set shell := ["bash","-eu","-o","pipefail","-c"]
set dotenv-load := true

repo := `echo "${IMG_REPO:-${REG}/${NS}/${IMG}}"`

# tag = git tag if exact; else branch-shortsha
tag := `git describe --tags --exact-match 2>/dev/null || echo "$(git rev-parse --abbrev-ref HEAD)-$(git rev-parse --short HEAD)"`
vcs_ref := `git rev-parse --short HEAD`
build_date := `date -u +%Y-%m-%dT%H:%M:%SZ`

default: build

print-env:
	@echo REPO={{repo}}
	@echo TAG={{tag}}

build:
	docker build -t "{{repo}}:{{tag}}" \
	  --build-arg VERSION="{{tag}}" \
	  --build-arg VCS_REF="{{vcs_ref}}" \
	  --build-arg BUILD_DATE="{{build_date}}" .

build-latest:
	docker build -t "{{repo}}:latest" \
	  --build-arg VERSION="latest" \
	  --build-arg VCS_REF="{{vcs_ref}}" \
	  --build-arg BUILD_DATE="{{build_date}}" .

run:
	docker run --rm "{{repo}}:{{tag}}"

clean:
	docker images "{{repo}}" --format '{{"{{.Repository}}:{{.Tag}}"}}' | xargs -r -n1 docker rmi