argument binding

example/test-example-service.ps1

@@ -5,7 +5,7 @@ $serviceName = "ExampleService-" + (New-Guid)
 
 $serviceLogDirecotry = "$PSScriptRoot/log"
 $serviceCommand = $currentPwshExe
-$serviceArguments = "$PSScriptRoot/test-service.ps1 -Message 'TestMessage with space!'"
+$serviceArguments = "$PSScriptRoot/test-service.ps1 -Message 'TestMessage with space!' -PathVar bind:PATH"
 
 $serviceBinPath = 'P:\projects\service-wrapper\main.exe'
 $serviceBinPath += ' -logdir "' + $serviceLogDirecotry + '"'

example/test-service.ps1

@@ -1,7 +1,10 @@
 param(
-    [string]$Message
+    [string]$Message,
+    [string]$PathVar
 )
 
+Write-Host "PATH: $PathVar"
+
 $i = 0
 while($true) {
     Start-Sleep(1)

main.go

@@ -4,12 +4,24 @@ import (
 	"flag"
 	"fmt"
 	"log"
+	"os"
+	"strings"
 
 	"github.com/bioapfelsaft/service-wrapper/service"
 	"golang.org/x/sys/windows/svc"
 )
 
-// #todo config
+// #todo config ?
+// 1. -bind:NAME -> -NAME <Value>
+// 2. -NAME cfg:VALUE_NAME -> -NAME <Value>
+
+// wrapper.exe -cfg-file test.yaml
+// $env:NAME="123" + binding
+
+// load order
+// 1. config file
+// 2. environment
+// 3. wrapper.exe -arguments "..."
 
 func parseCommandLine(commandArgs string) ([]string, error) {
 	args := []string{}
@@ -61,11 +73,19 @@ func main() {
 
 	flag.Parse()
 
+	//
 	args, err := parseCommandLine(*arguments)
 	if err != nil {
 		log.Fatalf("invalid arguments: %v", err)
 	}
 
+	//
+	for i := 0; i < len(args); i++ {
+		if strings.HasPrefix(args[i], "bind:") {
+			args[i] = os.Getenv(strings.TrimLeft(args[i], "bind:"))
+		}
+	}
+
 	//
 	isAnInteractiveSession, err := svc.IsAnInteractiveSession()
 	if err != nil {