Ensure locale is set correctly on Ubuntu 20.04 in CI (#16067)

.vsts-ci/linux-daily.yml

@@ -122,6 +122,9 @@ stages:
       condition: succeededOrFailed()
 
     - pwsh: |
+        Import-Module .\build.psm1
+        Set-CorrectLocale
+
         Import-Module .\tools\ci.psm1
         Restore-PSOptions -PSOptionsPath '$(System.ArtifactsDirectory)\build\psoptions.json'
         Invoke-CITest -Purpose UnelevatedPesterTests -TagSet Others
@@ -129,6 +132,9 @@ stages:
       condition: succeededOrFailed()
 
     - pwsh: |
+        Import-Module .\build.psm1
+        Set-CorrectLocale
+
         Import-Module .\tools\ci.psm1
         Restore-PSOptions -PSOptionsPath '$(System.ArtifactsDirectory)\build\psoptions.json'
         Invoke-CITest -Purpose ElevatedPesterTests -TagSet Others

.vsts-ci/templates/nix-test.yml

@@ -64,16 +64,7 @@ jobs:
 
   - pwsh: |
       Import-Module .\build.psm1 -Force
-      $environment = Get-EnvironmentInformation
-      $isUbuntu20 = $environment.IsUbuntu -and $environment.IsUbuntu20
-      if ($isUbuntu20) {
-        $env:LC_ALL='en_US.UTF-8'
-        $env:LANG='en_US.UTF-8'
-        sudo locale-gen $LANG
-        sudo update-locale
-      }
-
-      locale
+      Set-CorrectLocale
 
       Import-Module .\tools\ci.psm1
       Restore-PSOptions -PSOptionsPath '$(System.ArtifactsDirectory)\build\psoptions.json'

build.psm1

@@ -3386,3 +3386,23 @@ function New-NugetConfigFile
 
     Set-Content -Path (Join-Path $Destination 'nuget.config') -Value $content -Force
 }
+
+function Set-CorrectLocale
+{
+    if (-not $IsLinux)
+    {
+        return
+    }
+
+    $environment = Get-EnvironmentInformation
+    if ($environment.IsUbuntu -and $environment.IsUbuntu20)
+    {
+        $env:LC_ALL = 'en_US.UTF-8'
+        $env:LANG = 'en_US.UTF-8'
+        sudo locale-gen $env:LANG
+        sudo update-locale
+    }
+
+    # Output the locale to log it
+    locale
+}