stage0: Use Debian as base arm64 repo

stage0/00-configure-apt/00-run.sh

@@ -1,9 +1,9 @@
 #!/bin/bash -e
 
 true > "${ROOTFS_DIR}/etc/apt/sources.list"
-install -m 644 files/raspbian.sources "${ROOTFS_DIR}/etc/apt/sources.list.d/"
+install -m 644 files/debian.sources "${ROOTFS_DIR}/etc/apt/sources.list.d/"
 install -m 644 files/raspi.sources "${ROOTFS_DIR}/etc/apt/sources.list.d/"
-sed -i "s/RELEASE/${RELEASE}/g" "${ROOTFS_DIR}/etc/apt/sources.list.d/raspbian.sources"
+sed -i "s/RELEASE/${RELEASE}/g" "${ROOTFS_DIR}/etc/apt/sources.list.d/debian.sources"
 sed -i "s/RELEASE/${RELEASE}/g" "${ROOTFS_DIR}/etc/apt/sources.list.d/raspi.sources"
 
 if [ -n "$APT_PROXY" ]; then

stage0/00-configure-apt/files/debian.sources

@@ -0,0 +1,11 @@
+Types: deb
+URIs: http://deb.debian.org/debian/
+Suites: RELEASE RELEASE-updates
+Components: main contrib non-free non-free-firmware
+Signed-By: /usr/share/keyrings/debian-archive-keyring.pgp
+
+Types: deb
+URIs: http://deb.debian.org/debian-security/
+Suites: RELEASE-security
+Components: main contrib non-free non-free-firmware
+Signed-By: /usr/share/keyrings/debian-archive-keyring.pgp

stage0/00-configure-apt/files/raspbian.sources

@@ -1,6 +0,0 @@
-Types: deb
-URIs: http://raspbian.raspberrypi.com/raspbian/
-Arch: armhf
-Suites: RELEASE
-Components: main contrib non-free rpi
-Signed-By: /usr/share/keyrings/raspbian-archive-keyring.gpg