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jquery / Makefile

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V ?= 0

SRC_DIR = src
TEST_DIR = test
BUILD_DIR = build

PREFIX = .
DIST_DIR = ${PREFIX}/dist

JS_ENGINE ?= `which node nodejs`
COMPILER = ${JS_ENGINE} ${BUILD_DIR}/uglify.js --unsafe

BASE_FILES = ${SRC_DIR}/core.js\
	${SRC_DIR}/support.js\
	${SRC_DIR}/data.js\
	${SRC_DIR}/queue.js\
	${SRC_DIR}/attributes.js\
	${SRC_DIR}/event.js\
	${SRC_DIR}/selector.js\
	${SRC_DIR}/traversing.js\
	${SRC_DIR}/manipulation.js\
	${SRC_DIR}/css.js\
	${SRC_DIR}/ajax.js\
	${SRC_DIR}/ajax/jsonp.js\
	${SRC_DIR}/ajax/script.js\
	${SRC_DIR}/ajax/xhr.js\
	${SRC_DIR}/effects.js\
	${SRC_DIR}/offset.js\
	${SRC_DIR}/dimensions.js

MODULES = ${SRC_DIR}/intro.js\
	${BASE_FILES}\
	${SRC_DIR}/outro.js

JQ = ${DIST_DIR}/jquery.js
JQ_MIN = ${DIST_DIR}/jquery.min.js

SIZZLE_DIR = ${SRC_DIR}/sizzle
QUNIT_DIR = ${TEST_DIR}/qunit

JQ_VER = $(shell cat version.txt)
VER = sed "s/@VERSION/${JQ_VER}/"

DATE=$(shell git log -1 --pretty=format:%ad)

all: jquery min lint
	@@echo "jQuery build complete."

${DIST_DIR}:
	@@mkdir -p ${DIST_DIR}

ifeq ($(strip $(V)),0)
verbose = --quiet
else ifeq ($(strip $(V)),1)
verbose =
else
verbose = --verbose
endif

define clone_or_pull
-@@if test ! -d $(strip ${1})/.git; then \
		echo "Cloning $(strip ${1})..."; \
		git clone $(strip ${verbose}) --depth=1 $(strip ${2}) $(strip ${1}); \
	else \
		echo "Pulling $(strip ${1})..."; \
		git --git-dir=$(strip ${1})/.git pull $(strip ${verbose}) origin master; \
	fi

endef

${QUNIT_DIR}:
	$(call clone_or_pull, ${QUNIT_DIR}, git://github.com/jquery/qunit.git)

${SIZZLE_DIR}:
	$(call clone_or_pull, ${SIZZLE_DIR}, git://github.com/jeresig/sizzle.git)

init: ${QUNIT_DIR} ${SIZZLE_DIR}

jquery: init ${JQ}
jq: init ${JQ}

${JQ}: ${MODULES} | ${DIST_DIR}
	@@echo "Building" ${JQ}

	@@cat ${MODULES} | \
		sed 's/.function..jQuery...{//' | \
		sed 's/}...jQuery..;//' | \
		sed 's/@DATE/'"${DATE}"'/' | \
		${VER} > ${JQ};

${SRC_DIR}/selector.js: ${SIZZLE_DIR}/sizzle.js
	@@echo "Building selector code from Sizzle"
	@@sed '/EXPOSE/r src/sizzle-jquery.js' ${SIZZLE_DIR}/sizzle.js | grep -v window.Sizzle > ${SRC_DIR}/selector.js

lint: jquery
	@@if test ! -z ${JS_ENGINE}; then \
		echo "Checking jQuery against JSLint..."; \
		${JS_ENGINE} build/jslint-check.js; \
	else \
		echo "You must have NodeJS installed in order to test jQuery against JSLint."; \
	fi

min: ${JQ_MIN}

${JQ_MIN}: jquery
	@@if test ! -z ${JS_ENGINE}; then \
		echo "Minifying jQuery" ${JQ_MIN}; \
		${COMPILER} ${JQ} > ${JQ_MIN}.tmp; \
		sed '$ s#^\( \*/\)\(.\+\)#\1\n\2;#' ${JQ_MIN}.tmp > ${JQ_MIN}; \
		rm -rf ${JQ_MIN}.tmp; \
	else \
		echo "You must have NodeJS installed in order to minify jQuery."; \
	fi
	

clean:
	@@echo "Removing Distribution directory:" ${DIST_DIR}
	@@rm -rf ${DIST_DIR}

	@@echo "Removing built copy of Sizzle"
	@@rm -f src/selector.js

	@@echo "Removing cloned directories"
	@@rm -rf test/qunit src/sizzle

.PHONY: all jquery lint min init jq clean