Makefile

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