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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repofiles
import (
"fmt"
"os"
"path"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/setting"
)
// UploadRepoFileOptions contains the uploaded repository file options
type UploadRepoFileOptions struct {
LastCommitID string
OldBranch string
NewBranch string
TreePath string
Message string
Files []string // In UUID format.
}
type uploadInfo struct {
upload *models.Upload
lfsMetaObject *models.LFSMetaObject
}
func cleanUpAfterFailure(infos *[]uploadInfo, t *TemporaryUploadRepository, original error) error {
for _, info := range *infos {
if info.lfsMetaObject == nil {
continue
}
if !info.lfsMetaObject.Existing {
if err := t.repo.RemoveLFSMetaObjectByOid(info.lfsMetaObject.Oid); err != nil {
original = fmt.Errorf("%v, %v", original, err)
}
}
}
return original
}
// UploadRepoFiles uploads files to the given repository
func UploadRepoFiles(repo *models.Repository, doer *models.User, opts *UploadRepoFileOptions) error {
if len(opts.Files) == 0 {
return nil
}
uploads, err := models.GetUploadsByUUIDs(opts.Files)
if err != nil {
return fmt.Errorf("GetUploadsByUUIDs [uuids: %v]: %v", opts.Files, err)
}
t, err := NewTemporaryUploadRepository(repo)
if err != nil {
return err
}
defer t.Close()
if err := t.Clone(opts.OldBranch); err != nil {
return err
}
if err := t.SetDefaultIndex(); err != nil {
return err
}
names := make([]string, len(uploads))
infos := make([]uploadInfo, len(uploads))
for i, upload := range uploads {
names[i] = upload.Name
infos[i] = uploadInfo{upload: upload}
}
filename2attribute2info, err := t.CheckAttribute("filter", names...)
if err != nil {
return err
}
// Copy uploaded files into repository.
for i, uploadInfo := range infos {
file, err := os.Open(uploadInfo.upload.LocalPath())
if err != nil {
return err
}
defer file.Close()
var objectHash string
if filename2attribute2info[uploadInfo.upload.Name] != nil && filename2attribute2info[uploadInfo.upload.Name]["filter"] == "lfs" {
// Handle LFS
// FIXME: Inefficient! this should probably happen in models.Upload
oid, err := models.GenerateLFSOid(file)
if err != nil {
return err
}
fileInfo, err := file.Stat()
if err != nil {
return err
}
uploadInfo.lfsMetaObject = &models.LFSMetaObject{Oid: oid, Size: fileInfo.Size(), RepositoryID: t.repo.ID}
if objectHash, err = t.HashObject(strings.NewReader(uploadInfo.lfsMetaObject.Pointer())); err != nil {
return err
}
infos[i] = uploadInfo
} else if objectHash, err = t.HashObject(file); err != nil {
return err
}
// Add the object to the index
if err := t.AddObjectToIndex("100644", objectHash, path.Join(opts.TreePath, uploadInfo.upload.Name)); err != nil {
return err
}
}
// Now write the tree
treeHash, err := t.WriteTree()
if err != nil {
return err
}
// make author and committer the doer
author := doer
committer := doer
// Now commit the tree
commitHash, err := t.CommitTree(author, committer, treeHash, opts.Message)
if err != nil {
return err
}
// Now deal with LFS objects
for _, uploadInfo := range infos {
if uploadInfo.lfsMetaObject == nil {
continue
}
uploadInfo.lfsMetaObject, err = models.NewLFSMetaObject(uploadInfo.lfsMetaObject)
if err != nil {
// OK Now we need to cleanup
return cleanUpAfterFailure(&infos, t, err)
}
// Don't move the files yet - we need to ensure that
// everything can be inserted first
}
// OK now we can insert the data into the store - there's no way to clean up the store
// once it's in there, it's in there.
contentStore := &lfs.ContentStore{BasePath: setting.LFS.ContentPath}
for _, uploadInfo := range infos {
if uploadInfo.lfsMetaObject == nil {
continue
}
if !contentStore.Exists(uploadInfo.lfsMetaObject) {
file, err := os.Open(uploadInfo.upload.LocalPath())
if err != nil {
return cleanUpAfterFailure(&infos, t, err)
}
defer file.Close()
// FIXME: Put regenerates the hash and copies the file over.
// I guess this strictly ensures the soundness of the store but this is inefficient.
if err := contentStore.Put(uploadInfo.lfsMetaObject, file); err != nil {
// OK Now we need to cleanup
// Can't clean up the store, once uploaded there they're there.
return cleanUpAfterFailure(&infos, t, err)
}
}
}
// Then push this tree to NewBranch
if err := t.Push(doer, commitHash, opts.NewBranch); err != nil {
return err
}
// Simulate push event.
oldCommitID := opts.LastCommitID
if opts.NewBranch != opts.OldBranch {
oldCommitID = git.EmptySHA
}
if err = repo.GetOwner(); err != nil {
return fmt.Errorf("GetOwner: %v", err)
}
err = PushUpdate(
repo,
opts.NewBranch,
models.PushUpdateOptions{
PusherID: doer.ID,
PusherName: doer.Name,
RepoUserName: repo.Owner.Name,
RepoName: repo.Name,
RefFullName: git.BranchPrefix + opts.NewBranch,
OldCommitID: oldCommitID,
NewCommitID: commitHash,
},
)
if err != nil {
return fmt.Errorf("PushUpdate: %v", err)
}
return models.DeleteUploads(uploads...)
}
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