I have several optional components which install into
/var/optional-components (names changed to protect the innocent.) My
user may install zero or one or several.
In SVR4 packages we've been trained to "deliver" all directories in
trees that we will be installing files into, e.g.
...
# SMF manifests
d none var 0755 root sys
d none var/svc 0755 root sys
d none var/svc/manifest 0755 root sys
d none var/svc/manifest/system 0755 root sys
d none var/svc/manifest/system/cMyDomain 0755 root sys
f manifest var/svc/manifest/system/MyDomain/rpc_Foo.xml 0444 root sys
...
pkgrm does not remove any of these directories if they still contain
anything.
My experiments with
# pkg version
216d2efd0c27
from OpenSolaris 2008.11-RC1, show that if I have a preexisting
directory, for example, /var/optional-components, with preexisting
contents, then I install a package made from this manifest:
dir mode=0755 owner=root group=sys path=var/optional-components
file ... path=var/optional-components/ComponentOne
that my delivered files appear nicely in the directory. When I then
remove this package, all of /var/optional-components vanishes. I located
the preexisting contents in /var/pkg/lost+found/var/optional-components.
OK, so I've just confirmed behavior which might even be documented
somewhere besides the email archives.
SVR4 practice says deliver your entire tree; I expected at least that I
have to deliver the directory in each optional component's manifest
because each one might be the first to be installed. What's the Correct
Practice here? Am I supposed to deliver the directory only in one
package that would be guaranteed to be installed prior to any optional
component and also be removed last?
Note that newbies porting their prototype files to manifest.ips might be
at risk of some serious surprises, like delivering var then having
uninstall try to pull /var into /var/pkg. Could be the End Of The Universe.
?? --emk
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