svn revision in uname
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
> 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
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
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