mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-12 15:19:35 +08:00
25531c71a7
Fix #5997. If a push causes the patch/diff of a PR towards target branch to change, all existing reviews for the PR will be set and shown as stale. New branch protection option to dismiss stale approvals are added. To show that a review is not based on the latest PR changes, an hourglass is shown
665 lines
19 KiB
Go
665 lines
19 KiB
Go
// 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 repofiles
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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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"path"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/cache"
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"code.gitea.io/gitea/modules/charset"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/lfs"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/structs"
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pull_service "code.gitea.io/gitea/services/pull"
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stdcharset "golang.org/x/net/html/charset"
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"golang.org/x/text/transform"
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)
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// IdentityOptions for a person's identity like an author or committer
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type IdentityOptions struct {
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Name string
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Email string
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}
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// CommitDateOptions store dates for GIT_AUTHOR_DATE and GIT_COMMITTER_DATE
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type CommitDateOptions struct {
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Author time.Time
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Committer time.Time
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}
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// UpdateRepoFileOptions holds the repository file update options
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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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TreePath string
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FromTreePath string
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Message string
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Content string
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SHA string
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IsNewFile bool
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Author *IdentityOptions
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Committer *IdentityOptions
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Dates *CommitDateOptions
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}
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func detectEncodingAndBOM(entry *git.TreeEntry, repo *models.Repository) (string, bool) {
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reader, err := entry.Blob().DataAsync()
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if err != nil {
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// return default
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return "UTF-8", false
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}
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defer reader.Close()
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buf := make([]byte, 1024)
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n, err := reader.Read(buf)
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if err != nil {
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// return default
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return "UTF-8", false
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}
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buf = buf[:n]
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if setting.LFS.StartServer {
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meta := lfs.IsPointerFile(&buf)
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if meta != nil {
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meta, err = repo.GetLFSMetaObjectByOid(meta.Oid)
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if err != nil && err != models.ErrLFSObjectNotExist {
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// return default
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return "UTF-8", false
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}
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}
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if meta != nil {
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dataRc, err := lfs.ReadMetaObject(meta)
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if err != nil {
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// return default
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return "UTF-8", 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, err = dataRc.Read(buf)
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if err != nil {
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// return default
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return "UTF-8", false
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}
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buf = buf[:n]
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}
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}
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encoding, err := charset.DetectEncoding(buf)
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if err != nil {
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// just default to utf-8 and no bom
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return "UTF-8", false
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}
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if encoding == "UTF-8" {
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return encoding, bytes.Equal(buf[0:3], charset.UTF8BOM)
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}
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charsetEncoding, _ := stdcharset.Lookup(encoding)
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if charsetEncoding == nil {
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return "UTF-8", false
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}
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result, n, err := transform.String(charsetEncoding.NewDecoder(), string(buf))
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if err != nil {
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// return default
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return "UTF-8", false
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}
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if n > 2 {
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return encoding, bytes.Equal([]byte(result)[0:3], charset.UTF8BOM)
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}
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return encoding, false
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}
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// CreateOrUpdateRepoFile adds or updates a file in the given repository
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func CreateOrUpdateRepoFile(repo *models.Repository, doer *models.User, opts *UpdateRepoFileOptions) (*structs.FileResponse, error) {
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// If no branch name is set, assume master
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if opts.OldBranch == "" {
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opts.OldBranch = repo.DefaultBranch
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}
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if opts.NewBranch == "" {
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opts.NewBranch = opts.OldBranch
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}
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// oldBranch must exist for this operation
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if _, err := repo.GetBranch(opts.OldBranch); err != nil {
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return nil, err
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}
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// A NewBranch can be specified for the file to be created/updated in a new branch.
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// Check to make sure the branch does not already exist, otherwise we can't proceed.
