[nayuos] fix crew function

software/nayuos/instance.cfg

@@ -99,7 +99,7 @@ context =
 recipe = slapos.recipe.template:jinja2
 template = {{ software_dir }}/scripts/cros_full_build.in
 rendered = ${directory:run}/cros_full_build
-md5sum = 5227b64852644d9874e3f67254f243ef
+md5sum = 5b00c5a841fdef28d8d8e373ea5c4e3b
 mode = 0700
 context =
   key bash_path                         bin:bash

software/nayuos/scripts/cros_full_build.in

@@ -276,7 +276,7 @@ crew() {
   if [[ ! -x /usr/local/bin/crew ]] ; then
     read -p "Chromebrew is not on this machine; do you want to install it? [Y/n] " -r -n 1 crew_install
     echo ""
-    if [[ ! $crew_install =~ ^[Nn]$ ]] ; then
+    if [[ ! \$crew_install =~ ^[Nn]$ ]] ; then
         echo "Fetching installation file..."
               curl -Ls https://lab.nexedi.com/nexedi/chromebrew/raw/nexedi/install.sh | bash
     else

software/nayuos/software.cfg

@@ -26,7 +26,7 @@ recipe = slapos.recipe.template:jinja2
 template = ${:_profile_base_location_}/instance.cfg
 rendered = ${buildout:directory}/instance.cfg
 mode = 0644
-md5sum = 462a8632f90a121029a90785a62841c4
+md5sum = 8a8af23968a57af9a3c82fc11e7bd193
 context =
   key software_dir            :_profile_base_location_
   key instance_dir            buildout:directory