bootstrap/include/config.h

#ifndef _BOOTSTRAP_CONFIG_H
#define _BOOTSTRAP_CONFIG_H

struct Config {
  // The directory the `bootstrap` command was run from.
  // OWNERSHIP: Does not own this pointer.
  const char *cwd;
  // The root directory housing our specs.
  // OWNERSHIP: Does not own this pointer.
  const char *root_dir;
  // The name of the spec we want to bootstrap.
  // OWNERSHIP: Does not own this pointer.
  const char *target;
};

enum ConfigError {
  // The $CWD could not be retrieved.
  CE_ENV_CWD_INVALID = 1,
  // The $BOOTSTRAP_ROOT_DIR environment variable is empty.
  CE_ENV_ROOT_DIR_INVALID,
  // The target argument is invalid.
  CE_TARGET_INVALID,
  // No spec with the given name was found.
  CE_TARGET_NOT_FOUND,
  // The spec is not a directory.
  CE_TARGET_NOT_DIR,
};

enum ConfigError config_load(
  const char *cwd,
  const char *root_dir,
  const char *target,
  struct Config **config
);

void config_free(struct Config *config);

#endif /* BOOTSTRAP_CONFIG_H */