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// If we aren't branching to a new branch, make sure user can commit to the given branch
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if opts.NewBranch != opts.OldBranch {
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existingBranch, err := repo.GetBranch(opts.NewBranch)
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if existingBranch != nil {
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return nil, models.ErrBranchAlreadyExists{
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BranchName: opts.NewBranch,
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}
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}
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if err != nil && !git.IsErrBranchNotExist(err) {
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return nil, err
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}
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} else if protected, _ := repo.IsProtectedBranchForPush(opts.OldBranch, doer); protected {
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return nil, models.ErrUserCannotCommit{UserName: doer.LowerName}
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}
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// If FromTreePath is not set, set it to the opts.TreePath
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if opts.TreePath != "" && opts.FromTreePath == "" {
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opts.FromTreePath = opts.TreePath
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}
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// Check that the path given in opts.treePath is valid (not a git path)
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treePath := CleanUploadFileName(opts.TreePath)
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if treePath == "" {
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return nil, models.ErrFilenameInvalid{
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Path: opts.TreePath,
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}
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}
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// If there is a fromTreePath (we are copying it), also clean it up
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fromTreePath := CleanUploadFileName(opts.FromTreePath)
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if fromTreePath == "" && opts.FromTreePath != "" {
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return nil, models.ErrFilenameInvalid{
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Path: opts.FromTreePath,
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}
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}
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message := strings.TrimSpace(opts.Message)
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author, committer := GetAuthorAndCommitterUsers(opts.Author, opts.Committer, doer)
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t, err := NewTemporaryUploadRepository(repo)
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if err != nil {
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log.Error("%v", err)
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}
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defer t.Close()
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if err := t.Clone(opts.OldBranch); err != nil {
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return nil, err
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}
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if err := t.SetDefaultIndex(); err != nil {
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return nil, err
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}
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// Get the commit of the original branch
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commit, err := t.GetBranchCommit(opts.OldBranch)
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if err != nil {
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return nil, err // Couldn't get a commit for the branch
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}
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// Assigned LastCommitID in opts if it hasn't been set
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if opts.LastCommitID == "" {
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opts.LastCommitID = commit.ID.String()
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} else {
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lastCommitID, err := t.gitRepo.ConvertToSHA1(opts.LastCommitID)
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if err != nil {
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return nil, fmt.Errorf("DeleteRepoFile: Invalid last commit ID: %v", err)
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}
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opts.LastCommitID = lastCommitID.String()
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}
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encoding := "UTF-8"
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bom := false
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if !opts.IsNewFile {
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fromEntry, err := commit.GetTreeEntryByPath(fromTreePath)
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if err != nil {
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return nil, err
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}
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if opts.SHA != "" {
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// If a SHA was given and the SHA given doesn't match the SHA of the fromTreePath, throw error
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if opts.SHA != fromEntry.ID.String() {
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return nil, models.ErrSHADoesNotMatch{
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Path: treePath,
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GivenSHA: opts.SHA,
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CurrentSHA: fromEntry.ID.String(),
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}
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}
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} else if opts.LastCommitID != "" {
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// If a lastCommitID was given and it doesn't match the commitID of the head of the branch throw
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// an error, but only if we aren't creating a new branch.
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if commit.ID.String() != opts.LastCommitID && opts.OldBranch == opts.NewBranch {
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if changed, err := commit.FileChangedSinceCommit(treePath, opts.LastCommitID); err != nil {
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return nil, err
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} else if changed {
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return nil, models.ErrCommitIDDoesNotMatch{
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GivenCommitID: opts.LastCommitID,
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CurrentCommitID: opts.LastCommitID,
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}
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}
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// The file wasn't modified, so we are good to delete it
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}
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} else {
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// When updating a file, a lastCommitID or SHA needs to be given to make sure other commits
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// haven't been made. We throw an error if one wasn't provided.
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return nil, models.ErrSHAOrCommitIDNotProvided{}
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}
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encoding, bom = detectEncodingAndBOM(fromEntry, repo)
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}
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// For the path where this file will be created/updated, we need to make
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// sure no parts of the path are existing files or links except for the last
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// item in the path which is the file name, and that shouldn't exist IF it is
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// a new file OR is being moved to a new path.
