hscript: Implement 'Image' script option

This option is for generating images using Horizon.  It skips most
disk-related operations, except for preparing /etc/fstab.
It also skips setting the running system's hostname.

1 files changed, 2 insertions, 0 deletions

diff --git a/hscript/script.hh b/hscript/script.hh
index 31e486d..5cb6db2 100644
--- a/hscript/script.hh
+++ b/hscript/script.hh
@@ -41,6 +41,8 @@ enum ScriptOptionFlags {
     Pretty,
     /*! Just print commands that would be run, for testing/debug */
     Simulate,
+    /*! Installing to an image; don't mount anything */
+    Image,
     /*! Count of flags */
     NumFlags
 };