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
|
module Gitlab
module GithubImport
class Importer
include Gitlab::ShellAdapter
attr_reader :client, :project, :repo, :repo_url
def initialize(project)
@project = project
@repo = project.import_source
@repo_url = project.import_url
if credentials
@client = Client.new(credentials[:user])
@formatter = Gitlab::ImportFormatter.new
else
raise Projects::ImportService::Error, "Unable to find project import data credentials for project ID: #{@project.id}"
end
end
def execute
import_labels && import_milestones && import_issues &&
import_pull_requests && import_wiki
end
private
def credentials
@credentials ||= project.import_data.credentials if project.import_data
end
def import_labels
labels = client.labels(repo, per_page: 100)
labels.each { |raw| LabelFormatter.new(project, raw).create! }
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_milestones
milestones = client.milestones(repo, state: :all, per_page: 100)
milestones.each { |raw| MilestoneFormatter.new(project, raw).create! }
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_issues
issues = client.issues(repo, state: :all, sort: :created, direction: :asc, per_page: 100)
issues.each do |raw|
gh_issue = IssueFormatter.new(project, raw)
if gh_issue.valid?
issue = gh_issue.create!
apply_labels(issue)
import_comments(issue) if gh_issue.has_comments?
end
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_pull_requests
pull_requests = client.pull_requests(repo, state: :all, sort: :created, direction: :asc, per_page: 100)
pull_requests = pull_requests.map { |raw| PullRequestFormatter.new(project, raw) }.select(&:valid?)
source_branches_removed = pull_requests.reject(&:source_branch_exists?).map { |pr| [pr.source_branch_name, pr.number] }
target_branches_removed = pull_requests.reject(&:target_branch_exists?).map { |pr| [pr.target_branch_name, pr.target_branch_sha] }
branches_removed = source_branches_removed | target_branches_removed
restore_source_branches(source_branches_removed)
restore_target_branches(target_branches_removed)
pull_requests.each do |pull_request|
merge_request = pull_request.create!
apply_labels(merge_request)
import_comments(merge_request)
import_comments_on_diff(merge_request)
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
ensure
clean_up_restored_branches(branches_removed)
end
def restore_source_branches(branches)
branches.each do |name, number|
project.repository.fetch_ref(repo_url, "pull/#{number}/head", name)
end
end
def restore_target_branches(branches)
branches.each do |name, sha|
project.repository.create_branch(name, sha)
end
end
def clean_up_restored_branches(branches)
branches.each do |name, _|
project.repository.delete_branch(name) rescue Rugged::ReferenceError
end
project.repository.after_remove_branch
end
def apply_labels(issuable)
issue = client.issue(repo, issuable.iid)
if issue.labels.count > 0
label_ids = issue.labels.map do |raw|
Label.find_by(LabelFormatter.new(project, raw).attributes).try(:id)
end
issuable.update_attribute(:label_ids, label_ids)
end
end
def import_comments(issuable)
comments = client.issue_comments(repo, issuable.iid, per_page: 100)
create_comments(issuable, comments)
end
def import_comments_on_diff(merge_request)
comments = client.pull_request_comments(repo, merge_request.iid, per_page: 100)
create_comments(merge_request, comments)
end
def create_comments(issuable, comments)
comments.each do |raw|
comment = CommentFormatter.new(project, raw)
issuable.notes.create!(comment.attributes)
end
end
def import_wiki
unless project.wiki_enabled?
wiki = WikiFormatter.new(project)
gitlab_shell.import_repository(project.repository_storage_path, wiki.path_with_namespace, wiki.import_url)
project.update_attribute(:wiki_enabled, true)
end
true
rescue Gitlab::Shell::Error => e
# GitHub error message when the wiki repo has not been created,
# this means that repo has wiki enabled, but have no pages. So,
# we can skip the import.
if e.message !~ /repository not exported/
raise Projects::ImportService::Error, e.message
else
true
end
end
end
end
end
|