Use .nofail before loading user configuration in system.pa

Author: ntninja

rootfs/etc/pulse/system.pa

@@ -18,9 +18,11 @@
 # This startup script is used only if PulseAudio is started in system
 # mode.
 
+# Allow overriding the default configuration by users as a last-resort option
 .ifexists /data/override.pa
 .include /data/override.pa
 .else
+
 ### Automatically restore the volume of streams and devices
 load-module module-device-restore
 load-module module-stream-restore
@@ -50,6 +52,12 @@ load-module module-always-sink
 load-module module-position-event-sounds
 .endif
 
-.ifexists /data/custom.pa
+# Load additional user configuration, if present                             
+#                                                                                                              
+# Using nofail has two effects here:                                           
+#  1) Causes PulseAudio to log a message at startup if the user configuration  
+#     is not present to increase visible of the corresponding configuration                                    
+#     (cli-command.c: stat('/data/custom.pa'): No such file or directory)      
+#  2) Means broken user command in the given file will not make PulseAudio fail
+.nofail                                                                        
 .include /data/custom.pa
-.endif