t-git-debrebase -fupstream-has-debian convert-from-gbp
v=2.0-2
-dch -v $v -m 'switch to git-debrebase, no other changes'
-dch -r sid
-git commit -m changelog debian/changelog
+t-dch-commit -v $v -m 'switch to git-debrebase, no other changes'
+t-dch-commit -r sid
t-dgit -wgf push-source --new --overwrite
git push