16/16: build-system: texlive: Only make a union of directories.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 82af2c2f0f9eaaa1408c4e36d8a4273bf6f05ea1
Author: Ricardo Wurmus <address@hidden>
Date:   Sat Nov 18 11:16:34 2017 +0100

    build-system: texlive: Only make a union of directories.
    
    * guix/build/texlive-build-system.scm (configure): Filter the input
    directories to ensure that source tarballs are excluded.
---
 guix/build/texlive-build-system.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guix/build/texlive-build-system.scm 
b/guix/build/texlive-build-system.scm
index c0f262a..f6b9b96 100644
--- a/guix/build/texlive-build-system.scm
+++ b/guix/build/texlive-build-system.scm
@@ -46,7 +46,7 @@
     ;; Build a modifiable union of all inputs (but exclude bash)
     (match inputs
       (((names . directories) ...)
-       (union-build out directories
+       (union-build out (filter directory-exists? directories)
                     #:create-all-directories? #t
                     #:log-port (%make-void-port "w"))))