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treePathParts := strings.Split(treePath, "/")
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subTreePath := ""
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for index, part := range treePathParts {
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subTreePath = path.Join(subTreePath, part)
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entry, err := commit.GetTreeEntryByPath(subTreePath)
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if err != nil {
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if git.IsErrNotExist(err) {
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// Means there is no item with that name, so we're good
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break
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}
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return nil, err
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}
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if index < len(treePathParts)-1 {
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if !entry.IsDir() {
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return nil, models.ErrFilePathInvalid{
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Message: fmt.Sprintf("a file exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
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Path: subTreePath,
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Name: part,
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Type: git.EntryModeBlob,
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}
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}
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} else if entry.IsLink() {
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return nil, models.ErrFilePathInvalid{
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Message: fmt.Sprintf("a symbolic link exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
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Path: subTreePath,
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Name: part,
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Type: git.EntryModeSymlink,
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}
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} else if entry.IsDir() {
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return nil, models.ErrFilePathInvalid{
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Message: fmt.Sprintf("a directory exists where you’re trying to create a file [path: %s]", subTreePath),
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Path: subTreePath,
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Name: part,
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Type: git.EntryModeTree,
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}
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} else if fromTreePath != treePath || opts.IsNewFile {
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// The entry shouldn't exist if we are creating new file or moving to a new path
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return nil, models.ErrRepoFileAlreadyExists{
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Path: treePath,
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}
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}
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}
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// Get the two paths (might be the same if not moving) from the index if they exist
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filesInIndex, err := t.LsFiles(opts.TreePath, opts.FromTreePath)
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if err != nil {
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return nil, fmt.Errorf("UpdateRepoFile: %v", err)
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}
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// If is a new file (not updating) then the given path shouldn't exist
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if opts.IsNewFile {
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for _, file := range filesInIndex {
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if file == opts.TreePath {
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return nil, models.ErrRepoFileAlreadyExists{
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Path: opts.TreePath,
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}
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}
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}
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}
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// Remove the old path from the tree
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if fromTreePath != treePath && len(filesInIndex) > 0 {
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for _, file := range filesInIndex {
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if file == fromTreePath {
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if err := t.RemoveFilesFromIndex(opts.FromTreePath); err != nil {
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return nil, err
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}
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}
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}
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}
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content := opts.Content
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if bom {
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content = string(charset.UTF8BOM) + content
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}
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if encoding != "UTF-8" {
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charsetEncoding, _ := stdcharset.Lookup(encoding)
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if charsetEncoding != nil {
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result, _, err := transform.String(charsetEncoding.NewEncoder(), content)
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if err != nil {
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// Look if we can't encode back in to the original we should just stick with utf-8
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log.Error("Error re-encoding %s (%s) as %s - will stay as UTF-8: %v", opts.TreePath, opts.FromTreePath, encoding, err)
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result = content
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}
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content = result
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} else {
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log.Error("Unknown encoding: %s", encoding)
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}
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}
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// Reset the opts.Content to our adjusted content to ensure that LFS gets the correct content
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opts.Content = content
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var lfsMetaObject *models.LFSMetaObject
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if setting.LFS.StartServer {
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// Check there is no way this can return multiple infos
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filename2attribute2info, err := t.CheckAttribute("filter", treePath)
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if err != nil {
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return nil, err
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}
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if filename2attribute2info[treePath] != nil && filename2attribute2info[treePath]["filter"] == "lfs" {
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// OK so we are supposed to LFS this data!
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oid, err := models.GenerateLFSOid(strings.NewReader(opts.Content))
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if err != nil {
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return nil, err
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}
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lfsMetaObject = &models.LFSMetaObject{Oid: oid, Size: int64(len(opts.Content)), RepositoryID: repo.ID}
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content = lfsMetaObject.Pointer()
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}
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}
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// Add the object to the database
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objectHash, err := t.HashObject(strings.NewReader(content))
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if err != nil {
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return nil, err
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}
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// Add the object to the index
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if err := t.AddObjectToIndex("100644", objectHash, treePath); err != nil {
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return nil, err
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}
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// Now write the tree
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treeHash, err := t.WriteTree()
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if err != nil {
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return nil, err
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}
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// Now commit the tree
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var commitHash string
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if opts.Dates != nil {
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commitHash, err = t.CommitTreeWithDate(author, committer, treeHash, message, opts.Dates.Author, opts.Dates.Committer)
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} else {
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commitHash, err = t.CommitTree(author, committer, treeHash, message)
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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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if lfsMetaObject != nil {
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// We have an LFS object - create it
