Now that HEAD is for fg/osg only, some aircraft and other stuff
will soon start to work badly or not at all with v1.0 and fg/plib.
No problem for exclusive fg/osg users, but some people still like
volumetric shadows and 3D clouds and will therefore also use
fg/plib for a while. (Helicopters in outside view without shadows
are very hard to handle.) There are different ways to deal with
this problem:
(a) If it's only a few aircraft that you run in fg/plib only,
just switch those aircraft (or other files) to the PLIB branch:
$ cd $FG_ROOT/Aircraft/bo105
$ cvs up -rPLIB
This works for single files as well. $ cvs up -rPLIB foo.xml
you can at any time switch back to HEAD: $ cvs up -A
(b) Keep full data for both branches (if you have a lot of free
disk space):
$ cp -a Data.OSG Data.PLIB
$ cvs up -rPLIB Data.PLIB
(c) Create a shadow PLIB data dir, where all files & dirs are
only links to their HEAD counterparts, except for those where
you want a plib version. Do something like this (untested):
$ mkdir Data.PLIB
$ cd Data.PLIB
$ ln -s ../Data.OSG/* .
$ rm Aircraft # remove dir link
$ mkdir Aircraft # and make it a real dir
$ cd Aircraft
$ ln -s ../../Data.OSG/Aircraft/* .
$ rm bo105
$ cp -a ../../Data.OSG/Aircraft/bo105 .
$ cvs up -rPLIB bo105
Now you can run $ fgfs.osg --fg-root=foo/Data.OSG and
$ fgfs.plib --fg-root=foo/Data.PLIB
while saving lots of disk space.
I use (c). :-)
m.
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