ob_get_system_path(): Allow overriding DATADIR

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/metadata.sh b/lib/metadata.sh
index 0597841..da3ff60 100644
--- a/lib/metadata.sh
+++ b/lib/metadata.sh
@@ -315,7 +315,10 @@ ob_plat_is_concerned()
 ##          \fIversion\fP.  For \fBbuildflags\fP the argument is \fI arch\fP. 
 ##          For \fBplatconf\fP they can be either only \fIplat\fP or all of
 ##          \fIsource\fP, \fIversion\fP, and \fIplat\fP; the latter form is
-##          deprecated.
+##          deprecated.  For \fBbuildflags\fP and \fBplatconf\fP, the system
+##          path will be under the value of the \fIOB_TEST_DATADIR\fP
+##          environment variable, if set and not null; this is intended for use
+##          in testing programs that call this function.
 ## @operand path_id req One of \fBpackage-source\fP, \fBpackage-docs\fP,
 ##                      \fBbuildflags\fP, or \fBplatconf\fP.
 ## @operand args    req Additional arguments specific to each \fIpath_id\fP.