From 52d0bad764f59acd738e64add91b498cc2b381d6 Mon Sep 17 00:00:00 2001
From: CvH <1355173+CvH@users.noreply.github.com>
Date: Sat, 6 Jul 2024 11:09:42 +0200
Subject: [PATCH] cleanup scripts: projects/

---
 projects/Allwinner/filesystem/usr/bin/cputemp |   2 +-
 projects/Allwinner/filesystem/usr/bin/gputemp |   6 +-
 projects/Amlogic/bootloader/canupdate.sh      |   2 +-
 projects/Amlogic/bootloader/update.sh         |  82 +++++-----
 projects/Amlogic/filesystem/usr/bin/cputemp   |   4 +-
 .../Amlogic/packages/systemd/scripts/cpufreq  |   8 +-
 .../x11/filesystem/usr/bin/intel-fullrange.sh |   7 +-
 projects/Generic/filesystem/usr/bin/cputemp   |  10 +-
 .../iMX6/filesystem/usr/bin/rdu-network       | 153 +++++++++---------
 .../devices/iMX8/filesystem/usr/bin/cputemp   |   2 +-
 .../devices/iMX8/filesystem/usr/bin/gputemp   |   2 +-
 .../devices/Dragonboard/bootloader/update.sh  |  20 +--
 projects/RPi/filesystem/usr/bin/cputemp       |   2 +-
 projects/RPi/packages/systemd/scripts/cpufreq |  10 +-
 .../devices/RK3288/filesystem/usr/bin/cputemp |   2 +-
 .../devices/RK3288/filesystem/usr/bin/gputemp |   2 +-
 projects/Rockchip/filesystem/usr/bin/cputemp  |   2 +-
 .../Rockchip/packages/systemd/scripts/cpufreq |   8 +-
 projects/Samsung/bootloader/update.sh         |  40 ++---
 projects/Samsung/filesystem/usr/bin/cputemp   |   2 +-
 20 files changed, 183 insertions(+), 183 deletions(-)

diff --git a/projects/Allwinner/filesystem/usr/bin/cputemp b/projects/Allwinner/filesystem/usr/bin/cputemp
index 11535271c5..33e4d3d5ff 100755
--- a/projects/Allwinner/filesystem/usr/bin/cputemp
+++ b/projects/Allwinner/filesystem/usr/bin/cputemp
@@ -5,4 +5,4 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Allwinner/filesystem/usr/bin/gputemp b/projects/Allwinner/filesystem/usr/bin/gputemp
index 761b5d1f30..cf7bcfe4a2 100755
--- a/projects/Allwinner/filesystem/usr/bin/gputemp
+++ b/projects/Allwinner/filesystem/usr/bin/gputemp
@@ -5,8 +5,8 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 if [ -f /sys/class/thermal/thermal_zone1/temp ]; then
-   TEMP="$(cat /sys/class/thermal/thermal_zone1/temp)"
+  TEMP="$(cat /sys/class/thermal/thermal_zone1/temp)"
 else
-   TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
+  TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
 fi
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Amlogic/bootloader/canupdate.sh b/projects/Amlogic/bootloader/canupdate.sh
index 4f61c09bfa..9542cc57c6 100644
--- a/projects/Amlogic/bootloader/canupdate.sh
+++ b/projects/Amlogic/bootloader/canupdate.sh
@@ -5,7 +5,7 @@
 
 # detect legacy kernel installs and abort to prevent upgrades
 case $(uname -r) in
-  3.14*|4.9*)
+  3.14* | 4.9*)
     echo "Updates from Amlogic vendor kernels are not supported!"
     sleep 10
     exit 1
diff --git a/projects/Amlogic/bootloader/update.sh b/projects/Amlogic/bootloader/update.sh
index fc91b8bd72..d692ddd3e3 100644
--- a/projects/Amlogic/bootloader/update.sh
+++ b/projects/Amlogic/bootloader/update.sh
@@ -8,56 +8,56 @@
 [ -z "$BOOT_PART" ] && BOOT_PART=$(df "$BOOT_ROOT" | tail -1 | awk {' print $1 '})
 
