Function init_copy_notes_for_rewrite

notes-utils.c:137–176

struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd)
{
	struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg));
	const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT);
	const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT);
	c->cmd = cmd;
	c->enabled = 1;
	c->combine = combine_notes_concatenate;
	CALLOC_ARRAY(c->refs, 1);
	c->refs->strdup_strings = 1;
	c->refs_from_env = 0;
	c->mode_from_env = 0;
	if (rewrite_mode_env) {
		c->mode_from_env = 1;
		c->combine = parse_combine_notes_fn(rewrite_mode_env);
		if (!c->combine)
			/*
			 * TRANSLATORS: The first %s is the name of
			 * the environment variable, the second %s is
			 * its value.
			 */
			error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT,
					rewrite_mode_env);
	}
	if (rewrite_refs_env) {
		c->refs_from_env = 1;
		string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env);
	}
	repo_config(the_repository, notes_rewrite_config, c);
	if (!c->enabled || !c->refs->nr) {
		string_list_clear(c->refs, 0);
		free(c->refs);
		free(c);
		return NULL;
	}
	c->trees = load_notes_trees(c->refs, NOTES_INIT_WRITABLE);
	string_list_clear(c->refs, 0);
	free(c->refs);
	return c;
}

int copy_note_for_rewrite(struct notes_rewrite_cfg *c,
			  const struct object_id *from_obj, const struct object_id *to_obj)