[Libguestfs] [PATCH 1/2] v2v:windows: factor out getting CurrentControlSet

It will be used in new code in a followup patch. Signed-off-by: Roman Kagan <rkagan(a)virtuozzo.com&gt; --- v2v/convert_windows.ml | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/v2v/convert_windows.ml b/v2v/convert_windows.ml index 55bb3ef..751a6ab 100644 --- a/v2v/convert_windows.ml +++ b/v2v/convert_windows.ml @@ -210,6 +210,13 @@ let convert ~keep_serial_console (g : G.guestfs) inspect source rcaps = (*----------------------------------------------------------------------*) (* Perform the conversion of the Windows guest. *) + (* Find the 'Current' ControlSet. *) + let get_current_cs root = + let select = g#hivex_node_get_child root "Select" in + let valueh = g#hivex_node_get_value select "Current" in + let value = int_of_le32 (g#hivex_value_value valueh) in + sprintf "ControlSet%03Ld" value in + let rec configure_firstboot () = (match installer with | None -> () @@ -302,14 +309,8 @@ if errorlevel 3010 exit /b 0 (* Update the SYSTEM hive. When this function is called the hive has * already been opened as a hivex handle inside guestfs. *) - (* Find the 'Current' ControlSet. *) - let current_cs = - let select = g#hivex_node_get_child root "Select" in - let valueh = g#hivex_node_get_value select "Current" in - let value = int_of_le32 (g#hivex_value_value valueh) in - sprintf "ControlSet%03Ld" value in - - debug "current ControlSet is %s" current_cs; + let current_cs = get_current_cs root in + if verbose () then printf "current ControlSet is %s\n%!" current_cs; disable_services root current_cs; disable_prl_drivers root current_cs; -- 2.7.4