Fix service unit file on Arch Linux (#190)

* Fix service unit file on arch.

* Remove duplication in installer script.

* Improve formatting of installer script bash code.

auto-cpufreq-installer

@@ -11,15 +11,14 @@ distro="$(lsb_release -is)"
 release="$(lsb_release -rs)"
 codename="$(lsb_release -cs)"
 
-separator(){
+function separator {
   sep="\n-------------------------------------------------------------------------------"
   echo -e $sep
 }
 
 # root check
-root_check(){
-if (( $EUID != 0 ));
-then
+function root_check {
+  if (($EUID != 0)); then
     separator
     echo -e "\nMust be run as root (i.e: 'sudo $0')."
     separator
@@ -28,26 +27,29 @@ fi
 }
 
 # python packages install
-pip_pkg_install(){
+function pip_pkg_install {
   python3 -m pip install -r requirements.txt
 }
 
-complete_msg(){
+function complete_msg {
   echo -e "\nauto-cpufreq tool successfully installed.\n"
   echo -e "For list of options, run:\nauto-cpufreq"
 }
 
 # tool install
-install(){
+function install {
   python3 setup.py install --record files.txt
   mkdir -p /usr/local/share/auto-cpufreq/
   cp -r scripts/ /usr/local/share/auto-cpufreq/
 }
 
-tool_install(){
+function update_service_file {
+  sed -i 's|ExecStart=/usr/local/bin/auto-cpufreq|ExecStart=/usr/bin/auto-cpufreq|' /usr/local/share/auto-cpufreq/scripts/auto-cpufreq.service
+}
+
+function tool_install {
   # Debian
-if [ -f /etc/debian_version ];
-then
+  if [ -f /etc/debian_version ]; then
     separator
     echo -e "\nDetected Debian based distribution"
     separator
@@ -63,14 +65,12 @@ then
     complete_msg
     separator
   # RedHat
-elif [ -f /etc/redhat-release ];
-then
+  elif [ -f /etc/redhat-release ]; then
     separator
     echo -e "\nDetected RedHat based distribution\n"
     echo -e "\nSetting up Python environment\n"
     # CentOS exception
-    if [ -f /etc/centos-release ];
-    then
+    if [ -f /etc/centos-release ]; then
       yum install platform-python-devel dmidecode
     else
       yum install python-devel dmidecode
@@ -84,8 +84,7 @@ then
     complete_msg
     separator
   # Solus
-elif [ -f /etc/solus-release ];
-then
+  elif [ -f /etc/solus-release ]; then
     separator
     echo -e "\nDetected Solus distribution\n"
     echo -e "\nSetting up Python environment\n"
@@ -96,18 +95,16 @@ then
     separator
     echo -e "\ninstalling auto-cpufreq tool\n"
     install
-    sed -i 's/ExecStart=\/usr\/local\/bin\/auto-cpufreq/ExecStart=\/usr\/bin\/auto-cpufreq/' /usr/local/share/auto-cpufreq/scripts/auto-cpufreq.service
+    update_service_file
     separator
     complete_msg
     separator
   # OpenSUSE
-elif [ -f /etc/os-release ] && eval "$(cat /etc/os-release)" && [[ $ID == "opensuse"* ]];
-then
+  elif [ -f /etc/os-release ] && eval "$(cat /etc/os-release)" && [[ $ID == "opensuse"* ]]; then
     separator
     echo -e "\nDetected an OpenSUSE distribution\n"
     echo -e "\nSetting up Python environment\n"
-    if [[ $ID == "opensuse-leap" ]];
-    then
+    if [[ $ID == "opensuse-leap" ]]; then
       zypper install -y python3 python3-pip python3-setuptools python3-devel gcc dmidecode
     else
       zypper install -y python38 python3-pip python3-setuptools python3-devel gcc dmidecode
@@ -121,8 +118,7 @@ then
     complete_msg
     separator
   # Manjaro/Arch
-elif [ -f /etc/os-release ] && eval "$(cat /etc/os-release)" && [[ $ID == "manjaro" || $ID == "arch" || $ID == "garuda" ]];
-then
+  elif [ -f /etc/os-release ] && eval "$(cat /etc/os-release)" && [[ $ID == "manjaro" || $ID == "arch" || $ID == "garuda" ]]; then
     separator
     echo -e "\nDetected an Arch Linux based distribution\n"
     echo -e "\nSetting up Python environment\n"
@@ -132,6 +128,7 @@ then
     separator
     echo -e "\ninstalling auto-cpufreq tool\n"
     install
+    update_service_file
     separator
     complete_msg
     separator
@@ -162,7 +159,7 @@ else
   fi
 }
 
-tool_remove(){
+function tool_remove {
 
   files="files.txt"
   share_dir="/usr/local/share/auto-cpufreq/"
@@ -180,8 +177,7 @@ for pid in "${tool_arg_pids[@]}"; do
   done
 
   # run uninstall in case of installed daemon
-if [ -f $srv_remove ]
-then
+  if [ -f $srv_remove ]; then
     eval $tool_proc_rm
   fi
 
@@ -199,7 +195,7 @@ echo -e "\nauto-cpufreq tool and all its supporting files successfully removed."
   separator
 }
 
-ask_operation(){
+function ask_operation {
   echo -e "\n-------------------------- auto-cpufreq installer -----------------------------"
   echo -e "\nWelcome to auto-cpufreq tool installer."
   echo -e "\nOptions:\n"
@@ -212,8 +208,7 @@ Select a key: [i/r/q]: " answer
 
 root_check
 
-if [[ -z "${1}" ]];
-then
+if [[ -z "${1}" ]]; then
   ask_operation
 else
   case "${1}" in
@@ -229,16 +224,13 @@ else
   esac
 fi
 
-if [[ $answer == [Ii] ]];
-then
+if [[ $answer == [Ii] ]]; then
   root_check
   tool_install
-elif [[ $answer == [Rr] ]];
-then
+elif [[ $answer == [Rr] ]]; then
   root_check
   tool_remove
-elif [[ $answer == [Qq] ]];
-then
+elif [[ $answer == [Qq] ]]; then
   separator
   echo ""
   exit 0

scripts/auto-cpufreq.service

@@ -5,6 +5,6 @@ After=network.target network-online.target
 [Service]
 Type=simple
 User=root
-ExecStart=/usr/bin/auto-cpufreq --daemon
+ExecStart=/usr/local/bin/auto-cpufreq --daemon
 [Install]
 WantedBy=multi-user.target