From 619640d01c778dce7d7af8cb9f338dcfd1099382 Mon Sep 17 00:00:00 2001
From: meep-eep <meep-eep@8092fc87-c524-0410-9efc-e669fe64eaf9>
Date: Sun, 23 Feb 2003 22:28:08 +0000
Subject: [PATCH] Improved install program.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@802 8092fc87-c524-0410-9efc-e669fe64eaf9
---
 sc2/build/unix/build.config                |   5 +-
 sc2/build/unix/build.docs                  |  22 ++-
 sc2/build/unix/menu_functions              |  94 ++++++++---
 sc2/build/unix/todo                        |  16 ++
 sc2/build/unix_installer/USAGE             |  11 +-
 sc2/build/unix_installer/buildinstaller.sh |  71 ++++++--
 sc2/build/unix_installer/install.sh.in     | 185 ++++++++++++---------
 sc2/build/unix_installer/installer.config  | 139 ++++++++++++++++
 sc2/build/unix_installer/mkinstall         |  43 -----
 sc2/build/unix_installer/template          |  37 +++++
 10 files changed, 458 insertions(+), 165 deletions(-)
 create mode 100644 sc2/build/unix/todo
 create mode 100644 sc2/build/unix_installer/installer.config
 delete mode 100644 sc2/build/unix_installer/mkinstall
 create mode 100644 sc2/build/unix_installer/template

diff --git a/sc2/build/unix/build.config b/sc2/build/unix/build.config
index 0c6e7c35a..42b2cc74b 100644
--- a/sc2/build/unix/build.config
+++ b/sc2/build/unix/build.config
@@ -50,6 +50,9 @@ CHOICE_debug_OPTIONS="nodebug debug strictdebug"
 CHOICE_debug_TITLE="Include debugging information"
 CHOICE_debug_OPTION_nodebug_TITLE="No debugging information"
 CHOICE_debug_OPTION_nodebug_ACTION='nodebug_action'
+CHOICE_debug_TEXT="  bla
+  bla
+  bla"
 nodebug_action() {
 	CFLAGS="$CFLAGS -O3"
 	DEBUG=0
@@ -161,7 +164,7 @@ INPUT_install_libdir_VALIDATOR=validate_path
 
 
 # Show the menu and let people set things
-do_menu main config.state
+do_menu MENU main config.state
 echo "Configuration complete."
 
 # Set INSTALL_LIBDIR and INSTALL_BINDIR by to their set values, replacing
diff --git a/sc2/build/unix/build.docs b/sc2/build/unix/build.docs
index 18224b6b3..208c373b2 100644
--- a/sc2/build/unix/build.docs
+++ b/sc2/build/unix/build.docs
@@ -23,6 +23,8 @@ There are three types of menu items.
   - Variables:
     - MENU_${NAME}_TITLE
       The title of the menu.
+    - MENU_${NAME}_TEXT (optional)
+      The text to show with the menu.
     - MENU_${NAME}_ITEMS
       The names of the menu items (space-seperated).
     - MENU_${NAME}_ITEM_${ITEMNAME}_TYPE
@@ -32,6 +34,8 @@ There are three types of menu items.
   - Variables:
     - CHOICE_${NAME}_TITLE
       The title of the choice menu.
+    - CHOICE_${NAME}_TEXT (optional)
+      The text to show with the choice menu.
     - CHOICE_${NAME}_OPTIONS
       The names of the options (space-seperated).
     - CHOICE_${NAME}_OPTION_${OPTIONNAME}_TITLE
@@ -49,19 +53,33 @@ There are three types of menu items.
 - Type INPUT:
   A string that is user-definable.
   - Variables:
-    - INPUT_${NAME}_DEFAULT (optional)
-      The default value.
     - INPUT_${NAME}_TITLE
       The title of the input field.
+    - INPUT_${NAME}_TEXT (optional)
+      The text to show with the input field.
     - INPUT_${NAME}_VALIDATOR (optional)
       A function to call after the user supplied a new value which
       checks if the value is allowed. It should accept the new value as
       an argument, and return 1 if the value is not allowed, or return 0
       and output the (possibly modified) value, to accept it.
+    - INPUT_${NAME}_DEFAULT (optional)
+      The default value.
     - INPUT_${NAME}_VALUE (set by the config program)
       The current value.
     - INPUT_${NAME}_OLD_VALUE (set by the config program)
       The value as it was at the start of the config program.
+- Type CHECK:
+  An option that can either be on or off, like a checkbox.
+  - Variables:
+    - CHECK_${NAME}_TITLE
+      The title of the input field.
+    - CHECK_${NAME}_DEFAULT (optional)
+      The default value, either 'CHECKED' or 'UNCHECKED'.
+    - CHECK_${NAME}_VALUE (set by the config program)
+      The current value, either 'CHECKED' or 'UNCHECKED'.
+    - CHECK_${NAME}_FIXED (optional)
+      A string that evaluates to 0 if this checkbox may not be changed.
+      
 
