building debian package during CI

Signed-off-by: gabrik <gabriele.baldoni@gmail.com>

.travis.yml

@@ -7,7 +7,7 @@ before_install:
   - docker run -it -d --name build debian:10-slim bash
   - docker exec build apt update
   # install deps
-  - docker exec build apt install git wget jq libev-dev libssl-dev python3 python3-dev python3-pip m4 pkg-config rsync unzip cmake sudo -y
+  - docker exec build apt install build-essential devscripts lintian dh-make git wget jq libev-dev libssl-dev python3 python3-dev python3-pip m4 pkg-config rsync unzip cmake sudo -y
   - docker exec build pip3 install pyangbind
   # install opam
   - docker exec build wget -O opam https://github.com/ocaml/opam/releases/download/2.0.6/opam-2.0.6-x86_64-linux
@@ -17,3 +17,6 @@ before_install:
   - docker cp ../fog05 build:/root/
 script:
   - docker exec build bash -c "eval \$(opam env) && cd /root/fog05 && ./build.sh"
+  - docker exec build bash -c "mkdir /root/build && cd /root/fog05 && mv fog05 build/fog05-0.1 && cd build && tar -czvf fog05-0.1.tar.gz"
+  # building a debian package
+  - docker exec build bash -c "export DEBEMAIL="info@adlink-labs.tech" && export DEBFULLNAME="ATO Labs" && cd /root/build/fog05-0.1 && dh-make -f ../fog05-0.1.tar.gz -s -y && debuild -us -uc --preserve-envvar PATH"