From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH OSSTEST] Switch to merged qemu-xen{,
 -traditional}.git trees
Date: Wed, 21 Oct 2015 11:50:46 +0100
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To: Ian Jackson <Ian.Jackson@eu.citrix.com>
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On Wed, 2015-10-21 at 11:35 +0100, Ian Jackson wrote:
> Ian Campbell writes ("Re: [Xen-devel] [PATCH OSSTEST] Switch to merged
> qemu-xen{, -traditional}.git trees"):
> > On Tue, 2015-10-20 at 11:34 +0100, Ian Campbell wrote:
> > >  * See if there is a way to prevent pushes to the old trees (e.g. a
> > >    setting in their .git/config file).
> > 
> > It appears that it is trivial to block force pushes or pushes to the
> > current branch (which I think might be meaningless for a bare repo) but
> > that blocking all pushes involves using .git/hooks. I think this is
> > probably too much faff, or at least not worth putting on the critical
> > path.
> 
> These hooks aren't too hard to write.  See
>   xenbits:~xen/git/xen.git/hooks/pre-receive
> for an example.

In this case it looks then like:
    #!/bin/sh
    set -e
    echo >&2 "Pushes are not allowed to this tree"
    exit 1

is all that is needed.

Ian.