 
 Program info
diff --git a/sc2/build/unix/menu_functions b/sc2/build/unix/menu_functions
index d29abd2e7..bc9d52896 100644
--- a/sc2/build/unix/menu_functions
+++ b/sc2/build/unix/menu_functions
@@ -141,6 +141,7 @@ menu_init_input() {
 menu_init_check() {
 	local CHECKBOX TEMP_VALUE TEMP_DEFAULT
 	CHECKBOX="$1"
+
 	eval TEMP_VALUE="\$CHECK_${CHECKBOX}_VALUE"
 	eval TEMP_DEFAULT="\$CHECK_${CHECKBOX}_DEFAULT"
 
@@ -207,22 +208,28 @@ EOF
 # Arguments:   $1 - the name of the checkbox item
 # Outputs:     The value of the given checkbox
 menu_print_value_check() {
-	local TEMP_VALUE TEMP_DEFAULT
+	local TEMP_VALUE TEMP_DEFAULT TEMP_FIXED RESULT EXTRA
 	eval TEMP_VALUE="\$CHECK_$1_VALUE"
 	eval TEMP_DEFAULT="\$CHECK_$1_DEFAULT"
+	eval TEMP_FIXED="\$CHECK_$1_FIXED"
+
 	if [ "$TEMP_VALUE" = "CHECKED" ]; then
-		if [ "$TEMP_DEFAULT" = "CHECKED" ]; then
-			echo "Yes (default)"
-		else
-			echo "Yes"
-		fi
+		RESULT="Yes"
 	else
-		if [ "$TEMP_DEFAULT" = "CHECKED" ]; then
-			echo "No"
-		else
-			echo "No (default)"
-		fi
+		RESULT="No"
 	fi
+
+	EXTRA=""
+	if [ "$TEMP_VALUE" = "$TEMP_DEFAULT" ]; then
+		EXTRA="default"
+	fi
+
+	if [ "$TEMP_FIXED" = "TRUE" ]; then
+		EXTRA="${EXTRA:+$EXTRA, }unchangable"
+	fi
+
+	RESULT="$RESULT${EXTRA:+ ($EXTRA)}"
+	echo "$RESULT"
 }
 
 # Description: Print the string describing the value of a menu item.
@@ -239,8 +246,10 @@ menu_handle() {
 # Description: Process a menu-type menu item
 # Arguments:   $1 - The name of the menu
 menu_handle_menu() {
-	local TEMP_ITEMS I CHOICE NUM_ITEMS TEMP_TYPE MENU ITEM TEMP_TITLE
+	local TEMP_ITEMS I CHOICE NUM_ITEMS TEMP_TYPE MENU ITEM TEMP_TITLE \
+			TEMP_TEXT
 	eval TEMP_ITEMS="\$MENU_$1_ITEMS"
+	eval TEMP_TEXT="\$MENU_$1_TEXT"
 	
 	MENU="$1"
 	while :; do
@@ -249,6 +258,13 @@ menu_handle_menu() {
 		cat << EOF
   $ANSI_BOLD-= $TEMP_TITLE =-$ANSI_NORMAL
 EOF
+
+		if [ -n "$TEMP_TEXT" ]; then
+			cat << EOF
+$TEMP_TEXT
+EOF
+		fi
+
 		I=0
 		for ITEM in $TEMP_ITEMS; do
 			I=$(($I + 1))
@@ -302,8 +318,9 @@ EOF
 # Arguments:   $1 - The name of the menu
 menu_handle_choice() {
 	local TEMP_OPTIONS I CHOICE NUM_OPTIONS TEMP_TYPE MENU OPTION \
-			TEMP_VALUE TEMP_TITLE SELECTED
+			TEMP_VALUE TEMP_TITLE SELECTED TEMP_TEXT
 	eval TEMP_OPTIONS="\$CHOICE_$1_OPTIONS"
+	eval TEMP_TEXT="\$CHOICE_$1_TEXT"
 	
 	MENU="$1"
 	while :; do
@@ -312,6 +329,12 @@ menu_handle_choice() {
 		cat << EOF
   $ANSI_BOLD-= $TEMP_TITLE =-$ANSI_NORMAL
 EOF
+		if [ -n "$TEMP_TEXT" ]; then
+			cat << EOF
+$TEMP_TEXT
+EOF
+		fi
+
 		eval TEMP_VALUE="\$CHOICE_${MENU}_VALUE"
 
 		# Check in advance which options are present, so that that
@@ -388,15 +411,25 @@ EOF
 # Description: Process an input-type menu item
 # Arguments:   $1 - The name of the menu
 menu_handle_input() {
-	local ITEM TEMP_TITLE TEMP_VALUE TEMP_DEFAULT NEW_VALUE TEMP_VALIDATOR
+	local ITEM TEMP_TITLE TEMP_VALUE TEMP_DEFAULT NEW_VALUE \
+			TEMP_VALIDATOR TEMP_TEXT
 
