use DotNetCoreCLI@2 for restore

Author: Bertk

eng/build.yml

@@ -15,20 +15,18 @@ steps:
     New-Item -ItemType Directory -Path artifacts/package/release -Force
   displayName: create folder artifacts/package/$(BuildConfiguration)
 
-- task: NuGetAuthenticate@1
-
-- script: dotnet restore
-  displayName: Restore packages
+# - script: dotnet restore
+#   displayName: Restore packages
 
-#- task: NuGetAuthenticate@1
-#- task: DotNetCoreCLI@2
-#  displayName: 'dotnet restore'
-#  inputs:
-#    command: restore
-#    projects: 'coverlet.sln'
-#    feedsToUse: config
-#    nugetConfigPath: nuget.config
-#    noCache: true
+- task: NuGetAuthenticate@1
+- task: DotNetCoreCLI@2
+  displayName: 'dotnet restore'
+  inputs:
+     command: restore
+     projects: 'coverlet.sln'
+     feedsToUse: config
+     nugetConfigPath: nuget.config
+     noCache: true
 
 - script: dotnet build -c $(BuildConfiguration) --no-restore -bl:build.msbuild.binlog
   displayName: Build

nuget.config

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <!-- dotnet-libraries feed -->
+    <!-- https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-libraries/NuGet/System.CommandLine/versions -->
+    <add key="dotnet-libraries" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries/nuget/v3/index.json" />
+    <!-- Default nuget feed -->
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+
+</configuration>