Re: [PATCH v0] sha1_name: grok <revision>:./<relative-path>

> diff --git a/cache.h b/cache.h
> index 39331c2..83a2c31 100644
> --- a/cache.h
> +++ b/cache.h
> @@ -225,6 +225,7 @@ extern char *get_index_file(void);
>  extern char *get_graft_file(void);
>  extern int set_git_dir(const char *path);
>  extern const char *get_git_work_tree(void);
> +extern const char *get_current_prefix(void);
>  
>  #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
>  
> diff --git a/setup.c b/setup.c
> index b59dbe7..fb9b680 100644
> --- a/setup.c
> +++ b/setup.c
> @@ -3,6 +3,12 @@
>  
>  static int inside_git_dir = -1;
>  static int inside_work_tree = -1;
> +static const char *current_prefix;
> +
> +const char *get_current_prefix()
> +{
> +	return current_prefix;
> +}