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393 lines
11 KiB
393 lines
11 KiB
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 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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"bytes"
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"container/list"
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"fmt"
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"strconv"
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"strings"
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"github.com/mcuadros/go-version"
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"gopkg.in/src-d/go-git.v4/plumbing"
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"gopkg.in/src-d/go-git.v4/plumbing/object"
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)
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// GetRefCommitID returns the last commit ID string of given reference (branch or tag).
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func (repo *Repository) GetRefCommitID(name string) (string, error) {
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ref, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
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if err != nil {
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return "", err
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}
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return ref.Hash().String(), nil
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}
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// IsCommitExist returns true if given commit exists in current repository.
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func (repo *Repository) IsCommitExist(name string) bool {
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hash := plumbing.NewHash(name)
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_, err := repo.gogitRepo.CommitObject(hash)
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return err == nil
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}
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// GetBranchCommitID returns last commit ID string of given branch.
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func (repo *Repository) GetBranchCommitID(name string) (string, error) {
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return repo.GetRefCommitID(BranchPrefix + name)
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}
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// GetTagCommitID returns last commit ID string of given tag.
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func (repo *Repository) GetTagCommitID(name string) (string, error) {
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stdout, err := NewCommand("rev-list", "-n", "1", name).RunInDir(repo.Path)
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if err != nil {
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if strings.Contains(err.Error(), "unknown revision or path") {
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return "", ErrNotExist{name, ""}
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}
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return "", err
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}
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return strings.TrimSpace(stdout), nil
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}
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func convertPGPSignatureForTag(t *object.Tag) *CommitGPGSignature {
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if t.PGPSignature == "" {
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return nil
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}
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var w strings.Builder
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var err error
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if _, err = fmt.Fprintf(&w,
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"object %s\ntype %s\ntag %s\ntagger ",
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t.Target.String(), t.TargetType.Bytes(), t.Name); err != nil {
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return nil
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}
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if err = t.Tagger.Encode(&w); err != nil {
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return nil
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}
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if _, err = fmt.Fprintf(&w, "\n\n"); err != nil {
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return nil
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}
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if _, err = fmt.Fprintf(&w, t.Message); err != nil {
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return nil
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}
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return &CommitGPGSignature{
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Signature: t.PGPSignature,
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Payload: strings.TrimSpace(w.String()) + "\n",
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}
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}
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func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
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var tagObject *object.Tag
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gogitCommit, err := repo.gogitRepo.CommitObject(id)
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if err == plumbing.ErrObjectNotFound {
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tagObject, err = repo.gogitRepo.TagObject(id)
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if err == nil {
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gogitCommit, err = repo.gogitRepo.CommitObject(tagObject.Target)
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}
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}
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if err != nil {
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return nil, err
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}
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commit := convertCommit(gogitCommit)
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commit.repo = repo
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if tagObject != nil {
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commit.CommitMessage = strings.TrimSpace(tagObject.Message)
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commit.Author = &tagObject.Tagger
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commit.Signature = convertPGPSignatureForTag(tagObject)
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}
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tree, err := gogitCommit.Tree()
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if err != nil {
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return nil, err
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}
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commit.Tree.ID = tree.Hash
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commit.Tree.gogitTree = tree
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return commit, nil
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}
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// GetCommit returns commit object of by ID string.
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func (repo *Repository) GetCommit(commitID string) (*Commit, error) {
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if len(commitID) != 40 {
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var err error
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actualCommitID, err := NewCommand("rev-parse", commitID).RunInDir(repo.Path)
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if err != nil {
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if strings.Contains(err.Error(), "unknown revision or path") {
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return nil, ErrNotExist{commitID, ""}
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}
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return nil, err
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}
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commitID = actualCommitID
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}
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id, err := NewIDFromString(commitID)
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if err != nil {
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return nil, err
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}
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return repo.getCommit(id)
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}
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// GetBranchCommit returns the last commit of given branch.
