e28cc79c92
This addresses https://github.com/go-gitea/gitea/issues/18352 It aims to improve performance (and resource use) of the `SyncReleasesWithTags` operation for pull-mirrors. For large repositories with many tags, `SyncReleasesWithTags` can be a costly operation (taking several minutes to complete). The reason is two-fold: 1. on sync, every upstream repo tag is compared (for changes) against existing local entries in the release table to ensure that they are up-to-date. 2. the procedure for getting _each tag_ involves a series of git operations ```bash git show-ref --tags -- v8.2.4477 git cat-file -t 29ab6ce9f36660cffaad3c8789e71162e5db5d2f git cat-file -p 29ab6ce9f36660cffaad3c8789e71162e5db5d2f git rev-list --count 29ab6ce9f36660cffaad3c8789e71162e5db5d2f ``` of which the `git rev-list --count` can be particularly heavy. This PR optimizes performance for pull-mirrors. We utilize the fact that a pull-mirror is always identical to its upstream and rebuild the entire release table on every sync and use a batch `git for-each-ref .. refs/tags` call to retrieve all tags in one go. For large mirror repos, with hundreds of annotated tags, this brings down the duration of the sync operation from several minutes to a few seconds. A few unscientific examples run on my local machine: - https://github.com/spring-projects/spring-boot (223 tags) - before: `0m28,673s` - after: `0m2,244s` - https://github.com/kubernetes/kubernetes (890 tags) - before: `8m00s` - after: `0m8,520s` - https://github.com/vim/vim (13954 tags) - before: `14m20,383s` - after: `0m35,467s` I added a `foreachref` package which contains a flexible way of specifying which reference fields are of interest (`git-for-each-ref(1)`) and to produce a parser for the expected output. These could be reused in other places where `for-each-ref` is used. I'll add unit tests for those if the overall PR looks promising. |
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| LICENSE | ||
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Gitea - Git with a cup of tea
View the chinese version of this document
Purpose
The goal of this project is to make the easiest, fastest, and most painless way of setting up a self-hosted Git service. Using Go, this can be done with an independent binary distribution across all platforms which Go supports, including Linux, macOS, and Windows on x86, amd64, ARM and PowerPC architectures. Want to try it before doing anything else? Do it with the online demo! This project has been forked from Gogs since 2016.11 but changed a lot.
Building
From the root of the source tree, run:
TAGS="bindata" make build
or if SQLite support is required:
TAGS="bindata sqlite sqlite_unlock_notify" make build
The build target is split into two sub-targets:
make backendwhich requires Go 1.17 or greater.make frontendwhich requires Node.js LTS or greater and Internet connectivity to download npm dependencies.
When building from the official source tarballs which include pre-built frontend files, the frontend target will not be triggered, making it possible to build without Node.js and Internet connectivity.
Parallelism (make -j <num>) is not supported.
More info: https://docs.gitea.io/en-us/install-from-source/
Using
./gitea web
NOTE: If you're interested in using our APIs, we have experimental support with documentation.
Contributing
Expected workflow is: Fork -> Patch -> Push -> Pull Request
NOTES:
- YOU MUST READ THE CONTRIBUTORS GUIDE BEFORE STARTING TO WORK ON A PULL REQUEST.
- If you have found a vulnerability in the project, please write privately to security@gitea.io. Thanks!
Translating
Translations are done through Crowdin. If you want to translate to a new language ask one of the managers in the Crowdin project to add a new language there.
You can also just create an issue for adding a language or ask on discord on the #translation channel. If you need context or find some translation issues, you can leave a comment on the string or ask on Discord. For general translation questions there is a section in the docs. Currently a bit empty but we hope fo fill it as questions pop up.
https://docs.gitea.io/en-us/translation-guidelines/
Further information
For more information and instructions about how to install Gitea, please look at our documentation. If you have questions that are not covered by the documentation, you can get in contact with us on our Discord server or create a post in the discourse forum.
We maintain a list of Gitea-related projects at gitea/awesome-gitea.
The hugo-based documentation theme is hosted at gitea/theme.
The official Gitea CLI is developed at gitea/tea.
Authors
Backers
Thank you to all our backers! 🙏 [Become a backer]
Sponsors
Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]
FAQ
How do you pronounce Gitea?
Gitea is pronounced /ɡɪ’ti:/ as in "gi-tea" with a hard g.
Why is this not hosted on a Gitea instance?
We're working on it.
License
This project is licensed under the MIT License. See the LICENSE file for the full license text.
Screenshots
Looking for an overview of the interface? Check it out!
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