forked from gitea/gitea
297 lines
9.3 KiB
Go
297 lines
9.3 KiB
Go
// Copyright 2016 The Gogs 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 models
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"time"
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"github.com/Unknwon/com"
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git "github.com/gogits/git-module"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/process"
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"github.com/gogits/gogs/modules/setting"
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)
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// ___________ .___.__ __ ___________.__.__
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// \_ _____/ __| _/|__|/ |_ \_ _____/|__| | ____
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// | __)_ / __ | | \ __\ | __) | | | _/ __ \
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// | \/ /_/ | | || | | \ | | |_\ ___/
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// /_______ /\____ | |__||__| \___ / |__|____/\___ >
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// \/ \/ \/ \/
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// discardLocalRepoBranchChanges discards local commits/changes of
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// given branch to make sure it is even to remote branch.
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func discardLocalRepoBranchChanges(localPath, branch string) error {
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if !com.IsExist(localPath) {
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return nil
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}
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// No need to check if nothing in the repository.
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if !git.IsBranchExist(localPath, branch) {
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return nil
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}
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refName := "origin/" + branch
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if err := git.ResetHEAD(localPath, true, refName); err != nil {
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return fmt.Errorf("git reset --hard %s: %v", refName, err)
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}
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return nil
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}
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func (repo *Repository) DiscardLocalRepoBranchChanges(branch string) error {
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return discardLocalRepoBranchChanges(repo.LocalCopyPath(), branch)
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}
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// checkoutNewBranch checks out to a new branch from the a branch name.
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func checkoutNewBranch(repoPath, localPath, oldBranch, newBranch string) error {
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if err := git.Checkout(localPath, git.CheckoutOptions{
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Timeout: time.Duration(setting.Git.Timeout.Pull) * time.Second,
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Branch: newBranch,
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OldBranch: oldBranch,
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}); err != nil {
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return fmt.Errorf("git checkout -b %s %s: %v", newBranch, oldBranch, err)
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}
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return nil
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}
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func (repo *Repository) CheckoutNewBranch(oldBranch, newBranch string) error {
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return checkoutNewBranch(repo.RepoPath(), repo.LocalCopyPath(), oldBranch, newBranch)
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}
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type UpdateRepoFileOptions struct {
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LastCommitID string
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OldBranch string
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NewBranch string
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OldTreeName string
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NewTreeName string
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Message string
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Content string
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IsNewFile bool
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}
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// UpdateRepoFile adds or updates a file in repository.
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func (repo *Repository) UpdateRepoFile(doer *User, opts UpdateRepoFileOptions) (err error) {
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repoWorkingPool.CheckIn(com.ToStr(repo.ID))
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defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
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if err = repo.DiscardLocalRepoBranchChanges(opts.OldBranch); err != nil {
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return fmt.Errorf("DiscardLocalRepoBranchChanges [branch: %s]: %v", opts.OldBranch, err)
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} else if err = repo.UpdateLocalCopyBranch(opts.OldBranch); err != nil {
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return fmt.Errorf("UpdateLocalCopyBranch [branch: %s]: %v", opts.OldBranch, err)
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}
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if opts.OldBranch != opts.NewBranch {
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if err := repo.CheckoutNewBranch(opts.OldBranch, opts.NewBranch); err != nil {
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return fmt.Errorf("CheckoutNewBranch [old_branch: %s, new_branch: %s]: %v", opts.OldBranch, opts.NewBranch, err)
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}
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}
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if len(opts.Message) == 0 {
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if opts.IsNewFile {
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opts.Message = "Add '" + opts.NewTreeName + "'"
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} else {
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opts.Message = "Update '" + opts.NewTreeName + "'"
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}
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}
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localPath := repo.LocalCopyPath()
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filePath := path.Join(localPath, opts.NewTreeName)
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os.MkdirAll(path.Dir(filePath), os.ModePerm)
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// If it's meant to be a new file, make sure it doesn't exist.
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if opts.IsNewFile {
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if com.IsExist(filePath) {
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return ErrRepoFileAlreadyExist{filePath}
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}
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}
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// If update a file, move if file name change.
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if len(opts.OldTreeName) > 0 && len(opts.NewTreeName) > 0 && opts.OldTreeName != opts.NewTreeName {
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if err = git.MoveFile(localPath, opts.OldTreeName, opts.NewTreeName); err != nil {
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return fmt.Errorf("git mv %s %s: %v", opts.OldTreeName, opts.NewTreeName, err)
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}
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}
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if err = ioutil.WriteFile(filePath, []byte(opts.Content), 0666); err != nil {
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return fmt.Errorf("WriteFile: %v", err)
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}
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if err = git.AddChanges(localPath, true); err != nil {
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return fmt.Errorf("git add --all: %v", err)
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}
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signaure := doer.NewGitSig()
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if err = git.CommitChanges(localPath, opts.Message, signaure); err != nil {
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return fmt.Errorf("git commit -m %s --author='%s <%s>': %v", opts.Message, signaure.Name, signaure.Email, err)
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} else if err = git.Push(localPath, "origin", opts.NewBranch); err != nil {
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return fmt.Errorf("git push origin %s: %v", opts.NewBranch, err)
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}
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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log.Error(4, "OpenRepository: %v", err)
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return nil
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}
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commit, err := gitRepo.GetBranchCommit(opts.NewBranch)
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if err != nil {
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log.Error(4, "GetBranchCommit [branch: %s]: %v", opts.NewBranch, err)
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return nil
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}
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// Simulate push event.
