version 2 of https://gist.github.com/blankdots/bb4714b95899fd4e8e100d5961420183

makefile

# this script works in both MacOS and Linux
.PHONY: upload submit user
SHELL := /bin/bash

DOCKER_PATH=$(shell pwd)

#GPG_EXEC=/usr/local/gnupg-2.2/bin/gpg2
GPG_EXEC=/usr/bin/gpg2
SSH_KEY_PUB=~/.ssh/dummy.key.pub
SSH_KEY_PRIV=~/.ssh/dummy.key

INSTANCE=fin
INSTANCE_PORT=$(shell awk -F= '/DOCKER_PORT_inbox/ {print $$2}' $(DOCKER_PATH)/bootstrap/settings)
GPG_HOME=$(DOCKER_PATH)/images/keyserver/gpg
PGP_PUB=$(DOCKER_PATH)/images/keyserver/pgp/ega.pub
PGP_EMAIL=$(shell awk -F= '/PGP_EMAIL/ {print $$2 }' $(DOCKER_PATH)/bootstrap/settings | tr -d ' ' )
CEGA_USERS=$(DOCKER_PATH)/images/cega/users
CEGA_MQ_PASSWORD=$(shell awk -F= '/CEGA_MQ_PASSWORD/ {print $$2}' $(DOCKER_PATH)/compose/.trace | tr -d ' ')
CEGA_MQ_CONNECTION=amqp://cega_$(INSTANCE):$(CEGA_MQ_PASSWORD)@localhost:5672/$(INSTANCE)
OSNAME=$(shell uname -s)
# generate a RANDOM # change with whatever
STABLE_ID=1245

##############################

USER=mysuer
#the user used for file encryption and file uploading
USER0=john
SSH_KEY_PRIV0=$(DOCKER_PATH)/images/cega/users/john.sec

all: user upload submit

dir/file.gpg: org
	@mkdir -p dir $(GPG_HOME)
	$(GPG_EXEC) --homedir $(GPG_HOME) --import $(PGP_PUB)
	$(GPG_EXEC) --homedir $(GPG_HOME) --cipher-algo AES256 --compress-algo 0 -r $(PGP_EMAIL) -e -o $@ $<

upload: user dir/file.gpg dir/file.gpg.md5 dir/file.md5
	sftp -P $(INSTANCE_PORT) -i $(SSH_KEY_PRIV0) $(USER0)@localhost <<< $$'put -r dir'

dir/file.gpg.md5: dir/file.gpg
ifeq ($(OSNAME),Linux)
	printf '%s' $(shell md5sum $< | cut -d' ' -f1) > $@
else
	printf '%s' $(shell md5 -q $< ) > $@
endif

dir/file.md5: org
ifeq ($(OSNAME),Linux)
	printf '%s' $(shell md5sum $< | cut -d' ' -f1) > $@
else
	printf '%s' $(shell md5 -q $< ) > $@
endif

submit: org dir/file.gpg dir/file.gpg.md5 dir/file.md5
	@echo publish.py --connection $(CEGA_MQ_CONNECTION) $(USER0) dir/file.gpg $(STABLE_ID) --unenc ... --enc ...
	@python $(DOCKER_PATH)/../../../extras/publish.py --connection $(subst cega-mq,localhost,$(CEGA_MQ_CONNECTION)) $(USER0) dir/file.gpg $(STABLE_ID) --unenc $(shell cat dir/file.md5) --enc $(shell cat dir/file.gpg.md5)

user: $(CEGA_USERS)/fin/$(USER).yml

$(CEGA_USERS)/fin/$(USER).yml: $(CEGA_USERS)/$(USER).yml
	-cd $(CEGA_USERS)/fin && ln -s ../$(USER).yml .

$(CEGA_USERS)/$(USER).yml:
	@echo --- > $@
	@echo "pubkey: $(shell cat $(SSH_KEY_PUB))" >> $@

clean:
	-unlink $(CEGA_USERS)/fin/$(USER).yml
	rm -rf dir $(GPG_HOME) $(CEGA_USERS)/$(USER).yml