Date: 22 Apr 2003 22:33:09 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Kris Kennaway <kris@obsecurity.org> Cc: Sergey Matveychuk <sem@ciam.ru> Subject: Re: Recent bsd.port.mk changes Message-ID: <1051065189.68327.9.camel@shumai.marcuscom.com> In-Reply-To: <20030423013231.GA66663@rot13.obsecurity.org> References: <000501c3074c$e5c2be80$0a2da8c0@sem> <3EA48724.3080602@ciam.ru><3EA53B4A.4030700@ciam.ru> <3EA5EA0D.8070500@ciam.ru> <20030423013231.GA66663@rot13.obsecurity.org>
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On Tue, 2003-04-22 at 21:32, Kris Kennaway wrote:
> On Wed, Apr 23, 2003 at 05:19:09AM +0400, Sergey Matveychuk wrote:
> > Kris Kennaway wrote:
> > >features enabled ("foo-1.2.3" vs "foo-esound-1.2.3" etc.) This is why
> > >I suggested that comparing the installation prefix and pkg-plist for
> > >overlap with ports that have the same origin may be the only way to do
> > >this reliably.
> >=20
> > I don't know how to compare pkg-plist files? How to make decision a por=
t=20
> > is older version and not variant of current one? It must be some=20
> > evristic method. Some files can be moved in other place, some files can=
=20
> > be new, some files can be moved away in new version.
> > In port's variant case path can be changed or file name can be changed=20
> > (libsome.so and libsome_r.so).
>=20
> You can extract the prefix from the installed package by grepping for
> @cwd in +CONTENTS.
Or you can use pkg_info -p -q ${PKGNAME} which is what the patch I sent
you uses.
> Similarly you can extract the list of installed
> files by doing grep -v ^@ +CONTENTS. =20
pkg_info -f -q ${PKGNAME} should provide this.
> For each package that has our
> origin (or a previous origin as looked up in the MOVED file), do the
> following: if the installed prefix =3D=3D $PREFIX and one or more of the
> installed files matches a file in pkg-plist (checked using
> e.g. comm(1)), then we are going to conflict and we should not
> install. I can't immediately think of how to implement the installed
> plist extraction without using a temporary file, but it should be
> possible with some thought.
I can try to modify the patch I sent you to do this check as well. It
already does the ${PREFIX} check.
Joe
>=20
> Kris
--=20
PGP Key : http://www.marcuscom.com/pgp.asc
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