plumbing

package
v4.0.0+incompatible Latest Latest
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 Go to latest Published: Jan 8, 2018 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Overview

package plumbing implement the core interfaces and structs used by go-git

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrObjectNotFound = errors.New("object not found")
	// ErrInvalidType is returned when an invalid object type is provided.
	ErrInvalidType = errors.New("invalid object type")
)
View Source 
var (
	ErrReferenceNotFound = errors.New("reference not found")
)
View Source 
var RefRevParseRules = []string{
	"refs/%s",
	"refs/tags/%s",
	"refs/heads/%s",
	"refs/remotes/%s",
	"refs/remotes/%s/HEAD",
}

RefRevParseRules are a set of rules to parse references into short names. These are the same rules as used by git in shorten_unambiguous_ref. See: https://github.com/git/git/blob/e0aaa1b6532cfce93d87af9bc813fb2e7a7ce9d7/refs.c#L417

Functions

func HashesSort 

func HashesSort(a []Hash)

HashesSort sorts a slice of Hashes in increasing order.

Types

type DeltaObject 

type DeltaObject interface {
	EncodedObject
	// BaseHash returns the hash of the object used as base for this delta.
	BaseHash() Hash
	// ActualHash returns the hash of the object after applying the delta.
	ActualHash() Hash
	// Size returns the size of the object after applying the delta.
	ActualSize() int64
}

DeltaObject is an EncodedObject representing a delta.

type EncodedObject 

type EncodedObject interface {
	Hash() Hash
	Type() ObjectType
	SetType(ObjectType)
	Size() int64
	SetSize(int64)
	Reader() (io.ReadCloser, error)
	Writer() (io.WriteCloser, error)
}

Object is a generic representation of any git object

type Hash 

type Hash [20]byte

Hash SHA1 hased content 

var ZeroHash Hash

ZeroHash is Hash with value zero

func ComputeHash 

func ComputeHash(t ObjectType, content []byte) Hash

ComputeHash compute the hash for a given ObjectType and content

func NewHash 

func NewHash(s string) Hash

NewHash return a new Hash from a hexadecimal hash representation

func (Hash) IsZero 

func (h Hash) IsZero() bool

func (Hash) String 

func (h Hash) String() string

type HashSlice 

type HashSlice []Hash

HashSlice attaches the methods of sort.Interface to []Hash, sorting in increasing order.

func (HashSlice) Len 

func (p HashSlice) Len() int

func (HashSlice) Less 

func (p HashSlice) Less(i, j int) bool

func (HashSlice) Swap 

func (p HashSlice) Swap(i, j int)

type Hasher 

type Hasher struct {
	hash.Hash
}

func NewHasher 

func NewHasher(t ObjectType, size int64) Hasher

func (Hasher) Sum 

func (h Hasher) Sum() (hash Hash)

type MemoryObject 

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

MemoryObject on memory Object implementation

func (*MemoryObject) Close 

func (o *MemoryObject) Close() error

Close releases any resources consumed by the object when it is acting as a ObjectWriter.

func (*MemoryObject) Hash 

func (o *MemoryObject) Hash() Hash

Hash return the object Hash, the hash is calculated on-the-fly the first time is called, the subsequent calls the same Hash is returned even if the type or the content has changed. The Hash is only generated if the size of the content is exactly the Object.Size

func (*MemoryObject) Reader 

func (o *MemoryObject) Reader() (io.ReadCloser, error)

Reader returns a ObjectReader used to read the object's content.

func (*MemoryObject) SetSize 

func (o *MemoryObject) SetSize(s int64)

SetSize set the object size, a content of the given size should be written afterwards

func (*MemoryObject) SetType 

func (o *MemoryObject) SetType(t ObjectType)

SetType sets the ObjectType

func (*MemoryObject) Size 

func (o *MemoryObject) Size() int64

Size return the size of the object

func (*MemoryObject) Type 

func (o *MemoryObject) Type() ObjectType

Type return the ObjectType

func (*MemoryObject) Write 

func (o *MemoryObject) Write(p []byte) (n int, err error)

func (*MemoryObject) Writer 

func (o *MemoryObject) Writer() (io.WriteCloser, error)

Writer returns a ObjectWriter used to write the object's content.

type ObjectType 

type ObjectType int8

ObjectType internal object type Integer values from 0 to 7 map to those exposed by git. AnyObject is used to represent any from 0 to 7. 

const (
	InvalidObject ObjectType = 0
	CommitObject  ObjectType = 1
	TreeObject    ObjectType = 2
	BlobObject    ObjectType = 3
	TagObject     ObjectType = 4
	// 5 reserved for future expansion
	OFSDeltaObject ObjectType = 6
	REFDeltaObject ObjectType = 7

	AnyObject ObjectType = -127
)

func ParseObjectType 

func ParseObjectType(value string) (typ ObjectType, err error)

ParseObjectType parses a string representation of ObjectType. It returns an error on parse failure.

func (ObjectType) Bytes 

func (t ObjectType) Bytes() []byte

func (ObjectType) IsDelta 

func (t ObjectType) IsDelta() bool

IsDelta returns true for any ObjectTyoe that represents a delta (i.e. REFDeltaObject or OFSDeltaObject).

func (ObjectType) String 

func (t ObjectType) String() string

func (ObjectType) Valid 

func (t ObjectType) Valid() bool

Valid returns true if t is a valid ObjectType.

