Hi,
Has this been reported as a bug yet?
The only thing I found to work is:
pre_unpatch:
[ -f orig.c ] || mv new.c orig.c
...
override_dh_clean: pre_unpatch
dh_clean
# This forces the rename right before dpkg-source --after-build
override_dh_builddeb: pre_unpatch
dh_builddeb
Best,
Jasmine