Add .NET 12 feeds and channel mapping

NuGet.config

@@ -7,7 +7,7 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-android -->
-    <add key="darc-pub-dotnet-android-ff0d29e" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-android-ff0d29ef/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-android-dc9a852" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-android-dc9a8524/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-android-1361e50" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-android-1361e505/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-android -->
     <!--  Begin: Package sources from dotnet-macios -->
@@ -16,6 +16,8 @@
     <!--  End: Package sources from dotnet-maui -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-public" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json" />
+    <add key="dotnet12" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet12/nuget/v3/index.json" />
+    <add key="dotnet12-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet12-transport/nuget/v3/index.json" />
     <add key="dotnet11" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11/nuget/v3/index.json" />
     <add key="dotnet11-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11-transport/nuget/v3/index.json" />
     <add key="dotnet10" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10/nuget/v3/index.json" />

eng/Version.Details.xml

@@ -1,43 +1,43 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="11.0.0-preview.5.26261.101">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="11.0.0-rc.1.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink" Version="11.0.0-preview.5.26261.101">
+    <Dependency Name="Microsoft.NET.ILLink" Version="11.0.0-rc.1.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="System.Threading.Channels" Version="11.0.0-preview.5.26261.101">
+    <Dependency Name="System.Threading.Channels" Version="11.0.0-rc.1.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Logging" Version="11.0.0-preview.5.26261.101">
+    <Dependency Name="Microsoft.Extensions.Logging" Version="11.0.0-rc.1.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.WindowsDesktop.App.Ref" Version="11.0.0-preview.5.26261.101">
+    <Dependency Name="Microsoft.WindowsDesktop.App.Ref" Version="11.0.0-rc.1.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Runtime.Emscripten.3.1.56.Node.win-x64" Version="11.0.0-preview.5.26261.101">
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26261.101">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26261.101">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26411.119">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26411.5">
+    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26419.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>26a41b1f0f571bf8ca7a4928ef7a8c5b3b8a4612</Sha>
+      <Sha>8dd9b8e6004e22c7b120af0631f0809865ff2088</Sha>
     </Dependency>
     <!--
       Maui Rollback Version mappings, default means generated from sdk version. Allows for manual override of version similar to https://github.com/dotnet/maui/blob/df8cfcf635a590955a8cc3d6cf7ae6280449dd3f/eng/Versions.props#L138-L146, where the logic comes from:
@@ -51,21 +51,21 @@
       Mapping_Microsoft.tvOS.Sdk:default
     -->
     <!-- Dependencies for .NET MAUI workload -->
-    <Dependency Name="Microsoft.Maui.Controls" Version="10.0.110-ci.main.26411.2">
-      <Sha>bf62313db2cecf3215f10c353720b341aba0a4ee</Sha>
+    <Dependency Name="Microsoft.Maui.Controls" Version="10.0.110-ci.main.26418.1">
+      <Sha>5d354a6a14e3136d6d503d5914f9227a9b113835</Sha>
       <Uri>https://github.com/dotnet/maui</Uri>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk" Version="11.0.100-preview.5.26261.101">
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+    <Dependency Name="Microsoft.NET.Sdk" Version="11.0.100-rc.1.26411.119">
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
       <Uri>https://github.com/dotnet/dotnet</Uri>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App.Ref" Version="11.0.0-preview.5.26261.101">
-      <Sha>547c640d5626b2976499cb3433abc741a63d67c5</Sha>
+    <Dependency Name="Microsoft.NETCore.App.Ref" Version="11.0.0-rc.1.26411.119">
+      <Sha>7cdb217445905f3342bbb0266a4497b9a014389a</Sha>
       <Uri>https://github.com/dotnet/dotnet</Uri>
     </Dependency>
-    <Dependency Name="Microsoft.Android.Sdk.Windows" Version="36.1.95">
+    <Dependency Name="Microsoft.Android.Sdk.Windows" Version="36.1.107">
       <Uri>https://github.com/dotnet/android</Uri>
-      <Sha>ff0d29ef85743d46ebce52981efc1d063b10c9e4</Sha>
+      <Sha>dc9a8524138e4b2e26d8a4df04baeb125a01e59b</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-9.0.100" Version="9.0.1">
       <Sha>4c9d1b112c16716c2479e054e9ad4db8b5b8c70c</Sha>

