From af68f192afec941b2b1bffa2dab260b84e98a58c Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Sat, 14 Dec 2024 00:37:33 -0500
Subject: [PATCH] makepkg: Unify source time for reproducible source tarballs

---
 scripts/makepkg.sh.in | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 591b010e..7de46fb7 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -683,6 +683,9 @@ create_srcpackage() {
 		if [[ "$file" = "$(get_filename "$file")" ]] || (( SOURCEONLY == 2 )); then
 			local absfile
 			absfile=$(get_filepath "$file") || missing_source_file "$file"
+			if (( REPRODUCIBLE )); then
+				touch -d @$SOURCE_DATE_EPOCH "$absfile"
+			fi
 			msg2 "$(gettext "Adding %s...")" "${absfile##*/}"
 			ln -s "$absfile" "$srclinks/$pkgbase"
 		fi
@@ -724,6 +727,12 @@ create_srcpackage() {
 	local fullver=$(get_full_version)
 	local pkg_file="$SRCPKGDEST/${pkgbase}-${fullver}${SRCEXT}"
 
+	if (( REPRODUCIBLE )); then
+		# We have activated reproducible builds, so unify source times before
+		# building
+		find "${srclinks}/${pkgbase}" -exec touch -h -d @$SOURCE_DATE_EPOCH {} +
+	fi
+
 	# tar it up
 	msg2 "$(gettext "Compressing source package...")"
 	cd_safe "${srclinks}"