do_release.sh Fix error when either deb_hosts or rpm_hosts is empty.

diff --git a/do_release.sh b/do_release.sh
index 7f9484b15790cb642f65c992e9d659d62af03bb5..1d10671f0c9dd4332ece796f8cd327b415063906 100755 (executable)
--- a/do_release.sh
+++ b/do_release.sh
@@ -81,8 +81,12 @@ do
 done
 
 # sign
-$bindir/sign_debs.sh $releasedir $vers $gpgkey changes
-$bindir/sign_rpms.sh $releasedir $vers $gpgkey
+if [ -n "$deb_hosts" ] ; then
+    $bindir/sign_debs.sh $releasedir $vers $gpgkey changes
+fi
+if [ -n "$rpm_hosts" ] ; then
+    $bindir/sign_rpms.sh $releasedir $vers $gpgkey
+fi
 
 # probably a better way, but
 rm $versionfile