Re: [PATCH 20/20] config: hide functions using `the_repository` by default

> set configuration for `the_repository`. The use of those functions is
> discouraged, and it is easy to miss the implicit dependency on
> `the_repository` that calls to those functions may cause.
> 
> Move all config-related functions that use `the_repository` into a block
> that gets only conditionally compiled depending on whether or not the
> macro has been defined. This also removes all dependencies on that
> variable in "config.c", allowing us to remove the definition of said
> preprocessor macro.

> +# ifdef USE_THE_REPOSITORY_VARIABLE
> +static inline void git_config(config_fn_t fn, void *data)
> +{
> +	repo_config(the_repository, fn, data);
> +}
> +
> +static inline void git_config_clear(void)
> +{
> +	repo_config_clear(the_repository);
> +}
> +
> +static inline int git_config_get(const char *key)
> +{
> +	return repo_config_get(the_repository, key);
> +}
> +
> +static inline int git_config_get_value(const char *key, const char **value)
> +{
> +	return repo_config_get_value(the_repository, key, value);
> +}
> +
> +static inline int git_config_get_value_multi(const char *key, const struct string_list **dest)
> +{
> +	return repo_config_get_value_multi(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_string_multi(const char *key,
> +				const struct string_list **dest)
> +{
> +	return repo_config_get_string_multi(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_string(const char *key, char **dest)
> +{
> +	return repo_config_get_string(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_string_tmp(const char *key, const char **dest)
> +{
> +	return repo_config_get_string_tmp(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_int(const char *key, int *dest)
> +{
> +	return repo_config_get_int(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_ulong(const char *key, unsigned long *dest)
> +{
> +	return repo_config_get_ulong(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_bool(const char *key, int *dest)
> +{
> +	return repo_config_get_bool(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
> +{
> +	return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
> +}
> +
> +static inline int git_config_get_maybe_bool(const char *key, int *dest)
> +{
> +	return repo_config_get_maybe_bool(the_repository, key, dest);
> +}
> +
> +static inline int git_config_get_pathname(const char *key, char **dest)
> +{
> +	return repo_config_get_pathname(the_repository, key, dest);
> +}
> +
> +static inline void git_config_set_in_file(const char *config_filename,
> +					  const char *key, const char *value)
> +{
> +	repo_config_set_in_file(the_repository, config_filename, key, value);
> +}
> +
> +static inline int git_config_set_gently(const char *key, const char *value)
> +{
> +	return repo_config_set_gently(the_repository, key, value);
> +}
> +
> +static inline void git_config_set(const char *key, const char *value)
> +{
> +	repo_config_set(the_repository, key, value);
> +}
> +
> +static inline int git_config_set_in_file_gently(
> +	const char *config_filename,
> +	const char *key,
> +	const char *comment,
> +	const char *value)
> +{
> +	return repo_config_set_in_file_gently(the_repository, config_filename,
> +					      key, comment, value);
> +}
> +
> +static inline int git_config_set_multivar_in_file_gently(
> +	const char *config_filename,
> +	const char *key, const char *value,
> +	const char *value_pattern,
> +	const char *comment,
> +	unsigned flags)
> +{
> +	return repo_config_set_multivar_in_file_gently(the_repository, config_filename,
> +						       key, value, value_pattern,
> +						       comment, flags);
> +}
> +
> +static inline void git_config_set_multivar_in_file(
> +	const char *config_filename,
> +	const char *key,
> +	const char *value,
> +	const char *value_pattern,
> +	unsigned flags)
> +{
> +	repo_config_set_multivar_in_file(the_repository, config_filename,
> +					 key, value, value_pattern, flags);
> +}
> +
> +static inline int git_config_set_multivar_gently(const char *key, const char *value,
> +				   const char *value_pattern, unsigned flags)
> +{
> +	return repo_config_set_multivar_gently(the_repository, key, value,
> +					       value_pattern, flags);
> +}
> +
> +static inline void git_config_set_multivar(const char *key, const char *value,
> +			     const char *value_pattern, unsigned flags)
> +{
> +	repo_config_set_multivar(the_repository, key, value,
> +				 value_pattern, flags);
> +}
> +# endif /* USE_THE_REPOSITORY_VARIABLE */