Re: [PATCH 02/19] Allow fetch to modify refs

> From: Daniel Barkalow <barkalow@iabervon.org>
> 
> This allows the transport to use the null sha1 for a ref reported to
> be present in the remote repository to indicate that a ref exists but
> its actual value is presently unknown and will be set if the objects
> are fetched.
> 
> Also adds documentation to the API to specify exactly what the methods
> should do and how they should interpret arguments.
> 
> Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
> Signed-off-by: Sverre Rabbelier <srabbelier@gmail.com>
> ---
> 
> 	Signed off by me because I rebased it on master and fixed the
> 	conflicts with nico's patch.
> 
>  builtin-clone.c    |    5 +++--
>  transport-helper.c |    4 ++--
>  transport.c        |   13 +++++++------
>  transport.h        |   41 +++++++++++++++++++++++++++++++++++++++--
>  4 files changed, 51 insertions(+), 12 deletions(-)
> 
> diff --git a/builtin-clone.c b/builtin-clone.c
> index 5762a6f..0042bee 100644
> --- a/builtin-clone.c
> +++ b/builtin-clone.c
> @@ -526,8 +526,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
>  
>  		refs = transport_get_remote_refs(transport);
>  		if (refs) {
> -			mapped_refs = wanted_peer_refs(refs, refspec);
> -			transport_fetch_refs(transport, mapped_refs);
> +			struct ref *ref_cpy = wanted_peer_refs(refs, refspec);
> +			mapped_refs = ref_cpy;
> +			transport_fetch_refs(transport, ref_cpy);