iframe-proxy | Sunbelt Computer Software

49 lines (40 loc) · 1.1 KB

package client
	"golang.org/x/net/context"
	Cli "github.com/docker/docker/cli"
	"github.com/docker/docker/pkg/archive"
	flag "github.com/docker/docker/pkg/mflag"
// CmdDiff shows changes on a container's filesystem.
// Each changed file is printed on a separate line, prefixed with a single
// character that indicates the status of the file: C (modified), A (added),
// or D (deleted).
// Usage: docker diff CONTAINER
func (cli *DockerCli) CmdDiff(args ...string) error {
	cmd := Cli.Subcmd("diff", []string{"CONTAINER"}, Cli.DockerCommands["diff"].Description, true)
	cmd.Require(flag.Exact, 1)
	cmd.ParseFlags(args, true)
	if cmd.Arg(0) == "" {
		return fmt.Errorf("Container name cannot be empty")
	changes, err := cli.client.ContainerDiff(context.Background(), cmd.Arg(0))
	if err != nil {
		return err
	for _, change := range changes {
		var kind string
		switch change.Kind {
		case archive.ChangeModify:
			kind = "C"
		case archive.ChangeAdd:
			kind = "A"
		case archive.ChangeDelete:
			kind = "D"
		fmt.Fprintf(cli.out, "%s %s\n", kind, change.Path)
	return nil

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