mirror of https://github.com/docker/cli.git
38 lines
891 B
Go
38 lines
891 B
Go
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package client
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import (
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"io"
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"os/exec"
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)
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// Program is an interface to execute external programs.
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type Program interface {
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Output() ([]byte, error)
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Input(in io.Reader)
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}
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// ProgramFunc is a type of function that initializes programs based on arguments.
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type ProgramFunc func(args ...string) Program
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// NewShellProgramFunc creates programs that are executed in a Shell.
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func NewShellProgramFunc(name string) ProgramFunc {
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return func(args ...string) Program {
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return &Shell{cmd: exec.Command(name, args...)}
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}
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}
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// Shell invokes shell commands to talk with a remote credentials helper.
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type Shell struct {
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cmd *exec.Cmd
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}
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// Output returns responses from the remote credentials helper.
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func (s *Shell) Output() ([]byte, error) {
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return s.cmd.Output()
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}
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// Input sets the input to send to a remote credentials helper.
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func (s *Shell) Input(in io.Reader) {
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s.cmd.Stdin = in
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}
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