branch master updated: build: minify-build-system: Fail to install empty files.

[guix-commits]

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efraim pushed a commit to branch master
in repository guix.

The following commit(s) were added to refs/heads/master by this push:
     new 5b77e9c  build: minify-build-system: Fail to install empty files.
5b77e9c is described below

commit 5b77e9ca14ff7fc74b849492e96353939f29664b
Author: Efraim Flashner <address@hidden>
AuthorDate: Wed May 6 11:27:48 2020 +0300

    build: minify-build-system: Fail to install empty files.
    
    * guix/build/minify-build-system.scm (install): Produce an error if the
    minified file is zero bytes.
---
 guix/build/minify-build-system.scm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/guix/build/minify-build-system.scm 
b/guix/build/minify-build-system.scm
index 563def8..92158a0 100644
--- a/guix/build/minify-build-system.scm
+++ b/guix/build/minify-build-system.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2016 Ricardo Wurmus <address@hidden>
+;;; Copyright © 2020 Efraim Flashner <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -54,8 +55,12 @@
   (let* ((out (assoc-ref outputs "out"))
          (js  (string-append out "/share/javascript/")))
     (mkdir-p js)
-    (for-each (cut install-file <> js)
-              (find-files "guix/build" "\\.min\\.js$")))
+    (for-each
+      (lambda (file)
+        (if (not (zero? (stat:size (stat file))))
+          (install-file file js)
+          (error "File is empty: " file)))
+      (find-files "guix/build" "\\.min\\.js$")))
   #t)
 
 (define %standard-phases