Fixes and completion of Invoke-DockerCompose

docker/Invoke-DockerCompose.ps1

@@ -62,7 +62,7 @@ foreach( $local:p in $CliParams ) {
     $local:AsJob = $false;
     $local:Wait  = $false;
 
-    if( $p -isnot [String] ) {
+    if( $p -isnot [String] -or $p.Length -eq 1 ) {
         $local:skipFirst = $true
         switch( $p[0] ) {
             '&' { $AsJob = $true }
@@ -72,7 +72,8 @@ foreach( $local:p in $CliParams ) {
         if( $skipFirst ) { $p = $p | Select-Object -Skip 1 }
     }
 
-    $dcParams = $p | Where-Object { $_ } | ForEach-Object {
+    $local:dcParams=@()
+    $local:dcParams = $p | Where-Object { $_ } | ForEach-Object {
         if( $_ -match "(?:^'[^']+'$)|(?:^`"[^`"]+`"$)|(?:^[^\s]+$)" ) { $_ }
         else { "'$($_.Replace( "'", "''" ))'" }
     }
@@ -81,16 +82,22 @@ foreach( $local:p in $CliParams ) {
         $local:dcPath = Join-Path $_ 'docker-compose.yml'
         if( -not (Test-Path $dcPath) ) { if( $Recurse ) { return } else { throw "ERROR: dcPath ($dcPath) does not exists" } }
        
-            Write-Verbose "& docker-compose --file $dcPath $dcParams"
-            if( $Wait -and -not $WhatIfPreference ) {
-                CompleteJobs
-            } 
-
-            if( -not $dcParams ) { continue }
-
+        if( $Wait ) {
             if( $WhatIfPreference ) {
-                Write-Host "In $dcPath Run $(if($AsJob){"(bg) "})with: $dcParams"
-            } elseif( $AsJob ) {
+                Write-Host -ForegroundColor DarkCyan "Wait for bg jobs to complete !"
+            } else {
+                CompleteJobs
+            }
+        } 
+
+        if( -not $dcParams ) { continue }
+
+        if( $WhatIfPreference ) {
+            Write-Host "In $dcPath Run $(if($AsJob){"(bg) "})with: $dcParams"
+        } else {
+            Write-Verbose "& docker-compose --file $dcPath $dcParams"
+
+            if( $AsJob ) {
                 $JobQueue += Start-Job -ArgumentList @($dcPath,$dcParams) -ScriptBlock {
                     param($dcPath,$dcParams)
                     [PSCustomObject] $([ordered]@{
@@ -102,9 +109,9 @@ foreach( $local:p in $CliParams ) {
             } else {
                 & docker-compose --file $dcPath $dcParams
             }
-
         }
     }
+}
 
 # if( $WhatIfPreference ) { return }