  gbp clone --debian-branch=debian/main --all git@salsa.debian.org:printing-team/cups-filters
  cd cups-filters/
  gbp import-orig --no-merge --uscan --upstream-branch=upstream/latest --debian-branch=debian/main
  git debrebase new-upstream 1.28.13
  git debrebase conclude
  git debrebase make-patches

  gbp buildpackage --git-pbuilder-options=--source-only-changes --git-pbuilder --git-ignore-new

  gbp buildpackage --git-pbuilder-options=--source-only-changes --git-pbuilder --git-tag --git-debian-branch=debian/main

