And, of course, as soon as I send these, I notice the bad signoff on
about half of them, including this one :(  Those probably got screwed up
when I ended up losing my entire repo once when a test went wrong.

Anyway, I went ahead and fixed them in my local version, so next rev
they'll be fine.

On Wed, 2015-09-02 at 21:54 -0400, David Turner wrote:
> This function might be used by other refs backends
> 
> Signed-off-by: David Turner <dtur...@twitter.com>
> ---
>  refs.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/refs.h b/refs.h
> index 5542587..359e166 100644
> --- a/refs.h
> +++ b/refs.h
> @@ -259,6 +259,17 @@ int verify_refname_available(const char *newname, struct 
> string_list *extra,
>                            struct string_list *skip, struct strbuf *err);
>  
>  /*
> + * Check if a refname is safe.
> + * For refs that start with "refs/" we consider it safe as long they do
> + * not try to resolve to outside of refs/.
> + *
> + * For all other refs we only consider them safe iff they only contain
> + * upper case characters and '_' (like "HEAD" AND "MERGE_HEAD", and not like
> + * "config").
> + */
> +int refname_is_safe(const char *refname);
> +
> +/*
>   * Flags controlling ref_transaction_update(), ref_transaction_create(), etc.
>   * REF_NODEREF: act on the ref directly, instead of dereferencing
>   *              symbolic references.


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