Hi, the small attached patch against current gbp-git (which is tagged as 0.4.14) solves this task for me. It changes git-import-{orig,dsc}'s behaviour to collect all given '--filter=...' options and passes them through to tar (just as before, but now more then once, if needed). Maybe I overlooked something but my two little tests were successful.
Bye! Johann Rudloff
0001-Allow-multiple-filters-for-git-import-orig-and-git-i.patch
Description: application/mbox