svn revision in uname

Matthew Seaman matthew at FreeBSD.org
Sun Feb 7 12:54:43 UTC 2016


On 07/02/2016 12:11, Ian Smith wrote:
> I've been using svnup for source updates for ages, and for my occasional 
> use it works fine.  However one thing you don't get is the svn revision 
> shown in uname, eg % uname -vm
>  FreeBSD 9.3-STABLE #0: Thu Oct 29 03:18:26 EST 2015 
>  root at x200.smithi.id.au:/usr/obj/usr/src/sys/GENERIC amd64
> 
> I know where to find it:
> smithi at x200:~ % ll -rt /var/tmp/svnup/
> total 30400
> -rw-r--r--  1 root  wheel  3736967 Apr 22  2014 stable.apr
> -rw-r--r--  1 root  wheel  3738448 Jun 25  2014 stable.jun
> -rw-r--r--  1 root  wheel  3738347 Jul  6  2014 release
> -rw-r--r--  1 root  wheel  7926790 Jan 23  2015 ports.first
> -rw-r--r--  1 root  wheel  7927003 Jan 23  2015 ports
> -rw-r--r--  1 root  wheel  3750256 Oct 10 16:43 stable
> 
> smithi at x200:~ % head -1 /var/tmp/svnup/stable
> 289106
> 
> but I don't know where to poke it so build|install world|kernel find it?
> 
> One of the reasons I prefer svnup on this very (64GB) space-constrained 
> laptop is that it doesn't need svn's extra copy of the repository, but 
> I'm happy to add a /usr/src/.svn dir with whatever is needed for this.
> 
> Hoping the answer is not "the build needs svn installed to get that" :)
> 

The place where this is all set up is /usr/src/sys/conf/newvers.sh  The
logic there is fairly complicated as it supports svn, git, hg and p4
VCSes.  However, the usual way it works is by running svnversion --
that's part of the svn port.

% svnversion /usr/src
295073M

If that fails, it will try running svnliteversion, and then cycle
through various different ways of extracting a version string from other
VCSes until it gets a result.

So, if you don't need SVN installed locally, you could create a small
shell script as /usr/local/bin/svnversion that runs 'head -1
/var/tmp/svnup/stable'

	Cheers,

	Matthew


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