debian/control

@@ -55,7 +55,7 @@ Build-Depends: autoconf2.13,
 Standards-Version: 4.4.0
 Vcs-Browser: https://salsa.debian.org/debian-gis-team/grass
 Vcs-Git: https://salsa.debian.org/debian-gis-team/grass.git -b ubuntugis/bionic
-Homepage: http://grass.osgeo.org/
+Homepage: https://grass.osgeo.org/
 
 Package: grass
 Architecture: all

debian/gbp.conf

@@ -14,3 +14,6 @@ upstream-tag = upstream/%(version)s
 
 # Always use pristine-tar.
 pristine-tar = True
+
+[buildpackage]
+pbuilder-options = --source-only-changes