etersoft: replace version only in last or unstable component

share/eterbuild/functions/etersoft

@@ -6,7 +6,7 @@
 # return local path to publish srpm
 get_etersoft_srpm_path()
 {
-	local SOURCE
+	local SOURCE BSOURCE BNSOURCE
 	local ALPHA=$2
 	local SOURCEFTP=$(eval_spec $1 | get_var "Source")
 
@@ -16,6 +16,8 @@ get_etersoft_srpm_path()
 	fi
 
 	[ -n "$SOURCEFTP" ] || fatal "Can't get Source from spec"
+
+	# drop tarball name
 	SOURCEFTP=$(dirname "$SOURCEFTP")
 
 	# FIXME: pass foreign path, needs to handle proto:// separately from ftp.eter:/path
@@ -33,8 +35,11 @@ get_etersoft_srpm_path()
 
 	# rewrite V.E.R./sources with $ALPHA/sources
 	if [ -n "$ALPHA" ] ; then
-		SOURCE=$(dirname $SOURCE)
-		SOURCE=$(dirname $SOURCE)/$ALPHA/sources
+		BSOURCE=$(dirname $SOURCE)
+		BNSOURCE=$(basename $BSOURCE)
+		if [ "$BSOURCE" = "last" ] || [ "$BSOURCE" = "unstable" ] ; then
+			SOURCE=$(dirname $SOURCE)/$ALPHA/sources
+		fi
 	fi
 
 	echo $SOURCE
@@ -46,6 +51,8 @@ set_last_link()
 	echo $1 | grep -q /testing/sources && return
 	# do not change last if unstable publish
 	echo $1 | grep -q /unstable/sources && return
-	rm -f $1/../last
-	ln -s $2 $1/../last
+	# do not update last link if it is not exists
+	# test -L "$1/../last" || return
+	rm -f "$1/../last"
+	ln -s "$2" "$1/../last"
 }