[cmake-developers] Review Request: Topic ExternalProject_GitUpdate

[Ben Boeckel]

On Mon, Nov 18, 2013 at 12:19:55 +0100, Daniele E. Domenichelli wrote:
> If there are local changes, "git stash" is used to save the
> changes and restore them after the pull. If any of these operation
> fails, it tries to restore the original status and exits with a fatal
> error, asking the user to resolve the conflicts manually.

I like the `--all` usage, but I see that `--index` is passed to `stash
pop`, but `--keep-index` isn't passed to `stash save`. Is this intended?

--Ben