progress

package
v23.0.2+incompatible Latest Latest
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Published: Mar 23, 2023 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Aux

func Aux(out Output, a interface{})

Aux sends auxiliary information over a progress interface, which will not be formatted for the UI. This is used for things such as push signing.

func Message

func Message(out Output, id, message string)

Message is a convenience function to write a progress message to the channel.

func Messagef

func Messagef(out Output, id, format string, a ...interface{})

Messagef is a convenience function to write a printf-formatted progress message to the channel.

func Update

func Update(out Output, id, action string)

Update is a convenience function to write a progress update to the channel.

func Updatef

func Updatef(out Output, id, format string, a ...interface{})

Updatef is a convenience function to write a printf-formatted progress update to the channel.

Types

type Output

type Output interface {
	WriteProgress(Progress) error
}

Output is an interface for writing progress information. It's like a writer for progress, but we don't call it Writer because that would be confusing next to ProgressReader (also, because it doesn't implement the io.Writer interface).

func ChanOutput

func ChanOutput(progressChan chan<- Progress) Output

ChanOutput returns an Output that writes progress updates to the supplied channel.

func DiscardOutput added in v1.13.0

func DiscardOutput() Output

DiscardOutput returns an Output that discards progress

type Progress

type Progress struct {
	ID string

	// Progress contains a Message or...
	Message string

	// ...progress of an action
	Action  string
	Current int64
	Total   int64

	// If true, don't show xB/yB
	HideCounts bool
	// If not empty, use units instead of bytes for counts
	Units string

	// Aux contains extra information not presented to the user, such as
	// digests for push signing.
	Aux interface{}

	LastUpdate bool
}

Progress represents the progress of a transfer.

type Reader

type Reader struct {
	// contains filtered or unexported fields
}

Reader is a Reader with progress bar.

func NewProgressReader

func NewProgressReader(in io.ReadCloser, out Output, size int64, id, action string) *Reader

NewProgressReader creates a new ProgressReader.

func (*Reader) Close

func (p *Reader) Close() error

Close closes the progress reader and its underlying reader.

func (*Reader) Read

func (p *Reader) Read(buf []byte) (n int, err error)

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