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func (repo *Repository) GetBranchCommit(name string) (*Commit, error) {
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commitID, err := repo.GetBranchCommitID(name)
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if err != nil {
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return nil, err
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}
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return repo.GetCommit(commitID)
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}
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// GetTagCommit get the commit of the specific tag via name
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func (repo *Repository) GetTagCommit(name string) (*Commit, error) {
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commitID, err := repo.GetTagCommitID(name)
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if err != nil {
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return nil, err
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}
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return repo.GetCommit(commitID)
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}
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func (repo *Repository) getCommitByPathWithID(id SHA1, relpath string) (*Commit, error) {
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// File name starts with ':' must be escaped.
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if relpath[0] == ':' {
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relpath = `\` + relpath
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}
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stdout, err := NewCommand("log", "-1", prettyLogFormat, id.String(), "--", relpath).RunInDir(repo.Path)
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if err != nil {
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return nil, err
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}
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id, err = NewIDFromString(stdout)
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if err != nil {
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return nil, err
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}
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return repo.getCommit(id)
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}
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// GetCommitByPath returns the last commit of relative path.
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func (repo *Repository) GetCommitByPath(relpath string) (*Commit, error) {
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stdout, err := NewCommand("log", "-1", prettyLogFormat, "--", relpath).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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commits, err := repo.parsePrettyFormatLogToList(stdout)
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if err != nil {
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return nil, err
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}
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return commits.Front().Value.(*Commit), nil
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}
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// CommitsRangeSize the default commits range size
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var CommitsRangeSize = 50
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func (repo *Repository) commitsByRange(id SHA1, page int) (*list.List, error) {
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stdout, err := NewCommand("log", id.String(), "--skip="+strconv.Itoa((page-1)*CommitsRangeSize),
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"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return repo.parsePrettyFormatLogToList(stdout)
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}
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func (repo *Repository) searchCommits(id SHA1, opts SearchCommitsOptions) (*list.List, error) {
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cmd := NewCommand("log", id.String(), "-100", "-i", prettyLogFormat)
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if len(opts.Keywords) > 0 {
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for _, v := range opts.Keywords {
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cmd.AddArguments("--grep=" + v)
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}
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}
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if len(opts.Authors) > 0 {
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for _, v := range opts.Authors {
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cmd.AddArguments("--author=" + v)
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}
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}
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if len(opts.Committers) > 0 {
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for _, v := range opts.Committers {
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cmd.AddArguments("--committer=" + v)
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}
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}
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if len(opts.After) > 0 {
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cmd.AddArguments("--after=" + opts.After)
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}
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if len(opts.Before) > 0 {
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cmd.AddArguments("--before=" + opts.Before)
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}
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if opts.All {
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cmd.AddArguments("--all")
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}
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stdout, err := cmd.RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return repo.parsePrettyFormatLogToList(stdout)
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}
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func (repo *Repository) getFilesChanged(id1, id2 string) ([]string, error) {
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stdout, err := NewCommand("diff", "--name-only", id1, id2).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return strings.Split(string(stdout), "\n"), nil
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}
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// FileChangedBetweenCommits Returns true if the file changed between commit IDs id1 and id2
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func (repo *Repository) FileChangedBetweenCommits(filename, id1, id2 string) (bool, error) {
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stdout, err := NewCommand("diff", "--name-only", "-z", id1, id2, "--", filename).RunInDirBytes(repo.Path)
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if err != nil {
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return false, err
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}
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return len(strings.TrimSpace(string(stdout))) > 0, nil
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}
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// FileCommitsCount return the number of files at a revison
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func (repo *Repository) FileCommitsCount(revision, file string) (int64, error) {
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return commitsCount(repo.Path, revision, file)
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}
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// CommitsByFileAndRange return the commits according revison file and the page
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func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (*list.List, error) {
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stdout, err := NewCommand("log", revision, "--follow", "--skip="+strconv.Itoa((page-1)*50),
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"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return repo.parsePrettyFormatLogToList(stdout)
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}
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// CommitsByFileAndRangeNoFollow return the commits according revison file and the page
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func (repo *Repository) CommitsByFileAndRangeNoFollow(revision, file string, page int) (*list.List, error) {
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stdout, err := NewCommand("log", revision, "--skip="+strconv.Itoa((page-1)*50),
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"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return repo.parsePrettyFormatLogToList(stdout)
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}
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// FilesCountBetween return the number of files changed between two commits
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func (repo *Repository) FilesCountBetween(startCommitID, endCommitID string) (int, error) {
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stdout, err := NewCommand("diff", "--name-only", startCommitID+"..."+endCommitID).RunInDir(repo.Path)
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if err != nil {
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return 0, err
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}
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return len(strings.Split(stdout, "\n")) - 1, nil
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}
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// CommitsBetween returns a list that contains commits between [last, before).
