__cdist_preos enhancements

Signed-off-by: Nico Schottelius <nico@wurzel.schottelius.org>

cdist/conf/type/__cdist_preos/manifest

@@ -24,15 +24,16 @@ destination="/$__object_id"
 os=$(cat "$__global/explorer/os")
 
 case "$os" in
-   archlinux)
-      # any linux should work
-      :
-   ;;
-   *)
-      echo "Your operating system ($os) is currently not supported by this type (${__type##*/})." >&2
-      echo "Please contribute an implementation for it if you can." >&2
-      exit 1
-   ;;
+    archlinux)
+        kernel=/boot/vmlinuz-linux
+        initramfs=/boot/initramfs-linux-fallback.img
+        required_pkg="cdrkit syslinux"
+    ;;
+    *)
+        echo "Your operating system ($os) is currently not supported by this type (${__type##*/})." >&2
+        echo "Please contribute an implementation for it if you can." >&2
+        exit 1
+    ;;
 esac
 
 # Our root
@@ -44,6 +45,35 @@ for rootdir in boot bin etc lib; do
         --mode 0755
 done
 
-
 require="__directory/$destination/etc" __cdistmarker \
     --destination "$destination/etc/cdist-configured"
+
+for pkg in $required_pkg; do
+    __package "$pkg" --state present
+done
+
+# Create full dependency chain, because we don't know which file depends on which package
+export CDIST_ORDER_DEPENDENCY=1
+
+require="__directory/$destination/boot" __file "$destination/boot/linux" \
+    --source "$kernel" --mode 0644
+
+require="__directory/$destination/boot" __file "$destination/boot/initramfs" \
+    --source "$initramfs" --mode 0644
+
+require="__directory/$destination/boot" __file "$destination/boot/syslinux.cfg" \
+
+
+ PROMPT 1
+ TIMEOUT 50
+ DEFAULT arch
+ 
+ LABEL arch
+         LINUX ../vmlinuz-linux
+         APPEND root=/dev/sda2 rw
+         INITRD ../initramfs-linux.img
+ 
+ LABEL archfallback
+         LINUX ../vmlinuz-linux
+         APPEND root=/dev/sda2 rw
+         INITRD ../initramfs-linux-fallback.img