From 160bf44c9b5bfa6410a74ed7f396de29c151b129 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Tue, 26 Apr 2022 10:12:03 -0400
Subject: [PATCH] doc: fix out-of-tree build from git

---
 doc/asciidoc-helper.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/asciidoc-helper.sh b/doc/asciidoc-helper.sh
index 98e216e68a..a3e2f8f9bf 100755
--- a/doc/asciidoc-helper.sh
+++ b/doc/asciidoc-helper.sh
@@ -12,7 +12,7 @@ if [ $# != 3 ]; then
     exit 1
 fi
 
-SOURCE_DATE_EPOCH="$(git show --no-patch --format='%ct')"
+SOURCE_DATE_EPOCH="$(git -C "$(dirname "$0")" show --no-patch --format='%ct')"
 export SOURCE_DATE_EPOCH
 
 output=$3