83 строки
4.5 KiB
Markdown
83 строки
4.5 KiB
Markdown
The `eng` folder contains and is used by parts of the https://github.com/dotnet/arcade SDK.
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## Dependency Management
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The Arcade SDK contains a tool known as [`darc`][0], which can be used to manage
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and query the relationships between repositories in the dotnet ecosystem.
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The `eng/Version.Details.xml` and `eng/Versions.props` files contain information
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about the products and tooling that this repository depends on.
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Many dotnet repositories use a publishing workflow that will push build artifact data
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to a central location known as the "Build Asset Registry". This data includes
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a "channel" association, which is used to determine when an update for a particular
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product or tool is available. Local updates and automatic update "subscriptions"
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compare the version files in the repository against the versions avalable in the
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channel that you are interested in. The `darc` tool is used facilitate these updates.
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To work with `darc` locally, see the [setting up your darc client docs][1].
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You'll need to run a script in the dotnet/arcade repo to install the dotnet global
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tool, join the `arcade-contrib` GitHub team, and run the [`darc authenticate`][2]
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command to add the PATs required by the tool.
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The GitHub PAT that you add must have the full `repo` scope enabled if you
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want to work with any of the `subcription` commands. You'll also have to
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enable SSO (for the xamarin org). Subscriptions control the automated creation
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of dependency update pull requests.
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To add a new dependency, run the [`darc add-dependency`][3] command at the root
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of the repository:
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```
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darc add-dependency -n Microsoft.NetCore.App.Runtime.ios-arm64 -t product -v 6.0.0-preview.2.21154.6 -r https://github.com/dotnet/runtime
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```
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To update all dependencies, use the [`darc update-dependencies`][4] command:
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```
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darc update-dependencies --channel ".NET 6"
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```
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To configure automatic updates, use the [`darc add-subscription`][5] command
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to enroll a target repo/branch into updates from a particular channel:
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```
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darc add-subscription --channel ".NET 6" --source-repo https://github.com/dotnet/installer --target-repo https://github.com/xamarin/xamarin-macios --target-branch main --update-frequency everyWeek --standard-automerge
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```
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To configure automatic updates for a release branch, use the following arguments:
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```
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darc add-subscription --channel ".NET 6.0.1xx SDK Preview 5" --source-repo https://github.com/dotnet/installer --target-repo https://github.com/xamarin/xamarin-macios --target-branch release/6.0.1xx-preview5 --update-frequency everyDay
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```
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Once a subscription is configured, pull requests will be created automatically
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by the dotnet Maestro bot whenever dependency updates are available.
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Subscriptions need to be manually managed at this time. For example, when a
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release branch is created, someone with `darc` installed locally will need to
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run the `add-subscription` command to configure updates against that new branch.
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#### Build Asset Manifest Promotion
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Builds from main and release branches will push NuGet package metadata to the
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darc/maestro Build Asset Registry. This build information will also be promoted
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to a default darc/maestro channel if one is configured. Default channels are
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manually managed at this time. To configure a new default repo+branch <-> channel
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association, run the [`darc add-default-channel`][6] command:
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```
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darc add-default-channel --channel ".NET 6" --branch "main" --repo https://github.com/xamarin/xamarin-macios
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```
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When a new release branch is created, this command should look something like this:
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```
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darc add-default-channel --channel ".NET 6.0.1xx SDK Preview 4" --branch "release/6.0.1xx-preview4" --repo https://github.com/xamarin/xamarin-macios
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```
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[0]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md
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[1]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#setting-up-your-darc-client
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[2]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#authenticate
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[3]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#add-dependency
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[4]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#update-dependencies
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[5]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#add-subscription
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[6]: https://github.com/dotnet/arcade/blob/ea609b8e036359934332480de9336d98fcbb3f91/Documentation/Darc.md#add-default-channel
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