Date: Sat, 22 Feb 2003 17:09:24 +0100 From: Matthias Andree <ma@dt.e-technik.uni-dortmund.de> To: freebsd-ports@freebsd.org Subject: deinstall is not deinstall? Message-ID: <m3vfzcl2kr.fsf@merlin.emma.line.org>
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Hi,
I have recently been pondering (not too much though) over this problem:
"a port/package deinstall is not the same as a port/package deinstall".
What I mean is, we have two kinds of port/package deinstalls:
1. deinstall to install a newer version
2a. deinstall to get rid of a package and its "payload" data
2b. as 2a, but additionally, also remove configuration files
Now, case #1 is trivial, configuration and application data need to
remain in place.
Case #2 is somewhat more difficult, but useful.
Look at the leafnode or inn packages. They have a news spool. In case
the user switches to a different package, he no longer has use for the
old news spool, so rm -rf ${VAR:=/var}/spool/news would be sane.
pkg-deinstall doesn't treat that currently, and we don't even have the
possibility to display instructions other than from pkg-deinstall --
BTW, the Mk/bsd.port.mk doesn't use pkg_create's -K switch.
Of course, I can print deinstallation instructions ("how to trash your
spool if you don't intend to install a newer version"), but that's at
best inconvenient.
On a similar topic, a package might want to run special actions when it
is updated, so passing "UPDATE" to pkg-install might have a value.
What's the opinion on these topics?
--
Matthias Andree
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