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lfsMetaObject, err = models.NewLFSMetaObject(lfsMetaObject)
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if err != nil {
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return nil, err
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}
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contentStore := &lfs.ContentStore{BasePath: setting.LFS.ContentPath}
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if !contentStore.Exists(lfsMetaObject) {
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if err := contentStore.Put(lfsMetaObject, strings.NewReader(opts.Content)); err != nil {
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if _, err2 := repo.RemoveLFSMetaObjectByOid(lfsMetaObject.Oid); err2 != nil {
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return nil, fmt.Errorf("Error whilst removing failed inserted LFS object %s: %v (Prev Error: %v)", lfsMetaObject.Oid, err2, err)
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}
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return nil, err
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}
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}
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}
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// Then push this tree to NewBranch
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if err := t.Push(doer, commitHash, opts.NewBranch); err != nil {
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return nil, err
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}
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commit, err = t.GetCommit(commitHash)
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if err != nil {
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return nil, err
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}
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file, err := GetFileResponseFromCommit(repo, commit, opts.NewBranch, treePath)
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if err != nil {
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return nil, err
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}
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return file, nil
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}
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// PushUpdateOptions defines the push update options
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type PushUpdateOptions struct {
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PusherID int64
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PusherName string
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RepoUserName string
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RepoName string
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RefFullName string
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OldCommitID string
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NewCommitID string
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Branch string
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}
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// PushUpdate must be called for any push actions in order to
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// generates necessary push action history feeds and other operations
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func PushUpdate(repo *models.Repository, branch string, opts PushUpdateOptions) error {
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isNewRef := opts.OldCommitID == git.EmptySHA
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isDelRef := opts.NewCommitID == git.EmptySHA
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if isNewRef && isDelRef {
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return fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
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}
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repoPath := models.RepoPath(opts.RepoUserName, opts.RepoName)
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_, err := git.NewCommand("update-server-info").RunInDir(repoPath)
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if err != nil {
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return fmt.Errorf("Failed to call 'git update-server-info': %v", err)
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}
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gitRepo, err := git.OpenRepository(repoPath)
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if err != nil {
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return fmt.Errorf("OpenRepository: %v", err)
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}
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defer gitRepo.Close()
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if err = repo.UpdateSize(); err != nil {
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log.Error("Failed to update size for repository: %v", err)
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}
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commitRepoActionOptions, err := createCommitRepoActionOption(repo, gitRepo, &opts)
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if err != nil {
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return err
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}
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if err := CommitRepoAction(commitRepoActionOptions); err != nil {
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return fmt.Errorf("CommitRepoAction: %v", err)
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}
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pusher, err := models.GetUserByID(opts.PusherID)
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if err != nil {
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return err
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}
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log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
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go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
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if err = models.WatchIfAuto(opts.PusherID, repo.ID, true); err != nil {
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log.Warn("Fail to perform auto watch on user %v for repo %v: %v", opts.PusherID, repo.ID, err)
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}
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return nil
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}
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// PushUpdates generates push action history feeds for push updating multiple refs
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func PushUpdates(repo *models.Repository, optsList []*PushUpdateOptions) error {
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repoPath := repo.RepoPath()
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_, err := git.NewCommand("update-server-info").RunInDir(repoPath)
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if err != nil {
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return fmt.Errorf("Failed to call 'git update-server-info': %v", err)
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}
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gitRepo, err := git.OpenRepository(repoPath)
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if err != nil {
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return fmt.Errorf("OpenRepository: %v", err)
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}
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if err = repo.UpdateSize(); err != nil {
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log.Error("Failed to update size for repository: %v", err)
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}
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actions, err := createCommitRepoActions(repo, gitRepo, optsList)
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if err != nil {
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return err
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}
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if err := CommitRepoAction(actions...); err != nil {
|
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return fmt.Errorf("CommitRepoAction: %v", err)
|
||
}
|
||
|
||
var pusher *models.User
|
||
|
||
for _, opts := range optsList {
|
||
if pusher == nil || pusher.ID != opts.PusherID {
|
||
var err error
|
||
pusher, err = models.GetUserByID(opts.PusherID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
if opts.NewCommitID != git.EmptySHA {
|
||
if err = models.RemoveDeletedBranch(repo.ID, opts.Branch); err != nil {
|
||
log.Error("models.RemoveDeletedBranch %s/%s failed: %v", repo.ID, opts.Branch, err)
|
||
}
|
||
}
|
||
|
||
log.Trace("TriggerTask '%s/%s' by %s", repo.Name, opts.Branch, pusher.Name)
|
||
|
||
go pull_service.AddTestPullRequestTask(pusher, repo.ID, opts.Branch, true, opts.OldCommitID, opts.NewCommitID)
|
||
|
||
if err = models.WatchIfAuto(opts.PusherID, repo.ID, true); err != nil {
|
||
log.Warn("Fail to perform auto watch on user %v for repo %v: %v", opts.PusherID, repo.ID, err)
|
||
}
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
func createCommitRepoActions(repo *models.Repository, gitRepo *git.Repository, optsList []*PushUpdateOptions) ([]*CommitRepoActionOptions, error) {
|
||
addTags := make([]string, 0, len(optsList))
|
||
delTags := make([]string, 0, len(optsList))
|
||
actions := make([]*CommitRepoActionOptions, 0, len(optsList))
|
||
|
||
for _, opts := range optsList {
|
||
isNewRef := opts.OldCommitID == git.EmptySHA
|
||
isDelRef := opts.NewCommitID == git.EmptySHA
|
||
if isNewRef && isDelRef {
|
||
return nil, fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
|
||
}
|
||
var commits = &models.PushCommits{}
|
||
if strings.HasPrefix(opts.RefFullName, git.TagPrefix) {
|
||
// If is tag reference
|
||
tagName := opts.RefFullName[len(git.TagPrefix):]
|
||
if isDelRef {
|
||
delTags = append(delTags, tagName)
|
||
} else {
|
||
cache.Remove(repo.GetCommitsCountCacheKey(tagName, true))
|
||
addTags = append(addTags, tagName)
|
||
}
|
||
} else if !isDelRef {
|
||
// If is branch reference
|
||
|
||
// Clear cache for branch commit count
|
||
cache.Remove(repo.GetCommitsCountCacheKey(opts.RefFullName[len(git.BranchPrefix):], true))
|
||
|
||
newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("gitRepo.GetCommit: %v", err)
|
||
}
|
||
|
||
// Push new branch.