 	ITEM="$1"
 	eval TEMP_TITLE="\$INPUT_${ITEM}_TITLE"
+	eval TEMP_TEXT="\$INPUT_${ITEM}_TEXT"
+
 	while :; do
 		echo
 		cat << EOF
   $ANSI_BOLD-= $TEMP_TITLE =-$ANSI_NORMAL
 EOF
+
+		if [ -n "$TEMP_TEXT" ]; then
+			cat << EOF
+$TEMP_TEXT
+EOF
+		fi
+
 		eval TEMP_VALUE="\$INPUT_${ITEM}_VALUE"
 		eval TEMP_DEFAULT="\$INPUT_${ITEM}_DEFAULT"
 		echo "  Default value: $TEMP_DEFAULT"
@@ -426,16 +459,23 @@ EOF
 # Description: Process an checkbox-type menu item
 # Arguments:   $1 - The name of the checkbox
 menu_handle_check() {
-	local ITEM OLD_VALUE NEW_VALUE
+	local CHECKBOX OLD_VALUE NEW_VALUE TEMP_FIXED
 
-	ITEM="$1"
-	eval OLD_VALUE="\$CHECK_${ITEM}_VALUE"
+	CHECKBOX="$1"
+	eval TEMP_FIXED="\$CHECK_${CHECKBOX}_FIXED"
+
+	if [ "$TEMP_FIXED" = "TRUE" ]; then
+		# Unchangable
+		return;
+	fi
+
+	eval OLD_VALUE="\$CHECK_${CHECKBOX}_VALUE"
 	if [ "$OLD_VALUE" = "CHECKED" ]; then
 		NEW_VALUE="UNCHECKED"
 	else
 		NEW_VALUE="CHECKED"
 	fi
-	eval "CHECK_${ITEM}_VALUE"=\"\$NEW_VALUE\"
+	eval "CHECK_${CHECKBOX}_VALUE"=\"\$NEW_VALUE\"
 }
 
 # Description: echo the current state of a menu item in a form that can be
@@ -561,21 +601,23 @@ menu_process_check() {
 }
 
 do_menu() {
-	local START_MENU SAVE_FILE
+	local MENU_TYPE START_MENU SAVE_FILE
 	
-	START_MENU="$1"
-	SAVE_FILE="$2"
+	MENU_TYPE="$1"
+	START_MENU="$2"
+	SAVE_FILE="$3"
+
 	if [ -n "$SAVE_FILE" -a -e config.state ]; then
 		. config.state
 	fi
-	menu_init MENU "$1"
-	menu_handle MENU "$1"
+	menu_init "$MENU_TYPE" "$START_MENU"
+	menu_handle "$MENU_TYPE" "$START_MENU"
 	echo
 	if [ -n "$SAVE_FILE" ]; then
 		echo "Saving choices..."
-		menu_save MENU "$1" > config.state
+		menu_save "$MENU_TYPE" "$START_MENU" > config.state
 	fi
-	echo "Propagating choices..."
-	menu_process MENU "$1"
+#	echo "Propagating choices..."
+	menu_process "$MENU_TYPE" "$START_MENU"
 }
 
diff --git a/sc2/build/unix/todo b/sc2/build/unix/todo
new file mode 100644
index 000000000..24192955d
--- /dev/null
+++ b/sc2/build/unix/todo
@@ -0,0 +1,16 @@
+- flag for an option to set if changing it will trigger a new 'make depend'
+- same for 'make clean'
+- Specify files to be removed on clean.
+- PROG_*_DETECT, LIB_*_DETECT
+- static compilation
+- error message for './build.sh uqm asdasddsa'
+
+some docs
+  - sc2_LDFLAGS etc are only relevant in the top dir
+  - some variables are 'inherited' from parent dir
+  - files are sourced (.)
+  - make clean
+  - make distclean
+    - .depend files
+  - description of files
+
diff --git a/sc2/build/unix_installer/USAGE b/sc2/build/unix_installer/USAGE
index 28fbb2a55..ec6048c15 100644
--- a/sc2/build/unix_installer/USAGE
+++ b/sc2/build/unix_installer/USAGE
@@ -2,11 +2,12 @@ Making a release binary:
 
 - Build the game in release mode.
 
-- From the top of the cvs tree, run the following command, but
-  change the actual arguments to suit your needs.
-  The first one is the name of the final executable, the second a
-  space-seperated list of possible content files the installer will look
-  for.
+- Change build/unix_installer/template to suit your needs.
+
+- From the top of the cvs tree, run the following command, changing
+  the arguments if necessary.
+  The first one is the name of the final executable, the second
+  the template to use.
 
   	build/unix_installer/buildinstaller.sh uqm-0.2-linux-dynamic.sh \
   			"content.tgz"
diff --git a/sc2/build/unix_installer/buildinstaller.sh b/sc2/build/unix_installer/buildinstaller.sh
index 2661fcd7c..b57525307 100755
--- a/sc2/build/unix_installer/buildinstaller.sh
+++ b/sc2/build/unix_installer/buildinstaller.sh
@@ -6,14 +6,14 @@ TEMPDIR="/tmp/buildinstaller_$$"
 
 if [ $# -ne 2 ]; then
 	cat >&2 << EOF
-Usage: buildinstaller.sh <installername> <contentfiles>
+Usage: buildinstaller.sh <installername> <template>
 where 'installername' is the name you want to give the final installer
-and 'contentfiles' is a space-seperated list of possible content files.
+and 'template' is the template file describing the installer.
 EOF
 	exit 1
 fi
 DESTFILE="$1"
-CONTENTFILES="$2"
+TEMPLATE="$2"
 
 if [ ! -d src -o ! -d build ]; then
 cat >&2 << EOF
@@ -38,23 +38,68 @@ if [ "$?" -ne 0 ]; then
 	exit 1
 fi
 
