What's worse: unowned directories or multiple owners?

[Michael Schwendt]

On Fri, 31 Mar 2006 15:33:33 +0200, Ralf Corsepius wrote:

> On Fri, 2006-03-31 at 15:26 +0200, Michael Schwendt wrote:
> > On Fri, 31 Mar 2006 06:46:39 +0200, Ralf Corsepius wrote:
> > 
> > > > You misunderstood me completely. Let me rephrase. There are multiple
> > > > packages which include the /usr/share/emacs directory. So, currently any
> > > > dependency on that directory would pull in an arbitrary package which
> > > > provides this directory (shortest pkg name wins in Yum). What does this
> > > > mean for any package which would "Requires(pre): /usr/share/emacs"?
> > >
> > > It would pull in another package you don't want and don't have any use
> > > for. That's why I consider it harmful.
> > 
> > That's why ownership of directories should be limited to one package only
> > _and_ no such dependencies on directories must be implemented as long as
> > there are multiple packages which provide that directory.
>
> With all due respect, you are trying to derive a general rule and to
> overengineer a rule, were there is none. It all depends on details.

Yes, I want to avoid pitfalls. /etc/init.d is one such pitfall.
/usr/share/foo may become another one if multiple packages own it as a
directory.
 
> > But you don't want to understand. I do not propose such a "Requires".
>
> A Requires(pre): <dir> is appropriate for plugs-ins, which are tied to
> one or several applications, such as mozilla/firefox plugins.

Yes, but this question was on "/usr/share/emacs".
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Quoting you. ;)
 
> Examples for corner cases would be pkgconfig files, aclocal macros or
> tex styles. Here it's up to the eye of the beholder to decide if these
> are tied to one application or if they are optional components.

$ repoquery --whatprovides /usr/share/applications
nautilus-0:2.14.0-1.i386
glade2-0:2.12.1-2.i386
gthumb-0:2.7.3-2.i386
file-roller-0:2.14.0-1.i386
openoffice.org-math-1:2.0.2-5.2.2.i386
openoffice.org-calc-1:2.0.2-5.2.2.i386
openoffice.org-draw-1:2.0.2-5.2.2.i386
filesystem-0:2.3.7-1.2.1.i386
gftp-1:2.0.18-3.2.1.i386
gnome-terminal-0:2.14.0-1.i386
eog-0:2.14.0-1.i386
gdm-1:2.14.0-1.i386
bug-buddy-1:2.14.0-1.i386
gnome-media-0:2.14.0-2.i386
gnome-system-monitor-0:2.14.0-1.i386
gnome-session-0:2.14.0-1.i386
gnome-games-1:2.14.0-1.i386
system-config-httpd-5:1.3.3-1.1.noarch
gedit-1:2.14.0-1.i386
openoffice.org-writer-1:2.0.2-5.2.2.i386
gnome-utils-1:2.14.0-3.i386
xscreensaver-base-1:4.24-1.1.i386
openoffice.org-base-1:2.0.2-5.2.2.i386
kdelibs-6:3.5.1-2.3.i386
openoffice.org-impress-1:2.0.2-5.2.2.i386
dia-1:0.94-19.i386
gedit-1:2.14.1-1.i386
xscreensaver-base-1:4.24-2.i386

$ repoquery --whatprovides /usr/lib/pkgconfig
libXext-devel-0:1.0.0-3.2.i386
fontconfig-devel-0:2.3.94-1.i386
gtk2-engines-0:2.7.4-3.i386
libXi-devel-0:1.0.0-2.2.i386
libICE-devel-0:1.0.0-2.2.i386
anthy-devel-0:7100b-2.2.1.i386
xorg-x11-xtrans-devel-0:1.0.0-3.2.i386
libXfont-devel-0:1.0.0-2.2.i386
libXevie-devel-0:1.0.0-2.2.i386
gnome-python2-0:2.12.4-1.i386
libXScrnSaver-devel-0:1.0.1-1.2.i386
libXres-devel-0:1.0.0-2.2.i386
libXxf86dga-devel-0:1.0.0-2.2.i386
libdmx-devel-0:1.0.1-1.2.i386
libxkbfile-devel-0:1.0.1-1.2.i386
libXrender-devel-0:0.9.0.2-3.2.i386
pkgconfig-1:0.20-2.2.1.i386
libSM-devel-0:1.0.0-2.2.i386
libXTrap-devel-0:1.0.0-2.2.i386
libXpm-devel-0:3.5.4.2-2.2.i386
libFS-devel-0:1.0.0-2.2.i386
libXxf86vm-devel-0:1.0.0-2.2.i386
libglade-devel-1:0.17-16.2.1.i386
freetype-devel-0:2.1.10-5.2.1.i386
libpng10-devel-0:1.0.18-3.2.1.i386
xorg-x11-server-sdk-0:1.0.1-8.i386
libXinerama-devel-0:1.0.1-1.2.i386
libxkbui-devel-0:1.0.1-1.2.i386
libXcursor-devel-0:1.1.5.2-2.2.i386
liboldX-devel-0:1.0.1-1.2.i386
libXdamage-devel-0:1.0.2.2-2.2.i386
gtk+-devel-1:1.2.10-50.i386
libXtst-devel-0:1.0.1-1.2.i386
libfontenc-devel-0:1.0.1-1.2.i386
libXxf86misc-devel-0:1.0.0-2.2.i386
libXaw-devel-0:1.0.1-1.2.i386
libXp-devel-0:1.0.0-2.2.i386
libXfontcache-devel-0:1.0.1-1.2.i386
libXfixes-devel-0:3.0.1.2-2.2.i386
libX11-devel-0:1.0.0-3.i386
libXv-devel-0:1.0.1-1.2.i386
libXrandr-devel-0:1.1.0.2-2.2.i386
GConf-devel-0:1.0.9-20.i386
libXt-devel-0:1.0.0-2.2.i386
liblbxutil-devel-0:1.0.0-2.2.i386
libdrm-devel-0:2.0-2.2.i386
libXmu-devel-0:1.0.0-2.2.i386
libXau-devel-0:1.0.0-2.2.i386
libXcomposite-devel-0:0.2.2.2-2.2.i386
eel2-devel-0:2.14.0-1.i386
xorg-x11-server-sdk-0:1.0.1-9.i386
anthy-devel-0:7500-1.fc5.i386