Add a help message for options in install.sh

Makefile

@@ -40,9 +40,7 @@ selfex: purge
 	@echo "Platforms:" >> pymsspec.lsm
 	@echo "Copying-policy: Gnu Library General Public License (GLPL) 2.0" >> pymsspec.lsm
 	@echo "End" >> pymsspec.lsm
-
-
-	$(MAKESELF) --license ./license.txt --lsm ./pymsspec.lsm --notemp ./src $(SETUPFILE) "Python MsSpec"  ./install.sh
+	$(MAKESELF) --license ./license.txt --lsm ./pymsspec.lsm ./src $(SETUPFILE) "Python MsSpec"  ./install.sh
 	@mv ./src/msspec/version.py.bak ./src/msspec/version.py
 	@rm ./pymsspec.lsm
 

src/install.sh

@@ -228,6 +228,16 @@ patience () {
     ${ECHO} "\b\b Done."
 }
 
+show_help () {        
+    echo "Usage: $SCRIPT_NAME [OPTIONS]"
+    echo "List of possible options:"
+    echo "    -p FOLDER   Default FOLDER for installation."
+    echo "    -b FOLDER   Default FOLDER for binaries."
+    echo "    -y          Accept all default choices."
+    echo "    -d          Debug mode."
+    echo "    -h          Show this message."
+	exit 0
+}                                                                                  
 
 local_install () {
 	# Initialize the install process
@@ -307,8 +317,11 @@ local_install () {
 ## move the uninstal script
 #wrap "cp ./uninstall.sh ${DEST}" "Moving the uninstall script"
 #
-	# installation was a succes so move the logfile to the DEST directory
-	#wrap "cp ${LOGFILE} ${DEST_FOLDER}/msspec_install.log" "Moving the logfile"
+	# installation was a succes so ask if we keep the log file
+	read_yes_no "Do you wish to keep the log file (${LOGFILE})" "n"
+	if [ x"${ANSWER}" = "xn" ]; then
+		rm -f "${LOGFILE}"
+	fi
 	
 	# self-explanatory
 	success_message
@@ -327,6 +340,10 @@ do
            ;;
         d) export DEBUG="y"
            ;;
+        h) show_help
+           ;;
+        *) show_help
+           ;;
     esac
 done