gnu: Use invoke and return #t from all builders.

* gnu/packages/admin.scm, gnu/packages/android.scm, gnu/packages/audio.scm,
gnu/packages/avr.scm, gnu/packages/base.scm, gnu/packages/bioinformatics.scm,
gnu/packages/certs.scm, gnu/packages/check.scm, gnu/packages/code.scm,
gnu/packages/commencement.scm, gnu/packages/dictionaries.scm,
gnu/packages/docbook.scm, gnu/packages/emacs.scm, gnu/packages/embedded.scm,
gnu/packages/fonts.scm, gnu/packages/games.scm, gnu/packages/gnome.scm,
gnu/packages/gnu-doc.scm, gnu/packages/guile.scm, gnu/packages/hurd.scm,
gnu/packages/javascript.scm, gnu/packages/libreoffice.scm,
gnu/packages/linux.scm, gnu/packages/lisp.scm, gnu/packages/lxde.scm,
gnu/packages/mail.scm, gnu/packages/markup.scm, gnu/packages/mate.scm,
gnu/packages/pkg-config.scm, gnu/packages/qt.scm, gnu/packages/rust.scm,
gnu/packages/scheme.scm, gnu/packages/sdl.scm, gnu/packages/statistics.scm,
gnu/packages/syncthing.scm, gnu/packages/tex.scm, gnu/packages/web.scm,
gnu/packages/wine.scm, gnu/packages/xfce.scm: In the builders of packages
using 'trivial-build-system', use invoke where appropriate, raise exceptions
on errors, and otherwise return #t.

1 files changed, 2 insertions, 1 deletions

diff --git a/gnu/packages/certs.scm b/gnu/packages/certs.scm
index bb8facbc89..bfc5ff169f 100644
--- a/gnu/packages/certs.scm
+++ b/gnu/packages/certs.scm
@@ -63,7 +63,8 @@
               (("crt") "pem"))
             (mkdir-p bin)
             (copy-file "certdata2pem.py"
-                       (string-append bin "/certdata2pem.py"))))))
+                       (string-append bin "/certdata2pem.py"))
+            #t))))
    (synopsis "Python script to extract .pem data from certificate collection")
    (description
     "certdata2pem.py is a Python script to transform X.509 certificate