autotool scripts/updatesync

- move scripts/updatesync -> scripts/updatesync.in
	- add -V --version options to scripts/updatesync.in
	- add autotool commands to generate scripts/updatesync

Signed-off-by: Andrew Fyfe <andrew@neptune-one.net>

configure.ac

@@ -224,6 +224,7 @@ scripts/makeworld
 scripts/pacman-optimize
 scripts/repo-add
 scripts/repo-remove
+scripts/updatesync
 doc/Makefile
 etc/Makefile
 etc/makepkg.conf

scripts/Makefile.am

@@ -21,6 +21,6 @@ EXTRA_DIST = abs.in \
 	     rankmirrors \
 	     repo-add.in \
 	     repo-remove.in \
-	     updatesync
+	     updatesync.in
 
 abs gensync makepkg makeworld pacman-optimize rankmirrors repo-add repo-remove re-pacman updatesync:

scripts/updatesync.in

@@ -21,7 +21,7 @@
 #   USA.
 #
 
-myver='3.0.0'
+myver='@PACKAGE_VERSION@'
 
 # functions
 
@@ -49,6 +49,15 @@ usage() {
 	exit 0
 }
 
+version() {
+	printf "updatesync (pacman) %s\n" "$myver"
+	printf "Copyright (C) 2004 Jason Chu <jason@archlinux.org>.\n"
+	echo
+	printf "This is free software; see the source for copying conditions.\n"
+	printf "There is NO WARRANTY, to the extent permitted by law.\n"
+	echo
+}
+
 error () {
 	echo "==> ERROR: $*" >&2
 }
@@ -71,16 +80,21 @@ check_force () {
 
 # PROGRAM START
 
-if [ $# -lt 3 ]; then
-	usage
-	exit 1
-fi
-
 if [ "$1" = "-h" -o "$1" = "--help" ]; then
 	usage
 	exit 0
 fi
 
+if [ "$1" = "-V" -o "$1" = "--version" ]; then
+	version
+	exit 0
+fi
+
+if [ $# -lt 3 ]; then
+	usage
+	exit 1
+fi
+
 # source system and user makepkg.conf
 if [ -r /etc/makepkg.conf ]; then
 	source /etc/makepkg.conf