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-rwxr-xr-xcontrib/guix/guix-build2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/guix/guix-build b/contrib/guix/guix-build
index 5a908a507d..dd7229b6fa 100755
--- a/contrib/guix/guix-build
+++ b/contrib/guix/guix-build
@@ -232,7 +232,7 @@ host_to_commonname() {
}
# Determine the reference time used for determinism (overridable by environment)
-SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git log --format=%at -1)}"
+SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git -c log.showSignature=false log --format=%at -1)}"
# Execute "$@" in a pinned, possibly older version of Guix, for reproducibility
# across time.