Add workflow to build source package #20

	on:
	push:
	branches:
	- master
	workflow_dispatch:

	name: Submit to launchpad

	jobs:
	Build:
	runs-on: ubuntu-24.04
	name: 'Sign and upload to Launchpad'

	steps:
	- name: Prepare system
	run: \|
	sudo apt-get update
	sudo add-apt-repository -y "ppa:marutter/rrutter4.0"
	sudo apt-get install -y git gnupg curl devscripts equivs gdebi-core
	mkdir -p ~/.gnupg
	echo "default-cache-ttl 46000" >> ~/.gnupg/gpg-agent.conf
	echo "allow-loopback-pinentry" >> ~/.gnupg/gpg-agent.conf
	echo "allow-preset-passphrase" >> ~/.gnupg/gpg-agent.conf
	echo "DEBUILD_TGZ_CHECK=no" >> ~/.devscripts
	curl -sSL $GPG_KEY > private.pgp
	export GPG_TTY=$(tty)
	gpg --batch --yes --import private.pgp
	rm -f private.pgp
	env:
	GPG_KEY: ${{ secrets.GPG_KEY }}

	- name: Checkout
	uses: actions/checkout@v4

	- name: Install build dependencies
	run: \|
	sudo mk-build-deps -i

	- name: Build and sign source package
	run: \|
	debuild -S -i -I -p"gpg --batch --yes --passphrase $GPG_PASS --pinentry-mode loopback"
	sed -i.bak 's\|noble\|jammy\|g' debian/changelog
	debuild -S -i -I -p"gpg --batch --yes --passphrase $GPG_PASS --pinentry-mode loopback"
	env:
	GPG_PASS: ${{ secrets.GPG_PASS }}

	- name: Upload to launchpad
	run: \|
	cd ..
	dput ppa:opencpu/opencpu-2.2 *.changes

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