Applies some best practices to bash scripts

apply_patches.sh

@@ -1,7 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Installs selected content from the downloaded repos into a production folder
 #
+# Warning: git apply may fail if /opt/odoo/.git/ exists
 
 if [ $UID != 0 ]; then
     echo "You need administration privileges to run this script."
@@ -119,6 +120,7 @@ pt_all ()
     pt_community # Apply patches to OCA modules
 }
 
+set -ueo pipefail
 if (($# == 0))
 then
     Help

install_odoo_code.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Installs selected content from the downloaded repos into a production folder
 #
@@ -137,6 +137,7 @@ cp_all ()
     cp_custom    # Install Custom modules
 }
 
+set -ueo pipefail
 if (($# == 0))
 then
     Help

update_from_repo.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Updates code from the git repositories selected
 #
@@ -150,6 +150,7 @@ gt_all ()
     gt_custom    # Custom in-house modules
 }
 
+set -ueo pipefail
 if (($# == 0))
 then
     Help