-mkdir -- "${TEMPDIR}/lib" "${TEMPDIR}/lib/uqm" "${TEMPDIR}/lib/uqm/doc"
+. "$TEMPLATE"
 
-cp -- AUTHORS COPYING ChangeLog WhatsNew README doc/users/manual.txt \
-		"${TEMPDIR}/lib/uqm/doc/"
-cp -- uqm "${TEMPDIR}/lib/uqm/"
-chmod -R go+rX "${TEMPDIR}/lib"
+while read FILE DEST; do
+	DESTDIR="${TEMPDIR}/attach/${DEST%/*}"
+	if [ ! -d "$DESTDIR" ]; then
+		mkdir -p -- "$DESTDIR" || exit 1
+	fi
+	cp -- "$FILE" "${TEMPDIR}/attach/$DEST" || exit 1
+done << EOF
+$UQM_ATTACH_FILES
+EOF
+
+chmod -R go+rX "${TEMPDIR}/attach"
 
 echo "Making tar.gz file for everything except from the content."
 echo "Using maximum compression; this may take a moment."
-tar -c -C "${TEMPDIR}/lib/" uqm | gzip -9 > "${TEMPDIR}/libpkg.tar.gz"
+tar -c -C "${TEMPDIR}/attach/" . | gzip -9 > "${TEMPDIR}/attach.tar.gz"
 
+{
+	cat << EOF
+UQM_VERSION="$UQM_VERSION"
+UQM_PACKAGES="$UQM_PACKAGES"
+EOF
+	for PACKAGE in $UQM_PACKAGES; do
+		eval PACKAGE_NAME="\$UQM_PACKAGE_${PACKAGE}_NAME"
+		eval PACKAGE_TITLE="\$UQM_PACKAGE_${PACKAGE}_TITLE"
+		eval PACKAGE_OPTIONAL="\$UQM_PACKAGE_${PACKAGE}_OPTIONAL"
+		eval PACKAGE_DEFAULT="\$UQM_PACKAGE_${PACKAGE}_DEFAULT"
+		cat << EOF
+UQM_PACKAGE_${PACKAGE}_NAME="$PACKAGE_NAME"
+UQM_PACKAGE_${PACKAGE}_TITLE="$PACKAGE_TITLE"
+UQM_PACKAGE_${PACKAGE}_OPTIONAL="$PACKAGE_OPTIONAL"
+UQM_PACKAGE_${PACKAGE}_DEFAULT="$PACKAGE_DEFAULT"
+EOF
+	done
+} > "${TEMPDIR}/packages"
+
+# A slow way, but a reliable way.
+ATTACHLEN=`wc -c < "${TEMPDIR}/attach.tar.gz"`
+
+LICENSE_TEXT="$(cat $UQM_LICENSE_FILE)"
+
+# Now we've got all the parts, we can make the final .sh file.
 echo "Making final executable."
-sh build/unix_installer/mkinstall "$DESTFILE" "${TEMPDIR}/libpkg.tar.gz" \
-		"$CONTENTFILES" COPYING
-
-rm -r -- "$TEMPDIR"
+{
+	for SCRIPT in ${TEMPDIR}/packages $UQM_SCRIPT_FILES; do
+		echo "# --- Start ${SCRIPT##*/} ---"
+		# Very ugly, but I can't get sed to replace a pattern by the contents
+		# of a file.
+		FILEDATA="$(cat $SCRIPT)"
+		sed -e "s/@ATTACHLEN@/$ATTACHLEN/" \
+				-e "s/@CONTENT_FILES@/$CONTENT_FILES/" << EOF
+${FILEDATA/@LICENCE@/$LICENSE_TEXT}
+EOF
+		echo "# --- End ${SCRIPT##*/} ---"
+	done
+	cat "${TEMPDIR}/attach.tar.gz"
+} > "$DESTFILE"
 
 chmod 755 "$DESTFILE"
 
+rm -r -- "$TEMPDIR"
+
+echo "Done."
 
diff --git a/sc2/build/unix_installer/install.sh.in b/sc2/build/unix_installer/install.sh.in
index 475986f0b..460fcbc54 100644
--- a/sc2/build/unix_installer/install.sh.in
+++ b/sc2/build/unix_installer/install.sh.in
@@ -2,8 +2,6 @@
 # Installation program for binaries.
 # By Serge van den Boom, 2002-11-26
 
-CONTENT_FILES="@CONTENT_FILES@"
-
 quithandler() {
 	echo
 	echo "Bye."
@@ -17,48 +15,17 @@ cat << EOF
 -== The Ur-Quan Masters installation ==-
 
 Hi, I'm your friendly neighbourhood installation program.
-I will make you very happy, but first, we've got some business to take care
-of.
+I will make you very happy, but first, we've got some business to take
+care of.
 