 # identify the boot device
-  if [ -z "$BOOT_DISK" ]; then
-    case $BOOT_PART in
-      /dev/sd[a-z][0-9]*)
-        BOOT_DISK=$(echo $BOOT_PART | sed -e "s,[0-9]*,,g")
-        ;;
-      /dev/mmcblk*)
-        BOOT_DISK=$(echo $BOOT_PART | sed -e "s,p[0-9]*,,g")
-        ;;
-    esac
-  fi
+if [ -z "$BOOT_DISK" ]; then
+  case $BOOT_PART in
+    /dev/sd[a-z][0-9]*)
+      BOOT_DISK=$(echo $BOOT_PART | sed -e "s,[0-9]*,,g")
+      ;;
+    /dev/mmcblk*)
+      BOOT_DISK=$(echo $BOOT_PART | sed -e "s,p[0-9]*,,g")
+      ;;
+  esac
+fi
 
 # mount $BOOT_ROOT rw
-  mount -o remount,rw $BOOT_ROOT
+mount -o remount,rw $BOOT_ROOT
 
 # update /amlogic device trees
-  if [ -d $BOOT_ROOT/amlogic ]; then
-    for dtbfile in $BOOT_ROOT/amlogic/*.dtb ; do
-      dtb=$(basename $dtbfile)
-      echo "Updating $dtb"
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/amlogic/ 2>/dev/null || true
-     done
-  fi
+if [ -d $BOOT_ROOT/amlogic ]; then
+  for dtbfile in $BOOT_ROOT/amlogic/*.dtb; do
+    dtb=$(basename $dtbfile)
+    echo "Updating $dtb"
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/amlogic/ 2>/dev/null || true
+  done
+fi
 
 # update /extlinux device trees
-  if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
-    for dtbfile in $BOOT_ROOT/*.dtb ; do
-      dtb=$(basename $dtbfile)
-      echo "Updating $dtb"
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/ 2>/dev/null || true
-    done
-  fi
+if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
+  for dtbfile in $BOOT_ROOT/*.dtb; do
+    dtb=$(basename $dtbfile)
+    echo "Updating $dtb"
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/ 2>/dev/null || true
+  done
+fi
 
 # update /dtb device trees
-  if [ -d $BOOT_ROOT/dtb ]; then
-    for dtbfile in $BOOT_ROOT/dtb/*.dtb ; do
-      dtb=$(basename $dtbfile)
-      echo "Updating $dtb"
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/dtb/ 2>/dev/null || true
-    done
-  fi
+if [ -d $BOOT_ROOT/dtb ]; then
+  for dtbfile in $BOOT_ROOT/dtb/*.dtb; do
+    dtb=$(basename $dtbfile)
+    echo "Updating $dtb"
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/dtb/ 2>/dev/null || true
+  done
+fi
 
 # update u-boot scripts
-  if [ -f $BOOT_ROOT/uEnv.ini ]; then
-    for scriptfile in $SYSTEM_ROOT/usr/share/bootloader/*_autoscript* $SYSTEM_ROOT/usr/share/bootloader/*.scr ; do
-      script=$(basename $scriptfile)
-      echo "Updating $script"
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$script $BOOT_ROOT/ 2>/dev/null || true
-    done
-  fi
+if [ -f $BOOT_ROOT/uEnv.ini ]; then
+  for scriptfile in $SYSTEM_ROOT/usr/share/bootloader/*_autoscript* $SYSTEM_ROOT/usr/share/bootloader/*.scr; do
+    script=$(basename $scriptfile)
+    echo "Updating $script"
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$script $BOOT_ROOT/ 2>/dev/null || true
+  done
+fi
 
