From d9f03b387a02541f9d60384b6447a141765d342f Mon Sep 17 00:00:00 2001
From: donoban <donoban@riseup.net>
Date: Fri, 24 Dec 2021 13:53:30 +0100
Subject: [PATCH] rootbld: add '--cache-dir' when preparing the $BUILD_ROOT

Otherwise apk will rely on defaults 'etc/apk/cache' and 'var/apk/cache'
based on new chroot directory and will delete everything when rootbld finishes.
---
 abuild.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/abuild.in b/abuild.in
index f2e6db7..1500485 100755
--- a/abuild.in
+++ b/abuild.in
@@ -2441,6 +2441,7 @@ rootbld() {
 	$SUDO_APK add --initdb --update \
 		--arch $CBUILD_ARCH \
 		--root "$BUILD_ROOT" \
+		--cache-dir /etc/apk/cache \
 		abuild alpine-base build-base git $hostdeps $builddeps \
 		${USE_CCACHE:+ccache}