added option to excluded headers from DKIM signing #19

	name: libdkim2 obs trigger

	on:
	push:
	paths:
	- '/libdkim2-x/'
	- '**/prepare_obs'
	- '**/catChangeLog'
	- .github/workflows/libdkim2-obs.yml
	- '!*/doc/'
	- '!**.md'
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: checkout_libdkim2
	uses: actions/checkout@v2

	- name: prepare obs
	run: cd libdkim2-x; ./prepare_obs libdkim2
	- uses: actions/upload-artifact@v2
	with:
	name: libdkim2
	path: ~/stage
	- shell: bash
	name: trigger_obs
	run: \|
	# create ssh environment
	mkdir ~/.ssh
	echo "${{secrets.sf_private_key}}" > ~/.private_key
	chmod 600 ~/.private_key
	echo "${{secrets.sf_known_hosts}}" > ~/.ssh/known_hosts
	# create gpg environment
	echo "Importing gpg key"
	echo "${{secrets.software_key}}" \| gpg --batch --import
	echo "Listing gpg key"
	gpg --list-secret-keys --keyid-format LONG
	# create archive and transfer
	cd ~/stage
	tar cvfz $GITHUB_WORKSPACE/libdkim2-obs.tar.gz *
	# create detached signature for obs archive
	echo "${{secrets.software_passphrase}}" \| gpg2 --pinentry-mode loopback \
	--passphrase-fd 0 --default-key "${{secrets.software_user}}" \
	-o libdkim2-obs.sig --detach-sig $GITHUB_WORKSPACE/libdkim2-obs.tar.gz
	# copy to /home/frs/project/indimail/github
	scp -q -i ~/.private_key $GITHUB_WORKSPACE/libdkim2-obs.tar.gz \
	~/stage/libdkim2-obs.sig "${{secrets.sf_user}}:${{secrets.sf_upload_path}}"
	rm -f ~/.private_key ~/.ssh/known_hosts $GITHUB_WORKSPACE/libdkim2-obs.tar.gz
	rm -rf ~/stage

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