 # mount $BOOT_ROOT ro
-  sync
-  mount -o remount,ro $BOOT_ROOT
+sync
+mount -o remount,ro $BOOT_ROOT
diff --git a/projects/Amlogic/filesystem/usr/bin/cputemp b/projects/Amlogic/filesystem/usr/bin/cputemp
index 312f817d74..64397436ca 100755
--- a/projects/Amlogic/filesystem/usr/bin/cputemp
+++ b/projects/Amlogic/filesystem/usr/bin/cputemp
@@ -4,7 +4,7 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 case $(dtsoc) in
-  amlogic,g12*|amlogic,sm1)
+  amlogic,g12* | amlogic,sm1)
     TEMP=$(cat /sys/devices/virtual/thermal/thermal_zone1/temp)
     ;;
   *)
@@ -12,5 +12,5 @@ case $(dtsoc) in
     ;;
 esac
 
-TEMP="$(( $TEMP / 1000 ))"
+TEMP="$(($TEMP / 1000))"
 echo "${TEMP} C"
diff --git a/projects/Amlogic/packages/systemd/scripts/cpufreq b/projects/Amlogic/packages/systemd/scripts/cpufreq
index 940e090a58..9afa1b1b06 100755
--- a/projects/Amlogic/packages/systemd/scripts/cpufreq
+++ b/projects/Amlogic/packages/systemd/scripts/cpufreq
@@ -8,16 +8,16 @@ SYS_CPUFREQ_GOV=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
 
 if [ "${SYS_CPUFREQ_GOV}" = "ondemand" ]; then
   for io_is_busy in $(find /sys/devices/system/cpu -name io_is_busy); do
-    echo 1 > "${io_is_busy}"
+    echo 1 >"${io_is_busy}"
   done
   for up_threshold in $(find /sys/devices/system/cpu -name up_threshold); do
-    echo 50 > "${up_threshold}"
+    echo 50 >"${up_threshold}"
   done
   for sampling_rate in $(find /sys/devices/system/cpu -name sampling_rate); do
-    echo 100000 > "${sampling_rate}"
+    echo 100000 >"${sampling_rate}"
   done
   for sampling_down_factor in $(find /sys/devices/system/cpu -name sampling_down_factor); do
-    echo 50 > "${sampling_down_factor}"
+    echo 50 >"${sampling_down_factor}"
   done
 else
   echo "cpufreq: settings not found for current cpu governor." | systemd-cat -p info
diff --git a/projects/Generic/devices/x11/filesystem/usr/bin/intel-fullrange.sh b/projects/Generic/devices/x11/filesystem/usr/bin/intel-fullrange.sh
index f114b9f8b3..8bd01d287a 100755
--- a/projects/Generic/devices/x11/filesystem/usr/bin/intel-fullrange.sh
+++ b/projects/Generic/devices/x11/filesystem/usr/bin/intel-fullrange.sh
@@ -2,14 +2,15 @@
 FB_TYPE="$(grep '^0 ' /proc/fb | sed 's/[^[:space:]] //')"
 
