service: start mpd_oled from a script

Makefile.am

@@ -38,7 +38,7 @@ bin_SCRIPTS = \
 	scripts/mpd_oled_service_install \
 	scripts/mpd_oled_service_edit \
 	scripts/mpd_oled_service_uninstall \
-	scripts/mpd_oled_launch_test \
+	scripts/mpd_oled_launch \
 	scripts/mpd_oled_moode_audio_copy_install \
 	scripts/mpd_oled_moode_audio_copy_uninstall \
 	scripts/mpd_oled_moode_audio_copy_report \

scripts/mpd_oled_launch_test → scripts/mpd_oled_launch

@@ -28,3 +28,8 @@ elif test -f "$raudio_path" ; then
       sleep 10
    done
 fi
+
+# HOME may not be set and cava may require it to be set
+[[ -n "$HOME" ]] || export HOME=/tmp
+
+exec "$@"

scripts/mpd_oled_service_install.in

@@ -1,16 +1,14 @@
 #!/bin/bash
 
 service="mpd_oled"
-launch_test="mpd_oled_launch_test"
+launch_script="mpd_oled_launch"
 
 tmp_file_name="/tmp/$service.service"
 tmp_file_contents="[Unit]
 Description=MPD OLED Display
 
 [Service]
-ExecStartPre=@prefix@/bin/$launch_test
-ExecStart=@prefix@/bin/$service -o 0 -b 21 -g 1 -f 15
-TimeoutSec=3min
+ExecStart=@prefix@/bin/$launch_script @prefix@/bin/$service -o 0 -b 21 -g 1 -f 15
 
 [Install]
 WantedBy=multi-user.target

scripts/mpd_oled_usrlocal_check

@@ -7,19 +7,19 @@ echo
 
 found_usr="no";
 if test -f "/usr/bin/mpd_oled"; then
-  echo "FOUND: mpd_oled found in /usr/bin"
+  echo "note: mpd_oled found in /usr/bin"
   found_usr="yes"
 fi
 
 found="no";
 if test -f "/usr/local/bin/mpd_oled"; then
-  echo "FOUND: mpd_oled found in /usr/local/bin"
+  echo "note: mpd_oled found in /usr/local/bin"
   found="yes"
 fi
 
 sysd_file="/etc/systemd/system/mpd_oled.service"
 if test -f "$sysd_file" && grep -q "/usr/local/" "$sysd_file"; then
-  echo "FOUND: mpd_oled service file includes /usr/local"
+  echo "note: mpd_oled service file includes /usr/local"
   found="yes"
 fi