Store the foreign ID of issues during migration (#18446)
Storing the foreign identifier of an imported issue in the database is a prerequisite to implement idempotent migrations or mirror for issues. It is a baby step towards mirroring that introduces a new table.
At the moment when an issue is created by the Gitea uploader, it fails if the issue already exists. The Gitea uploader could be modified so that, instead of failing, it looks up the database to find an existing issue. And if it does it would update the issue instead of creating a new one. However this is not currently possible because an information is missing from the database: the foreign identifier that uniquely represents the issue being migrated is not persisted. With this change, the foreign identifier is stored in the database and the Gitea uploader will then be able to run a query to figure out if a given issue being imported already exists.
The implementation of mirroring for issues, pull requests, releases, etc. can be done in three steps:
1. Store an identifier for the element being mirrored (issue, pull request...) in the database (this is the purpose of these changes)
2. Modify the Gitea uploader to be able to update an existing repository with all it contains (issues, pull request...) instead of failing if it exists
3. Optimize the Gitea uploader to speed up the updates, when possible.
The second step creates code that does not yet exist to enable idempotent migrations with the Gitea uploader. When a migration is done for the first time, the behavior is not changed. But when a migration is done for a repository that already exists, this new code is used to update it.
The third step can use the code created in the second step to optimize and speed up migrations. For instance, when a migration is resumed, an issue that has an update time that is not more recent can be skipped and only newly created issues or updated ones will be updated. Another example of optimization could be that a webhook notifies Gitea when an issue is updated. The code triggered by the webhook would download only this issue and call the code created in the second step to update the issue, as if it was in the process of an idempotent migration.
The ForeignReferences table is added to contain local and foreign ID pairs relative to a given repository. It can later be used for pull requests and other artifacts that can be mirrored. Although the foreign id could be added as a single field in issues or pull requests, it would need to be added to all tables that represent something that can be mirrored. Creating a new table makes for a simpler and more generic design. The drawback is that it requires an extra lookup to obtain the information. However, this extra information is only required during migration or mirroring and does not impact the way Gitea currently works.
The foreign identifier of an issue or pull request is similar to the identifier of an external user, which is stored in reactions, issues, etc. as OriginalPosterID and so on. The representation of a user is however different and the ability of users to link their account to an external user at a later time is also a logic that is different from what is involved in mirroring or migrations. For these reasons, despite some commonalities, it is unclear at this time how the two tables (foreign reference and external user) could be merged together.
The ForeignID field is extracted from the issue migration context so that it can be dumped in files with dump-repo and later restored via restore-repo.
The GetAllComments downloader method is introduced to simplify the implementation and not overload the Context for the purpose of pagination. It also clarifies in which context the comments are paginated and in which context they are not.
The Context interface is no longer useful for the purpose of retrieving the LocalID and ForeignID since they are now both available from the PullRequest and Issue struct. The Reviewable and Commentable interfaces replace and serve the same purpose.
The Context data member of PullRequest and Issue becomes a DownloaderContext to clarify that its purpose is not to support in memory operations while the current downloader is acting but is not otherwise persisted. It is, for instance, used by the GitLab downloader to store the IsMergeRequest boolean and sort out issues.
silverwind [Wed, 16 Mar 2022 02:50:26 +0000 (03:50 +0100)]
Use `go run` for tool dependencies, require go 1.17 (#18874)
This ensures the tools only run in the versions we've tested and it also
does not polute PATH with those tools so they are truly isolated. This
syntax of `go run` requires go 1.17, so the minimum version is set
accordingly.
Gusted [Wed, 16 Mar 2022 01:59:53 +0000 (01:59 +0000)]
Update golang.org/x/crypto (#19097)
* Update golang.org/x/crypto
- Update dependency to include fix for CVE.
- See https://groups.google.com/g/golang-announce/c/-cp44ypCT5s/m/wmegxkLiAQAJ?utm_medium=email&utm_source=footer
zeripath [Thu, 10 Mar 2022 20:23:15 +0000 (20:23 +0000)]
If rendering has failed due to a net.OpError stop rendering (attempt 2) (#19049)
Unfortunately #18642 does not work because a `*net.OpError` does not implement
the `Is` interface to make `errors.Is` work correctly - thus leading to the
irritating conclusion that a `*net.OpError` is not a `*net.OpError`.
Here we keep the `errors.Is` because presumably this will be fixed at
some point in the golang main source code but also we add a simply type
cast to also check.
Norwin [Tue, 8 Mar 2022 21:48:47 +0000 (22:48 +0100)]
Allow users to self-request a PR review (#19030)
The review request feature was added in https://github.com/go-gitea/gitea/pull/10756,
where the doer got explicitly excluded from available reviewers. I don't see a
functionality or security related reason to forbid this case.
As shown by GitHubs implementation, it may be useful to self-request a review,
to be reminded oneselves about reviewing, while communicating to team mates that a
review is missing.
singuliere [Sun, 6 Mar 2022 19:00:41 +0000 (20:00 +0100)]
Add Index to comment for migrations and mirroring (#18806)
Comments have an id (see Gitea[0], GitLab[1], GitHub[2], etc.), and the
comment migration format must represent it during migrations so that
it can be used during mirroring or incremental migrations.
René Schaar [Mon, 28 Feb 2022 22:57:20 +0000 (23:57 +0100)]
Refactor SecToTime() function (#18863)
- Add helper method to reduce redundancy
- Expand the scope from displaying days to years
- Reduce irrelevance by not displaying small units (hours, minutes, seconds) when bigger ones apply (years)
zeripath [Sun, 27 Feb 2022 19:45:06 +0000 (19:45 +0000)]
Adjust error for already locked db and prevent level db lock on malformed connstr (#18923)
This PR adjusts the error returned when there is failure to lock the level db, and
permits a connections to the same leveldb where there is a different connection string.
Gusted [Sun, 27 Feb 2022 17:51:34 +0000 (17:51 +0000)]
Avoid database lookups for `DescriptionHTML` (#18924)
* Avoid database lookups for `DescriptionHTML`
- Don't Compose meta's for DescriptionHTML, they are only needed in
order to correctly format and show issue's but it's highly unlikely that
a repository description will refer to a local issue.
Using 125 Connections for 5 seconds: on `/explore/repos`(which is the most
noticeable usage by this function's database lookups):
silverwind [Sat, 26 Feb 2022 10:14:23 +0000 (11:14 +0100)]
Disable service worker by default (#18914)
The service worker causes a lot of issues with JS errors after instance
upgrades while not bringing any real performance gain over regular HTTP
caching.
Disable it by default for this reason. Maybe later we can remove it
completely, as I simply see no benefit in having it.
zeripath [Wed, 23 Feb 2022 22:07:05 +0000 (22:07 +0000)]
Update assignees check to include any writing team and change org sidebar (#18680)
Following the merging of #17811 teams can now have differing write and readonly permissions, however the assignee list will not include teams which have mixed perms.
Further the org sidebar is no longer helpful as it can't describe these mixed permissions situations.
silverwind [Wed, 23 Feb 2022 20:16:07 +0000 (21:16 +0100)]
Lock gofumpt to v0.3.0 and run it (#18866)
We can't depend on `latest` version of gofumpt because the output will
not be stable across versions. Lock it down to the latest version
released yesterday and run it again.
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