 if [ "$FB_TYPE" == "inteldrmfb" ] || echo "$FB_TYPE" | grep -q "^i9[0-9]*drmfb$"; then
-  OUTPUT=`/usr/bin/xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q'`
-  for out in $OUTPUT ; do
+  OUTPUT=$(/usr/bin/xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q')
+  for out in $OUTPUT; do
     # Hack - something is not yet fully right
     /usr/bin/xrandr -display :0 --output $out --set "Broadcast RGB" "Full"
     # Seems there is a little race somewhere on some outputs
     # Turn the display shortly off and on again
     if [ -e "/storage/.config/forcedisplay" ]; then
-      /usr/bin/xrandr -display :0 --output $out --off ; /usr/bin/xrandr -display :0 --output $out --auto
+      /usr/bin/xrandr -display :0 --output $out --off
+      /usr/bin/xrandr -display :0 --output $out --auto
     fi
   done
 fi
diff --git a/projects/Generic/filesystem/usr/bin/cputemp b/projects/Generic/filesystem/usr/bin/cputemp
index 747bdb0e35..e64e0535f3 100755
--- a/projects/Generic/filesystem/usr/bin/cputemp
+++ b/projects/Generic/filesystem/usr/bin/cputemp
@@ -16,16 +16,16 @@ if [ $(basename "$0") = "gputemp" -o "$1" = "gpu" ]; then
     for hwmon in /sys/class/hwmon/*; do
       if [ -f "${hwmon}/name" ]; then
         case $(cat ${hwmon}/name) in
-          nouveau|radeon|amdgpu)
+          nouveau | radeon | amdgpu)
             [[ -f "${hwmon}/temp1_input" ]] && TEMP="$(cat ${hwmon}/temp1_input)" && break
             [[ -f "${hwmon}/temp2_input" ]] && TEMP="$(cat ${hwmon}/temp2_input)" && break
             ;;
-          # intel gpu is supported by cpu coretemp below
+            # intel gpu is supported by cpu coretemp below
         esac
       fi
     done
 
-    TEMP="$(( $TEMP / 1000 ))"
+    TEMP="$(($TEMP / 1000))"
   fi
 fi
 
@@ -34,7 +34,7 @@ if [ "$1" = "cpu" -o "$TEMP" = "0" ]; then
   for hwmon in /sys/class/hwmon/*; do
     if [ -f "${hwmon}/name" ]; then
       case $(cat ${hwmon}/name) in
-        coretemp|k10temp|scpi_sensors)
+        coretemp | k10temp | scpi_sensors)
           [[ -f "${hwmon}/temp1_input" ]] && TEMP="$(cat ${hwmon}/temp1_input)" && break
           [[ -f "${hwmon}/temp2_input" ]] && TEMP="$(cat ${hwmon}/temp2_input)" && break
           ;;
@@ -46,7 +46,7 @@ if [ "$1" = "cpu" -o "$TEMP" = "0" ]; then
     TEMP="$(cat /sys/class/hwmon/hwmon0/device/temp1_input)"
   fi
 
-  TEMP="$(( $TEMP / 1000 ))"
+  TEMP="$(($TEMP / 1000))"
 fi
 
 echo "${TEMP} C"
diff --git a/projects/NXP/devices/iMX6/filesystem/usr/bin/rdu-network b/projects/NXP/devices/iMX6/filesystem/usr/bin/rdu-network
index 2dc484b01a..9f9ff24d7a 100755
--- a/projects/NXP/devices/iMX6/filesystem/usr/bin/rdu-network
+++ b/projects/NXP/devices/iMX6/filesystem/usr/bin/rdu-network
@@ -13,105 +13,104 @@ USED_IFACES=""
 
 function log
 {
-    logger -t "${LOGGER_TAG}" "$@"
+  logger -t "${LOGGER_TAG}" "$@"
 }
 
 function logerr
 {
-    logger -t "${LOGGER_TAG}" -p "err" "$@"
+  logger -t "${LOGGER_TAG}" -p "err" "$@"
 }
 
