diff --git a/Makefile b/Makefile
index b0e340d..a72669c 100644
--- a/Makefile
+++ b/Makefile
@@ -68,3 +68,6 @@ build-releases:
 	-go-deb --release --no-gui --repo go.wit.com/apps/go.wit.com
 	-go-deb --release --no-gui --repo go.wit.com/apps/helloworld
 	-go-deb --release --no-gui --repo go.wit.com/apps/go-deb
+
+debian:
+	./go-deb --no-gui --repo go.wit.com/apps/go-deb
diff --git a/buildPackage.go b/buildPackage.go
index 3e511d2..2fcfd32 100644
--- a/buildPackage.go
+++ b/buildPackage.go
@@ -91,8 +91,10 @@ func (c *controlBox) buildPackage() (bool, error) {
 			return false, errors.New("rm files/")
 		}
 	}
+	shell.Run([]string{"sync"}) // for some reason the next check fails sometimes?
 	if shell.Exists("files") {
-		log.Warn("rm failed")
+		// probably the 'shell' package id being stupid and not waiting for the process to actually exit
+		log.Warn("rm failed. files/ still exists. is golang doing these in parallel?")
 		return false, errors.New("rm files/")
 	}
 	if !shell.Mkdir("files/DEBIAN") {
@@ -131,9 +133,12 @@ func (c *controlBox) buildPackage() (bool, error) {
 		}
 	}
 
-	if !c.writeFiles() {
+	if !c.writeDebianControlFile() {
 		return false, errors.New("write control file")
 	}
+	if shell.Exists("postinst") {
+		shell.Run([]string{"cp", "postinst", "files/DEBIAN/"})
+	}
 
 	// experiment for the toolkit package
 	// if the git repo has a "./build" script run it before packaging
@@ -166,7 +171,7 @@ func (c *controlBox) buildPackage() (bool, error) {
 	return true, nil
 }
 
-func (c *controlBox) writeFiles() bool {
+func (c *controlBox) writeDebianControlFile() bool {
 	cf, err := os.OpenFile("files/DEBIAN/control", os.O_RDWR|os.O_CREATE, 0644)
 	if err != nil {
 		log.Info("open control file failed", err)