include config.mk

.DEFAULT_GOAL := all

# Disabled due to https://github.com/containers/buildah/issues/5581
#REPO_STAMP := push-stamp
#REPO_PATH := repo/
#REPO_STAMPS := $(addsuffix /${REPO_STAMP},${CONTAINERS})
#
#%/${REPO_STAMP}: %/${BUILD_ID_OUT}
#	@mkdir -p ${REPO_PATH}
#	buildah push \
#		-f oci \
#		--compression-format zstd \
#		--compression-level 10 \
#		$(shell cat $<) \
#		oci:${REPO_PATH}:$*:latest
#	touch $@

MANIFEST_FILE = ${IMAGE_DIR}/manifest.json
BUILD_INSTRUCTIONS = Containerfile

# Autogenerated lists
CONTAINERS := $(shell find ./ -name '${BUILD_INSTRUCTIONS}' -exec 'dirname' '{}' ';' | cut -d'/' -f2-)
IMAGE_DIRS := $(addsuffix /${IMAGE_DIR},${CONTAINERS})
BUILD_IDS := $(addsuffix /${BUILD_ID_OUT},${CONTAINERS})
BUILD_LOGS := $(addsuffix /${BUILD_LOG},${CONTAINERS})
MANIFESTS := $(addsuffix /${MANIFEST_FILE},${CONTAINERS})

# Make workaround
# Inserting literal commas into function calls without interpreting them as delimiters
, := ,

# Build all containers in order by default
all: unified

unified: $(MANIFESTS) # $(REPO_STAMPS)
localbuild: $(BUILD_IDS)

# Build process
%/${MANIFEST_FILE}: %/${BUILD_ID_OUT}
	@mkdir -p $*/${IMAGE_DIR}
	buildah push \
		-f oci \
		$(shell cat $<) \
		dir:$*/${IMAGE_DIR}

%/${BUILD_ID_OUT}: %/${BUILD_INSTRUCTIONS}
	buildah build \
		--jobs 0 \
		--network=none \
		--logfile=$*/${BUILD_LOG} \
		-t $*:latest \
		--iidfile $@ \
		$(foreach secretpath,$(wildcard $*/secrets/*),\
			--secret id=$(patsubst $*/secrets/%,%,${secretpath})$(,)src=${secretpath}) \
		$*

# Clean up
clean: cleanbuild cleandirs cleanlogs

cleanlogs:
	-rm -rv ${BUILD_LOGS}

cleanbuild:
	-rm -rv ${BUILD_IDS}

cleandirs:
	-rm -rv ${IMAGE_DIRS}

.PHONY: all clean cleanbuild cleandirs cleanlogs localbuild unified
.SUFFIXES:

# Somehow GNU make forgets these are intermediates if not explicitly stated, feel free to look into it *shrug*
.SECONDARY: $(BUILD_IDS)