 # Select setup based on model
 
 case "${MODEL}" in
-    "ZII RDU2+ Board" | "ZII RDU2 Board")
-        log "Loading RDU2 networking setup..."
-        IP_IFACE="eth1"
-        BR_NAME="br0"
-        BR_IFACES="netaux netleft netright gigabit_proc"
-        ALL_IFACES="eth0 ${IP_IFACE} ${BR_IFACES} ${BR_NAME}"
-        ;;
-    "ZII RDU1 Board")
-        log "Loading RDU1 networking setup..."
-        IP_IFACE="br0"
-        BR_NAME="br0"
-        BR_IFACES="netaux netleft netright"
-        ALL_IFACES="eth0 ${BR_NAME} ${BR_IFACES}"
-        ;;
-    *)
-        logerr "invalid hardware model detected: ${MODEL}"
-        exit 1
-        ;;
+  "ZII RDU2+ Board" | "ZII RDU2 Board")
+    log "Loading RDU2 networking setup..."
+    IP_IFACE="eth1"
+    BR_NAME="br0"
+    BR_IFACES="netaux netleft netright gigabit_proc"
+    ALL_IFACES="eth0 ${IP_IFACE} ${BR_IFACES} ${BR_NAME}"
+    ;;
+  "ZII RDU1 Board")
+    log "Loading RDU1 networking setup..."
+    IP_IFACE="br0"
+    BR_NAME="br0"
+    BR_IFACES="netaux netleft netright"
+    ALL_IFACES="eth0 ${BR_NAME} ${BR_IFACES}"
+    ;;
+  *)
+    logerr "invalid hardware model detected: ${MODEL}"
+    exit 1
+    ;;
 esac
 
 case "${ACTION}" in
 
-    "start")
+  "start")
 
-        # Assume RDU network is already started if the bridge is available
-        if [ -d /sys/class/net/${BR_NAME} ]; then
-            log "Networking setup is already started"
-            exit 0
-        fi
+    # Assume RDU network is already started if the bridge is available
+    if [ -d /sys/class/net/${BR_NAME} ]; then
+      log "Networking setup is already started"
+      exit 0
+    fi
 
-        # Cleanup all addresses from all interfaces and bring them down
-        log "Resetting interfaces..."
-        for IFACE in ${ALL_IFACES}; do
-            log "  Resetting ${IFACE}..."
-            ip addr flush dev ${IFACE} >/dev/null 2>&1
-            ip link set dev ${IFACE} down >/dev/null 2>&1
-        done
+    # Cleanup all addresses from all interfaces and bring them down
+    log "Resetting interfaces..."
+    for IFACE in ${ALL_IFACES}; do
+      log "  Resetting ${IFACE}..."
+      ip addr flush dev ${IFACE} >/dev/null 2>&1
+      ip link set dev ${IFACE} down >/dev/null 2>&1
+    done
 
-        # Create bridge with all interfaces
-        log "Creating bridge interface..."
-        brctl addbr ${BR_NAME} >/dev/null 2>&1
-        for IFACE in ${BR_IFACES}; do
-            log "  Adding ${IFACE} to bridge..."
-            brctl addif ${BR_NAME} ${IFACE} >/dev/null 2>&1
-        done
+    # Create bridge with all interfaces
+    log "Creating bridge interface..."
+    brctl addbr ${BR_NAME} >/dev/null 2>&1
+    for IFACE in ${BR_IFACES}; do
+      log "  Adding ${IFACE} to bridge..."
+      brctl addif ${BR_NAME} ${IFACE} >/dev/null 2>&1
+    done
 
-        # Bring all bridge interfaces and the bridge itself up
-        log "Bringing up all interfaces..."
-        for IFACE in ${ALL_IFACES}; do
-            log "  Bringing up ${IFACE}..."
-            ip link set dev ${IFACE} up >/dev/null 2>&1
-        done
+    # Bring all bridge interfaces and the bridge itself up
+    log "Bringing up all interfaces..."
+    for IFACE in ${ALL_IFACES}; do
+      log "  Bringing up ${IFACE}..."
+      ip link set dev ${IFACE} up >/dev/null 2>&1
+    done
 
-        # All done
-        log "RDU networking started"
-        exit 0
-        ;;
+    # All done
+    log "RDU networking started"
+    exit 0
+    ;;
 
-    "stop")
+  "stop")
 
-        # Assume RDU network is already stopped if the bridge is available
-        if [ ! -d /sys/class/net/${BR_NAME} ]; then
-            log "Networking setup is already stopped"
-            exit 0
-        fi
+    # Assume RDU network is already stopped if the bridge is available
+    if [ ! -d /sys/class/net/${BR_NAME} ]; then
+      log "Networking setup is already stopped"
+      exit 0
+    fi
 