 EOF
 
-CONTENT_FILE=""
-have_content_file() {
-	for FILE in $CONTENT_FILES; do
-		if [ -r "$CONTENT_PATH$FILE" ]; then
-			CONTENT_FILE="$FILE"
-			return 0
-		fi
-	done
-	return 1
-}
-
-CONTENT_PATH="./"
-have_content_file
-if [ "$?" -ne 0 ]; then
-	cat << EOF
-I need a content .tgz package and I can't find one in
-the $CONTENT_PATH dir. I really can't work without it.
-If you don't have it, please press CTRL-C and quickly get it, before I get
-swapped out.
-EOF
-	echo -n "Otherwise, please tell me where you've hidden it: "
-	while :; do
-		read CONTENT_PATH
-		CONTENT_PATH="${CONTENT_PATH%/}/"
-		have_content_file && break
-		echo "There's nothing there, I tell you."
-		echo -n "Guess again: " 
-	done
-	echo "Yay! Found it."
-	echo
-fi
-CONTENT_FILE="$CONTENT_PATH$CONTENT_FILE"
-
 PAGER="${PAGER:-more}"
 type "$PAGER" > /dev/null 2>&1
 if [ "$?" -ne 0 ]; then
-	echo "I can't find a good pager. I need one. That's all folks."
+	cat << EOF
+I can't find a good pager. I need one. Sorry. Here's your prompt back.
+EOF
 	exit 1
 fi
 
@@ -93,32 +60,25 @@ EOF
 done
 echo
 
-if [ "$(id -u)" -eq "0" ]; then
-	INSTALL_BASE=/usr/local/games/
-else
-	INSTALL_BASE="$HOME/uqm/"
-fi
-echo "I've got a lot of files, and I need somewhere to put them. "
-echo "My invisible friend tells me $INSTALL_BASE is a good place."
-echo "I would put an executable there in a bin/ dir and a lot of junk "
-echo "together in a subdir under lib/"
-echo -n "But you're the boss, so where shall I put them [$INSTALL_BASE]? "
+cat << EOF
+Now I need somewhere to put all those Ur-Quan Masters files.
+My invisible friend tells me $INPUT_install_prefix_DEFAULT is a good place.
+I would put an executable there in a bin/ dir and a lot of junk together
+in a subdir under lib/
+But you're the boss, so where shall I put them?"
+EOF
 while :; do
-	read TEMP
+	show_install_prefix_menu
 	echo
-	if [ "$TEMP" = "/dev/null" ]; then
+
+	PREFIX="$INPUT_install_prefix_VALUE"
+	if [ "$PREFIX" = "/dev/null" ]; then
 		echo "Ok, done. That was quick, wasn't it? Well, have fun."
 		echo
 		exit 0
 	fi
 
-	if [ -z "$TEMP" ]; then
-		TEMP="$INSTALL_BASE"
-	else
-		TEMP="${TEMP%/}/"
-	fi
-
-	if [ ! -d "$TEMP" ]; then
+	if [ ! -d "$PREFIX" ]; then
 cat << EOF
 There's no such directory. If you want me to stuff it all in /dev/null,
 just say so. No need to toy with me.
@@ -130,20 +90,19 @@ EOF
 		echo
 		case "$TEMP2" in
 			y|Y|yes|Yes|YES)
-				mkdir -p "$TEMP" 2> /dev/null
+				mkdir -p "$PREFIX" 2> /dev/null
 				if [ "$?" -gt 0 ]; then
 					cat << EOF
 I cannot do it, captain! I don't have enough power!
 Erm... I mean 'permission denied'. Sorry about that.
 I guess we'll need to find another place.
 EOF
-					echo -n "So what shall it be [$INSTALL_BASE]? "
+					echo "So what shall it be?"
 				else
 					cat << EOF
 Ok, I've created that dir for you, even though it isn't in my job
 description. Now let's get on with the copying.
 EOF
-					INSTALL_BASE="$TEMP"
 					break;
 				fi
 				;;
@@ -151,33 +110,106 @@ EOF
 				echo "Great! That saves me some work."
 				echo "Then where DO you want me to put my files?"
 				echo "I promise I'll handle them with care."
-				echo -n "[$INSTALL_BASE]? "
 				;;
 			*)
 				echo "I'll take that as a 'no'."
-				echo -n "So, where should I put my files [$INSTALL_BASE]? "
+				echo -n "So, where should I put my files?"
 				;;
 		esac
 		continue
 	fi
 
-	if [ ! -w "$TEMP" ]; then
+	if [ ! -w "$PREFIX" ]; then
 cat << EOF
 Ooh, a very fine place indeed. Unfortunately it's not your fine place.
 You can't write there, and for some strange cosmological coincidence,
 neither can I. I think we need another place."
 EOF
-		echo -n "So, what shall it be [$INSTALL_BASE]? "
+		echo "So, what shall it be?"
 		continue
 	fi
-	INSTALL_BASE="$TEMP"
 	break
 done
 cat << EOF
-$INSTALL_BASE it is. I can work with that.
+$PREFIX it is. I can work with that.
 
