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In investigating #7947 it has become clear that the storage component of go-git repositories needs closing. This PR adds this Close function and adds the Close functions as necessary. In TransferOwnership the ctx.Repo.GitRepo is closed if it is open to help prevent the risk of multiple open files. Fixes #7947
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2.3 KiB
date | title | slug | weight | toc | draft | menu | ||||||||||
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2019-04-15T17:29:00+08:00 | Advanced: Migrations Interfaces | migrations-interfaces | 30 | true | false |
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Migration Features
The new migration features were introduced in Gitea 1.9.0. It defines two interfaces to support migrating repositories data from other git host platforms to gitea or, in the future migrating gitea data to other git host platforms. Currently, only the migrations from github via APIv3 to Gitea is implemented.
First of all, Gitea defines some standard objects in packages modules/migrations/base
. They are
Repository
, Milestone
, Release
, Label
, Issue
, Comment
, PullRequest
.
Downloader Interfaces
To migrate from a new git host platform, there are two steps to be updated.
- You should implement a
Downloader
which will get all kinds of repository informations. - You should implement a
DownloaderFactory
which is used to detect if the URL matches and create a Downloader. - You'll need to register the
DownloaderFactory
viaRegisterDownloaderFactory
on init.
type Downloader interface {
GetRepoInfo() (*Repository, error)
GetTopics() ([]string, error)
GetMilestones() ([]*Milestone, error)
GetReleases() ([]*Release, error)
GetLabels() ([]*Label, error)
GetIssues(start, limit int) ([]*Issue, error)
GetComments(issueNumber int64) ([]*Comment, error)
GetPullRequests(start, limit int) ([]*PullRequest, error)
}
type DownloaderFactory interface {
Match(opts MigrateOptions) (bool, error)
New(opts MigrateOptions) (Downloader, error)
}
Uploader Interface
Currently, only a GiteaLocalUploader
is implemented, so we only save downloaded
data via this Uploader
on the local Gitea instance. Other uploaders are not supported
and will be implemented in future.
// Uploader uploads all the informations
type Uploader interface {
CreateRepo(repo *Repository, includeWiki bool) error
CreateMilestone(milestone *Milestone) error
CreateRelease(release *Release) error
CreateLabel(label *Label) error
CreateIssue(issue *Issue) error
CreateComment(issueNumber int64, comment *Comment) error
CreatePullRequest(pr *PullRequest) error
Rollback() error
Close()
}