-        # Cleanup all addresses from all interfaces and bring them down
-        log "Resetting interfaces..."
-        for IFACE in ${ALL_IFACES}; do
-            ip addr flush dev ${IFACE} >/dev/null 2>&1
-            ip link set dev ${IFACE} down >/dev/null 2>&1
-        done
+    # Cleanup all addresses from all interfaces and bring them down
+    log "Resetting interfaces..."
+    for IFACE in ${ALL_IFACES}; do
+      ip addr flush dev ${IFACE} >/dev/null 2>&1
+      ip link set dev ${IFACE} down >/dev/null 2>&1
+    done
 
-        # Remove bridge interfaces and bridge itself
-        log "Removing bridge interface..."
-        for IFACE in ${BR_IFACES}; do
-            brctl delif ${BR_NAME} ${IFACE} >/dev/null 2>&1
-        done
-        brctl delbr ${BR_NAME} >/dev/null 2>&1
+    # Remove bridge interfaces and bridge itself
+    log "Removing bridge interface..."
+    for IFACE in ${BR_IFACES}; do
+      brctl delif ${BR_NAME} ${IFACE} >/dev/null 2>&1
+    done
+    brctl delbr ${BR_NAME} >/dev/null 2>&1
 
-        # All done
-        log "RDU networking stopped"
-        exit 0
-        ;;
+    # All done
+    log "RDU networking stopped"
+    exit 0
+    ;;
 
-    *)
-        logerr "invalid action requested: ${ACTION}"
-        exit 2
-        ;;
+  *)
+    logerr "invalid action requested: ${ACTION}"
+    exit 2
+    ;;
 esac
-
diff --git a/projects/NXP/devices/iMX8/filesystem/usr/bin/cputemp b/projects/NXP/devices/iMX8/filesystem/usr/bin/cputemp
index ba32390a43..8eec69c21e 100755
--- a/projects/NXP/devices/iMX8/filesystem/usr/bin/cputemp
+++ b/projects/NXP/devices/iMX8/filesystem/usr/bin/cputemp
@@ -4,4 +4,4 @@
 # Copyright (C) 2021-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/NXP/devices/iMX8/filesystem/usr/bin/gputemp b/projects/NXP/devices/iMX8/filesystem/usr/bin/gputemp
index a3d2f4f34e..c2f56a0e76 100755
--- a/projects/NXP/devices/iMX8/filesystem/usr/bin/gputemp
+++ b/projects/NXP/devices/iMX8/filesystem/usr/bin/gputemp
@@ -4,4 +4,4 @@
 # Copyright (C) 2021-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone1/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Qualcomm/devices/Dragonboard/bootloader/update.sh b/projects/Qualcomm/devices/Dragonboard/bootloader/update.sh
index 5fc9961e23..eba28ea271 100644
--- a/projects/Qualcomm/devices/Dragonboard/bootloader/update.sh
+++ b/projects/Qualcomm/devices/Dragonboard/bootloader/update.sh
@@ -16,17 +16,17 @@ if [ -z "$BOOT_DISK" ]; then
 fi
 
 # mount $BOOT_ROOT r/w
-  mount -o remount,rw $BOOT_ROOT
+mount -o remount,rw $BOOT_ROOT
 
 # update Device Tree Blobs
-  for all_dtb in /flash/*.dtb; do
-    dtb=$(basename $all_dtb)
-    if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
-      echo "*** updating Device Tree Blob: $dtb ..."
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
-    fi
-  done
+for all_dtb in /flash/*.dtb; do
+  dtb=$(basename $all_dtb)
+  if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
+    echo "*** updating Device Tree Blob: $dtb ..."
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
+  fi
+done
 
