From 06fe647ff578cf281e56302ddb60f0bde98577e8 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Tue, 11 Feb 2020 16:07:22 +0100
Subject: chroot.inc: do not create empty overlay lists

---
 core/includes/chroot.inc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/includes/chroot.inc b/core/includes/chroot.inc
index 87167fa2..d5a404c5 100644
--- a/core/includes/chroot.inc
+++ b/core/includes/chroot.inc
@@ -164,14 +164,13 @@ chroot_handle_whiteouts() {
 	local WHITEOUT_LIST="${CHROOT_UPPERDIR}/overlay.whiteout.list"
 	rm -f -- "$WHITEOUT_LIST"
 	mkdir -p "$(dirname "$WHITEOUT_LIST")" || perror "Could not create $(dirname "$WHITEOUT_LIST")"
-	touch "$WHITEOUT_LIST" || perror "Could not touch whiteout list $WHITEOUT_LIST"
 	pdebug "Searching for overlayfs-whiteouts ..."
 	for WHITEOUT in $(find "$CHROOT_UPPERDIR" \( -type c -perm 0000 \) -o -lname "(overlay-whiteout)"); do
 		pdebug "Whiteout found: $WHITEOUT"
 		echo "/./${WHITEOUT#$CHROOT_UPPERDIR}" >> "$WHITEOUT_LIST"
 		rm -f -- "$WHITEOUT" || perror "Could not delete whiteout $WHITEOUT!"
 	done
-	pinfo "Whiteout list dumped to '${CHROOT_UPPERDIR}/overlay.whiteout.list'"
+	[ -s "$WHITEOUT_LIST" ] && pinfo "Whiteout list dumped to '${CHROOT_UPPERDIR}/overlay.whiteout.list'"
 }
 
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