Use bash not sh for util scripts

utils/bash.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Open SSH to app instance
 

utils/create_migration.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Create a database migration, and copy it back to the host.
 

utils/db.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Open SQL console for the database
 

utils/downgrade_migration.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Create a database migration, and copy it back to the host.
 

utils/reload.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Hot/live reload - only works in debug mode
 

utils/run_migrations.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Run all pending migrations
 

utils/tests.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 . "${BASH_SOURCE%/*}/common.sh"

utils/tests_cov.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 . "${BASH_SOURCE%/*}/common.sh"