 # mount $BOOT_ROOT r/o
-  sync
-  mount -o remount,ro $BOOT_ROOT
+sync
+mount -o remount,ro $BOOT_ROOT
diff --git a/projects/RPi/filesystem/usr/bin/cputemp b/projects/RPi/filesystem/usr/bin/cputemp
index 11535271c5..33e4d3d5ff 100755
--- a/projects/RPi/filesystem/usr/bin/cputemp
+++ b/projects/RPi/filesystem/usr/bin/cputemp
@@ -5,4 +5,4 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/RPi/packages/systemd/scripts/cpufreq b/projects/RPi/packages/systemd/scripts/cpufreq
index 8fb2b3976a..0c402a9b17 100755
--- a/projects/RPi/packages/systemd/scripts/cpufreq
+++ b/projects/RPi/packages/systemd/scripts/cpufreq
@@ -4,15 +4,15 @@
 # Copyright (C) 2009-2015 Stephan Raue (stephan@openelec.tv)
 # Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
 
-SYS_CPUFREQ_GOV=$( cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor )
+SYS_CPUFREQ_GOV=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
 SYS_ONDEMAND_DIR="/sys/devices/system/cpu/cpufreq/ondemand/"
 
 # Configure frequency scaling properties
 if [ "${SYS_CPUFREQ_GOV}" = "ondemand" ]; then
-  echo 1 > "${SYS_ONDEMAND_DIR}/io_is_busy"
-  echo 50 > "${SYS_ONDEMAND_DIR}/up_threshold"
-  echo 100000 > "${SYS_ONDEMAND_DIR}/sampling_rate"
-  echo 50 > "${SYS_ONDEMAND_DIR}/sampling_down_factor"
+  echo 1 >"${SYS_ONDEMAND_DIR}/io_is_busy"
+  echo 50 >"${SYS_ONDEMAND_DIR}/up_threshold"
+  echo 100000 >"${SYS_ONDEMAND_DIR}/sampling_rate"
+  echo 50 >"${SYS_ONDEMAND_DIR}/sampling_down_factor"
 else
   echo "cpufreq: settings not found for current cpu governor." | systemd-cat -p info
 fi
diff --git a/projects/Rockchip/devices/RK3288/filesystem/usr/bin/cputemp b/projects/Rockchip/devices/RK3288/filesystem/usr/bin/cputemp
index 11535271c5..33e4d3d5ff 100755
--- a/projects/Rockchip/devices/RK3288/filesystem/usr/bin/cputemp
+++ b/projects/Rockchip/devices/RK3288/filesystem/usr/bin/cputemp
@@ -5,4 +5,4 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Rockchip/devices/RK3288/filesystem/usr/bin/gputemp b/projects/Rockchip/devices/RK3288/filesystem/usr/bin/gputemp
index 73d0115961..99794b412a 100755
--- a/projects/Rockchip/devices/RK3288/filesystem/usr/bin/gputemp
+++ b/projects/Rockchip/devices/RK3288/filesystem/usr/bin/gputemp
@@ -5,4 +5,4 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone1/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Rockchip/filesystem/usr/bin/cputemp b/projects/Rockchip/filesystem/usr/bin/cputemp
index 11535271c5..33e4d3d5ff 100755
--- a/projects/Rockchip/filesystem/usr/bin/cputemp
+++ b/projects/Rockchip/filesystem/usr/bin/cputemp
@@ -5,4 +5,4 @@
 # Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 TEMP="$(cat /sys/class/thermal/thermal_zone0/temp)"
-echo "$(( $TEMP / 1000 )) C"
+echo "$(($TEMP / 1000)) C"
diff --git a/projects/Rockchip/packages/systemd/scripts/cpufreq b/projects/Rockchip/packages/systemd/scripts/cpufreq
index 940e090a58..9afa1b1b06 100755
--- a/projects/Rockchip/packages/systemd/scripts/cpufreq
+++ b/projects/Rockchip/packages/systemd/scripts/cpufreq
@@ -8,16 +8,16 @@ SYS_CPUFREQ_GOV=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
 
