scripts: remove bashisms.

Convert bash scripts to more generic shell scripts. This removes the
strict bash dependency and the scripts should now run with any posix
shell. Also fix the issues reported by shellcheck while at it.

6 files changed, 19 insertions, 19 deletions

diff --git a/packaging/generic/check-ptp-camera b/packaging/generic/check-ptp-camera
index 1793fc833..bc3c6ac3d 100644
--- a/packaging/generic/check-ptp-camera
+++ b/packaging/generic/check-ptp-camera
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ -20,13 +20,13 @@ INTERFACE="${1:-06/01/01}"
 
 BASENAME=${DEVPATH##*/}
 for d in /sys/${DEVPATH}/${BASENAME}:*; do
-	[[ -d ${d} ]] || continue
-	INTERFACEID="$(< ${d}/bInterfaceClass)"
-	INTERFACEID="${INTERFACEID}/$(< ${d}/bInterfaceSubClass)"
-	INTERFACEID="${INTERFACEID}/$(< ${d}/bInterfaceProtocol)"
+	[ -d "${d}" ] || continue
+	INTERFACEID="$(cat "${d}"/bInterfaceClass)"
+	INTERFACEID="${INTERFACEID}/$(cat "${d}"/bInterfaceSubClass)"
+	INTERFACEID="${INTERFACEID}/$(cat "${d}"/bInterfaceProtocol)"
 
 	#echo ${d}: ${INTERFACEID}
-	if [[ ${INTERFACE} == ${INTERFACEID} ]]; then
+	if [ "${INTERFACE}" = "${INTERFACEID}" ]; then
 		# Found interface
 		exit 0
 	fi
diff --git a/packaging/linux-hotplug/gphoto-set-procperm b/packaging/linux-hotplug/gphoto-set-procperm
index d72ee68a4..977cbf5aa 100644
--- a/packaging/linux-hotplug/gphoto-set-procperm
+++ b/packaging/linux-hotplug/gphoto-set-procperm
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ -18,22 +18,22 @@
 # This is taken from Fedora Core gphoto2 package.
 # http://cvs.fedora.redhat.com/viewcvs/*checkout*/devel/gphoto2/gphoto-set-procperm
 
-console_user=`cat /var/run/console/console.lock` 
+console_user=$(cat /var/run/console/console.lock)
 
 if [ -z "$console_user" ] ; then
   exit 1 
 fi
 
-if [ -z "$HAL_PROP_USB_BUS_NUMBER" -o -z "$HAL_PROP_USB_LINUX_DEVICE_NUMBER" ] ; then
+if [ -z "$HAL_PROP_USB_BUS_NUMBER" ] || [ -z "$HAL_PROP_USB_LINUX_DEVICE_NUMBER" ] ; then
   exit 1 
 fi
 
-if [ $HAL_PROP_USB_BUS_NUMBER -lt 0 -o  $HAL_PROP_USB_LINUX_DEVICE_NUMBER -lt 0 ] ; then
+if [ "$HAL_PROP_USB_BUS_NUMBER" -lt 0 ] || [ "$HAL_PROP_USB_LINUX_DEVICE_NUMBER" -lt 0 ] ; then
   exit 1 
 fi
 
 
-bus_num=`printf %.3u $HAL_PROP_USB_BUS_NUMBER`
-dev_num=`printf %.3u $HAL_PROP_USB_LINUX_DEVICE_NUMBER`
+bus_num=$(printf %.3u "$HAL_PROP_USB_BUS_NUMBER")
+dev_num=$(printf %.3u "$HAL_PROP_USB_LINUX_DEVICE_NUMBER")
 
-chown $console_user /proc/bus/usb/$bus_num/$dev_num 
+chown "$console_user" /proc/bus/usb/"$bus_num"/"$dev_num"
diff --git a/packaging/linux-hotplug/usbcam.console b/packaging/linux-hotplug/usbcam.console
index d72128fe4..7ac6dc5a6 100755
--- a/packaging/linux-hotplug/usbcam.console
+++ b/packaging/linux-hotplug/usbcam.console
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ -50,7 +50,7 @@ then
         /var/lock/console.lock
     do
         if [ -f "$conlock" ]; then
-	    CONSOLEOWNER=`cat $conlock`
+            CONSOLEOWNER=$(cat $conlock)
         fi
     done
     if [ -n "$CONSOLEOWNER" ]
diff --git a/packaging/linux-hotplug/usbcam.group b/packaging/linux-hotplug/usbcam.group
index f96c33d02..8761facc0 100755
--- a/packaging/linux-hotplug/usbcam.group
+++ b/packaging/linux-hotplug/usbcam.group
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
diff --git a/packaging/linux-hotplug/usbcam.user b/packaging/linux-hotplug/usbcam.user
index c46f155a2..a3ba71a7c 100644
--- a/packaging/linux-hotplug/usbcam.user
+++ b/packaging/linux-hotplug/usbcam.user
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
diff --git a/packaging/linux-hotplug/usbcam.x11-app b/packaging/linux-hotplug/usbcam.x11-app
index 023ae9b1b..618e7dbd9 100644
--- a/packaging/linux-hotplug/usbcam.x11-app
+++ b/packaging/linux-hotplug/usbcam.x11-app
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ -69,7 +69,7 @@ then
     if [ "${USER}" != "root" ]
     then
 	# we don't want to run this as root. definitely not.
-	cd "${DIRECTORY}"
+	cd "${DIRECTORY}" || exit 1
 	usrhome=~${USER}
 	"${SU}" "${USER}" -c "${ENV} DISPLAY=${DISPLAY} HOME=${usrhome} ${X11_APP}"
     fi