git

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 Go to latest Published: Dec 18, 2016 License: Apache-2.0 Imports: 23 Imported by: 0

README

GoGits - Git

Package GoGits - Git is a pure Go implementation of Git manipulation.

History

  • This repository was a fork but it's now completely no relation with the upstream.

Requirements

  • Git: In order to not affects development of Gogs, some of APIs use Git commands, but will eventually rewritten in Go.

License

Go Walker is under Apache v2 License. See the LICENSE file for the full license text.

Documentation

Overview

Package GoGits - Git is a pure Go implementation of Git manipulation.

Index

Constants

View Source 
const (
	ItemsPerPage   = 50
	ItemsPerSearch = 100
)

Variables

View Source 
var (
	ErrBranchExisted = errors.New("branch has existed")
)
View Source 
var (
	ErrNotExist = errors.New("error not exist")
)
View Source 
var (
	IdNotExist = errors.New("sha1 id not exist")
)
View Source 
var TreeEntryRe = regexp.MustCompile("^([0-9]+) ([^\x00]+)\x00")

Functions

func CreateBranch 

func CreateBranch(repoPath, branchName, id string) error

func CreateRef 

func CreateRef(head, repoPath, branchName, id string) error

func CreateTag 

func CreateTag(repoPath, tagName, id string) error

func IntToStr 

func IntToStr(n int) string

func IsBranchExist 

func IsBranchExist(repoPath, branchName string) bool

func IsSha1 

func IsSha1(sha1 string) bool

func NewId 

func NewId(b []byte) (sha1, error)

Create a new sha1 from a 20 byte slice.

func NewIdFromString 

func NewIdFromString(s string) (sha1, error)

Create a new sha1 from a Sha1 string of length 40.

func ParseModeType 

func ParseModeType(modeString string) (EntryMode, ObjectType, error)

func PrependObjectHeader 

func PrependObjectHeader(objectType ObjectType, r io.ReadSeeker) (io.Reader, error)

Add '<type> <size>\x00' to beginning of `r`.

func RefEndName 

func RefEndName(refStr string) string

func ScanTreeEntry 

func ScanTreeEntry(
	data []byte,
	atEOF bool,
) (
	advance int, token []byte, err error,
)

func StoreObjectSHA 

func StoreObjectSHA(
	objectType ObjectType,
	w io.Writer,
	r io.ReadSeeker,
) (sha1, error)

Write an the object contents in `r` in compressed form to `w` and return the hash. Special case: if `w` is `ioutil.Discard`, the data is not compressed, since the data is not consumed anywhere.

func StrToInt 

func StrToInt(str string) (int, error)

func UnpackRefs 

func UnpackRefs(repoPath string) error

UnpackRefs unpacks 'packed-refs' to git repository.

Types

type ArchiveType 

type ArchiveType int
const (
	AT_ZIP ArchiveType = iota + 1
	AT_TARGZ
)

type Blob 

type Blob struct {
	*TreeEntry
}

func (*Blob) Data 

func (b *Blob) Data() (io.ReadCloser, error)

type Commit 

type Commit struct {
	Tree
	Id            sha1 // The id of this commit object
	Author        *Signature
	Committer     *Signature
	CommitMessage string
	// contains filtered or unexported fields
}

Commit represents a git commit.

func (*Commit) CommitsBefore 

func (c *Commit) CommitsBefore() (*list.List, error)

func (*Commit) CommitsBeforeUntil 

func (c *Commit) CommitsBeforeUntil(commitId string) (*list.List, error)

func (*Commit) CommitsByRange 

func (c *Commit) CommitsByRange(page int) (*list.List, error)

func (*Commit) CommitsCount 

func (c *Commit) CommitsCount() (int, error)

func (*Commit) CreateArchive 

func (c *Commit) CreateArchive(path string, archiveType ArchiveType) error

func (*Commit) GetCommitOfRelPath 

func (c *Commit) GetCommitOfRelPath(relPath string) (*Commit, error)

func (*Commit) Message 

func (c *Commit) Message() string

Return the commit message. Same as retrieving CommitMessage directly.

func (*Commit) Parent 

func (c *Commit) Parent(n int) (*Commit, error)

Return parent number n (0-based index)

func (*Commit) ParentCount 

func (c *Commit) ParentCount() int

Return the number of parents of the commit. 0 if this is the root commit, otherwise 1,2,...

func (*Commit) ParentId 

func (c *Commit) ParentId(n int) (id sha1, err error)

Return oid of the parent number n (0-based index). Return nil if no such parent exists.

