diff --git a/.github/workflows/upstream pretest.yaml b/.github/workflows/upstream pretest.yaml
index 8c268d66..6061a0b9 100644
--- a/.github/workflows/upstream pretest.yaml	
+++ b/.github/workflows/upstream pretest.yaml	
@@ -188,13 +188,13 @@ jobs:
                                     param ($ref, $key)
                                     $pattern = "^meta\.$key=([0-9a-f]{40})$"
                                     
-                                    # Write-Host "--- Looking for commit message lines matching [$pattern]"
+                                    Write-Host "--- Looking for commit message lines matching [$pattern]"
                                     $res = @()
                                     foreach ($l in git log -1 --pretty=format:"%B" $ref) {
-                                        # Write-Host "----- $l"
+                                        Write-Host "----- $l"
                                         if ($l -notmatch $pattern) { continue }
                                         $sha = $matches[1]
-                                        # Write-Host "------- FOUND: $sha"
+                                        Write-Host "------- FOUND: $sha"
                                         $res += $sha
                                     }
                                     if (-not $?) { throw "git log failed" }
@@ -463,27 +463,34 @@ jobs:
                     
                     
                     
-                    Write-Host "=============================="
-                    git config -l
-                    if (-not $?) { throw "git config -l failed" }
-                    Write-Host "=============================="
+                    # Write-Host "=============================="
+                    # git config -l
+                    # if (-not $?) { throw "git config -l failed" }
+                    # Write-Host "=============================="
+                    
                     $main_repo_dir = './core'
                     New-Item -ItemType Directory -Path $main_repo_dir | Out-Null
                     Push-Location $main_repo_dir
                     $main_repo_url = '${{ github.server_url }}/${{ github.repository }}'
                     Write-Host "Cloning main repo [$main_repo_url]"
-                    git init
-                    if (-not $?) { throw "git init failed" }
-                    git config --local http.https://github.com/.extraheader "AUTHORIZATION: basic ${{ github.token }}"
-                    if (-not $?) { throw "git config failed" }
-                    Write-Host "=============================="
-                    git config -l
-                    if (-not $?) { throw "git config -l failed" }
-                    Write-Host "=============================="
-                    git remote add origin $main_repo_url
-                    if (-not $?) { throw "git remote add failed" }
-                    git -c protocol.version=2 fetch --no-tags --prune --depth=1 origin --filter=tree:0 --no-progress
-                    if (-not $?) { throw "git fetch failed" }
+                    
+                    git clone --filter=tree:0 --no-progress --no-checkout $main_repo_url .
+                    if (-not $?) { throw "git clone failed" }
+                    
+                    # git init
+                    # if (-not $?) { throw "git init failed" }
+                    # git config --local http.https://github.com/.extraheader "AUTHORIZATION: basic ${{ github.token }}"
+                    # if (-not $?) { throw "git config failed" }
+                    
+                    # Write-Host "=============================="
+                    # git config -l
+                    # if (-not $?) { throw "git config -l failed" }
+                    # Write-Host "=============================="
+                    
+                    # git remote add origin $main_repo_url
+                    # if (-not $?) { throw "git remote add failed" }
+                    # git -c protocol.version=2 fetch --no-tags --prune --depth=1 origin --filter=tree:0 --no-progress
+                    # if (-not $?) { throw "git fetch failed" }
                     
                     # git branch -r