Replace DOTNET_SKIP_FIRST_TIME_EXPERIENCE with DOTNET_NOLOGO (#121326)

DOTNET_SKIP_FIRST_TIME_EXPERIENCE was completely removed in .NET Core
3.0 and DOTNET_NOLOGO was reintroduced as its replacement in .NET Core
3.1 to only suppress the First Time Use Experience message.

See
https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-environment-variables#dotnet_nologo

Author: xtqqczze

dotnet.cmd

@@ -16,7 +16,7 @@ set Platform=
 :: Don't resolve runtime, shared framework, or SDK from other locations to ensure build determinism
 set DOTNET_MULTILEVEL_LOOKUP=0
 
-:: Disable first run since we want to control all package sources
-set DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
+:: Suppress the .NET startup banner
+set DOTNET_NOLOGO=1
 
 call "%dotnetPath%\dotnet.exe" %*

dotnet.sh

@@ -15,8 +15,8 @@ scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
 # Don't resolve runtime, shared framework, or SDK from other locations to ensure build determinism
 export DOTNET_MULTILEVEL_LOOKUP=0
 
-# Disable first run since we want to control all package sources
-export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
+# Suppress the .NET startup banner
+export DOTNET_NOLOGO=1
 
 source $scriptroot/eng/common/tools.sh
 

src/coreclr/scripts/superpmi_aspnet.py

@@ -138,7 +138,7 @@ def build_and_run(coreclr_args):
         # install dotnet 8.0
         run_command([dotnet_install_script_path, "-Version", "8.0.0"], temp_location, _exit_on_fail=True)
         os.environ['DOTNET_MULTILEVEL_LOOKUP'] = '0'
-        os.environ['DOTNET_SKIP_FIRST_TIME_EXPERIENCE'] = '1'
+        os.environ['DOTNET_NOLOGO'] = '1'
         dotnet_path = path.join(source_directory, ".dotnet")
         dotnet_exe = path.join(dotnet_path, "dotnet.exe") if is_windows else path.join(dotnet_path, "dotnet")
         # run_command([dotnet_exe, "--info"], temp_location, _exit_on_fail=True)

src/installer/tests/TestUtils/DotNetCli.cs

@@ -46,7 +46,7 @@ public Command Exec(string command, params string[] args)
             newArgs.Insert(0, command);
 
             return Command.Create(DotnetExecutablePath, newArgs)
-                .EnvironmentVariable("DOTNET_SKIP_FIRST_TIME_EXPERIENCE", "1")
+                .EnvironmentVariable("DOTNET_NOLOGO", "1")
                 .MultilevelLookup(false); // Avoid looking at machine state by default
         }
     }

src/libraries/sendtohelix-wasm.targets

@@ -28,7 +28,7 @@
 
     <HelixPreCommand Include="$(EnvVarCommand) &quot;XUnitTraitArg=$(_XUnitTraitArg)&quot;" />
     <HelixPreCommand Include="$(EnvVarCommand) &quot;SDK_DIR_NAME=$(SdkForWorkloadTestingDirName)&quot;" />
-    <HelixPreCommand Include="$(EnvVarCommand) &quot;DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1&quot;" />
+    <HelixPreCommand Include="$(EnvVarCommand) &quot;DOTNET_NOLOGO=1&quot;" />
     <HelixPreCommand Include="$(EnvVarCommand) &quot;DOTNET_SKIP_WORKLOAD_INTEGRITY_CHECK=1&quot;" />
   </ItemGroup>
 

src/mono/wasm/Wasm.Build.Tests/Common/BuildEnvironment.cs

@@ -124,7 +124,7 @@ public BuildEnvironment()
             EnvVars["DOTNET_ROOT"] = sdkForWorkloadPath;
             EnvVars["DOTNET_INSTALL_DIR"] = sdkForWorkloadPath;
             EnvVars["DOTNET_MULTILEVEL_LOOKUP"] = "0";
-            EnvVars["DOTNET_SKIP_FIRST_TIME_EXPERIENCE"] = "1";
+            EnvVars["DOTNET_NOLOGO"] = "1";
             EnvVars["PATH"] = $"{sdkForWorkloadPath}{Path.PathSeparator}{Environment.GetEnvironmentVariable("PATH")}";
             EnvVars["EM_WORKAROUND_PYTHON_BUG_34780"] = "1";
 

src/mono/wasm/Wasm.Build.Tests/Common/RunCommand.cs

@@ -14,6 +14,6 @@ public RunCommand(BuildEnvironment buildEnv, ITestOutputHelper _testOutput, stri
         WithEnvironmentVariable("DOTNET_ROOT", Path.GetDirectoryName(buildEnv.DotNet)!);
         WithEnvironmentVariable("DOTNET_INSTALL_DIR", Path.GetDirectoryName(buildEnv.DotNet)!);
         WithEnvironmentVariable("DOTNET_MULTILEVEL_LOOKUP", "0");
-        WithEnvironmentVariable("DOTNET_SKIP_FIRST_TIME_EXPERIENCE", "1");
+        WithEnvironmentVariable("DOTNET_NOLOGO", "1");
     }
 }

src/mono/wasm/Wasm.Build.Tests/Common/ToolCommand.cs

@@ -165,7 +165,7 @@ private Process CreateProcess(string executable, string args)
             };
 
             psi.Environment["DOTNET_MULTILEVEL_LOOKUP"] = "0";
-            psi.Environment["DOTNET_SKIP_FIRST_TIME_EXPERIENCE"] = "1";
+            psi.Environment["DOTNET_NOLOGO"] = "1";
 
             // runtime repo sets this, which interferes with the tests
             psi.RemoveEnvironmentVariables("MSBuildSDKsPath");