type PermanentError 

type PermanentError struct {
	Err error
}

func NewPermanentError 

func NewPermanentError(err error) *PermanentError

func (*PermanentError) Error 

func (e *PermanentError) Error() string

type Reference 

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

Reference is a representation of git reference

func NewHashReference 

func NewHashReference(n ReferenceName, h Hash) *Reference

NewHashReference creates a new HashReference reference

func NewReferenceFromStrings 

func NewReferenceFromStrings(name, target string) *Reference

NewReferenceFromStrings creates a reference from name and target as string, the resulting reference can be a SymbolicReference or a HashReference base on the target provided

func NewSymbolicReference 

func NewSymbolicReference(n, target ReferenceName) *Reference

NewSymbolicReference creates a new SymbolicReference reference

func (*Reference) Hash 

func (r *Reference) Hash() Hash

Hash return the hash of a hash reference

func (*Reference) Name 

func (r *Reference) Name() ReferenceName

Name return the name of a reference

func (*Reference) String 

func (r *Reference) String() string

func (*Reference) Strings 

func (r *Reference) Strings() [2]string

Strings dump a reference as a [2]string

func (*Reference) Target 

func (r *Reference) Target() ReferenceName

Target return the target of a symbolic reference

func (*Reference) Type 

func (r *Reference) Type() ReferenceType

Type return the type of a reference

type ReferenceName 

type ReferenceName string

ReferenceName reference name's 

const (
	HEAD   ReferenceName = "HEAD"
	Master ReferenceName = "refs/heads/master"
)

func (ReferenceName) IsBranch 

func (r ReferenceName) IsBranch() bool

IsBranch check if a reference is a branch

func (ReferenceName) IsNote 

func (r ReferenceName) IsNote() bool

IsNote check if a reference is a note

func (ReferenceName) IsRemote 

func (r ReferenceName) IsRemote() bool

IsRemote check if a reference is a remote

func (ReferenceName) IsTag 

func (r ReferenceName) IsTag() bool

IsTag check if a reference is a tag

func (ReferenceName) Short 

func (r ReferenceName) Short() string

Short returns the short name of a ReferenceName

func (ReferenceName) String 

func (r ReferenceName) String() string

type ReferenceType 

type ReferenceType int8

ReferenceType reference type's 

const (
	InvalidReference  ReferenceType = 0
	HashReference     ReferenceType = 1
	SymbolicReference ReferenceType = 2
)

func (ReferenceType) String 

func (r ReferenceType) String() string

type Revision 

type Revision string

Revision represents a git revision to get more details about git revisions please check git manual page : https://www.kernel.org/pub/software/scm/git/docs/gitrevisions.html

func (Revision) String 

func (r Revision) String() string

type UnexpectedError 

type UnexpectedError struct {
	Err error
}

func NewUnexpectedError 

func NewUnexpectedError(err error) *UnexpectedError

func (*UnexpectedError) Error 

func (e *UnexpectedError) Error() string

Source Files

View all Source files

Directories

Path Synopsis
format
config
Package config implements encoding and decoding of git config files.
 Package config implements encoding and decoding of git config files.
diff
gitignore
Package gitignore implements matching file system paths to gitignore patterns that can be automatically read from a git repository tree in the order of definition priorities.
 Package gitignore implements matching file system paths to gitignore patterns that can be automatically read from a git repository tree in the order of definition priorities.
idxfile
Package idxfile implements encoding and decoding of packfile idx files.
 Package idxfile implements encoding and decoding of packfile idx files.
index
Package index implements encoding and decoding of index format files.
 Package index implements encoding and decoding of index format files.
objfile
Package objfile implements encoding and decoding of object files.
 Package objfile implements encoding and decoding of object files.
packfile
Package packfile implements encoding and decoding of packfile format.
 Package packfile implements encoding and decoding of packfile format.
pktline
Package pktline implements reading payloads form pkt-lines and encoding pkt-lines from payloads.
 Package pktline implements reading payloads form pkt-lines and encoding pkt-lines from payloads.
Package object contains implementations of all Git objects and utility functions to work with them.
 Package object contains implementations of all Git objects and utility functions to work with them.
protocol
packp
packp/capability
Package capability defines the server and client capabilities.
 Package capability defines the server and client capabilities.
packp/sideband
Package sideband implements a sideband mutiplex/demultiplexer
 Package sideband implements a sideband mutiplex/demultiplexer
Package revlist provides support to access the ancestors of commits, in a similar way as the git-rev-list command.
 Package revlist provides support to access the ancestors of commits, in a similar way as the git-rev-list command.
Package storer defines the interfaces to store objects, references, etc.
 Package storer defines the interfaces to store objects, references, etc.
Package transport includes the implementation for different transport protocols.
 Package transport includes the implementation for different transport protocols.
client
Package client contains helper function to deal with the different client protocols.
 Package client contains helper function to deal with the different client protocols.
file
Package file implements the file transport protocol.
 Package file implements the file transport protocol.
git
Package git implements the git transport protocol.
 Package git implements the git transport protocol.
http
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.
server
Package server implements the git server protocol.
 Package server implements the git server protocol.
ssh
Package ssh implements the SSH transport protocol.
 Package ssh implements the SSH transport protocol.
test
Package test implements common test suite for different transport implementations.
 Package test implements common test suite for different transport implementations.

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