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
|
// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package files
import (
"context"
"fmt"
"strings"
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/log"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/services/pull"
)
// ErrCommitIDDoesNotMatch represents a "CommitIDDoesNotMatch" kind of error.
type ErrCommitIDDoesNotMatch struct {
GivenCommitID string
CurrentCommitID string
}
// IsErrCommitIDDoesNotMatch checks if an error is a ErrCommitIDDoesNotMatch.
func IsErrCommitIDDoesNotMatch(err error) bool {
_, ok := err.(ErrCommitIDDoesNotMatch)
return ok
}
func (err ErrCommitIDDoesNotMatch) Error() string {
return fmt.Sprintf("file CommitID does not match [given: %s, expected: %s]", err.GivenCommitID, err.CurrentCommitID)
}
// CherryPick cherrypicks or reverts a commit to the given repository
func CherryPick(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, revert bool, opts *ApplyDiffPatchOptions) (*structs.FileResponse, error) {
if err := opts.Validate(ctx, repo, doer); err != nil {
return nil, err
}
message := strings.TrimSpace(opts.Message)
author, committer := GetAuthorAndCommitterUsers(opts.Author, opts.Committer, doer)
t, err := NewTemporaryUploadRepository(ctx, repo)
if err != nil {
log.Error("NewTemporaryUploadRepository failed: %v", err)
}
defer t.Close()
if err := t.Clone(opts.OldBranch, false); err != nil {
return nil, err
}
if err := t.SetDefaultIndex(); err != nil {
return nil, err
}
if err := t.RefreshIndex(); err != nil {
return nil, err
}
// Get the commit of the original branch
commit, err := t.GetBranchCommit(opts.OldBranch)
if err != nil {
return nil, err // Couldn't get a commit for the branch
}
// Assigned LastCommitID in opts if it hasn't been set
if opts.LastCommitID == "" {
opts.LastCommitID = commit.ID.String()
} else {
lastCommitID, err := t.gitRepo.ConvertToGitID(opts.LastCommitID)
if err != nil {
return nil, fmt.Errorf("CherryPick: Invalid last commit ID: %w", err)
}
opts.LastCommitID = lastCommitID.String()
if commit.ID.String() != opts.LastCommitID {
return nil, ErrCommitIDDoesNotMatch{
GivenCommitID: opts.LastCommitID,
CurrentCommitID: opts.LastCommitID,
}
}
}
commit, err = t.GetCommit(strings.TrimSpace(opts.Content))
if err != nil {
return nil, err
}
parent, err := commit.ParentID(0)
if err != nil {
parent = git.ObjectFormatFromName(repo.ObjectFormatName).EmptyTree()
}
base, right := parent.String(), commit.ID.String()
if revert {
right, base = base, right
}
description := fmt.Sprintf("CherryPick %s onto %s", right, opts.OldBranch)
conflict, _, err := pull.AttemptThreeWayMerge(ctx,
t.basePath, t.gitRepo, base, opts.LastCommitID, right, description)
if err != nil {
return nil, fmt.Errorf("failed to three-way merge %s onto %s: %w", right, opts.OldBranch, err)
}
if conflict {
return nil, fmt.Errorf("failed to merge due to conflicts")
}
treeHash, err := t.WriteTree()
if err != nil {
// likely non-sensical tree due to merge conflicts...
return nil, err
}
// Now commit the tree
var commitHash string
if opts.Dates != nil {
commitHash, err = t.CommitTreeWithDate("HEAD", author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
} else {
commitHash, err = t.CommitTree("HEAD", author, committer, treeHash, message, opts.Signoff)
}
if err != nil {
return nil, err
}
// Then push this tree to NewBranch
if err := t.Push(doer, commitHash, opts.NewBranch); err != nil {
return nil, err
}
commit, err = t.GetCommit(commitHash)
if err != nil {
return nil, err
}
fileCommitResponse, _ := GetFileCommitResponse(repo, commit) // ok if fails, then will be nil
verification := GetPayloadCommitVerification(ctx, commit)
fileResponse := &structs.FileResponse{
Commit: fileCommitResponse,
Verification: verification,
}
return fileResponse, nil
}
|
