osbuild-worker-executor: adapt worker-executor to osbuild-composer

cmd/osbuild-worker-executor/handler_build.go

@@ -81,6 +81,7 @@ func runOsbuild(logger *logrus.Logger, buildDir string, control *controlJSON, ou
 		return "", err
 	}
 
+	// the result is put into a tar because we get sparse file support for free this way
 	// #nosec G204
 	cmd = exec.Command(
 		"tar",

cmd/osbuild-worker-executor/handler_build_test.go

@@ -282,7 +282,6 @@ echo "fake-build-result" > %[1]s/build/output/image/disk.img
 
 	assert.Equal(t, http.StatusCreated, rsp.StatusCode)
 	reader := bufio.NewReader(rsp.Body)
-
 	var lineno, seconds, nano int64
 	for i := 1; i <= 3; i++ {
 		line, err := reader.ReadString('\n')

cmd/osbuild-worker-executor/main.go

@@ -74,7 +74,7 @@ func run(ctx context.Context, args []string, getenv func(string) string, logger
 func main() {
 	logger := logrus.New()
 	ctx := context.Background()
-	if err := run(ctx, os.Args, os.Getenv, logger); err != nil {
+	if err := run(ctx, os.Args[1:], os.Getenv, logger); err != nil {
 		fmt.Fprintf(os.Stderr, "%s\n", err)
 		os.Exit(1)
 	}