Makefile

   1 #!/usr/bin/make -f
   2
   3 PKGNAME := string-lerp
   4
   5 fallback = $(firstword $(shell command -v $(1)) $(2))
   6
   7 GIT ?= git
   8 git_ls-tree = $(shell $(GIT) ls-tree -r --name-only $(1))
   9 git_tag = $(shell $(GIT) name-rev --tags --name-only $(shell $(GIT) rev-parse $(1)))
  10
  11 NPM ?= npm
  12 NPMBINDIR := ./node_modules/.bin
  13 JSTEST ?= $(NPMBINDIR)/jstest
  14 JSHINT ?= $(call fallback,jshint,$(NPMBINDIR)/jshint)
  15 UGLIFY ?= $(call fallback,uglifyjs,$(NPMBINDIR)/uglifyjs)
  16 SOURCES := string-lerp.js
  17 UGLIFIED = $(SOURCES:.js=.min.js)
  18
  19 JSHINTFLAGS += --config tests/jshint.config
  20
  21 TESTS = $(wildcard tests/*.js)
  22 LINT_TARGETS = $(patsubst %.js,build/stamp/%.lint,$(SOURCES))
  23 TEST_TARGETS = $(patsubst %.js,build/stamp/%.test,$(SOURCES)) \
  24                $(patsubst tests/%.js,build/stamp/%.test,$(TESTS))
  25
  26 .PHONY: all check lint test ugly dist clean distclean install
  27
  28 all:
  29         @echo "Interesting targets:"
  30         @echo "    lint - validate source (with jshint)"
  31         @echo "    test - run tests (with jstest)"
  32         @echo "    ugly - generate minified/mangled source files"
  33         @echo "    dist - generate redistributables (if git tagged)"
  34         @echo
  35         @echo "(Running these may download packages from npm.)"
  36         @echo
  37
  38 %.min.js: %.js | $(UGLIFY)
  39         $(UGLIFY) --comments -m < $< > $@
  40
  41 build/stamp/%.lint: %.js | $(JSHINT)
  42         @mkdir -p $(@D)
  43         $(JSHINT) $(JSHINTFLAGS) $<
  44         @touch $@
  45
  46 build/stamp/%.test: tests/%.js %.js | $(JSTEST)
  47         @mkdir -p $(@D)
  48         @echo $(JSTEST) $<
  49         @$(JSTEST) $< > $@ || (cat $@ && rm -f $@ && exit 1)
  50         @touch $@
  51
  52 build/stamp/%.test: tests/%.js $(SOURCES) | $(JSTEST)
  53         @mkdir -p $(@D)
  54         @echo $(JSTEST) $<
  55         @$(JSTEST) $< > $@ || (cat $@ && rm -f $@ && exit 1)
  56         @touch $@
  57
  58 check: lint test
  59
  60 lint: $(LINT_TARGETS)
  61
  62 test: $(TEST_TARGETS)
  63
  64 ugly: $(UGLIFIED)
  65
  66 build/dist/$(PKGNAME)-undefined.zip build/dist/$(PKGNAME)-undefined.tar.gz:
  67         $(error Distributables must be tagged or explicitly versioned)
  68
  69 .SECONDEXPANSION:
  70 build/dist/$(PKGNAME)-%.zip: $$(call git_ls-tree,$$*)
  71         @mkdir -p $(@D)
  72         $(GIT) archive --prefix=$(PKGNAME)-$*/ --output=$@ $* || ($(RM) $@ && exit 1)
  73
  74 .SECONDEXPANSION:
  75 build/dist/$(PKGNAME)-%.tar.gz: $$(call git_ls-tree,$$*)
  76         @mkdir -p $(@D)
  77         $(GIT) archive --prefix=$(PKGNAME)-$*/ --output=$@ $* || ($(RM) $@ && exit 1)
  78
  79 dist: check $(addprefix build/dist/$(PKGNAME)-$(call git_tag,HEAD),.zip .tar.gz)
  80
  81 clean:
  82         $(RM) -r build
  83         $(RM) $(UGLIFIED)
  84
  85 distclean: clean
  86         $(RM) -r node_modules
  87
  88 install: check
  89         $(NPM) install -g .
  90
  91 $(JSTEST):
  92         $(NPM) install jstest
  93
  94 $(JSHINT):
  95         $(NPM) install jshint
  96
  97 $(UGLIFY):
  98         $(NPM) install uglify-js