transport

package
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Published: Jul 17, 2017 License: MIT Imports: 9 Imported by: 0

Documentation

Overview

Package transport includes the implementation for different transport protocols.

`Client` can be used to fetch and send packfiles to a git server. The `client` package provides higher level functions to instantiate the appropriate `Client` based on the repository URL.

go-git supports HTTP and SSH (see `Protocols`), but you can also install your own protocols (see the `client` package).

Each protocol has its own implementation of `Client`, but you should generally not use them directly, use `client.NewClient` instead.

Index

Constants

View Source
const (
	UploadPackServiceName  = "git-upload-pack"
	ReceivePackServiceName = "git-receive-pack"
)

Variables

View Source
var (
	ErrRepositoryNotFound     = errors.New("repository not found")
	ErrEmptyRemoteRepository  = errors.New("remote repository is empty")
	ErrAuthenticationRequired = errors.New("authentication required")
	ErrAuthorizationFailed    = errors.New("authorization failed")
	ErrEmptyUploadPackRequest = errors.New("empty git-upload-pack given")
	ErrInvalidAuthMethod      = errors.New("invalid auth method")
	ErrAlreadyConnected       = errors.New("session already established")
)

UnsupportedCapabilities are the capabilities not supported by any client implementation

Functions

func FilterUnsupportedCapabilities

func FilterUnsupportedCapabilities(list *capability.List)

FilterUnsupportedCapabilities it filter out all the UnsupportedCapabilities from a capability.List, the intended usage is on the client implementation to filter the capabilities from an AdvRefs message.

Types

type AuthMethod

type AuthMethod interface {
	fmt.Stringer
	Name() string
}

type Endpoint

type Endpoint interface {
	// Protocol returns the protocol (e.g. git, https, file). It should never
	// return the empty string.
	Protocol() string
	// User returns the user or an empty string if none is given.
	User() string
	// Password returns the password or an empty string if none is given.
	Password() string
	// Host returns the host or an empty string if none is given.
	Host() string
	// Port returns the port or 0 if there is no port or a default should be
	// used.
	Port() int
	// Path returns the repository path.
	Path() string
	// String returns a string representation of the Git URL.
	String() string
}

Endpoint represents a Git URL in any supported protocol.

func NewEndpoint

func NewEndpoint(endpoint string) (Endpoint, error)

type ReceivePackSession

type ReceivePackSession interface {
	Session
	// ReceivePack sends an update references request and a packfile
	// reader and returns a ReportStatus and error. Don't be confused by
	// terminology, the client side of a git-receive-pack is called
	// git-send-pack, although here the same interface is used to make it
	// RPC-like.
	ReceivePack(*packp.ReferenceUpdateRequest) (*packp.ReportStatus, error)
}

ReceivePackSession represents a git-receive-pack session. A git-receive-pack session has two steps: reference discovery (AdvertisedReferences) and receiving pack (ReceivePack). In that order.

type Session

type Session interface {
	// AdvertisedReferences retrieves the advertised references for a
	// repository.
	// If the repository does not exist, returns ErrRepositoryNotFound.
	// If the repository exists, but is empty, returns ErrEmptyRemoteRepository.
	AdvertisedReferences() (*packp.AdvRefs, error)
	io.Closer
}

type Transport

type Transport interface {
	// NewUploadPackSession starts a git-upload-pack session for an endpoint.
	NewUploadPackSession(Endpoint, AuthMethod) (UploadPackSession, error)
	// NewReceivePackSession starts a git-receive-pack session for an endpoint.
	NewReceivePackSession(Endpoint, AuthMethod) (ReceivePackSession, error)
}

Transport can initiate git-upload-pack and git-receive-pack processes. It is implemented both by the client and the server, making this a RPC.

type UploadPackSession

type UploadPackSession interface {
	Session
	// UploadPack takes a git-upload-pack request and returns a response,
	// including a packfile. Don't be confused by terminology, the client
	// side of a git-upload-pack is called git-fetch-pack, although here
	// the same interface is used to make it RPC-like.
	UploadPack(*packp.UploadPackRequest) (*packp.UploadPackResponse, error)
}

UploadPackSession represents a git-upload-pack session. A git-upload-pack session has two steps: reference discovery (AdvertisedReferences) and uploading pack (UploadPack).

Directories

Path Synopsis
Package client contains helper function to deal with the different client protocols.
Package client contains helper function to deal with the different client protocols.
Package file implements the file transport protocol.
Package file implements the file transport protocol.
Package git implements the git transport protocol.
Package git implements the git transport protocol.
Package http implements the HTTP transport protocol.
Package http implements the HTTP transport protocol.
internal
common
Package common implements the git pack protocol with a pluggable transport.
Package common implements the git pack protocol with a pluggable transport.
Package server implements the git server protocol.
Package server implements the git server protocol.
Package ssh implements the SSH transport protocol.
Package ssh implements the SSH transport protocol.
Package test implements common test suite for different transport implementations.
Package test implements common test suite for different transport implementations.

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