mirror of
https://gitee.com/gitea/gitea
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move code.gitea.io/git to code.gitea.io/gitea/modules/git (#6364)
* move code.gitea.io/git to code.gitea.io/gitea/modules/git * fix imports * fix fmt * fix misspell * remove wrong tests data * fix unit tests * fix tests * fix tests * fix tests * fix tests * fix tests * enable Debug to trace the failure tests * fix tests * fix tests * fix tests * fix tests * fix tests * comment commit count tests since git clone depth is 50 * fix tests * update from code.gitea.io/git * revert change to makefile
This commit is contained in:
Lunny Xiao
349
modules/git/commit.go
Normal file
349
modules/git/commit.go
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@@ -0,0 +1,349 @@
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// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2018 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"bufio"
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"bytes"
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"container/list"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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)
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// Commit represents a git commit.
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type Commit struct {
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Branch string // Branch this commit belongs to
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Tree
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ID SHA1 // The ID of this commit object
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Author *Signature
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Committer *Signature
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CommitMessage string
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Signature *CommitGPGSignature
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parents []SHA1 // SHA1 strings
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submoduleCache *ObjectCache
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}
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// CommitGPGSignature represents a git commit signature part.
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type CommitGPGSignature struct {
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Signature string
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Payload string //TODO check if can be reconstruct from the rest of commit information to not have duplicate data
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}
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// similar to https://github.com/git/git/blob/3bc53220cb2dcf709f7a027a3f526befd021d858/commit.c#L1128
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func newGPGSignatureFromCommitline(data []byte, signatureStart int, tag bool) (*CommitGPGSignature, error) {
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sig := new(CommitGPGSignature)
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signatureEnd := bytes.LastIndex(data, []byte("-----END PGP SIGNATURE-----"))
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if signatureEnd == -1 {
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return nil, fmt.Errorf("end of commit signature not found")
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}
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sig.Signature = strings.Replace(string(data[signatureStart:signatureEnd+27]), "\n ", "\n", -1)
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if tag {
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sig.Payload = string(data[:signatureStart-1])
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} else {
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sig.Payload = string(data[:signatureStart-8]) + string(data[signatureEnd+27:])
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}
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return sig, nil
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}
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// Message returns the commit message. Same as retrieving CommitMessage directly.
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func (c *Commit) Message() string {
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return c.CommitMessage
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}
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// Summary returns first line of commit message.
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func (c *Commit) Summary() string {
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return strings.Split(strings.TrimSpace(c.CommitMessage), "\n")[0]
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}
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// ParentID returns oid of n-th parent (0-based index).
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// It returns nil if no such parent exists.
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func (c *Commit) ParentID(n int) (SHA1, error) {
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if n >= len(c.parents) {
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return SHA1{}, ErrNotExist{"", ""}
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}
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return c.parents[n], nil
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}
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// Parent returns n-th parent (0-based index) of the commit.
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func (c *Commit) Parent(n int) (*Commit, error) {
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id, err := c.ParentID(n)
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if err != nil {
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return nil, err
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}
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parent, err := c.repo.getCommit(id)
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if err != nil {
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return nil, err
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}
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return parent, nil
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}
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// ParentCount returns number of parents of the commit.
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// 0 if this is the root commit, otherwise 1,2, etc.
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func (c *Commit) ParentCount() int {
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return len(c.parents)
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}
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func isImageFile(data []byte) (string, bool) {
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contentType := http.DetectContentType(data)
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if strings.Index(contentType, "image/") != -1 {
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return contentType, true
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}
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return contentType, false
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}
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// IsImageFile is a file image type
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func (c *Commit) IsImageFile(name string) bool {
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blob, err := c.GetBlobByPath(name)
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if err != nil {
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return false
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}
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dataRc, err := blob.DataAsync()
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if err != nil {
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return false
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}
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defer dataRc.Close()
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buf := make([]byte, 1024)
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n, _ := dataRc.Read(buf)
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buf = buf[:n]
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_, isImage := isImageFile(buf)
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return isImage
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}
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// GetCommitByPath return the commit of relative path object.
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func (c *Commit) GetCommitByPath(relpath string) (*Commit, error) {
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return c.repo.getCommitByPathWithID(c.ID, relpath)
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}
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// AddChanges marks local changes to be ready for commit.
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func AddChanges(repoPath string, all bool, files ...string) error {
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cmd := NewCommand("add")
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if all {
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cmd.AddArguments("--all")
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}
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_, err := cmd.AddArguments(files...).RunInDir(repoPath)
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return err
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}
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// CommitChangesOptions the options when a commit created
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type CommitChangesOptions struct {
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Committer *Signature
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Author *Signature
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Message string
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}
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// CommitChanges commits local changes with given committer, author and message.
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// If author is nil, it will be the same as committer.
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func CommitChanges(repoPath string, opts CommitChangesOptions) error {
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cmd := NewCommand()
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if opts.Committer != nil {
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cmd.AddArguments("-c", "user.name="+opts.Committer.Name, "-c", "user.email="+opts.Committer.Email)
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}
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cmd.AddArguments("commit")
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if opts.Author == nil {
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opts.Author = opts.Committer
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}
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if opts.Author != nil {
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cmd.AddArguments(fmt.Sprintf("--author='%s <%s>'", opts.Author.Name, opts.Author.Email))
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}
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cmd.AddArguments("-m", opts.Message)
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_, err := cmd.RunInDir(repoPath)
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// No stderr but exit status 1 means nothing to commit.
