builder: Update TODO file with some more ideas.

TODO

@@ -560,12 +560,20 @@ virt-builder
 
  - set permissions on uploaded files & created directories
 
- - how can we give users a shell?
+ - how can we give users a shell for debugging purposes?
 
- - parallel xzcat would make it much faster
+ - get parallel xzcat working properly
 
- - should be able to specify multiple sources, and that would let
-   distros create their own virt-builder sources
+ - allow non-xz-compressed templates (faster)
+
+ - let notes etc be localized, ie. notes[en]=...
+
+ - add a CLI option to print the in-built path/fingerprint(s)
+
+ - allow public keys to come from local file paths
+
+ - doing virt-builder then running (eg. via qemu, libvirt?) is common; is
+   it possible to make this more automatic?
 
  - more common code between virt-sysprep & virt-builder:
 
@@ -581,6 +589,12 @@ virt-builder
  - /etc/resolv.conf handling works but is best described as a hack:
    https://github.com/libguestfs/libguestfs/commit/9521422ce60578f7196cc8b7977d998159238c19
 
+ - let's make UML work
+   + SLIRP is insecure, but we could allow just a bare web proxy which
+     gets proxied over virtio-serial to the outside world (except
+     virtio-serial can't be multiplexed)
+
+ - sometimes (not always) aug_init takes ages, why?
 
 Midnight Commander (mc) extension
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