Function WriteHead

cli/poolflags/state.go:31–38

(pool, branch string)

}

func WriteHead(pool, branch string) error {
	head := fmt.Sprintf("%s@%s\n", pool, branch)
	err := os.WriteFile(headPath(), []byte(head), 0644)
	if err != nil {
		err = fmt.Errorf("%q: failed to write HEAD: %w", headFile, err)
	}
	return err
}