RFE: download patch between arbitrary revisions

[Lukas Fleischer]

On Thu, Jun 13, 2013 at 11:21:26PM +0100, John Keeping wrote:
> On Thu, Jun 13, 2013 at 11:58:10PM +0200, Lukas Fleischer wrote:
> > On Mon, Jun 03, 2013 at 07:49:53PM +0100, John Keeping wrote:
> > > On Sun, Jun 02, 2013 at 09:19:11PM -0400, Konstantin Ryabitsev wrote:
> > > > There is currently a way to render a diff between two arbitrary objects,
> > > > e.g.:
> > > > 
> > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/diff/?id=v3.10-rc4&id2=v3.10-rc3
> > > > 
> > > > However, there doesn't appear to be a way to download a patch in the
> > > > same way -- it will only make patch against id's parent. E.g.:
> > > > 
> > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/?id=v3.10-rc4&id2=v3.10-rc3
> > > > 
> > > > Any way we can make the behaviour of patch match that of diff?
> > > 
> [...]
> 
> So:
> 
>     /patch/?id=v1.8.3.1&id2=v1.8.3
> 
> generates something like "git format-patch v1.8.3..v1.8.3.1".  And
> 
>     /rawdiff/?id=v1.8.3.1&id2=v1.8.3
> 
> generates the diff with no HTML around it.
> 
> The latter could be a query parameter instead ("raw=1"?).  Having not
> investigated the impact on the code, I have no preference for one over
> the other.

Sounds good to me either way. Jason?

Also, I just wondered whether this could be used to DoS servers when
requesting a series of patches for a huge range of revisions... Maybe
there should be some kind of limit?