correct postinst dir install path, force bash on ubuntu

docker-build-centos.sh

@@ -71,10 +71,10 @@ make
 %post
 echo Creating laminar user with home in %{_sharedstatedir}/laminar
 useradd -r -d %{_sharedstatedir}/laminar -s %{_sbindir}/nologin laminar
-mkdir -p %{_sharedstatedir}/laminar/{jobs,archive,nodes,scripts}
+mkdir -p %{_sharedstatedir}/laminar/cfg/{jobs,nodes,scripts}
 chown -R laminar: %{_sharedstatedir}/laminar
 EOF
 
 rpmbuild -ba laminar.spec
 mv rpmbuild/RPMS/x86_64/laminar-0.1-1.x86_64.rpm /output/
-EOS
+EOS

docker-build-ubuntu.sh

@@ -59,10 +59,10 @@ Depends: libboost-filesystem1.55.0
 Description: Lightweight Continuous Integration Service
 EOF
 cat <<EOF > laminar/DEBIAN/postinst
-#!/bin/sh
+#!/bin/bash
 echo Creating laminar user with home in /var/lib/laminar
 useradd -r -d /var/lib/laminar -s /usr/sbin/nologin laminar
-mkdir -p /var/lib/laminar/{jobs,archive,nodes,scripts}
+mkdir -p /var/lib/laminar/cfg/{jobs,nodes,scripts}
 chown -R laminar: /var/lib/laminar
 EOF
 chmod +x laminar/DEBIAN/postinst