Ok let's try another approach to the build conundrum

.gitignore

@@ -305,4 +305,6 @@ sysinfo.txt
 *.unitypackage
 /downloads
 /embedded-git.json
-lib/deps.zip
+lib/deps.zip
+nbgv.exe
+.store

.yamato/build.yml

@@ -14,9 +14,13 @@ build:
       scripts\Get-Deps.ps1
       scripts\Build.ps1
 
-      Get-ChildItem Env:
-      Write-Output "Do we have a version? $env:GitAssemblyInformationalVersion"
-      scripts\Create-Packages.ps1 $env:GitAssemblyInformationalVersion
+      dotnet tool install --tool-path . nbgv
+      Push-Location src\com.unity.git.api
+      $version = ..\..\nbgv get-version -f json | ConvertFrom-Json
+      Pop-Location
+
+      Write-Output "Packaging version $($version.AssemblyInformationalVersion)"
+      scripts\Create-Packages.ps1 $($version.AssemblyInformationalVersion)
 
   triggers:
     branches:

scripts/Create-Packages.ps1

@@ -11,7 +11,9 @@ Param(
     [string]
     $Version,
     [switch]
-    $Trace = $false
+    $Trace = $false,
+    [switch]
+    $Verbose = $false
 )
 
 Set-StrictMode -Version Latest
@@ -35,6 +37,9 @@ $ignorefile="$srcDir\$pkgName\.npmignore"
 $baseInstall="Packages\$pkgName"
 $outDir=$artifactDir
 
+if ($Verbose) {
+    Write-Output "$packagingScriptsDir\run.ps1 $pkgSrcDir $outDir $pkgName $Version $extrasDir $ignorefile $baseInstall"
+}
 Run-Command -Fatal -Quiet { & $packagingScriptsDir\run.ps1 $pkgSrcDir $outDir $pkgName $Version $extrasDir $ignorefile $baseInstall }
 
 $pkgName="com.unity.git.ui"
@@ -44,4 +49,7 @@ $ignorefile="$srcDir\$pkgName\.npmignore"
 $baseInstall="Packages\$pkgName"
 $outDir=$artifactDir
 
+if ($Verbose) {
+    Write-Output "$packagingScriptsDir\run.ps1 $pkgSrcDir $outDir $pkgName $Version $extrasDir $ignorefile $baseInstall"
+}
 Run-Command -Fatal { & $packagingScriptsDir\run.ps1 $pkgSrcDir $outDir $pkgName $Version $extrasDir $ignorefile $baseInstall }