func (*Commit) SearchCommits 

func (c *Commit) SearchCommits(keyword string) (*list.List, error)

func (*Commit) Summary 

func (c *Commit) Summary() string

func (*Commit) TreeId 

func (c *Commit) TreeId() sha1

Return oid of the (root) tree of this commit.

type CommitComparator 

type CommitComparator func(current, parent *Commit) bool

CommitComparator defines callback type for checking commit equalty. If it returns true then commits are considered equal. See "History Simplification" chapter of git-log man for details

type CommitWalkCallback 

type CommitWalkCallback func(*Commit) (HistoryWalkerAction, error)

type Entries 

type Entries []*TreeEntry

func (Entries) Len 

func (bs Entries) Len() int

func (Entries) Less 

func (bs Entries) Less(i, j int) bool

func (Entries) Sort 

func (bs Entries) Sort()

func (Entries) Swap 

func (bs Entries) Swap(i, j int)

type EntryMode 

type EntryMode int
const (
	ModeBlob    EntryMode = 0100644
	ModeExec    EntryMode = 0100755
	ModeSymlink EntryMode = 0120000
	ModeCommit  EntryMode = 0160000
	ModeTree    EntryMode = 0040000
)

There are only a few file modes in Git. They look like unix file modes, but they can only be one of these.

type HistoryWalkerAction 

type HistoryWalkerAction int
const (
	// drop commit and do not follow parents
	HWDrop HistoryWalkerAction = 0
	// take commit but not traverse parents
	HWTakeCommit HistoryWalkerAction = 1 << iota
	// drop commit but traverse parents
	HWFollowParents
	// stop traverse
	HWStop

	// take commit and follow parents
	HWTakeAndFollow = HWTakeCommit | HWFollowParents
)

type ObjectType 

type ObjectType int

Who am I? 

const (
	ObjectCommit ObjectType = 0x10
	ObjectTree   ObjectType = 0x20
	ObjectBlob   ObjectType = 0x30
	ObjectTag    ObjectType = 0x40
)

func (ObjectType) String 

func (t ObjectType) String() string

type Repository 

type Repository struct {
	Path string
	// contains filtered or unexported fields
}

A Repository is the base of all other actions. If you need to lookup a commit, tree or blob, you do it from here.

func OpenRepository 

func OpenRepository(path string) (*Repository, error)

Open the repository at the given path.

func (*Repository) CommitsBefore 

func (repo *Repository) CommitsBefore(commitId string) (*list.List, error)

func (*Repository) CommitsBetween 

func (repo *Repository) CommitsBetween(last *Commit, before *Commit) (*list.List, error)

used only for single tree, (]

func (*Repository) CommitsByFileAndRange 

func (repo *Repository) CommitsByFileAndRange(branch, file string, page int) (*list.List, error)

func (*Repository) CommitsByRange 

func (repo *Repository) CommitsByRange(commitId string, page int) (*list.List, error)

GetCommitsByRange returns certain number of commits with given page of repository.

func (*Repository) CommitsCount 

func (repo *Repository) CommitsCount(commitId string) (int, error)

func (*Repository) CreateBranch 

func (repo *Repository) CreateBranch(branchName, idStr string) error

func (*Repository) CreateTag 

func (repo *Repository) CreateTag(tagName, idStr string) error

func (*Repository) FileCommitsCount 

func (repo *Repository) FileCommitsCount(branch, file string) (int, error)

func (*Repository) GetBranches 

func (repo *Repository) GetBranches() ([]string, error)

func (*Repository) GetCommit 

func (repo *Repository) GetCommit(commitId string) (*Commit, error)

Find the commit object in the repository.

func (*Repository) GetCommitIdOfBranch 

func (repo *Repository) GetCommitIdOfBranch(branchName string) (string, error)

func (*Repository) GetCommitIdOfTag 

func (repo *Repository) GetCommitIdOfTag(tagName string) (string, error)

func (*Repository) GetCommitOfBranch 

func (repo *Repository) GetCommitOfBranch(branchName string) (*Commit, error)

get branch's last commit or a special commit by id string

func (*Repository) GetCommitOfRelPath 

func (repo *Repository) GetCommitOfRelPath(commitId, relPath string) (*Commit, error)

func (*Repository) GetCommitOfTag 

func (repo *Repository) GetCommitOfTag(tagName string) (*Commit, error)

func (*Repository) GetRawObject 

func (repo *Repository) GetRawObject(id sha1, metaOnly bool) (ObjectType, int64, io.ReadCloser, error)

func (*Repository) GetTag 

func (repo *Repository) GetTag(tagName string) (*Tag, error)

func (*Repository) GetTags 

func (repo *Repository) GetTags() ([]string, error)

