On 8 Oct 2009, at 12:00, David Chisnall wrote:
On 8 Oct 2009, at 11:50, Richard Frith-Macdonald wrote:
- How does this allow a packager to install and remove defaults as
part of package installation / uninstallation? Presumably you can
use plmerge to install them (again, is this documented anywhere?),
but how do you uninstall them?
This is a text property list ... a packager would manage it in
exactly the same way as any other text file they install/uninstall
with their packaging system.
Probably something as simple as 'rm -rf /etc/GNUstep' when you are
removing GNUstep from your system.
You misunderstand the question. Here's a concrete example:
Camaelon, EtoileBehavior and EtoileMenu all provide appkit user
bundles. They are each installed as separate packages. A person
creating a package for them wants to make them default for every
user. This requires:
1) When the package is installed, each needs to be added to the
NSGlobalDomain GSUserAppKitBundles array.
2) When the package is uninstalled, each needs to be removed from
the array.
Step 1 can, I believe, be accomplished with plmerge. How would you
go about doing step 2?
You are right, I did misunderstand ... I understood the term
'packager' to refer to the person/people responsible for providing
GNUstep with a distribution ... ie for a set of packages which are all
intended to work together as part of an entire system (such as Ubuntu)
and where the 'packager' would reasonably be expected to set policy
for all users of the system.
I think what you are suggesting is probably (usually at least)
undesirable ... a person providing a single package of their own piece
of software should probably *not* be setting policy for the system and
therefore should not be setting global defaults.
However, for the scenario you are suggesting the answer is still
pretty much the same ... the packager could do it the same way as with
most other software ... edit the file using standard unix tools such
as sed and awk. Of course, we could provide specific utilities like
plmerge, but 'standard' unix techniques of marking sections of the
file with comments and removing/inserting stuff between those comments
would work just fine.
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