Makefile

# get Makefile directory name: http://stackoverflow.com/a/5982798/376773
THIS_MAKEFILE_PATH:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
THIS_DIR:=$(shell cd $(dir $(THIS_MAKEFILE_PATH));pwd)

empty:=
space:=$(empty) $(empty)
THIS_DIR:= $(subst $(space),\$(space),$(THIS_DIR))

# BIN
BIN := $(THIS_DIR)/bin

# NODE BIN folder
NODE_BIN := $(THIS_DIR)/node_modules/.bin

# applications
NODE ?= node
NPM ?= $(NODE) $(shell which npm)
BUNDLER ?= $(BIN)/bundler
SASS ?= $(NODE_BIN)/node-sass --include-path 'client:shared'
RTLCSS ?= $(NODE_BIN)/rtlcss
AUTOPREFIXER ?= $(NODE_BIN)/autoprefixer
RECORD_ENV ?= $(BIN)/record-env
GET_I18N ?= $(BIN)/get-i18n
I18NLINT ?= $(BIN)/i18nlint
LIST_ASSETS ?= $(BIN)/list-assets
ALL_DEVDOCS_JS ?= $(THIS_DIR)/server/devdocs/bin/generate-devdocs-index

# files used as prereqs
SASS_FILES := $(shell find client shared assets -type f -name '*.scss')
JS_FILES := $(shell find . -type f \( -name '*.js' -or -name '*.jsx' \) -and -not \( -path './node_modules/*' -or  -path './public/*' \) )
MD_FILES := $(shell find . -name '*.md' -and -not -path '*node_modules*' -and -not -path '*.git*' | sed 's/ /\\ /g')
CLIENT_CONFIG_FILE := client/config/index.js

# variables
NODE_ENV ?= development
CALYPSO_ENV ?= $(NODE_ENV)

export NODE_ENV := $(NODE_ENV)
export CALYPSO_ENV := $(CALYPSO_ENV)
export NODE_PATH := server:shared:$(THIS_DIR)

.DEFAULT_GOAL := install

install: node_modules

# Simply running `make run` will spawn the Node.js server instance.
run: githooks-commit install build
	@$(NODE) build/bundle-$(CALYPSO_ENV).js

# a helper rule to ensure that a specific module is installed,
# without relying on a generic `npm install` command
node_modules/%:
	@$(NPM) install $(notdir $@)

# ensures that the `node_modules` directory is installed and up-to-date with
# the dependencies listed in the "package.json" file.
node_modules: package.json
	@$(NPM) prune
	@$(NPM) install
	@touch node_modules

# run `make test` in all discovered Makefiles
test: build
	@$(BIN)/run-all-tests

lint: node_modules/eslint node_modules/eslint-plugin-react node_modules/babel-eslint
	@$(NODE_BIN)/eslint --quiet $(JS_FILES)

eslint: lint

eslint-branch: node_modules/eslint node_modules/eslint-plugin-react node_modules/babel-eslint
	@git diff --name-only $$(git merge-base $$(git rev-parse --abbrev-ref HEAD) master)..HEAD | grep '\.jsx\?$$' | xargs $(NODE_BIN)/eslint

# Skip test directories (with the sed regex) for i18nlint in lieu of proper
# ignore functionality
i18n-lint:
	@echo "$(JS_FILES)" | sed 's/\([^ ]*\/test\/[^ ]* *\)//g' | xargs -n1 $(I18NLINT)

# keep track of the current CALYPSO_ENV so that it can be used as a
# prerequisite for other rules
.env: FORCE
	@$(RECORD_ENV) $@

# generate the client-side `config` js file
$(CLIENT_CONFIG_FILE): .env config/$(CALYPSO_ENV).json config/client.json client/config/regenerate.js
	@$(NODE) client/config/regenerate.js > $@

public/style.css: node_modules $(SASS_FILES)
	@$(SASS) assets/stylesheets/style.scss $@
	@$(AUTOPREFIXER) $@

public/style-debug.css: node_modules $(SASS_FILES)
	@$(SASS) --source-map "$(@D)/style-debug.css.map" assets/stylesheets/style.scss $@
	@$(AUTOPREFIXER) $@

public/style-rtl.css: public/style.css
	@$(RTLCSS) $(THIS_DIR)/public/style.css $@

public/editor.css: node_modules $(SASS_FILES)
	@$(SASS) assets/stylesheets/editor.scss $@
	@$(AUTOPREFIXER) $@

server/devdocs/search-index.js: $(MD_FILES) $(ALL_DEVDOCS_JS)
	@$(ALL_DEVDOCS_JS) $(MD_FILES)

build-server: install
	@mkdir -p build
	@CALYPSO_ENV=$(CALYPSO_ENV) $(NODE_BIN)/webpack --display-error-details --config webpack.config.node.js

build: install build-$(CALYPSO_ENV)

build-css: public/style.css public/style-rtl.css public/style-debug.css public/editor.css

build-development: build-server $(CLIENT_CONFIG_FILE) server/devdocs/search-index.js build-css

build-wpcalypso: build-server $(CLIENT_CONFIG_FILE) server/devdocs/search-index.js build-css
	@$(BUNDLER)

build-desktop build-desktop-mac-app-store build-horizon build-stage build-production: build-server $(CLIENT_CONFIG_FILE) build-css
	@$(BUNDLER)

# the `clean` rule deletes all the files created from `make build`, but not
# those created by `make install`
clean:
	@rm -rf public/style*.css public/style-debug.css.map public/*.js $(CLIENT_CONFIG_FILE) server/devdocs/search-index.js public/editor.css build/* server/bundler/*.json

# the `distclean` rule deletes all the files created from `make install`
distclean:
	@rm -rf node_modules

# create list of translations, saved as `./calypso-strings.php`
translate: node_modules $(CLIENT_CONFIG_FILE)
	@CALYPSO_ENV=stage $(BUNDLER)
	@CALYPSO_ENV=stage $(LIST_ASSETS) | xargs $(GET_I18N) ./calypso-strings.php calypso_i18n_strings

# install all git hooks
githooks: githooks-commit githooks-push

# install git pre-commit hook
githooks-commit:
	@if [ ! -e .git/hooks/pre-commit ]; then ln -s ../../bin/pre-commit .git/hooks/pre-commit; fi

# install git pre-push hook
githooks-push:
	@if [ ! -e .git/hooks/pre-push ]; then ln -s ../../bin/pre-push .git/hooks/pre-push; fi

# rule that can be used as a prerequisite for other rules to force them to always run
FORCE:

.PHONY: build build-development build-server
.PHONY: run install test clean distclean translate route
.PHONY: githooks githooks-commit githooks-push