Main branch detection

Build.ps1

@@ -11,7 +11,7 @@ if(Test-Path .\artifacts) {
 
 $branch = @{ $true = $env:APPVEYOR_REPO_BRANCH; $false = $(git symbolic-ref --short -q HEAD) }[$env:APPVEYOR_REPO_BRANCH -ne $NULL];
 $revision = @{ $true = "{0:00000}" -f [convert]::ToInt32("0" + $env:APPVEYOR_BUILD_NUMBER, 10); $false = "local" }[$env:APPVEYOR_BUILD_NUMBER -ne $NULL];
-$suffix = @{ $true = ""; $false = "$($branch.Substring(0, [math]::Min(10,$branch.Length)))-$revision"}[$branch -eq "master" -and $revision -ne "local"]
+$suffix = @{ $true = ""; $false = "$($branch.Substring(0, [math]::Min(10,$branch.Length)))-$revision"}[$branch -eq "main" -and $revision -ne "local"]
 $commitHash = $(git rev-parse --short HEAD)
 $buildSuffix = @{ $true = "$($suffix)-$($commitHash)"; $false = "$($branch)-$($commitHash)" }[$suffix -ne ""]
 
@@ -57,4 +57,4 @@ foreach ($test in ls test/*.PerformanceTests) {
     Pop-Location
 }
 
-Pop-Location
+Pop-Location