forgejo/modules/migrations/restore.go
Lunny Xiao dd08853b10
Dump github/gitlab/gitea repository data to a local directory and restore to gitea (#12244)
* Dump github/gitlab repository data to a local directory

* Fix lint

* Adjust directory structure

* Allow migration special units

* Allow migration ignore release assets

* Fix lint

* Add restore repository

* stage the changes

* Merge

* Fix lint

* Update the interface

* Add some restore methods

* Finish restore

* Add comments

* Fix restore

* Add a token flag

* Fix bug

* Fix test

* Fix test

* Fix bug

* Fix bug

* Fix lint

* Fix restore

* refactor downloader

* fmt

* Fix bug isEnd detection on getIssues

* Refactor maxPerPage

* Remove unused codes

* Remove unused codes

* Fix bug

* Fix restore

* Fix dump

* Uploader should not depend downloader

* use release attachment name but not id

* Fix restore bug

* Fix lint

* Fix restore bug

* Add a method of DownloadFunc for base.Release to make uploader not depend on downloader

* fix Release yml marshal

* Fix trace information

* Fix bug when dump & restore

* Save relative path on yml file

* Fix bug

* Use relative path

* Update docs

* Use git service string but not int

* Recognize clone addr to service type
2020-12-27 11:34:19 +08:00

276 lines
6 KiB
Go

// Copyright 2020 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 migrations
import (
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"code.gitea.io/gitea/modules/migrations/base"
"gopkg.in/yaml.v2"
)
// RepositoryRestorer implements an Downloader from the local directory
type RepositoryRestorer struct {
ctx context.Context
baseDir string
repoOwner string
repoName string
}
// NewRepositoryRestorer creates a repository restorer which could restore repository from a dumped folder
func NewRepositoryRestorer(ctx context.Context, baseDir string, owner, repoName string) (*RepositoryRestorer, error) {
baseDir, err := filepath.Abs(baseDir)
if err != nil {
return nil, err
}
return &RepositoryRestorer{
ctx: ctx,
baseDir: baseDir,
repoOwner: owner,
repoName: repoName,
}, nil
}
func (r *RepositoryRestorer) commentDir() string {
return filepath.Join(r.baseDir, "comments")
}
func (r *RepositoryRestorer) reviewDir() string {
return filepath.Join(r.baseDir, "reviews")
}
// SetContext set context
func (r *RepositoryRestorer) SetContext(ctx context.Context) {
r.ctx = ctx
}
// GetRepoInfo returns a repository information
func (r *RepositoryRestorer) GetRepoInfo() (*base.Repository, error) {
p := filepath.Join(r.baseDir, "repo.yml")
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
var opts = make(map[string]string)
err = yaml.Unmarshal(bs, &opts)
if err != nil {
return nil, err
}
isPrivate, _ := strconv.ParseBool(opts["is_private"])
return &base.Repository{
Owner: r.repoOwner,
Name: r.repoName,
IsPrivate: isPrivate,
Description: opts["description"],
OriginalURL: opts["original_url"],
CloneURL: opts["clone_addr"],
DefaultBranch: opts["default_branch"],
}, nil
}
// GetTopics return github topics
func (r *RepositoryRestorer) GetTopics() ([]string, error) {
p := filepath.Join(r.baseDir, "topic.yml")
var topics = struct {
Topics []string `yaml:"topics"`
}{}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &topics)
if err != nil {
return nil, err
}
return topics.Topics, nil
}
// GetMilestones returns milestones
func (r *RepositoryRestorer) GetMilestones() ([]*base.Milestone, error) {
var milestones = make([]*base.Milestone, 0, 10)
p := filepath.Join(r.baseDir, "milestone.yml")
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, nil
}
return nil, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &milestones)
if err != nil {
return nil, err
}
return milestones, nil
}
// GetReleases returns releases
func (r *RepositoryRestorer) GetReleases() ([]*base.Release, error) {
var releases = make([]*base.Release, 0, 10)
p := filepath.Join(r.baseDir, "release.yml")
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, nil
}
return nil, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &releases)
if err != nil {
return nil, err
}
for _, rel := range releases {
for _, asset := range rel.Assets {
*asset.DownloadURL = "file://" + filepath.Join(r.baseDir, *asset.DownloadURL)
}
}
return releases, nil
}
// GetLabels returns labels
func (r *RepositoryRestorer) GetLabels() ([]*base.Label, error) {
var labels = make([]*base.Label, 0, 10)
p := filepath.Join(r.baseDir, "label.yml")
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, nil
}
return nil, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &labels)
if err != nil {
return nil, err
}
return labels, nil
}
// GetIssues returns issues according start and limit
func (r *RepositoryRestorer) GetIssues(page, perPage int) ([]*base.Issue, bool, error) {
var issues = make([]*base.Issue, 0, 10)
p := filepath.Join(r.baseDir, "issue.yml")
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, true, nil
}
return nil, false, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, false, err
}
err = yaml.Unmarshal(bs, &issues)
if err != nil {
return nil, false, err
}
return issues, true, nil
}
// GetComments returns comments according issueNumber
func (r *RepositoryRestorer) GetComments(issueNumber int64) ([]*base.Comment, error) {
var comments = make([]*base.Comment, 0, 10)
p := filepath.Join(r.commentDir(), fmt.Sprintf("%d.yml", issueNumber))
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, nil
}
return nil, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &comments)
if err != nil {
return nil, err
}
return comments, nil
}
// GetPullRequests returns pull requests according page and perPage
func (r *RepositoryRestorer) GetPullRequests(page, perPage int) ([]*base.PullRequest, bool, error) {
var pulls = make([]*base.PullRequest, 0, 10)
p := filepath.Join(r.baseDir, "pull_request.yml")
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, true, nil
}
return nil, false, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, false, err
}
err = yaml.Unmarshal(bs, &pulls)
if err != nil {
return nil, false, err
}
for _, pr := range pulls {
pr.PatchURL = "file://" + filepath.Join(r.baseDir, pr.PatchURL)
}
return pulls, true, nil
}
// GetReviews returns pull requests review
func (r *RepositoryRestorer) GetReviews(pullRequestNumber int64) ([]*base.Review, error) {
var reviews = make([]*base.Review, 0, 10)
p := filepath.Join(r.reviewDir(), fmt.Sprintf("%d.yml", pullRequestNumber))
_, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
return nil, nil
}
return nil, err
}
bs, err := ioutil.ReadFile(p)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(bs, &reviews)
if err != nil {
return nil, err
}
return reviews, nil
}