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pushCommits := &PushCommits{
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Len: 1,
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Commits: []*PushCommit{CommitToPushCommit(commit)},
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}
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oldCommitID := opts.LastCommitID
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if opts.NewBranch != opts.OldBranch {
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oldCommitID = git.EMPTY_SHA
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}
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if err := CommitRepoAction(CommitRepoActionOptions{
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PusherName: doer.Name,
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RepoOwnerID: repo.MustOwner().ID,
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RepoName: repo.Name,
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RefFullName: git.BRANCH_PREFIX + opts.NewBranch,
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OldCommitID: oldCommitID,
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NewCommitID: commit.ID.String(),
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Commits: pushCommits,
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}); err != nil {
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log.Error(4, "CommitRepoAction: %v", err)
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return nil
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}
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return nil
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}
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// GetDiffPreview produces and returns diff result of a file which is not yet committed.
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func (repo *Repository) GetDiffPreview(branch, treePath, content string) (diff *Diff, err error) {
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repoWorkingPool.CheckIn(com.ToStr(repo.ID))
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defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
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if err = repo.DiscardLocalRepoBranchChanges(branch); err != nil {
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return nil, fmt.Errorf("DiscardLocalRepoBranchChanges [branch: %s]: %v", branch, err)
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} else if err = repo.UpdateLocalCopyBranch(branch); err != nil {
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return nil, fmt.Errorf("UpdateLocalCopyBranch [branch: %s]: %v", branch, err)
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}
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localPath := repo.LocalCopyPath()
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filePath := path.Join(localPath, treePath)
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os.MkdirAll(filepath.Dir(filePath), os.ModePerm)
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if err = ioutil.WriteFile(filePath, []byte(content), 0666); err != nil {
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return nil, fmt.Errorf("WriteFile: %v", err)
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}
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cmd := exec.Command("git", "diff", treePath)
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cmd.Dir = localPath
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cmd.Stderr = os.Stderr
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, fmt.Errorf("StdoutPipe: %v", err)
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}
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if err = cmd.Start(); err != nil {
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return nil, fmt.Errorf("Start: %v", err)
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}
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pid := process.Add(fmt.Sprintf("GetDiffPreview [repo_path: %s]", repo.RepoPath()), cmd)
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defer process.Remove(pid)
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diff, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, stdout)
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if err != nil {
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return nil, fmt.Errorf("ParsePatch: %v", err)
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}
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if err = cmd.Wait(); err != nil {
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return nil, fmt.Errorf("Wait: %v", err)
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}
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return diff, nil
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}
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// ________ .__ __ ___________.__.__
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// \______ \ ____ | | _____/ |_ ____ \_ _____/|__| | ____
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// | | \_/ __ \| | _/ __ \ __\/ __ \ | __) | | | _/ __ \
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// | ` \ ___/| |_\ ___/| | \ ___/ | \ | | |_\ ___/
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// /_______ /\___ >____/\___ >__| \___ > \___ / |__|____/\___ >
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// \/ \/ \/ \/ \/ \/
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//
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type DeleteRepoFileOptions struct {
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LastCommitID string
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Branch string
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TreePath string
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Message string
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}
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func (repo *Repository) DeleteRepoFile(doer *User, opts DeleteRepoFileOptions) (err error) {
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repoWorkingPool.CheckIn(com.ToStr(repo.ID))
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defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
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localPath := repo.LocalCopyPath()
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if err = discardLocalRepoBranchChanges(localPath, opts.Branch); err != nil {
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return fmt.Errorf("discardLocalRepoBranchChanges [branch: %s]: %v", opts.Branch, err)
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} else if err = repo.UpdateLocalCopyBranch(opts.Branch); err != nil {
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return fmt.Errorf("UpdateLocalCopyBranch [branch: %s]: %v", opts.Branch, err)
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}
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if err = os.Remove(path.Join(localPath, opts.TreePath)); err != nil {
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return fmt.Errorf("Remove: %v", err)
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}
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if len(opts.Message) == 0 {
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opts.Message = "Delete file '" + opts.TreePath + "'"
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}
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if err = git.AddChanges(localPath, true); err != nil {
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return fmt.Errorf("git add --all: %v", err)
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}
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signaure := doer.NewGitSig()
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if err = git.CommitChanges(localPath, opts.Message, signaure); err != nil {
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return fmt.Errorf("git commit -m %s --author='%s <%s>': %v", opts.Message, signaure.Name, signaure.Email, err)
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} else if err = git.Push(localPath, "origin", opts.Branch); err != nil {
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return fmt.Errorf("git push origin %s: %v", opts.Branch, err)
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}
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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log.Error(4, "OpenRepository: %v", err)
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return nil
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}
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commit, err := gitRepo.GetBranchCommit(opts.Branch)
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if err != nil {
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log.Error(4, "GetBranchCommit [branch: %s]: %v", opts.Branch, err)
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return nil
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}
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// Simulate push event.
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pushCommits := &PushCommits{
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Len: 1,
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Commits: []*PushCommit{CommitToPushCommit(commit)},
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}
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if err := CommitRepoAction(CommitRepoActionOptions{
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PusherName: doer.Name,
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RepoOwnerID: repo.MustOwner().ID,
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RepoName: repo.Name,
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RefFullName: git.BRANCH_PREFIX + opts.Branch,
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OldCommitID: opts.LastCommitID,
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NewCommitID: commit.ID.String(),
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Commits: pushCommits,
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}); err != nil {
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log.Error(4, "CommitRepoAction: %v", err)
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return nil
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}
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return nil
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}
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