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-rw-r--r--gnu/system/install.scm7
1 files changed, 5 insertions, 2 deletions
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 1686cbdb06..93a6f18c49 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -76,9 +76,12 @@ under /root/.guix-profile where GUIX is installed."
(with-directory-excursion %root
(zero? (system* "tar" "--xz" "--format=gnu"
- ;; avoid non-determinism in the archive
+ ;; Avoid non-determinism in the archive. Use
+ ;; mtime = 1, not zero, because that is what the
+ ;; daemon does for files in the store (see the
+ ;; 'mtimeStore' constant in local-store.cc.)
"--sort=name"
- "--mtime=@0" ;for files in /var/guix
+ "--mtime=@1" ;for files in /var/guix
"--owner=root:0"
"--group=root:0"