From 23156429aa518cbbe07f8fcee6456beb342bbd44 Mon Sep 17 00:00:00 2001
From: Wes Haggard <weshaggard@users.noreply.github.com>
Date: Thu, 2 Sep 2021 08:58:46 -0700
Subject: [PATCH] Support v0 versions as prerelease beta versions (#1972)

---
 eng/common/scripts/Create-APIReview.ps1 |  6 ++---
 eng/common/scripts/SemVer.ps1           | 29 +++++++++++++++----------
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/eng/common/scripts/Create-APIReview.ps1 b/eng/common/scripts/Create-APIReview.ps1
index 5f1b0b32006..e4a4d2a83dd 100644
--- a/eng/common/scripts/Create-APIReview.ps1
+++ b/eng/common/scripts/Create-APIReview.ps1
@@ -128,7 +128,7 @@ if ($packages)
             {
                 Write-Host "API review is in approved status."
             }
-            elseif ($version.IsPrerelease -or ($version.Major -eq 0))
+            elseif ($version.IsPrerelease)
             {
                 # Ignore API review status for prerelease version
                 Write-Host "Package version is not GA. Ignoring API view approval status"
@@ -141,7 +141,7 @@ if ($packages)
             {
                 # Return error code if status code is 201 for new data plane package
                 # Temporarily enable API review for spring SDK types. Ideally this should be done be using 'IsReviewRequired' method in language side
-                # to override default check of SDK type client 
+                # to override default check of SDK type client
                 if (($pkgInfo.SdkType -eq "client" -or $pkgInfo.SdkType -eq "spring") -and $pkgInfo.IsNewSdk)
                 {
                     if ($respCode -eq '201')
@@ -161,7 +161,7 @@ if ($packages)
                 {
                     Write-Host "API review is not approved for package $($PackageName), however it is not required for this package type so it can still be released without API review approval."
                 }
-            } 
+            }
         }
         else
         {
diff --git a/eng/common/scripts/SemVer.ps1 b/eng/common/scripts/SemVer.ps1
index 10c35e82537..b3ca5353274 100644
--- a/eng/common/scripts/SemVer.ps1
+++ b/eng/common/scripts/SemVer.ps1
@@ -76,14 +76,19 @@ class AzureEngSemanticVersion : IComparable {
         $this.SetupDefaultConventions()
       }
 
-      if ($null -eq $matches['prelabel']) 
+      if ($null -eq $matches['prelabel'])
       {
         # artifically provide these values for non-prereleases to enable easy sorting of them later than prereleases.
         $this.PrereleaseLabel = "zzz"
         $this.PrereleaseNumber = 99999999
         $this.IsPrerelease = $false
         $this.VersionType = "GA"
-        if ($this.Patch -ne 0) {
+        if ($this.Major -eq 0) {
+           # Treat initial 0 versions as a prerelease beta's
+          $this.VersionType = "Beta"
+          $this.IsPrerelease = $true
+        }
+        elseif ($this.Patch -ne 0) {
           $this.VersionType = "Patch"
         }
       }
@@ -160,7 +165,7 @@ class AzureEngSemanticVersion : IComparable {
     }
   }
 
-  [void] SetupPythonConventions() 
+  [void] SetupPythonConventions()
   {
     # Python uses no separators and "b" for beta so this sets up the the object to work with those conventions
     $this.PrereleaseLabelSeparator = $this.PrereleaseNumberSeparator = $this.BuildNumberSeparator = ""
@@ -168,7 +173,7 @@ class AzureEngSemanticVersion : IComparable {
     $this.DefaultAlphaReleaseLabel = "a"
   }
 
-  [void] SetupDefaultConventions() 
+  [void] SetupDefaultConventions()
   {
     # Use the default common conventions
     $this.PrereleaseLabelSeparator = "-"
@@ -219,20 +224,20 @@ class AzureEngSemanticVersion : IComparable {
   {
     $global:Language = ""
     $versions = @(
-      "1.0.1", 
-      "2.0.0", 
+      "1.0.1",
+      "2.0.0",
       "2.0.0-alpha.20200920",
       "2.0.0-alpha.20200920.1",
-      "2.0.0-beta.2", 
-      "1.0.10", 
+      "2.0.0-beta.2",
+      "1.0.10",
       "2.0.0-alpha.20201221.03",
       "2.0.0-alpha.20201221.1",
       "2.0.0-alpha.20201221.5",
       "2.0.0-alpha.20201221.2",
       "2.0.0-alpha.20201221.10",
-      "2.0.0-beta.1", 
-      "2.0.0-beta.10", 
-      "1.0.0", 
+      "2.0.0-beta.1",
+      "2.0.0-beta.10",
+      "1.0.0",
       "1.0.0b2",
       "1.0.2")
 
@@ -258,7 +263,7 @@ class AzureEngSemanticVersion : IComparable {
 
     for ($i = 0; $i -lt $expectedSort.Count; $i++)
     {
-      if ($sort[$i] -ne $expectedSort[$i]) { 
+      if ($sort[$i] -ne $expectedSort[$i]) {
         Write-Host "Error: Incorrect version sort:"
         Write-Host "Expected: "
         Write-Host $expectedSort