forked from Shiloh/githaven
262 lines
6.7 KiB
Go
262 lines
6.7 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package git
|
|
|
|
import (
|
|
"bufio"
|
|
"container/list"
|
|
"fmt"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/mcuadros/go-version"
|
|
)
|
|
|
|
// Commit represents a git commit.
|
|
type Commit struct {
|
|
Tree
|
|
ID SHA1 // The ID of this commit object
|
|
Author *Signature
|
|
Committer *Signature
|
|
CommitMessage string
|
|
|
|
parents []SHA1 // SHA1 strings
|
|
submoduleCache *ObjectCache
|
|
}
|
|
|
|
// Message returns the commit message. Same as retrieving CommitMessage directly.
|
|
func (c *Commit) Message() string {
|
|
return c.CommitMessage
|
|
}
|
|
|
|
// Summary returns first line of commit message.
|
|
func (c *Commit) Summary() string {
|
|
return strings.Split(c.CommitMessage, "\n")[0]
|
|
}
|
|
|
|
// ParentID returns oid of n-th parent (0-based index).
|
|
// It returns nil if no such parent exists.
|
|
func (c *Commit) ParentID(n int) (SHA1, error) {
|
|
if n >= len(c.parents) {
|
|
return SHA1{}, ErrNotExist{"", ""}
|
|
}
|
|
return c.parents[n], nil
|
|
}
|
|
|
|
// Parent returns n-th parent (0-based index) of the commit.
|
|
func (c *Commit) Parent(n int) (*Commit, error) {
|
|
id, err := c.ParentID(n)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
parent, err := c.repo.getCommit(id)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return parent, nil
|
|
}
|
|
|
|
// ParentCount returns number of parents of the commit.
|
|
// 0 if this is the root commit, otherwise 1,2, etc.
|
|
func (c *Commit) ParentCount() int {
|
|
return len(c.parents)
|
|
}
|
|
|
|
func isImageFile(data []byte) (string, bool) {
|
|
contentType := http.DetectContentType(data)
|
|
if strings.Index(contentType, "image/") != -1 {
|
|
return contentType, true
|
|
}
|
|
return contentType, false
|
|
}
|
|
|
|
// IsImageFile is a file image type
|
|
func (c *Commit) IsImageFile(name string) bool {
|
|
blob, err := c.GetBlobByPath(name)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
dataRc, err := blob.Data()
|
|
if err != nil {
|
|
return false
|
|
}
|
|
buf := make([]byte, 1024)
|
|
n, _ := dataRc.Read(buf)
|
|
buf = buf[:n]
|
|
_, isImage := isImageFile(buf)
|
|
return isImage
|
|
}
|
|
|
|
// GetCommitByPath return the commit of relative path object.
|
|
func (c *Commit) GetCommitByPath(relpath string) (*Commit, error) {
|
|
return c.repo.getCommitByPathWithID(c.ID, relpath)
|
|
}
|
|
|
|
// AddChanges marks local changes to be ready for commit.
|
|
func AddChanges(repoPath string, all bool, files ...string) error {
|
|
cmd := NewCommand("add")
|
|
if all {
|
|
cmd.AddArguments("--all")
|
|
}
|
|
_, err := cmd.AddArguments(files...).RunInDir(repoPath)
|
|
return err
|
|
}
|
|
|
|
// CommitChangesOptions the options when a commit created
|
|
type CommitChangesOptions struct {
|
|
Committer *Signature
|
|
Author *Signature
|
|
Message string
|
|
}
|
|
|
|
// CommitChanges commits local changes with given committer, author and message.
|
|
// If author is nil, it will be the same as committer.
|
|
func CommitChanges(repoPath string, opts CommitChangesOptions) error {
|
|
cmd := NewCommand()
|
|
if opts.Committer != nil {
|
|
cmd.AddArguments("-c", "user.name="+opts.Committer.Name, "-c", "user.email="+opts.Committer.Email)
|
|
}
|
|
cmd.AddArguments("commit")
|
|
|
|
if opts.Author == nil {
|
|
opts.Author = opts.Committer
|
|
}
|
|
if opts.Author != nil {
|
|
cmd.AddArguments(fmt.Sprintf("--author='%s <%s>'", opts.Author.Name, opts.Author.Email))
|
|
}
|
|
cmd.AddArguments("-m", opts.Message)
|
|
|
|
_, err := cmd.RunInDir(repoPath)
|
|
// No stderr but exit status 1 means nothing to commit.