eng/Versions.props

@@ -7,13 +7,13 @@
   </PropertyGroup>
   <!--Package versions-->
   <PropertyGroup>
-    <MicrosoftNETILLinkTasksVersion>11.0.0-preview.5.26261.101</MicrosoftNETILLinkTasksVersion>
-    <MicrosoftNETILLinkPackageVersion>11.0.0-preview.5.26261.101</MicrosoftNETILLinkPackageVersion>
-    <SystemThreadingChannelsPackageVersion>11.0.0-preview.5.26261.101</SystemThreadingChannelsPackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>11.0.0-preview.5.26261.101</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftNETILLinkTasksVersion>11.0.0-rc.1.26411.119</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkPackageVersion>11.0.0-rc.1.26411.119</MicrosoftNETILLinkPackageVersion>
+    <SystemThreadingChannelsPackageVersion>11.0.0-rc.1.26411.119</SystemThreadingChannelsPackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>11.0.0-rc.1.26411.119</MicrosoftExtensionsLoggingPackageVersion>
     <BenchmarkDotNetVersion>0.16.0-nightly.20260801.595</BenchmarkDotNetVersion>
     <MicrosoftNETRuntimeEmscripten3156Nodewinx64Version>11.0.0-preview.5.26261.101</MicrosoftNETRuntimeEmscripten3156Nodewinx64Version>
-    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26411.5</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26419.1</MicrosoftDotNetXHarnessCLIVersion>
   </PropertyGroup>
   <!--Package names-->
   <PropertyGroup>

