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-rw-r--r--gnu/system/install.scm7
1 files changed, 6 insertions, 1 deletions
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 9314462f30..c161526d77 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -74,8 +74,13 @@ under /root/.guix-profile where GUIX is installed."
           ;; length limitation.
           (with-directory-excursion %root
             (zero? (system* "tar" "--xz" "--format=gnu"
-                            "--owner=root:0" "--group=root:0"
+
+                            ;; avoid non-determinism in the archive
+                            "--sort=name"
                             "--mtime=@0"          ;for files in /var/guix
+                            "--owner=root:0"
+                            "--group=root:0"
+
                             "--check-links"
                             "-cvf" #$output
                             ;; Avoid adding / and /var to the tarball,