From d24ca0490b35ba12e0135c8098a9135b959dfc4d Mon Sep 17 00:00:00 2001
From: Steve Langasek <steve.langasek@canonical.com>
Date: Fri, 13 Oct 2017 22:15:38 -0400
Subject: [PATCH] Pass --cache false to lb config; otherwise we copy around
 caches of .debs that are never used properly, and which prevent us from
 emptying /var/cache/apt in images.

---
 debian/changelog       | 3 +++
 live-build/auto/config | 1 +
 2 files changed, 4 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index f7062cd6..c7554cdc 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,9 @@ livecd-rootfs (2.477) UNRELEASED; urgency=medium
   * Remove boot/grub leftovers from our root squashfs, left behind after
     grub purge.
   * Remove apt, debconf cruft files from /var/cache in all our livefses.
+  * Pass --cache false to lb config; otherwise we copy around caches of
+    .debs that are never used properly, and which prevent us from emptying
+    /var/cache/apt in images.
   * When building minimized cloud images, remove various packages that we
     don't want installed by default.  Some are tools that aren't needed for
     non-interactive use; some are libraries whose reverse-dependencies
diff --git a/live-build/auto/config b/live-build/auto/config
index bf7435d7..52a03469 100755
--- a/live-build/auto/config
+++ b/live-build/auto/config
@@ -694,6 +694,7 @@ lb config noauto \
 	--initsystem none \
 	--bootloader "$BOOTLOADER" \
 	--initramfs-compression lzma \
+	--cache false \
 	${BOOTAPPEND_LIVE:+--bootappend-live "$BOOTAPPEND_LIVE"} \
 	$OPTS \
 	"$@"