R devel - Oct 2010 - library: loading of required packages and argument 'lib.loc'

Hi,

is there a reason why when calling the argument 'lib.loc' of library() 
is not used when trying to load the required packages?

0. Package A depends on package B
1. Install packages A and B in a subdirectory 'lib' of the current
directory
2. Call:

library(A, lib.loc='./lib')

This will give something like the following:

Loading required package: B
Error: package 'B' could not be loaded
In addition: Warning message:
In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = 
lib.loc) :
   there is no package called 'B'

In function library there the call '.getRequiredPackages2(pkgInfo)' 
loads the required packages but do not pass the argument lib.loc 
(whereas .getRequiredPackages2 has an argument for this).
I know a quick work around for this is to put './lib' into .libPaths but
it would be nice if library() could do it locally (e.g. pass the 
argument), without changing the global settings.

Thanks,
Renaud


 

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