Merge pull request #77 from Bisa/develop

added option to retain server.out log

config.example

@@ -31,6 +31,11 @@ AUTOSAVE_INTERVAL=10
 # The number of autosaves to use for rotation
 AUTOSAVE_SLOTS=3
 
+# Save the command/chat/log on server start? Default location /opt/factorio/server.out 
+# Setting this to 0 will cause the script to erase the log file on each start
+# If you set this to 1 you might want to apply logrotate on the log or it will eventually fill your disk
+SAVELOG=0
+
 # Factorio comes packaged in a tarball containing the directory named "factorio"
 # when using this scripts update/install command we expect to see this very
 # directory. If you want to supply your own update/install tar other than what you can download

factorio

@@ -99,6 +99,10 @@ if ! [ $1 == "install" ]; then
     CMDOUT="${WRITE_DIR}/server.out"
   fi
 
+  if [ -z "${SAVELOG}" ]; then
+    SAVELOG=0
+  fi
+
   # Finally, set up the invocation
   INVOCATION="${BINARY} --config ${FCONF} --port ${PORT} --start-server-load-latest --server-settings ${SERVER_SETTINGS} --autosave-interval ${AUTOSAVE_INTERVAL} --autosave-slots ${AUTOSAVE_SLOTS} --latency-ms ${LATENCY} ${RCON} ${EXTRA_BINARGS}"
 
@@ -164,7 +168,12 @@ start_service() {
     return 1
   fi
 
-  as_user "tail -f ${FIFO} |${INVOCATION} > ${CMDOUT} 2>&1 & echo \$! > ${PIDFILE}"
+  if [ "${SAVELOG}" ==  "0" ]; then
+    debug "Erasing log ${CMDOUT}"
+    echo "" > ${CMDOUT}
+  fi
+
+  as_user "tail -f ${FIFO} |${INVOCATION} >> ${CMDOUT} 2>&1 & echo \$! > ${PIDFILE}"
 
   ps -p $(cat ${PIDFILE}) > /dev/null 2>&1
   if [ "$?" -ne "0" ]; then