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, 14 insertions, 12 deletions

diff --git a/gnu/packages/javascript.scm b/gnu/packages/javascript.scm
index b52edb22546..6288c443add 100644
--- a/gnu/packages/javascript.scm
+++ b/gnu/packages/javascript.scm
@@ -60,10 +60,10 @@
                                %build-inputs))
          (let ((install-directory (string-append %output "/share/fonts/mathjax")))
            (mkdir-p install-directory)
-           (zero? (system* "tar" "-C" install-directory "-xvf"
-                           (assoc-ref %build-inputs "source")
-                           ,(string-append "MathJax-" version "/fonts")
-                           "--strip" "2"))))))
+           (invoke "tar" "-C" install-directory "-xvf"
+                   (assoc-ref %build-inputs "source")
+                   ,(string-append "MathJax-" version "/fonts")
+                   "--strip" "2")))))
     (native-inputs
      `(("gzip" ,gzip)
        ("tar" ,tar)))
@@ -94,10 +94,10 @@
           (list (assoc-ref %build-inputs "glibc-utf8-locales")))
          (setenv "LANG" "en_US.UTF-8")
          (let ((install-directory (string-append %output "/share/javascript/mathjax")))
-           (system* "tar" "xvf" (assoc-ref %build-inputs "source")
-                    ,(string-append "MathJax-" (package-version font-mathjax)
-                                    "/unpacked")
-                    "--strip" "2")
+           (invoke "tar" "xvf" (assoc-ref %build-inputs "source")
+                   ,(string-append "MathJax-" (package-version font-mathjax)
+                                   "/unpacked")
+                   "--strip" "2")
            (mkdir-p install-directory)
            (symlink (string-append (assoc-ref %build-inputs "font-mathjax")
                                    "/share/fonts/mathjax")
@@ -118,7 +118,9 @@
                         (dump-port minified port)))))
                  (else
                   (install-file file (dirname installed))))))
-            (find-files "."))))))
+            (find-files "."))
+
+           #t))))
     (native-inputs
      `(("font-mathjax" ,font-mathjax)
        ("glibc-utf8-locales" ,glibc-utf8-locales)
@@ -159,9 +161,9 @@ be able to view it naturally and easily.")))
                                %build-inputs))
          (let ((install-directory (string-append %output
                                                  "/share/javascript/respond/")))
-           (system* "tar" "xvf"
-                    (assoc-ref %build-inputs "source")
-                    "--strip" "1")
+           (invoke "tar" "xvf"
+                   (assoc-ref %build-inputs "source")
+                   "--strip" "1")
            (mkdir-p install-directory)
            (let* ((file "src/respond.js")
                   (installed (string-append install-directory "respond.min.js")))