processes() should use pgrep(1) instead of ps(1).
> > >=20
> > > I considered that but had to stick to ps(1) because pgrep was in
> > > /usr/bin while ps was in /bin. The use of /usr/bin tools should
> > > be very limited in rc.subr(8). OTOH, pgrep uses /lib libs only,
> > > which makes it possible to transfer pgrep+pkill to /bin if we can
> > > stand the growth of / by some 50 kbytes.
> >=20
> > I think that's appropriate since pgrep is such an obvious fit for this
> > sort of thing. I think we'll want to consider compatability symlinks
> > due to existing hardcoded paths in scripts.
>=20
> Creating the compat symlinks should be as easy as adding the following
> lines to the Makefile:
>=20
> SYMLINKS=3D ${BINDIR}/pgrep /usr/bin/pgrep
> SYMLINKS+=3D ${BINDIR}/pkill /usr/bin/pkill
>=20
> Hopefully they can be removed after a certain period of time.
>=20
> Should we just override BINDIR in the Makefile and let the things
> settle before requesting the repo-copy?
That's probably the best way to go. Then we get any screaming out of
the way before the repo surgury happens. :)
-- Brooks
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