add a cache-dir for bootstrap

diff --git a/bootstrap.sh b/bootstrap.sh
index 387f661dc41c26dceabf9bdb701507c0467de644..f79fc22c2439d91f9395c1748a00a72f85c36761 100644 (file)
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -74,7 +74,8 @@ build_rootfs()
 (
         handle_crosscompile
         sudo rm -rf testing
-        sudo eatmydata ${DEBOOTSTRAP} --arch=arm64 --include initramfs-tools,wpasupplicant,tcpdump,vim,tmux,vlan,ntpdate,bridge-utils,parted,curl,wget,grub-efi-arm64,mtr-tiny,dbus,ca-certificates,sudo,openssh-client testing testing http://ftp.fau.de/debian
+        mkdir -p cache
+        sudo eatmydata ${DEBOOTSTRAP} --cache-dir=`pwd`/cache --arch=arm64 --include initramfs-tools,wpasupplicant,tcpdump,vim,tmux,vlan,ntpdate,bridge-utils,parted,curl,wget,grub-efi-arm64,mtr-tiny,dbus,ca-certificates,sudo,openssh-client testing testing http://ftp.fau.de/debian
 
         export KERNEL=`ls -1rt linux-image*.deb | grep -v dbg | tail -1`