#!/bin/bash

export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get -y install build-essential devscripts equivs git-buildpackage

cd /vagrant  # if using Vagrant (which you should ;)

wget https://github.com/bcpierce00/unison/archive/v2.51.2.tar.gz

git clone https://salsa.debian.org/ocaml-team/unison src
git config user.name "YOUR NAME"
git config user.email "you@example.com"

cd src
mk-build-deps -i debian/control -t 'apt-get --no-install-recommends -y'

git checkout upstream
git checkout master

# https://honk.sigxcpu.org/projects/git-buildpackage/manual-html/index.html
gbp import-orig ../v2.51.2.tar.gz
gbp dch --git-author --new-version=2.51.2-1 --release --auto --commit

patch -p1 < ../srcdir.diff
git commit -a -m 'Upstream introduced a src/ directory'

gbp buildpackage