fix: Build deb with gzip compression

Author: cerealcable

docker/Dockerfile

@@ -2,6 +2,7 @@ FROM debian:buster-slim
 
 RUN apt-get update && apt-get install -y devscripts build-essential cpio rsync
 COPY ./docker/entrypoint.sh /
+COPY ./docker/dpkg-deb-wrapper /usr/local/bin/dpkg-deb
 VOLUME /src
 WORKDIR /src
 ENTRYPOINT /entrypoint.sh

docker/dpkg-deb-wrapper

@@ -0,0 +1,2 @@
+#!/bin/bash
+/usr/bin/dpkg-deb -Zgzip $@

docker/entrypoint.sh

@@ -1,3 +1,5 @@
+export PATH=/usr/local/bin:$PATH
+alias debuild="debuild --preserve-envvar PATH"
 mkdir /build
 rsync -rtvpl /src/ /build
 mkdir -p /src/out