01/02: gnu: icecat: Improve computed 'icecat-source' tarball.

[guix-commits]

mhw pushed a commit to branch master
in repository guix.

commit 8cf160e12253d65e9122d56cb602e0907e8c71bc
Author: Mark H Weaver <address@hidden>
Date:   Tue Mar 19 19:01:48 2019 -0400

    gnu: icecat: Improve computed 'icecat-source' tarball.
    
    * gnu/packages/gnuzilla.scm (icecat-source): When packing the new IceCat
    tarball, set the mtime of archived files to early 1980.  Remove useless
    'string-append' applied to one argument.
---
 gnu/packages/gnuzilla.scm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index 785d5c1..6992a7b 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -722,11 +722,15 @@ from forcing GEXP-PROMISE."
                         (string-append old-icecat-dir "/l10n")
                         (string-append old-icecat-dir "/debian"))
 
-                (format #t (string-append "Packing new IceCat tarball...~%"))
+                (format #t "Packing new IceCat tarball...~%")
                 (force-output)
                 (invoke "tar" "cfa" #$output
-                        ;; avoid non-determinism in the archive
-                        "address@hidden"
+                        ;; Avoid non-determinism in the archive.  We set the
+                        ;; mtime of files in the archive to early 1980 because
+                        ;; the build process fails if the mtime of source
+                        ;; files is pre-1980, due to the creation of zip
+                        ;; archives.
+                        "address@hidden" ; 1980-01-02 UTC
                         "--owner=root:0"
                         "--group=root:0"
                         "--sort=name"