Re: [PATCH v4 02/21] refs: add methods for misc ref operations

> From: Ronnie Sahlberg <sahlberg@google.com>
> 
> Add ref backend methods for:
> resolve_ref_unsafe, verify_refname_available, pack_refs, peel_ref,
> create_symref, resolve_gitlink_ref.
> 
> Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
> Signed-off-by: David Turner <dturner@twopensource.com>
> ---
>  builtin/init-db.c    |  1 +
>  refs.c               | 36 ++++++++++++++++++++++++++++++++++++
>  refs/files-backend.c | 33 +++++++++++++++++++++++----------
>  refs/refs-internal.h | 23 +++++++++++++++++++++++
>  4 files changed, 83 insertions(+), 10 deletions(-)
> 
> diff --git a/builtin/init-db.c b/builtin/init-db.c
> index 07229d6..26e1cc3 100644
> --- a/builtin/init-db.c
> +++ b/builtin/init-db.c
> @@ -8,6 +8,7 @@
>  #include "builtin.h"
>  #include "exec_cmd.h"
>  #include "parse-options.h"
> +#include "refs.h"