 EOF
 
+if [ -d "${PREFIX}/lib/uqm/content" ]; then
+	if [ -f "${PREFIX}/lib/uqm/content/version" ]; then
+		read UQM_OLDVERSION < "${PREFIX}/lib/uqm/content/version"
+	else
+		UQM_OLDVERSION=0.1
+	fi
+	if [ `expr "$UQM_VERSION" ">" "$UQM_OLDVERSION"` = "0" ]; then
+		# NB: 'expr' echoes '1' for true, while sh uses '0'
+		echo "Hey! I see you've got an old version there."
+		echo "You'll be happy to know this one is even better."
+		echo "(yes, this is a hardcoded string in the installer)"
+		echo
+		UQM_INSTALL=UPGRADE
+	elif [ `expr "$UQM_VERSION" "<" "$UQM_OLDVERSION"` = "0" ]; then
+		UQM_INSTALL=DOWNGRADE
+	else
+		UQM_INSTALL=REINSTALL
+	fi
+else
+	UQM_INSTALL=NEW
+fi
+
+check_content_path() {
+	local OPTIONAL TITLE HAVE FAIL
+
+	echo "Looking for packages to install..."
+	FAIL="0"
+	for PACKAGE in $UQM_PACKAGES; do
+		eval OPTIONAL="\$UQM_PACKAGE_${PACKAGE}_OPTIONAL"
+		eval TITLE="\$UQM_PACKAGE_${PACKAGE}_TITLE"
+		package_available "$PACKAGE"
+		HAVE="$?"
+		echo -n "- Package for '$TITLE'"
+		if [ "$OPTIONAL" = TRUE ]; then
+			echo -n " (optional)"
+		else
+			echo -n " (required)"
+		fi
+
+		if [ "$HAVE" -eq 0 ]; then
+			echo " found."
+			continue
+		fi
+		echo " not found."
+		
+		if [ "$OPTIONAL" = FALSE ]; then
+			FAIL=1
+		fi
+	done
+	return "$FAIL"
+}
+
+CONTENT_PATH="$INPUT_content_path_DEFAULT"
+check_content_path
+if [ "$?" -ne 0 ]; then
+	cat << EOF
+I haven't found the files I need in the $CONTENT_PATH dir.
+I really can't work without them.
+If you don't have them, please press CTRL-C and quickly get it, before I get
+swapped out.
+EOF
+	echo "Otherwise, please tell me where you've hidden them."
+	while :; do
+		show_content_path_menu
+		CONTENT_PATH="$INPUT_content_path_VALUE"
+		check_content_path && break
+		echo "That's not it. Guess again."
+	done
+	echo "Yay! Found them."
+	echo
+fi
+
+set_components_menu
+show_components_menu
+
 cat << EOF
 Ok, I'm ready now to start filling your hard drive.
 It might take some time though, so don't hold your breath.
@@ -190,28 +222,31 @@ echo "A word as good as any."
 echo
 
 echo "Making directories..."
-mkdir -p -- "$INSTALL_BASE"/lib/uqm 2> /dev/null
-mkdir -p -- "$INSTALL_BASE"/bin 2> /dev/null
+mkdir -p -- "$PREFIX"/lib/uqm 2> /dev/null
+mkdir -p -- "$PREFIX"/bin 2> /dev/null
 
-echo "Unpacking content..."
-gzip -dc "$CONTENT_FILE" | tar -xf - -C "$INSTALL_BASE"lib/uqm
+echo "Unpacking packages..."
+for PACKAGE in `selected_components`; do
+	gzip -dc "$CONTENT_FILE" | tar -xf - -C "$PREFIX"/
+done
 
 echo "Unpacking other stuff..."
-tail -c @ATTACHLEN@ < "$0" | gzip -dc | tar -xf - -C "$INSTALL_BASE"lib/
+tail -c @ATTACHLEN@ < "$0" | gzip -dc | tar -xf - -C "$PREFIX"/
 
 echo "Creating wrapper script..."
-cat << EOF > "$INSTALL_BASE"bin/uqm
+cat << EOF > "$PREFIX"bin/uqm
 #!/bin/sh
 # Wrapper script for starting The Ur-Quan Masters
-"${INSTALL_BASE}lib/uqm/uqm" "--contentdir=${INSTALL_BASE}lib/uqm/content" "\$@"
+"${PREFIX}lib/uqm/uqm" "--contentdir=${PREFIX}lib/uqm/content" "\$@"
 EOF
-chmod 755 "$INSTALL_BASE"bin/uqm
+chmod 755 "$PREFIX"bin/uqm
 
