+# fix tar https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819978
+deb http://ftp.debian.org/debian jessie-backports main
+EOF
+
+ # note, fai doesn't look at /etc/fai/apt/preferences.d
+ cat >/etc/fai/apt/preferences <<'EOF'
+Package: tar
+Pin: release a=jessie-backports
+Pin-Priority: 500