|
|
if err != nil && err.Error() == "exit status 1" {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
func commitsCount(repoPath, revision, relpath string) (int64, error) {
|
|
var cmd *Command
|
|
isFallback := false
|
|
if version.Compare(gitVersion, "1.8.0", "<") {
|
|
isFallback = true
|
|
cmd = NewCommand("log", "--pretty=format:''")
|
|
} else {
|
|
cmd = NewCommand("rev-list", "--count")
|
|
}
|
|
cmd.AddArguments(revision)
|
|
if len(relpath) > 0 {
|
|
cmd.AddArguments("--", relpath)
|
|
}
|
|
|
|
stdout, err := cmd.RunInDir(repoPath)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
if isFallback {
|
|
return int64(strings.Count(stdout, "\n")) + 1, nil
|
|
}
|
|
return strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
|
|
}
|
|
|
|
// CommitsCount returns number of total commits of until given revision.
|
|
func CommitsCount(repoPath, revision string) (int64, error) {
|
|
return commitsCount(repoPath, revision, "")
|
|
}
|
|
|
|
// CommitsCount returns number of total commits of until current revision.
|
|
func (c *Commit) CommitsCount() (int64, error) {
|
|
return CommitsCount(c.repo.Path, c.ID.String())
|
|
}
|
|
|
|
// CommitsByRange returns the specific page commits before current revision, every page's number default by CommitsRangeSize
|
|
func (c *Commit) CommitsByRange(page int) (*list.List, error) {
|
|
return c.repo.commitsByRange(c.ID, page)
|
|
}
|
|
|
|
// CommitsBefore returns all the commits before current revision
|
|
func (c *Commit) CommitsBefore() (*list.List, error) {
|
|
return c.repo.getCommitsBefore(c.ID)
|
|
}
|
|
|
|
// CommitsBeforeLimit returns num commits before current revision
|
|
func (c *Commit) CommitsBeforeLimit(num int) (*list.List, error) {
|
|
return c.repo.getCommitsBeforeLimit(c.ID, num)
|
|
}
|
|
|
|
// CommitsBeforeUntil returns the commits between commitID to current revision
|
|
func (c *Commit) CommitsBeforeUntil(commitID string) (*list.List, error) {
|
|
endCommit, err := c.repo.GetCommit(commitID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return c.repo.CommitsBetween(c, endCommit)
|
|
}
|
|
|
|
// SearchCommits returns the commits match the keyword before current revision
|
|
func (c *Commit) SearchCommits(keyword string, all bool) (*list.List, error) {
|
|
return c.repo.searchCommits(c.ID, keyword, all)
|
|
}
|
|
|
|
// GetFilesChangedSinceCommit get all changed file names between pastCommit to current revision
|
|
func (c *Commit) GetFilesChangedSinceCommit(pastCommit string) ([]string, error) {
|
|
return c.repo.getFilesChanged(pastCommit, c.ID.String())
|
|
}
|
|
|
|
// GetSubModules get all the sub modules of current revision git tree
|
|
func (c *Commit) GetSubModules() (*ObjectCache, error) {
|
|
if c.submoduleCache != nil {
|
|
return c.submoduleCache, nil
|
|
}
|
|
|
|
entry, err := c.GetTreeEntryByPath(".gitmodules")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rd, err := entry.Blob().Data()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
scanner := bufio.NewScanner(rd)
|
|
c.submoduleCache = newObjectCache()
|
|
var ismodule bool
|
|
var path string
|
|
for scanner.Scan() {
|
|
if strings.HasPrefix(scanner.Text(), "[submodule") {
|
|
ismodule = true
|
|
continue
|
|
}
|
|
if ismodule {
|
|
fields := strings.Split(scanner.Text(), "=")
|
|
k := strings.TrimSpace(fields[0])
|
|
if k == "path" {
|
|
path = strings.TrimSpace(fields[1])
|
|
} else if k == "url" {
|
|
c.submoduleCache.Set(path, &SubModule{path, strings.TrimSpace(fields[1])})
|
|
ismodule = false
|
|
}
|
|
}
|
|
}
|
|
|
|
return c.submoduleCache, nil
|
|
}
|
|
|
|
// GetSubModule get the sub module according entryname
|
|
func (c *Commit) GetSubModule(entryname string) (*SubModule, error) {
|
|
modules, err := c.GetSubModules()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
module, has := modules.Get(entryname)
|
|
if has {
|
|
return module.(*SubModule), nil
|
|
}
|
|
return nil, nil
|
|
}
|