 cat << EOF
+
 All done. Now you can play The Ur-Quan masters.
 I told you I was going to make you very happy.
 And if you're looking for documentation, you can find some in
-${INSTALL_BASE}lib/uqm/doc/. If you aren't looking for documentation, too.
+${PREFIX}lib/uqm/doc/. If you aren't looking for documentation, too.
 But feel free to delete them. You know where to find them.
 EOF
 
diff --git a/sc2/build/unix_installer/installer.config b/sc2/build/unix_installer/installer.config
new file mode 100644
index 000000000..669e32e23
--- /dev/null
+++ b/sc2/build/unix_installer/installer.config
@@ -0,0 +1,139 @@
+MENU_main_ITEMS="components install_prefix"
+MENU_main_TITLE="The Ur-Quan Masters installation"
+MENU_main_ITEM_components_TYPE=MENU
+MENU_main_ITEM_install_prefix_TYPE=INPUT
+
+MENU_components_TITLE="Optional components"
+MENU_components_TEXT=\
+"  Here you can select which components you'd like to have installed. If you
+  can spare the space, you are adviced to select all, for the maximum game
+  experience.
+"
+
+package_filename() {
+	local FILENAME PACKNAME
+
+	eval PACKNAME="\${UQM_PACKAGE_$1_NAME}"
+	# Check complete package first for reinstall or downgrade.
+	# If they're not found, we'll settle for an upgrade package,
+	# maybe it will work, maybe it won't.
+	case "$UQM_INSTALL" in
+		NEW|REINSTALL|DOWNGRADE)
+			FILENAME="${CONTENT_PATH}/uqm-${UQM_VERSION}-$PACKNAME.zip"
+			if [ -f "$FILENAME" ]; then
+				# Found complete package.
+				echo "$FILENAME"
+				return 0
+			fi
+			;;
+	esac
+
+	# A full package is needed for a new install
+	if [ "$UQM_INSTALL" = NEW ]; then
+		return 1
+	fi
+
+	# Check for upgrade package.
+	FILENAME="${CONTENT_PATH}/uqm-${UQM_OLDVERSION}_to_${UQM_VERSION}-$PACKNAME.zip"
+	if [ -f "$FILENAME" ]; then
+		# Found upgrade package.
+		echo "$FILENAME"
+		return 0
+	fi
+
+	# Check complete package again, as you can upgrade with a complete
+	# package.
+	if [ "$UQM_INSTALL" = UPGRADE ]; then
+		FILENAME="${CONTENT_PATH}/uqm-${UQM_VERSION}-$PACKNAME.zip"
+		if [ -f "$FILENAME" ]; then
+			# Found complete package.
+			echo "$FILENAME"
+			return 0
+		fi
+	fi
+	return 1
+}
+
+package_available() {
+	package_filename "$@" > /dev/null
+	return $?
+}
+
+set_components_menu() {
+	local TITLE OPTIONAL DEFAULT
+
+	MENU_install_components_TITLE="Optional components selection"
+	MENU_install_components_ITEMS="$UQM_PACKAGES"
+	for PACKAGE in $UQM_PACKAGES; do
+		eval TITLE="\"\${UQM_PACKAGE_${PACKAGE}_TITLE}\""
+		eval OPTIONAL="\${UQM_PACKAGE_${PACKAGE}_OPTIONAL}"
+		eval DEFAULT="\${UQM_PACKAGE_${PACKAGE}_DEFAULT}"
+		eval MENU_install_components_ITEM_${PACKAGE}_TYPE=CHECK
+
+		eval CHECK_${PACKAGE}_TITLE=\"\$TITLE\"
+		if [ "$DEFAULT" = "TRUE" ]; then
+			eval CHECK_${PACKAGE}_DEFAULT=CHECKED
+		else
+			eval CHECK_${PACKAGE}_DEFAULT=UNCHECKED
+		fi
+		if package_available "$PACKAGE"; then
+			if [ "$OPTIONAL" = "FALSE" ]; then
+				eval CHECK_${PACKAGE}_VALUE=CHECKED
+				eval CHECK_${PACKAGE}_FIXED=TRUE
+			fi
+		else
+			if [ "$OPTIONAL" = "TRUE" ]; then
+				eval CHECK_${PACKAGE}_VALUE=UNCHECKED
+				eval CHECK_${PACKAGE}_FIXED=TRUE
+			else
+				echo "Can't find '$PACKAGE' package"
+				return 1
+			fi
+		fi
+	done
+	return 0
+}
+
+show_components_menu() {
+	do_menu MENU install_components ""
+}
+
+INPUT_install_prefix_TITLE="Installation prefix"
+#INPUT_install_prefix_TEXT=\
+#"  This is the top directory where the game data will be installed.
+#  In the directory you specify directories like 'lib' and 'bin' will
+#  be used.
+#"
+if [ "$(id -u)" -eq 0 ]; then
