[OpenBIOS] [PATCH v3] Add revision number to banner

[Programmingkid]

On Dec 3, 2015, at 5:11 PM, Mark Cave-Ayland wrote:

> On 02/12/15 20:20, Programmingkid wrote:
> 
>> The banner is displayed at the start of openbios with the version and build
>> time. This patch adds the revision number for easier identification of binary
>> version. It would look like this: 
>> 
>> Welcome to OpenBIOS v1.1 (Revision 1358) built on Nov 28 2015 18:22
>> 
>> If the user doesn't have the svn command, git command,
>> or an svn repo, the word "unknown" is used instead of
>> the number. 
>> 
>> Signed-off-by: John Arbuckle <programmingkidx at gmail.com>
>> 
>> New in revision 3:
>> Added support for a variable length repo number.
>> 
>> New in revision 2:
>> Added support for git if the repo is being managed by it. 
> 
> Hmmmm I'm still not 100% convinced this patch is the right way to go,
> particularly with git where we have different sets of commit ids
> depending upon whether you have a local git-svn checkout or a checkout
> from the (more popular) git.qemu.org.
> 
> I'm happy for people who think this would be useful to persuade me
> otherwise though.
> 

Dear Mark, we need a way to tell what version of
OpenBIOS we are using. Currently there is no way.
The current banner information doesn't tell us
enough information to know where it is in the
repository. Printing the revision number is
something I have seen other open source projects
use.