gradle のダウンロードを行う Makefile

Makefile

release_number := 6.1.1
GRADLE_ZIP := gradle-${release_number}-bin.zip
GRADLE_URL := https://services.gradle.org/distributions/${GRADLE_ZIP}
GRADLE_DIR := gradle-${release_number}
GRADLE := gradle-${release_number}/bin/gradle

all: download
	${GRADLE} assemble

clean:
	rm -rf ${GRADLE_ZIP}
	rm -rf ${GRADLE_DIR}

download: clean
	curl --location --show-error -O --url "${GRADLE_URL}"
	unzip ${GRADLE_ZIP}
	rm -rf ${GRADLE_ZIP}