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if err != nil && err.Error() == "exit status 1" {
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return nil
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}
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return err
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}
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func commitsCount(repoPath, revision, relpath string) (int64, error) {
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var cmd *Command
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cmd = NewCommand("rev-list", "--count")
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cmd.AddArguments(revision)
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if len(relpath) > 0 {
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cmd.AddArguments("--", relpath)
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}
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stdout, err := cmd.RunInDir(repoPath)
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if err != nil {
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return 0, err
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}
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return strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
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}
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// CommitsCount returns number of total commits of until given revision.
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func CommitsCount(repoPath, revision string) (int64, error) {
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return commitsCount(repoPath, revision, "")
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}
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// CommitsCount returns number of total commits of until current revision.
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func (c *Commit) CommitsCount() (int64, error) {
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return CommitsCount(c.repo.Path, c.ID.String())
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}
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// CommitsByRange returns the specific page commits before current revision, every page's number default by CommitsRangeSize
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func (c *Commit) CommitsByRange(page int) (*list.List, error) {
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return c.repo.commitsByRange(c.ID, page)
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}
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// CommitsBefore returns all the commits before current revision
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func (c *Commit) CommitsBefore() (*list.List, error) {
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return c.repo.getCommitsBefore(c.ID)
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}
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// CommitsBeforeLimit returns num commits before current revision
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func (c *Commit) CommitsBeforeLimit(num int) (*list.List, error) {
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return c.repo.getCommitsBeforeLimit(c.ID, num)
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}
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// CommitsBeforeUntil returns the commits between commitID to current revision
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func (c *Commit) CommitsBeforeUntil(commitID string) (*list.List, error) {
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endCommit, err := c.repo.GetCommit(commitID)
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if err != nil {
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return nil, err
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}
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return c.repo.CommitsBetween(c, endCommit)
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}
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// SearchCommits returns the commits match the keyword before current revision
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func (c *Commit) SearchCommits(keyword string, all bool) (*list.List, error) {
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return c.repo.searchCommits(c.ID, keyword, all)
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}
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// GetFilesChangedSinceCommit get all changed file names between pastCommit to current revision
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func (c *Commit) GetFilesChangedSinceCommit(pastCommit string) ([]string, error) {
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return c.repo.getFilesChanged(pastCommit, c.ID.String())
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}
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// GetSubModules get all the sub modules of current revision git tree
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func (c *Commit) GetSubModules() (*ObjectCache, error) {
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if c.submoduleCache != nil {
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return c.submoduleCache, nil
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}
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entry, err := c.GetTreeEntryByPath(".gitmodules")
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if err != nil {
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if _, ok := err.(ErrNotExist); ok {
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return nil, nil
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}
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return nil, err
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}
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rd, err := entry.Blob().Data()
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if err != nil {
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return nil, err
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}
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scanner := bufio.NewScanner(rd)
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c.submoduleCache = newObjectCache()
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var ismodule bool
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var path string
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for scanner.Scan() {
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if strings.HasPrefix(scanner.Text(), "[submodule") {
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ismodule = true
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continue
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}
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if ismodule {
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fields := strings.Split(scanner.Text(), "=")
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k := strings.TrimSpace(fields[0])
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if k == "path" {
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path = strings.TrimSpace(fields[1])
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} else if k == "url" {
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c.submoduleCache.Set(path, &SubModule{path, strings.TrimSpace(fields[1])})
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ismodule = false
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}
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}
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}
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return c.submoduleCache, nil
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}
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// GetSubModule get the sub module according entryname
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func (c *Commit) GetSubModule(entryname string) (*SubModule, error) {
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modules, err := c.GetSubModules()
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if err != nil {
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return nil, err
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}
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if modules != nil {
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module, has := modules.Get(entryname)
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if has {
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return module.(*SubModule), nil
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}
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}
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return nil, nil
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}
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// CommitFileStatus represents status of files in a commit.
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type CommitFileStatus struct {
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Added []string
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Removed []string
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Modified []string
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}
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// NewCommitFileStatus creates a CommitFileStatus
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func NewCommitFileStatus() *CommitFileStatus {
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return &CommitFileStatus{
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[]string{}, []string{}, []string{},
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}
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}
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// GetCommitFileStatus returns file status of commit in given repository.
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func GetCommitFileStatus(repoPath, commitID string) (*CommitFileStatus, error) {
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stdout, w := io.Pipe()
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done := make(chan struct{})
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fileStatus := NewCommitFileStatus()
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go func() {
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scanner := bufio.NewScanner(stdout)
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for scanner.Scan() {
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fields := strings.Fields(scanner.Text())
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if len(fields) < 2 {
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continue
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}
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switch fields[0][0] {
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case 'A':
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fileStatus.Added = append(fileStatus.Added, fields[1])
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case 'D':
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fileStatus.Removed = append(fileStatus.Removed, fields[1])
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case 'M':
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fileStatus.Modified = append(fileStatus.Modified, fields[1])
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}
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}
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done <- struct{}{}
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}()
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stderr := new(bytes.Buffer)
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err := NewCommand("show", "--name-status", "--pretty=format:''", commitID).RunInDirPipeline(repoPath, w, stderr)
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w.Close() // Close writer to exit parsing goroutine
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if err != nil {
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return nil, concatenateError(err, stderr.String())
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}
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<-done
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return fileStatus, nil
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}
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// GetFullCommitID returns full length (40) of commit ID by given short SHA in a repository.
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func GetFullCommitID(repoPath, shortID string) (string, error) {
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if len(shortID) >= 40 {
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return shortID, nil
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}
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commitID, err := NewCommand("rev-parse", shortID).RunInDir(repoPath)
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if err != nil {
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if strings.Contains(err.Error(), "exit status 128") {
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return "", ErrNotExist{shortID, ""}
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}
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return "", err
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}
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return strings.TrimSpace(commitID), nil
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}
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