Function write_update_refs_state

sequencer.c:4414–4461

}

static int write_update_refs_state(struct string_list *refs_to_oids)
{
	int result = 0;
	struct lock_file lock = LOCK_INIT;
	FILE *fp = NULL;
	struct string_list_item *item;
	char *path;

	path = rebase_path_update_refs(the_repository->gitdir);

	if (!refs_to_oids->nr) {
		if (unlink(path) && errno != ENOENT)
			result = error_errno(_("could not unlink: %s"), path);
		goto cleanup;
	}

	if (safe_create_leading_directories(the_repository, path)) {
		result = error(_("unable to create leading directories of %s"),
			       path);
		goto cleanup;
	}

	if (hold_lock_file_for_update(&lock, path, 0) < 0) {
		result = error(_("another 'rebase' process appears to be running; "
				 "'%s.lock' already exists"),
			       path);
		goto cleanup;
	}

	fp = fdopen_lock_file(&lock, "w");
	if (!fp) {
		result = error_errno(_("could not open '%s' for writing"), path);
		rollback_lock_file(&lock);
		goto cleanup;
	}

	for_each_string_list_item(item, refs_to_oids) {
		struct update_ref_record *rec = item->util;
		fprintf(fp, "%s\n%s\n%s\n", item->string,
			oid_to_hex(&rec->before), oid_to_hex(&rec->after));
	}

	result = commit_lock_file(&lock);

cleanup:
	free(path);
	return result;
}

/*
 * Parse the update-refs file for the current rebase, then remove the