1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package files
import (
"context"
"fmt"
"os"
"path"
"strings"
git_model "code.gitea.io/gitea/models/git"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"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.
Signoff bool
}
type uploadInfo struct {
upload *repo_model.Upload
lfsMetaObject *git_model.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 := git_model.RemoveLFSMetaObjectByOid(t.repo.ID, info.lfsMetaObject.Oid); err != nil {
original = fmt.Errorf("%w, %v", original, err) // We wrap the original error - as this is the underlying error that required the fallback
}
}
}
return original
}
// UploadRepoFiles uploads files to the given repository
func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, opts *UploadRepoFileOptions) error {
if len(opts.Files) == 0 {
return nil
}
uploads, err := repo_model.GetUploadsByUUIDs(opts.Files)
if err != nil {
return fmt.Errorf("GetUploadsByUUIDs [uuids: %v]: %w", opts.Files, err)
}
names := make([]string, len(uploads))
infos := make([]uploadInfo, len(uploads))
for i, upload := range uploads {
// Check file is not lfs locked, will return nil if lock setting not enabled
filepath := path.Join(opts.TreePath, upload.Name)
lfsLock, err := git_model.GetTreePathLock(repo.ID, filepath)
if err != nil {
return err
}
if lfsLock != nil && lfsLock.OwnerID != doer.ID {
u, err := user_model.GetUserByID(ctx, lfsLock.OwnerID)
if err != nil {
return err
}
return git_model.ErrLFSFileLocked{RepoID: repo.ID, Path: filepath, UserName: u.Name}
}
names[i] = upload.Name
infos[i] = uploadInfo{upload: upload}
}
t, err := NewTemporaryUploadRepository(ctx, 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
}
var filename2attribute2info map[string]map[string]string
if setting.LFS.StartServer {
filename2attribute2info, err = t.gitRepo.CheckAttribute(git.CheckAttributeOpts{
Attributes: []git.CmdArg{"filter"},
Filenames: names,
CachedOnly: true,
})
if err != nil {
return err
}
}
// Copy uploaded files into repository.
for i := range infos {
if err := copyUploadedLFSFileIntoRepository(&infos[i], filename2attribute2info, t, opts.TreePath); 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(opts.LastCommitID, author, committer, treeHash, opts.Message, opts.Signoff)
if err != nil {
return err
}
// Now deal with LFS objects
for i := range infos {
if infos[i].lfsMetaObject == nil {
continue
}
infos[i].lfsMetaObject, err = git_model.NewLFSMetaObject(infos[i].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.NewContentStore()
for _, info := range infos {
if err := uploadToLFSContentStore(info, contentStore); err != nil {
return cleanUpAfterFailure(&infos, t, err)
}
}
// Then push this tree to NewBranch
if err := t.Push(doer, commitHash, opts.NewBranch); err != nil {
return err
}
return repo_model.DeleteUploads(uploads...)
}
func copyUploadedLFSFileIntoRepository(info *uploadInfo, filename2attribute2info map[string]map[string]string, t *TemporaryUploadRepository, treePath string) error {
file, err := os.Open(info.upload.LocalPath())
if err != nil {
return err
}
defer file.Close()
var objectHash string
if setting.LFS.StartServer && filename2attribute2info[info.upload.Name] != nil && filename2attribute2info[info.upload.Name]["filter"] == "lfs" {
// Handle LFS
// FIXME: Inefficient! this should probably happen in models.Upload
pointer, err := lfs.GeneratePointer(file)
if err != nil {
return err
}
info.lfsMetaObject = &git_model.LFSMetaObject{Pointer: pointer, RepositoryID: t.repo.ID}
if objectHash, err = t.HashObject(strings.NewReader(pointer.StringContent())); err != nil {
return err
}
} else if objectHash, err = t.HashObject(file); err != nil {
return err
}
// Add the object to the index
return t.AddObjectToIndex("100644", objectHash, path.Join(treePath, info.upload.Name))
}
func uploadToLFSContentStore(info uploadInfo, contentStore *lfs.ContentStore) error {
if info.lfsMetaObject == nil {
return nil
}
exist, err := contentStore.Exists(info.lfsMetaObject.Pointer)
if err != nil {
return err
}
if !exist {
file, err := os.Open(info.upload.LocalPath())
if err != nil {
return 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(info.lfsMetaObject.Pointer, file); err != nil {
// OK Now we need to cleanup
// Can't clean up the store, once uploaded there they're there.
return err
}
}
return nil
}
|