+	INPUT_install_prefix_DEFAULT="/usr/local/games/"
+else
+	INPUT_install_prefix_DEFAULT="$HOME/uqm/"
+fi
+INPUT_install_prefix_VALIDATOR=validate_path
+
+show_install_prefix_menu() {
+	do_menu INPUT install_prefix ""
+	INPUT_install_prefix_VALUE="${INPUT_install_prefix_VALUE%/}/"
+}
+
+INPUT_content_path_TITLE="Location of content packages"
+INPUT_content_path_DEFAULT="${PWD%/}/"
+INPUT_content_path_VALIDATOR=validate_path
+show_content_path_menu() {
+	do_menu INPUT content_path ""
+	INPUT_content_path_VALUE="${INPUT_content_path_VALUE%/}/"
+}
+
+selected_components() {
+	local RESULT COMPONENT VALUE
+	RESULT=""
+	for COMPONENT in $MENU_install_components_ITEMS; do
+		eval VALUE="\$MENU_install_components_ITEM_$COMPONENT"
+		if [ "$VALUE" = checked ]; then
+			RESULT="${RESULT:+$RESULT }$((package_filename $COMPONENT))"
+		fi
+	done
+	echo "$RESULT"
+}
+
+
diff --git a/sc2/build/unix_installer/mkinstall b/sc2/build/unix_installer/mkinstall
deleted file mode 100644
index ca2550e6d..000000000
--- a/sc2/build/unix_installer/mkinstall
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/sh
-# Script for creating install.sh from install.sh.in
-# By Serge van den Boom, 2002-11-26
-
-if [ $# -ne 4 ]; then
-	echo "Usage: mkinstall <attachment> <contentfiles> <licence>"
-	echo "'attachment' is the .tgz file to attach to the script."
-	echo "contentfiles is a space-seperated list of possible content files."
-	exit 1
-fi
-
-OUTFILE="$1"
-ATTACHMENT="$2"
-CONTENT_FILES="$3"
-LICENSE="$4"
-case "$0" in
-	*/*) EXECDIR="${0%/*}/" ;;
-	*) EXECDIR="" ;;
-esac
-INFILE="${EXECDIR}install.sh.in"
-
-# A slow way, but a reliable way.
-ATTACHLEN=`wc -c < $ATTACHMENT`
-
-#ATTACHLEN="$(du -b $ATTACHMENT | cut -f 1)"
-
-# Very ugly, but I can't get sed to replace a pattern by the contents
-# of a file.
-FILEDATA="$(cat $INFILE)"
-LICENSE_TEXT="$(cat $LICENSE)"
-sed -e "s/@ATTACHLEN@/$ATTACHLEN/" \
-		-e "s/@CONTENT_FILES@/$CONTENT_FILES/" > "$OUTFILE" << EOF
-${FILEDATA/@LICENCE@/$LICENSE_TEXT}
-EOF
-
-#sed -e "s/@ATTACHLEN@/$ATTACHLEN/" \
-#		-e "s/@CONTENT_FILES@/$CONTENT_FILES/" \
-#		-e "s/@LICENSE@/$LICENSE_TEXT/" \
-#		< "$INFILE" > "$OUTFILE"
-
-cat "$ATTACHMENT" >> "$OUTFILE"
-
-
diff --git a/sc2/build/unix_installer/template b/sc2/build/unix_installer/template
new file mode 100644
index 000000000..d08fe0029
--- /dev/null
+++ b/sc2/build/unix_installer/template
@@ -0,0 +1,37 @@
+# Template file for building the UQM installer for unix Systems.
+# By Serge van den Boom, 2003-02-23
+
+UQM_VERSION="0.2"
+UQM_LICENSE_FILE="COPYING"
+
+UQM_PACKAGES="content voice 3domusic"
+UQM_PACKAGE_content_NAME="content"
+UQM_PACKAGE_content_TITLE="General game data"
+UQM_PACKAGE_content_OPTIONAL="FALSE"
+UQM_PACKAGE_content_DEFAULT="TRUE"
+UQM_PACKAGE_voice_NAME="voice"
+UQM_PACKAGE_voice_TITLE="Spoken alien communication"
+UQM_PACKAGE_voice_OPTIONAL="TRUE"
+UQM_PACKAGE_voice_DEFAULT="TRUE"
+UQM_PACKAGE_3domusic_NAME="3domusic"
+UQM_PACKAGE_3domusic_TITLE="Music from the 3DO version"
+UQM_PACKAGE_3domusic_OPTIONAL="TRUE"
+UQM_PACKAGE_3domusic_DEFAULT="TRUE"
+
+UQM_SCRIPT_FILES="
+	${UQM_TOP}build/unix/ansi
+	${UQM_TOP}build/unix/menu_functions
+	${UQM_TOP}build/unix_installer/installer.config
+	${UQM_TOP}build/unix_installer/install.sh.in
+"
+
+#   File                            destination
+UQM_ATTACH_FILES=\
+"${UQM_TOP}AUTHORS	lib/uqm/doc/
+${UQM_TOP}COPYING	lib/uqm/doc/
+${UQM_TOP}ChangeLog	lib/uqm/doc/
+${UQM_TOP}WhatsNew	lib/uqm/doc/
+${UQM_TOP}README	lib/uqm/doc/
+${UQM_TOP}doc/users/manual.txt	lib/uqm/doc/
+${UQM_TOP}uqm	lib/uqm/"
+