54/66: gnu: postgresql: Use invoke.

[Mark H. Weaver]

mhw pushed a commit to branch core-updates
in repository guix.

commit 2c48ed4e97fe9ed645d9832b0a7735581e959511
Author: Mark H Weaver <address@hidden>
Date:   Fri Mar 23 03:35:19 2018 -0400

    gnu: postgresql: Use invoke.
    
    * gnu/packages/databases.scm (postgresql)[arguments]: Use invoke in the
    'build-contrib' and 'install-contrib' phases.
---
 gnu/packages/databases.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index acbb7a0..6dcebfb 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -728,10 +728,10 @@ as a drop-in replacement of MySQL.")
                        #t))
          (add-after 'build 'build-contrib
            (lambda _
-             (zero? (system* "make" "-C" "contrib"))))
+             (invoke "make" "-C" "contrib")))
          (add-after 'install 'install-contrib
            (lambda _
-             (zero? (system* "make" "-C" "contrib" "install")))))))
+             (invoke "make" "-C" "contrib" "install"))))))
     (inputs
      `(("readline" ,readline)
        ("libuuid" ,util-linux)