|
||
var l *list.List
|
||
if isNewRef {
|
||
l, err = newCommit.CommitsBeforeLimit(10)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("newCommit.CommitsBeforeLimit: %v", err)
|
||
}
|
||
} else {
|
||
l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("newCommit.CommitsBeforeUntil: %v", err)
|
||
}
|
||
}
|
||
|
||
commits = models.ListToPushCommits(l)
|
||
}
|
||
actions = append(actions, &CommitRepoActionOptions{
|
||
PusherName: opts.PusherName,
|
||
RepoOwnerID: repo.OwnerID,
|
||
RepoName: repo.Name,
|
||
RefFullName: opts.RefFullName,
|
||
OldCommitID: opts.OldCommitID,
|
||
NewCommitID: opts.NewCommitID,
|
||
Commits: commits,
|
||
})
|
||
}
|
||
if err := models.PushUpdateAddDeleteTags(repo, gitRepo, addTags, delTags); err != nil {
|
||
return nil, fmt.Errorf("PushUpdateAddDeleteTags: %v", err)
|
||
}
|
||
return actions, nil
|
||
}
|
||
|
||
func createCommitRepoActionOption(repo *models.Repository, gitRepo *git.Repository, opts *PushUpdateOptions) (*CommitRepoActionOptions, error) {
|
||
isNewRef := opts.OldCommitID == git.EmptySHA
|
||
isDelRef := opts.NewCommitID == git.EmptySHA
|
||
if isNewRef && isDelRef {
|
||
return nil, fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
|
||
}
|
||
|
||
var commits = &models.PushCommits{}
|
||
if strings.HasPrefix(opts.RefFullName, git.TagPrefix) {
|
||
// If is tag reference
|
||
tagName := opts.RefFullName[len(git.TagPrefix):]
|
||
if isDelRef {
|
||
if err := models.PushUpdateDeleteTag(repo, tagName); err != nil {
|
||
return nil, fmt.Errorf("PushUpdateDeleteTag: %v", err)
|
||
}
|
||
} else {
|
||
// Clear cache for tag commit count
|
||
cache.Remove(repo.GetCommitsCountCacheKey(tagName, true))
|
||
if err := models.PushUpdateAddTag(repo, gitRepo, tagName); err != nil {
|
||
return nil, fmt.Errorf("PushUpdateAddTag: %v", err)
|
||
}
|
||
}
|
||
} else if !isDelRef {
|
||
// If is branch reference
|
||
|
||
// Clear cache for branch commit count
|
||
cache.Remove(repo.GetCommitsCountCacheKey(opts.RefFullName[len(git.BranchPrefix):], true))
|
||
|
||
newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("gitRepo.GetCommit: %v", err)
|
||
}
|
||
|
||
// Push new branch.
|
||
var l *list.List
|
||
if isNewRef {
|
||
l, err = newCommit.CommitsBeforeLimit(10)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("newCommit.CommitsBeforeLimit: %v", err)
|
||
}
|
||
} else {
|
||
l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("newCommit.CommitsBeforeUntil: %v", err)
|
||
}
|
||
}
|
||
|
||
commits = models.ListToPushCommits(l)
|
||
}
|
||
|
||
return &CommitRepoActionOptions{
|
||
PusherName: opts.PusherName,
|
||
RepoOwnerID: repo.OwnerID,
|
||
RepoName: repo.Name,
|
||
RefFullName: opts.RefFullName,
|
||
OldCommitID: opts.OldCommitID,
|
||
NewCommitID: opts.NewCommitID,
|
||
Commits: commits,
|
||
}, nil
|
||
}
|