On Fri, Dec 10, 2010 at 04:05:19PM +0800, Thomas Goirand wrote:
> The symlink creation should be removed completely, because it's
> preventing upgrades from Lenny.
seeing as this is reported by the maintainer, i'm just trying to figure out in
more detail what this bug is about in case others stumble upon this as well...
correct me if i'm wrong, but i think the symlink referred to is in the
postinst, which includes a long rant from an unknown person, that doesn't
really clarify what the symlink is really even trying to solve:
#!/bin/sh
set -e
# Everyone rejected my repeated requests saying it was useless, so I will do
it
# in this package, because I'm tired that Debian has no support for the
# standard path that works EVERYWHERE ELSE, then creating compatibility
# and versionning issues when the solution is so obvious.
# 1/ If someone do not agree with the following, then please start a
discussion
# with your motivated arguments against this on debian-de...@l.d.o.
# 2/ If someone claims that this should be made in another package, I do
agree.
# But then convince the other maintainers that are maintaining the
# hypervisor, not me, I do agree with that point.
# In the mean time, I'll put this in all packages I believe need access to the
# standard path.
if ! [ -e /usr/lib/xen ] ; then
ln -s /etc/alternatives/xen-default /usr/lib/xen
fi
exit 0
when triggered, this ends up creating a dead symlink for /usr/lib/xen that
points to /etc/alternatives/xen-default, which could result in problems since
nothing apparently ensures that /etc/alternatives/xen-default actually exists
and points to a directory.
it also seems to be a backwards use of /etc/alternatives, as normally there is
a symlink such as /usr/bin/foo that points to /etc/alternatives/foo which then
links to one of the possible implementations of "foo" such as /usr/bin/foo-bar
or /usr/bin/foo-baz. if it really is a valid use-case, it should probably be
using update-alternatives instead of manually calling "ln -s".
hope that clarifies things, or at least gives something with which to clarify
the issues.
live well,
vagrant
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