eng/common/Get-GitHubAppToken.ps1

@@ -0,0 +1,154 @@
+# Mints a short-lived GitHub App installation access token by signing a JWT
+# with a private key stored in Azure Key Vault (RSA, RS256). The signed JWT is
+# exchanged with the GitHub API for a token scoped to a single installation.
+#
+# Requirements:
+#   - A GitHub App whose private key has been uploaded into Key Vault as an RSA
+#     key (the PEM converted to a Key Vault *key*, NOT stored as a secret).
+#   - The caller (the federated Azure service connection used to run this script)
+#     must have the `Key Vault Crypto User` role (or at minimum the `Sign`
+#     action) on that key.
+#   - The App must be installed on the target organization/account
+#     (`InstallationOwner`) with the permissions/repositories it needs.
+#
+# Installation tokens (ghs_*) are exempt from the enterprise classic-PAT
+# lifetime policy, which is why this replaces the long-lived PAT.
+
+[CmdletBinding()]
+param(
+    # Name of the Key Vault that holds the GitHub App's RSA signing key.
+    [Parameter(Mandatory = $true)]
+    [string] $KeyVaultName,
+
+    # Name of the RSA key inside the Key Vault (the App's private key).
+    [Parameter(Mandatory = $true)]
+    [string] $KeyName,
+
+    # The GitHub App's Client ID (the value to put in the `iss` JWT claim).
+    [Parameter(Mandatory = $true)]
+    [string] $AppClientId,
+
+    # Login of the organization or user account whose installation we should
+    # mint the token for (e.g. `dotnet`, `microsoft`).
+    [Parameter(Mandatory = $true)]
+    [string] $InstallationOwner,
+
+    # Optional Azure DevOps pipeline variable name to set with the installation
+    # token (marked as a secret). When not specified, the token is written to
+    # stdout instead.
+    [Parameter(Mandatory = $false)]
+    [string] $OutputVariableName
+)
+
+$ErrorActionPreference = 'Stop'
+$PSNativeCommandUseErrorActionPreference = $true
+
+. $PSScriptRoot\pipeline-logging-functions.ps1
+
+function ConvertTo-Base64Url([byte[]] $bytes) {
+    return [Convert]::ToBase64String($bytes).TrimEnd('=').Replace('+', '-').Replace('/', '_')
+}
+
+# Build JWT header and payload. Use [ordered] hashtables so JSON
+# serialization is deterministic.
+$jwtHeader = [ordered]@{
+    alg = 'RS256'
+    typ = 'JWT'
+}
+$now = [System.DateTimeOffset]::UtcNow
+$jwtPayload = [ordered]@{
+    iat = $now.AddMinutes(-1).ToUnixTimeSeconds()
+    exp = $now.AddMinutes(5).ToUnixTimeSeconds()
+    iss = $AppClientId
+}
+
+$headerEncoded  = ConvertTo-Base64Url ([System.Text.Encoding]::UTF8.GetBytes(($jwtHeader  | ConvertTo-Json -Compress)))
+$payloadEncoded = ConvertTo-Base64Url ([System.Text.Encoding]::UTF8.GetBytes(($jwtPayload | ConvertTo-Json -Compress)))
+$signingInput   = "$headerEncoded.$payloadEncoded"
+
+# Key Vault `sign` expects the *digest* (base64), not the raw bytes.
+$sha256       = [System.Security.Cryptography.SHA256]::Create()
+$digestBytes  = $sha256.ComputeHash([System.Text.Encoding]::UTF8.GetBytes($signingInput))
+$digestBase64 = [Convert]::ToBase64String($digestBytes)
+
+Write-Host "Signing JWT with key '$KeyName' in vault '$KeyVaultName'..."
+$previousNativeCommandErrorPreference = $PSNativeCommandUseErrorActionPreference
+try {
+    # Azure CLI can emit non-fatal Python warnings to stderr even when signing succeeds.
+    # Use the exit code to determine success for this invocation.
+    $PSNativeCommandUseErrorActionPreference = $false
+    $signatureBase64 = az keyvault key sign `
+        --vault-name $KeyVaultName `
+        --name $KeyName `
+        --algorithm RS256 `
+        --digest $digestBase64 `
+        --query signature `
+        --output tsv `
+        --only-show-errors
+    $signExitCode = $LASTEXITCODE
+}
+catch {
+    Write-PipelineTelemetryError -Category 'Build' -Message "Failed to sign the JWT via Key Vault (key '$KeyName', vault '$KeyVaultName'): $_. Verify the service connection identity has the 'Key Vault Crypto User' role (Sign action) on the key."
+    exit 1
+}
+finally {
+    $PSNativeCommandUseErrorActionPreference = $previousNativeCommandErrorPreference
+}
+if ($signExitCode -ne 0 -or [string]::IsNullOrWhiteSpace($signatureBase64)) {
+    Write-PipelineTelemetryError -Category 'Build' -Message "'az keyvault key sign' exited with code $signExitCode for key '$KeyName' in vault '$KeyVaultName'. Verify the service connection identity has the 'Key Vault Crypto User' role (Sign action) on the key."
+    exit 1
+}
+$signatureUrl = $signatureBase64.Trim().TrimEnd('=').Replace('+', '-').Replace('/', '_')
+$jwt = "$signingInput.$signatureUrl"
+
+$headers = @{
+    Authorization          = "Bearer $jwt"
+    'X-GitHub-Api-Version' = '2022-11-28'
+    Accept                 = 'application/vnd.github+json'
+    'User-Agent'           = 'dotnet-arcade-onelocbuild'
+}
+
+Write-Host "Looking up installation for '$InstallationOwner'..."
+try {
+    $installations = @()
+    $page = 1
+    do {
+        $pageInstallations = @(Invoke-RestMethod `
+            -Uri "https://github.com/ghapi/app/installations?per_page=100&page=$page" `
+            -Headers $headers `
+            -Method Get)
+        $installations += $pageInstallations
+        $page++
+    } while ($pageInstallations.Count -eq 100)
+}
+catch {
+    Write-PipelineTelemetryError -Category 'Build' -Message "Failed to list GitHub App installations: $_. The signed JWT may be invalid or the App's Client ID ('$AppClientId') may be incorrect."
+    exit 1
+}
+$installation = $installations | Where-Object { $_.account.login -ieq $InstallationOwner } | Select-Object -First 1
+if (-not $installation) {
+    $found = ($installations | ForEach-Object { $_.account.login }) -join ', '
+    Write-PipelineTelemetryError -Category 'Build' -Message "No installation found for '$InstallationOwner'. App is installed on: $found"
+    exit 1
+}
+
+try {
+    $tokenResponse = Invoke-RestMethod `
+        -Uri "https://github.com/ghapi/app/installations/$($installation.id)/access_tokens" `
+        -Headers $headers `
+        -Method Post `
+        -ContentType 'application/json'
+}
+catch {
+    Write-PipelineTelemetryError -Category 'Build' -Message "Failed to mint an installation access token for '$InstallationOwner' (installation $($installation.id)): $_"
+    exit 1
+}
+
+Write-Host "Got installation token for '$InstallationOwner' (expires $($tokenResponse.expires_at))."
+if ($OutputVariableName) {
+    Write-Host "Setting pipeline variable '$OutputVariableName'."
+    Write-Host "##vso[task.setvariable variable=$OutputVariableName;issecret=true]$($tokenResponse.token)"
+}
+else {
+    Write-Host $tokenResponse.token -ForegroundColor Green
+}