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* add migrations * fix package dependency * fix lints * implements migrations except pull requests * add releases * migrating releases * fix bug * fix lint * fix migrate releases * fix tests * add rollback * pull request migtations * fix import * fix go module vendor * add tests for upload to gitea * more migrate options * fix swagger-check * fix misspell * add options on migration UI * fix log error * improve UI options on migrating * add support for username password when migrating from github * fix tests * remove comments and fix migrate limitation * improve error handles * migrate API will also support migrate milestones/labels/issues/pulls/releases * fix tests and remove unused codes * add DownloaderFactory and docs about how to create a new Downloader * fix misspell * fix migration docs * Add hints about migrate options on migration page * fix tests
72 lines
2.2 KiB
Markdown
72 lines
2.2 KiB
Markdown
---
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date: "2019-04-15T17:29:00+08:00"
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title: "Advanced: Migrations Interfaces"
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slug: "migrations-interfaces"
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weight: 30
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toc: true
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draft: false
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menu:
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sidebar:
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parent: "advanced"
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name: "Migrations Interfaces"
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weight: 55
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identifier: "migrations-interfaces"
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---
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# Migration Features
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The new migration features were introduced in Gitea 1.9.0. It defines two interfaces to support migrating
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repositories data from other git host platforms to gitea or, in the future migrating gitea data to other
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git host platforms. Currently, only the migrations from github via APIv3 to Gitea is implemented.
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First of all, Gitea defines some standard objects in packages `modules/migrations/base`. They are
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`Repository`, `Milestone`, `Release`, `Label`, `Issue`, `Comment`, `PullRequest`.
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## Downloader Interfaces
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To migrate from a new git host platform, there are two steps to be updated.
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- You should implement a `Downloader` which will get all kinds of repository informations.
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- You should implement a `DownloaderFactory` which is used to detect if the URL matches and
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create a Downloader.
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- You'll need to register the `DownloaderFactory` via `RegisterDownloaderFactory` on init.
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```Go
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type Downloader interface {
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GetRepoInfo() (*Repository, error)
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GetMilestones() ([]*Milestone, error)
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GetReleases() ([]*Release, error)
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GetLabels() ([]*Label, error)
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GetIssues(start, limit int) ([]*Issue, error)
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GetComments(issueNumber int64) ([]*Comment, error)
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GetPullRequests(start, limit int) ([]*PullRequest, error)
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}
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```
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```Go
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type DownloaderFactory interface {
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Match(opts MigrateOptions) (bool, error)
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New(opts MigrateOptions) (Downloader, error)
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}
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```
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## Uploader Interface
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Currently, only a `GiteaLocalUploader` is implemented, so we only save downloaded
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data via this `Uploader` on the local Gitea instance. Other uploaders are not supported
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and will be implemented in future.
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```Go
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// Uploader uploads all the informations
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type Uploader interface {
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CreateRepo(repo *Repository, includeWiki bool) error
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CreateMilestone(milestone *Milestone) error
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CreateRelease(release *Release) error
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CreateLabel(label *Label) error
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CreateIssue(issue *Issue) error
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CreateComment(issueNumber int64, comment *Comment) error
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CreatePullRequest(pr *PullRequest) error
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Rollback() error
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}
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``` |