Changed shebangs to be portable

I did this because hardcoding /bin/bash is generally not good practice

build-docker.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+set -eu
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 BUILD_OPTS="$*"

build.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 # shellcheck disable=SC2119
 run_sub_stage()
 {

export-image/00-allow-rerun/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 if [ ! -x "${ROOTFS_DIR}/usr/bin/qemu-arm-static" ]; then
 	cp /usr/bin/qemu-arm-static "${ROOTFS_DIR}/usr/bin/"

export-image/01-set-sources/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 on_chroot << EOF
 apt-get update

export-image/02-network/01-run.sh

@@ -1,3 +1,4 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 644 files/resolv.conf "${ROOTFS_DIR}/etc/"

export-image/03-set-partuuid/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 IMG_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.img"
 

export-image/04-finalise/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 IMG_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.img"
 INFO_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.info"

export-image/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 IMG_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.img"
 

export-noobs/00-release/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 NOOBS_DIR="${STAGE_WORK_DIR}/${IMG_DATE}-${IMG_NAME}${IMG_SUFFIX}"
 

export-noobs/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 IMG_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.img"
 NOOBS_DIR="${STAGE_WORK_DIR}/${IMG_DATE}-${IMG_NAME}${IMG_SUFFIX}"

stage0/00-configure-apt/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 644 files/sources.list "${ROOTFS_DIR}/etc/apt/"
 install -m 644 files/raspi.list "${ROOTFS_DIR}/etc/apt/sources.list.d/"

stage0/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 if [ ! -d "${ROOTFS_DIR}" ]; then
   bootstrap ${RELEASE} "${ROOTFS_DIR}" http://deb.debian.org/debian/

stage1/00-boot-files/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 644 files/cmdline.txt "${ROOTFS_DIR}/boot/"
 install -m 644 files/config.txt "${ROOTFS_DIR}/boot/"

stage1/01-sys-tweaks/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -d "${ROOTFS_DIR}/etc/systemd/system/getty@tty1.service.d"
 install -m 644 files/noclear.conf "${ROOTFS_DIR}/etc/systemd/system/getty@tty1.service.d/noclear.conf"

stage1/02-net-tweaks/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 echo "${TARGET_HOSTNAME}" > "${ROOTFS_DIR}/etc/hostname"
 echo "127.0.1.1		${TARGET_HOSTNAME}" >> "${ROOTFS_DIR}/etc/hosts"

stage1/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 if [ ! -d "${ROOTFS_DIR}" ]; then
 	copy_previous

stage2/01-sys-tweaks/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 755 files/resize2fs_once	"${ROOTFS_DIR}/etc/init.d/"
 

stage2/02-net-tweaks/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 #install -v -d					"${ROOTFS_DIR}/etc/systemd/system/dhcpcd.service.d"
 #install -v -m 644 files/wait.conf		"${ROOTFS_DIR}/etc/systemd/system/dhcpcd.service.d/"

stage2/03-set-timezone/02-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 echo "${TIMEZONE_DEFAULT}" > "${ROOTFS_DIR}/etc/timezone"
 rm "${ROOTFS_DIR}/etc/localtime"

stage2/04-octoprint/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 644 files/octoprint.service ${ROOTFS_DIR}/etc/systemd/system/octoprint.service
 mkdir -p ${ROOTFS_DIR}/home/octoprint/.octoprint/  

stage2/04-octoprint/files/restart-octoprint

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [ "$EUID" -ne 0 ]; then 
   echo "This script needs to be run as root."

stage2/05-mjpgstreamer/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 install -m 644 files/mjpg-streamer.service ${ROOTFS_DIR}/etc/systemd/system/mjpg-streamer.service
 install -m 755 files/start-mjpg ${ROOTFS_DIR}/usr/local/bin/start-mjpg

stage2/05-mjpgstreamer/files/start-mjpg

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Include environment variables
 source /usr/local/etc/mjpg-server/config.sh

stage2/06-utils/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 mkdir -p "${ROOTFS_DIR}/usr/local/bin/"
 install -m 755 files/octo-config "${ROOTFS_DIR}/usr/local/bin/octo-config"

stage2/06-utils/files/first-time.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This should never happen, no harm in checking though ;)
 if [ "$EUID" -ne 0 ]; then 

stage2/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 if [ ! -d "${ROOTFS_DIR}" ]; then
 	copy_previous

stage3/00-install-packages/01-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 mkdir -p ${ROOTFS_DIR}/etc/default
 install -m 644 files/nodm ${ROOTFS_DIR}/etc/default/nodm

stage3/01-tweaks/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 #rm -f "${ROOTFS_DIR}/etc/systemd/system/dhcpcd.service.d/wait.conf"
 

stage3/02-kiosk/00-run.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 mkdir -p "${ROOTFS_DIR}/home/kiosk"
 install -m 755 files/.xprofile "${ROOTFS_DIR}/home/kiosk/.xprofile"

stage3/02-kiosk/files/.browser.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Grabs the port (and IP) out of the nginx config
 LISTEN=$(awk '/listen/{gsub(";",""); print $2}' /etc/nginx/listen.conf)

stage3/prerun.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 if [ ! -d "${ROOTFS_DIR}" ]; then
 	copy_previous