"
fi
+#!!! buster backports is needed for a lot of things
+cat << EOF > /opt/chroot/$chrootdir/etc/apt/sources.list.d/buster_backports.list
+deb http://deb.debian.org/debian buster-backports main
+EOF
+
+# oooo annoying, pin preferences for buster-backports
+cat << EOF > /opt/chroot/$chrootdir/etc/apt/preferences.d/99buster-backports
+Package: *
+Pin: release a=buster-backports
+Pin-Priority: 900
+
+Package: libcurl3-gnutls:amd64
+Pin: release a=stable
+Pin-Priority: 901
+EOF
+
# Install apt dependencies in the chroot
cd /tmp
schroot -c $chrootdir /bin/bash --directory=/tmp << EOF