[Libguestfs] [PATCH] v2v: allow configurable location for virtio drivers

[Roman Kagan]

On Fri, Feb 27, 2015 at 03:09:31PM +0000, Richard W.M. Jones wrote:
> On Fri, Feb 27, 2015 at 05:28:58PM +0300, Roman Kagan wrote:
> > Make the location of the Windows virtio drivers overridable with the
> > environment variable VIRTIO_WIN_DIR, in the same vein as is done for
> > virt-tools.
> > 
> > Signed-off-by: Roman Kagan <rkagan at parallels.com>
> > ---
> >  v2v/convert_windows.ml | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/v2v/convert_windows.ml b/v2v/convert_windows.ml
> > index 0cd818a..e966341 100644
> > --- a/v2v/convert_windows.ml
> > +++ b/v2v/convert_windows.ml
> > @@ -47,7 +47,9 @@ let convert ~verbose ~keep_serial_console (g : G.guestfs) inspect source =
> >      try Sys.getenv "VIRT_TOOLS_DATA_DIR"
> >      with Not_found -> Config.datadir // "virt-tools" in
> >  
> > -  let virtio_win_dir = "/usr/share/virtio-win" in
> > +  let virtio_win_dir =
> > +    try Sys.getenv "VIRTIO_WIN_DIR"
> > +    with Not_found -> Config.datadir // "virtio-win" in
> 
> This slightly changes the semantics, especially for people who don't
> use `./configure --prefix /usr'.  But I guess that's OK.

I guess so too.

> The main problem with the patch is that it doesn't update the
> documentation (v2v/virt-v2v.pod).

Indeed.  I'll add a note to the docs and resubmit.

Thanks,
Roman.