New tool: virt-builder: For quickly building virtual machine images.

On baremetal you can build and customize a new guest in under 2
minutes.  For example:

$ virt-builder fedora-19 \
    --root-password password:test \
    --install minicom \
    --firstboot-command 'yum -y update' \
    --firstboot-command 'useradd -m -p "" rjones ; chage -d 0 rjones'
[     0.0] Downloading: file:///home/rjones/d/libguestfs/builder/website/fedora-19.xz
[     1.0] Uncompressing: file:///home/rjones/d/libguestfs/builder/website/fedora-19.xz
[    24.0] Running virt-resize to expand the disk to 4.2G
[    77.0] Opening the new disk
[    81.0] Installing packages: minicom
[    94.0] Installing firstboot command: [001] yum -y update
[    94.0] Installing firstboot command: [002] useradd -m -p "" rjones ; chage -d 0 rjones
[    94.0] Finishing off

bash/Makefile.am

@@ -21,6 +21,7 @@ scripts = \
 	guestfish \
 	guestmount \
 	virt-alignment-scan \
+	virt-builder \
 	virt-cat \
 	virt-df \
 	virt-edit \
@@ -55,6 +56,8 @@ virt-ls:
 virt-sysprep:
 	ln -sf virt-alignment-scan $@
 
+virt-builder:
+	ln -sf virt-resize $@
 virt-sparsify:
 	ln -sf virt-resize $@
 

bash/virt-resize

@@ -1,4 +1,5 @@
-# virt-resize, virt-sparsify bash completion script -*- shell-script -*-
+# virt-resize, virt-builder, virt-sparsify bash completion script
+# -*- shell-script -*-
 # Copyright (C) 2010-2013 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -33,6 +34,12 @@ _guestfs_options_only ()
     esac
 }
 
+_virt_builder ()
+{
+    _guestfs_options_only "$(virt-builder --long-options)"
+} &&
+complete -o default -F _virt_builder virt-builder
+
 _virt_resize ()
 {
     _guestfs_options_only "$(virt-resize --long-options)"