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func (repo *Repository) CommitsBetween(last *Commit, before *Commit) (*list.List, error) {
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stdout, err := NewCommand("rev-list", before.ID.String()+"..."+last.ID.String()).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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return repo.parsePrettyFormatLogToList(bytes.TrimSpace(stdout))
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}
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// CommitsBetweenIDs return commits between twoe commits
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func (repo *Repository) CommitsBetweenIDs(last, before string) (*list.List, error) {
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lastCommit, err := repo.GetCommit(last)
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if err != nil {
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return nil, err
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}
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beforeCommit, err := repo.GetCommit(before)
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if err != nil {
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return nil, err
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}
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return repo.CommitsBetween(lastCommit, beforeCommit)
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}
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// CommitsCountBetween return numbers of commits between two commits
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func (repo *Repository) CommitsCountBetween(start, end string) (int64, error) {
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return commitsCount(repo.Path, start+"..."+end, "")
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}
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// commitsBefore the limit is depth, not total number of returned commits.
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func (repo *Repository) commitsBefore(id SHA1, limit int) (*list.List, error) {
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cmd := NewCommand("log")
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if limit > 0 {
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cmd.AddArguments("-"+strconv.Itoa(limit), prettyLogFormat, id.String())
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} else {
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cmd.AddArguments(prettyLogFormat, id.String())
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}
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stdout, err := cmd.RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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}
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formattedLog, err := repo.parsePrettyFormatLogToList(bytes.TrimSpace(stdout))
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if err != nil {
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return nil, err
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}
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commits := list.New()
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for logEntry := formattedLog.Front(); logEntry != nil; logEntry = logEntry.Next() {
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commit := logEntry.Value.(*Commit)
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branches, err := repo.getBranches(commit, 2)
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if err != nil {
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return nil, err
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}
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if len(branches) > 1 {
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break
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}
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commits.PushBack(commit)
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}
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return commits, nil
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}
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func (repo *Repository) getCommitsBefore(id SHA1) (*list.List, error) {
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return repo.commitsBefore(id, 0)
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}
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func (repo *Repository) getCommitsBeforeLimit(id SHA1, num int) (*list.List, error) {
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return repo.commitsBefore(id, num)
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}
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func (repo *Repository) getBranches(commit *Commit, limit int) ([]string, error) {
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if version.Compare(gitVersion, "2.7.0", ">=") {
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stdout, err := NewCommand("for-each-ref", "--count="+strconv.Itoa(limit), "--format=%(refname:strip=2)", "--contains", commit.ID.String(), BranchPrefix).RunInDir(repo.Path)
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if err != nil {
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return nil, err
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}
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branches := strings.Fields(stdout)
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return branches, nil
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}
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stdout, err := NewCommand("branch", "--contains", commit.ID.String()).RunInDir(repo.Path)
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if err != nil {
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return nil, err
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}
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refs := strings.Split(stdout, "\n")
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var max int
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if len(refs) > limit {
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max = limit
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} else {
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max = len(refs) - 1
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}
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branches := make([]string, max)
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for i, ref := range refs[:max] {
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parts := strings.Fields(ref)
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branches[i] = parts[len(parts)-1]
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}
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return branches, nil
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}
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