Fix Gitea wrapper login resolution (#538)

packages/mosaic/framework/tools/git/pr-merge.ps1

@@ -74,6 +74,11 @@ switch ($platform) {
         & $cmd[0] $cmd[1..($cmd.Length-1)]
     }
     "gitea" {
+        $repoArgs = @(Get-GiteaRepoArgs)
+        if ($repoArgs.Length -eq 0) {
+            Write-Error "Could not resolve Gitea repo/login for remote host"
+            exit 1
+        }
         if (-not $SkipQueueGuard) {
             $timeout = if ($env:MOSAIC_CI_QUEUE_TIMEOUT_SEC) { [int]$env:MOSAIC_CI_QUEUE_TIMEOUT_SEC } else { 900 }
             $interval = if ($env:MOSAIC_CI_QUEUE_POLL_SEC) { [int]$env:MOSAIC_CI_QUEUE_POLL_SEC } else { 15 }
@@ -87,6 +92,7 @@ switch ($platform) {
             Write-Warning "Branch deletion after merge may need to be done separately with tea"
         }
 
+        $cmd += $repoArgs
         & $cmd[0] $cmd[1..($cmd.Length-1)]
     }
     default {