Random tweaks to sync-from-debian

Some things I came across while using it

sync-from-debian

@@ -192,7 +192,7 @@ function push()
     local pt_opt
 
     git checkout "rel-${PHOSH_UNDERSCORE_VERSION}"
-    gbp buildpackage --git-ignore-new --git-dist="${PUREOS_DIST}"
+    gbp buildpackage --git-ignore-new --git-pbuilder --git-dist="${PUREOS_DIST}" -nc
 
     pt_opt="--no-pristine-tar"
     if [ "$(gbp config push.pristine-tar)" == "True" ]; then
@@ -290,7 +290,7 @@ function build()
     gbp pull
     # TODO: we'd better use the --profile=pureos but that is severely outdated in Debian
     # shellcheck disable=SC2016
-    gbp buildpackage --git-pbuilder --git-dist="${PUREOS_DIST}" --git-postbuild='lintian --suppress-tags bad-distribution-in-changes-file $GBP_CHANGES_FILE'
+    gbp buildpackage --git-pbuilder --git-dist="${PUREOS_DIST}" --git-postbuild='lintian --suppress-tags bad-distribution-in-changes-file $GBP_CHANGES_FILE' -nc
 
     log info "Finished build step"
     find_stagenum "${FUNCNAME[0]}" > "${STAGE_FILE}"