diff --git a/make/rpmdist.mk b/make/rpmdist.mk
index a213e562..e25c0259 100644
--- a/make/rpmdist.mk
+++ b/make/rpmdist.mk
@@ -33,7 +33,7 @@ FTP_HOST_LOGIN           ?= root
 RPM_PROJECT              ?= $(PROJECT)
 RPM_VERSION              ?= $(DIST_VERSION)
 LAST_RPM_VERSION_FILE     = $(TOPDIR)/LAST_RPM_VERSION$(FLAVOUR_SUFFIX)
-LAST_RPM_VERSION         ?= $(shell sh $(MOD_SCRIPT_DIR)/platform-map-file.sh \
+LAST_RPM_VERSION         ?= $(shell sh $(MOD_SCRIPT_DIR)/pkg.sh version \
 	-p $(OS)/$(RPM_ARCH) $(LAST_RPM_VERSION_FILE) read | $(SED) 's/-dev//')
 RPMBUILD                 ?= pkgbuild
 CHECK_CVS_SYNC_BEFORE_RPM_RELEASE ?= true
diff --git a/scripts/pkg.sh b/scripts/pkg.sh
index e402bb61..16320bd3 100644
--- a/scripts/pkg.sh
+++ b/scripts/pkg.sh
@@ -66,12 +66,12 @@ abspath()
 
 read_map()
 {
-	sh $MOD_SCRIPT_DIR/platform-map-file.sh -m $MOD_SCRIPT_DIR -p `platform` $@ read | sed 's/-dev//'
+	cmd_version -m $MOD_SCRIPT_DIR -p `platform` $@ read | sed 's/-dev//'
 }
 
 write_map()
 {
-	sh $MOD_SCRIPT_DIR/platform-map-file.sh -m $MOD_SCRIPT_DIR -p `platform` $1 write $2
+	cmd_version -m $MOD_SCRIPT_DIR -p `platform` $1 write $2
 }
 
 find_path()
@@ -287,6 +287,107 @@ check_update_version()
 	)
 }
 
+cmd_version()
+{
+	cmd_version_usage()
+	{
+		cat <<- EOT | sed 's/	|//'
+		|usage: $myname version filename cmd [args]
+	EOT
+		[ "$1" ] && exit $1
+	}
+
+	cmd_version_strip_dev_dummy()
+	{
+		cat
+	}
+
+	cmd_version_strip_dev_real()
+	{
+		sed 's/-dev//'
+	}
+
+	# -- here we go
+	local mod_script_dir=/opt/ytools/bin/get_os.sh
+	local strip_dev=cmd_version_strip_dev_dummy
+	local platform_patt="\(^debian-[0-9.]\+\|^suse-[0-9.]\+\)/\(i.86\|x86_64\): *"
+	local no_compat=
+
+	[ $# -lt 2 ] && cmd_version_usage 1
+
+	set -- `getopt 'hsnp:m:' "$@"`
+	while [ "$1" != -- ] ; do
+		case "$1" in
+		-n)
+			no_compat=true;;
+		-s)
+			strip_dev=cmd_version_strip_dev_real;;
+		-p)
+			platform="$2"; shift;;
+		-m)
+			mod_script_dir="$2"; shift;;
+		-h)
+			cmd_version_usage 0;;
+		*)
+			cmd_version_usage 1;;
+		esac
+		shift
+	done
+	shift
+
+	local file="$1"
+	shift
+
+	local cmd=$1
+	shift
+
+	local platform
+	[ "$platform" ] || platform=`bash $mod_script_dir/get_os.sh`/`arch`
+
+	case $cmd in
+	read)
+		local p=`echo $platform | sed 's%/%\\\/%g'`
+		local v=`sed "/$p:/ !d; s/$p: *//" $file`
+		[ "$v" ] && {
+			echo "$v" | $strip_dev
+			return
+		}
+		[ "$no_compat" = true ] && {
+			return
+		}
+		grep -q "$platform_patt" $file || {
+			cat $file | $strip_dev
+			return
+		}
+		local pp=`echo $platform_patt | sed 's%/%\\\/%g'`
+		sed "/$pp/ !d; s/$pp//; 2,$ d" $file | $strip_dev
+		;;
+	write)
+		local val=$1
+		local p=$platform
+		[ -f $file ] || {
+			echo "$p: $val" > $file
+			return
+		}
+		grep -q "$platform_patt" $file || {
+			echo "$p: $val" > $file
+			return
+		}
+		grep -q "^$p:" $file || {
+			echo "$p: $val" >> $file
+			return
+		}
+		p=`echo $p | sed 's%/%\\\/%g'`
+		val=`echo $val | sed 's%/%\\\/%g'`
+		sed "s/$p:.*/$p: $val/" $file > $file.tmp
+		mv $file.tmp $file
+		;;
+	*)
+		echo unknown command $cmd >&2
+		cmd_version_usage 1;;
+	esac
+}
+
 build_pkg()
 {
 	set -e
@@ -864,6 +965,9 @@ need-release)
 update-version)
 	check_update_version || exit 0
 	;;
+version)
+	eval cmd_version "$@"
+	;;
 build)
 	check_cwd
 	rm -rf ./$DIST_SRC_DIR ./$DIST_PCKG_DIR