Re: [PATCH v1 2/3] read-cache: factor out get_sha1_from_index() helper

> Factor out the retrieval of the sha1 for a given path in
> read_blob_data_from_index() into the function get_sha1_from_index().
>
> This will be used in the next commit, when convert.c can do the
> analyze for "text=auto" without slurping the whole blob into memory
> at once.
>
> Add a wrapper definition get_sha1_from_cache().
>
> Signed-off-by: Torsten Bögershausen <tboegi@web.de>
> ---
> diff --git a/cache.h b/cache.h
> @@ -379,6 +379,7 @@ extern void free_name_hash(struct index_state *istate);
>  #define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz))
> +#define get_sha1_from_cache(path)  get_sha1_from_index (&the_index, (path))