 if [ "${SYS_CPUFREQ_GOV}" = "ondemand" ]; then
   for io_is_busy in $(find /sys/devices/system/cpu -name io_is_busy); do
-    echo 1 > "${io_is_busy}"
+    echo 1 >"${io_is_busy}"
   done
   for up_threshold in $(find /sys/devices/system/cpu -name up_threshold); do
-    echo 50 > "${up_threshold}"
+    echo 50 >"${up_threshold}"
   done
   for sampling_rate in $(find /sys/devices/system/cpu -name sampling_rate); do
-    echo 100000 > "${sampling_rate}"
+    echo 100000 >"${sampling_rate}"
   done
   for sampling_down_factor in $(find /sys/devices/system/cpu -name sampling_down_factor); do
-    echo 50 > "${sampling_down_factor}"
+    echo 50 >"${sampling_down_factor}"
   done
 else
   echo "cpufreq: settings not found for current cpu governor." | systemd-cat -p info
diff --git a/projects/Samsung/bootloader/update.sh b/projects/Samsung/bootloader/update.sh
index e61ff3ef0f..80f88bea56 100644
--- a/projects/Samsung/bootloader/update.sh
+++ b/projects/Samsung/bootloader/update.sh
@@ -8,29 +8,29 @@
 [ -z "$BOOT_PART" ] && BOOT_PART=$(df "$BOOT_ROOT" | tail -1 | awk {' print $1 '})
 
 # identify the boot device
-  if [ -z "$BOOT_DISK" ]; then
-    case $BOOT_PART in
-      /dev/sd[a-z][0-9]*)
-        BOOT_DISK=$(echo $BOOT_PART | sed -e "s,[0-9]*,,g")
-        ;;
-      /dev/mmcblk*)
-        BOOT_DISK=$(echo $BOOT_PART | sed -e "s,p[0-9]*,,g")
-        ;;
-    esac
-  fi
+if [ -z "$BOOT_DISK" ]; then
+  case $BOOT_PART in
+    /dev/sd[a-z][0-9]*)
+      BOOT_DISK=$(echo $BOOT_PART | sed -e "s,[0-9]*,,g")
+      ;;
+    /dev/mmcblk*)
+      BOOT_DISK=$(echo $BOOT_PART | sed -e "s,p[0-9]*,,g")
+      ;;
+  esac
+fi
 
 # mount $BOOT_ROOT rw
-  mount -o remount,rw $BOOT_ROOT
+mount -o remount,rw $BOOT_ROOT
 
 # update extlinux device trees
-  if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
-    for dtbfile in $BOOT_ROOT/*.dtb ; do
-      dtb=$(basename $dtbfile)
-      echo "Updating $dtb"
-      cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/ 2>/dev/null || true
-    done
-  fi
+if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
+  for dtbfile in $BOOT_ROOT/*.dtb; do
+    dtb=$(basename $dtbfile)
+    echo "Updating $dtb"
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/ 2>/dev/null || true
+  done
+fi
 
 # mount $BOOT_ROOT ro
-  sync
-  mount -o remount,ro $BOOT_ROOT
+sync
+mount -o remount,ro $BOOT_ROOT
diff --git a/projects/Samsung/filesystem/usr/bin/cputemp b/projects/Samsung/filesystem/usr/bin/cputemp
index 5275e17be5..60e91cb63b 100755
--- a/projects/Samsung/filesystem/usr/bin/cputemp
+++ b/projects/Samsung/filesystem/usr/bin/cputemp
@@ -5,5 +5,5 @@
 
 # XU4 has 5x sensors so read them all and report the highest value
 TEMP=$(cat /sys/devices/virtual/thermal/thermal_zone*/temp | sort -n | tail -1)
-TEMP="$(( $TEMP / 1000 ))"
+TEMP="$(($TEMP / 1000))"
 echo "${TEMP} C"