e6a059a3d0
Hello, The current package guide for cargo gives you only the git index, with the HTTP Index stabilized being used as default for crates.io and being better for most use-cases. However, it's not documented that gitea supports the sparse spec, and it does not require the _crates-index git repo for the sparse api. I personally think we should push users to use the sparse instead of the git repository. (Even let users disable crates-index repos if they only want to use sparse)
113 lines
3.4 KiB
Markdown
113 lines
3.4 KiB
Markdown
---
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date: "2022-11-20T00:00:00+00:00"
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title: "Cargo Package Registry"
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slug: "cargo"
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sidebar_position: 5
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draft: false
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toc: false
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menu:
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sidebar:
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parent: "packages"
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name: "Cargo"
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sidebar_position: 5
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identifier: "cargo"
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---
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# Cargo Package Registry
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Publish [Cargo](https://doc.rust-lang.org/stable/cargo/) packages for your user or organization.
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## Requirements
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To work with the Cargo package registry, you need [Rust and Cargo](https://www.rust-lang.org/tools/install).
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Cargo stores information about the available packages in a package index stored in a git repository.
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This repository is needed to work with the registry.
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The following section describes how to create it.
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## Index Repository
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Cargo stores information about the available packages in a package index stored in a git repository.
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In Gitea this repository has the special name `_cargo-index`.
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After a package was uploaded, its metadata is automatically written to the index.
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The content of this repository should not be manually modified.
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The user or organization package settings page allows to create the index repository along with the configuration file.
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If needed this action will rewrite the configuration file.
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This can be useful if for example the Gitea instance domain was changed.
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If the case arises where the packages stored in Gitea and the information in the index repository are out of sync, the settings page allows to rebuild the index repository.
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This action iterates all packages in the registry and writes their information to the index.
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If there are lot of packages this process may take some time.
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## Configuring the package registry
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To register the package registry the Cargo configuration must be updated.
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Add the following text to the configuration file located in the current users home directory (for example `~/.cargo/config.toml`):
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```
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[registry]
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default = "gitea"
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[registries.gitea]
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index = "sparse+https://gitea.example.com/api/packages/{owner}/cargo/" # Sparse index
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# index = "https://gitea.example.com/{owner}/_cargo-index.git" # Git
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# [net]
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# git-fetch-with-cli = true
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```
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| Parameter | Description |
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| --------- | ----------- |
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| `owner` | The owner of the package. |
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If the registry is private or you want to publish new packages, you have to configure your credentials.
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Add the credentials section to the credentials file located in the current users home directory (for example `~/.cargo/credentials.toml`):
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```
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[registries.gitea]
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token = "Bearer {token}"
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```
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| Parameter | Description |
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| --------- | ----------- |
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| `token` | Your [personal access token](development/api-usage.md#authentication) |
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## Git vs Sparse
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Currently, cargo supports two ways for fetching crates in a registry: Git index & sparse index.
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Sparse index is the newest method and offers better performance when updating crates compared to git.
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Since Rust 1.68, sparse is the default method for crates.io.
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## Publish a package
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Publish a package by running the following command in your project:
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```shell
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cargo publish
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```
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You cannot publish a package if a package of the same name and version already exists. You must delete the existing package first.
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## Install a package
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To install a package from the package registry, execute the following command:
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```shell
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cargo add {package_name}
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```
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| Parameter | Description |
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| -------------- | ----------- |
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| `package_name` | The package name. |
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## Supported commands
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```
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cargo publish
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cargo add
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cargo install
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cargo yank
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cargo unyank
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cargo search
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```
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