GetTags returns all tags of given repository.

func (*Repository) GetTree 

func (repo *Repository) GetTree(idStr string) (*Tree, error)

Find the tree object in the repository.

func (*Repository) HaveObject 

func (repo *Repository) HaveObject(idStr string) (found, packed bool, err error)

func (*Repository) HaveObjectFromReadSeeker 

func (repo *Repository) HaveObjectFromReadSeeker(
	objectType ObjectType,
	r io.ReadSeeker,
) (found bool, id sha1, err error)

Returns true if the content in `io.ReadSeeker` is aleady present in the object database. Leaves the initial seek position of `r` intact.

func (*Repository) IsBranchExist 

func (repo *Repository) IsBranchExist(branchName string) bool

func (*Repository) IsTagExist 

func (repo *Repository) IsTagExist(tagName string) bool

func (*Repository) SearchCommits 

func (repo *Repository) SearchCommits(commitId, keyword string) (*list.List, error)

SearchCommits searches commits in given commitId and keyword of repository.

func (*Repository) StoreObjectLoose 

func (repo *Repository) StoreObjectLoose(
	objectType ObjectType,
	r io.ReadSeeker,
) (sha1, error)

Write an object into git's loose database. If the object already exists in the database, it is not overwritten, though the compression is still performed. To avoid the compression, call HaveObjectFromReader first, which is fast and just does the SHA.

func (*Repository) TagPath 

func (repo *Repository) TagPath(tagName string) string

type Signature 

type Signature struct {
	Email string
	Name  string
	When  time.Time
}

Author and Committer information

func (Signature) String 

func (s Signature) String() string

Outputs the author signature in the same format as git log: "Author <email>". If needed, the "When" must be manually added to the string.

type Tag 

type Tag struct {
	Name string
	Id   sha1

	Object     sha1 // The id of this commit object
	Type       string
	Tagger     *Signature
	TagMessage string
	// contains filtered or unexported fields
}

Tag

func (*Tag) Commit 

func (tag *Tag) Commit() (*Commit, error)

type Tree 

type Tree struct {
	Id sha1
	// contains filtered or unexported fields
}

A tree is a flat directory listing.

func NewTree 

func NewTree(repo *Repository, id sha1) *Tree

func (*Tree) GetBlobByPath 

func (t *Tree) GetBlobByPath(rpath string) (*Blob, error)

func (*Tree) GetTreeEntryByPath 

func (t *Tree) GetTreeEntryByPath(rpath string) (*TreeEntry, error)

func (*Tree) ListEntries 

func (t *Tree) ListEntries() Entries

func (*Tree) Scanner 

func (t *Tree) Scanner() (*TreeScanner, error)

func (*Tree) String 

func (t *Tree) String() string

func (*Tree) SubTree 

func (t *Tree) SubTree(rpath string) (*Tree, error)

type TreeEntry 

type TreeEntry struct {
	Id   sha1
	Type ObjectType
	// contains filtered or unexported fields
}

func (*TreeEntry) Blob 

func (te *TreeEntry) Blob() *Blob

func (*TreeEntry) EntryMode 

func (te *TreeEntry) EntryMode() EntryMode

func (*TreeEntry) IsDir 

func (te *TreeEntry) IsDir() bool

func (*TreeEntry) ModTime 

func (te *TreeEntry) ModTime() time.Time

func (*TreeEntry) Mode 

func (te *TreeEntry) Mode() (mode os.FileMode)

func (*TreeEntry) Name 

func (te *TreeEntry) Name() string

func (*TreeEntry) Size 

func (te *TreeEntry) Size() int64

func (*TreeEntry) Sys 

func (te *TreeEntry) Sys() interface{}

type TreeScanner 

type TreeScanner struct {
	*bufio.Scanner
	// contains filtered or unexported fields
}

func NewTreeScanner 

func NewTreeScanner(parent *Tree, rc io.ReadCloser) *TreeScanner

func (*TreeScanner) Err 

func (t *TreeScanner) Err() error

func (*TreeScanner) Scan 

func (t *TreeScanner) Scan() bool

func (*TreeScanner) TreeEntry 

func (t *TreeScanner) TreeEntry() *TreeEntry

type TreeWalkCallback 

type TreeWalkCallback func(string, *TreeEntry) int

Source Files

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