fix: missing files and permissions

install.inc

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+. maas-images.inc
+. syslinux-menu.inc
+
+function download_version()
+{
+    local release_version="$1"
+    local drive="$2"
+    local target
+
+    find_unused "$drive"
+    target="$unused"
+    if [ -z "$unused" ]; then
+        find_oldest "$drive"
+        target="$unused"
+    fi
+    if [ -z "$target" ]; then
+        exit 1
+    fi
+
+    downloads="$(mktemp -d)"
+    pushd "$downloads"
+
+    download_and_verify "$release_version" boot-initrd
+    download_and_verify "$release_version" boot-kernel
+    download_and_verify "$release_version" squashfs
+
+    mount_efi "$drive"
+    mv boot-init "$mnt"/boot-initrd."$release_version"
+    mv boot-kernel "$mnt"/boot-kernel."$release_version"
+    umount_efi
+
+    dev_from_partnum "$drive" "$target"
+    dd if=squashfs of="$partition" bs=1M
+    rename_partition "$drive" "$target" root_"$release_version"
+    rm -f squashfs
+    popd
+    rmdir "$downloads"
+    update_syslinux_menu "$drive"
+}
+
+# vim: set ft=sh:

update.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+. install.inc
+
+drive="$1"
+
+if [ ! -b "$drive" ]; then
+    echo "Usage update.sh /dev/wherever"
+    exit 1
+fi
+
+get_streams
+get_latest_maas_id
+download_version "$release_version" "$drive"
+update_syslinux_menu "$drive"