rpmgs: add download script support (Source-script)

bin/rpmgs

@@ -170,6 +170,12 @@ function get_source_url()
 	#rhas "$GETSOURCEURL" "%" && fatal "some macro unexpanded in URL. Check $TMPSPEC"
 }
 
+# Source-script: .gear/update.sh
+function get_source_script()
+{
+	GETSOURCESCRIPT=$(source_ext "$1" script "$2")
+}
+
 function print_error()
 {
 	echog "Can't find any spec file. It is possible you run this script not in git dir."
@@ -475,7 +481,7 @@ do
 		#[ -f "$RPMSOURCEDIR/$FTB" ] && { echog "Tarball $FTB already exists in $RPMSOURCEDIR dir, skipping." ; continue ; }
 
 		# Test for eterbuild extensions (will set GETSOURCEURL or GETSOURCESVN)
-		get_source_url $spec $SN || get_source_git $spec $SN || get_source_svn $spec $SN
+		get_source_url $spec $SN || get_source_git $spec $SN || get_source_svn $spec $SN || get_source_script $spec $SN
 		#[ "$SN" = "Source1" ] && exit
 		#if ! rhas "$GETSOURCE" ".tar$" ; then
 		#	warning "It is recommended to use .tar tarballs for sources ($FTB now)"
@@ -487,6 +493,12 @@ do
 		elif [ -n "${GETSOURCEGIT}" ] ; then
 			is_gear $SPECDIR || fatal "Source-git works only with gear repo"
 
+		elif [ -n "${GETSOURCESCRIPT}" ] ; then
+			is_gear $SPECDIR || fatal "Source-script works only with gear repo"
+			#[ -x "$GETSOURCESCRIPT" ] || fatal "Can't find executable $GETSOURCESCRIPT"
+			bash -x $(get_root_git_dir)/$GETSOURCESCRIPT $GSSETVERSION "$FTB" || fatal "fatal with $GETSOURCESCRIPT"
+			DOWNLOADSOME=1
+
 		# TODO: rewrite code to use original file format and temp. download dir
 		elif [ -n "${GETSOURCEURL}" ] ; then
 			if [ -z "$FORCEDOWNLOAD" ] && check_tarball "$FTB" ; then