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