Use bash in Makefile targets

Makefile

@@ -1,5 +1,10 @@
+SHELL=/bin/bash
+
+pre-install:
+	@$(SHELL) ./scripts/check-node-canvas.sh
+
 all:
-	@sh ./scripts/install.sh
+	@$(SHELL) ./scripts/install.sh
 
 clean:
 	rm -rf node_modules/*
@@ -15,13 +20,13 @@ config/environments/test.js: config.status--test
 
 test: config/environments/test.js
 	@echo "***tests***"
-	./run_tests.sh ${RUNTESTFLAGS} \
-	test/unit/cartodb/*.js \
-	test/unit/cartodb/cache/model/*.js \
-	test/integration/*.js \
-	test/acceptance/*.js \
-	test/acceptance/cache/*.js
+	@$(SHELL) ./run_tests.sh ${RUNTESTFLAGS} \
+		test/unit/cartodb/*.js \
+		test/unit/cartodb/cache/model/*.js \
+		test/integration/*.js \
+		test/acceptance/*.js \
+		test/acceptance/cache/*.js
 
 check: test
 
-.PHONY: test
+.PHONY: pre-install test

package.json

@@ -43,7 +43,7 @@
         "semver": "~1.1.4"
     },
     "scripts": {
-        "preinstall": "sh ./scripts/check-node-canvas.sh",
+        "preinstall": "make pre-install",
         "test": "make test"
     },
     "engines": {

scripts/check-node-canvas.sh

@@ -11,7 +11,7 @@ if [[ "$OSTYPE" == "darwin"* ]]; then
         echo "#                                                                                 #"
         echo "# node-canvas install error: some packages required by 'cairo' are not found      #"
         echo "#                                                                                 #"
-        echo "# Use '\033[1mmake all\033[0m', it will take care of common/known issues                        #"
+        echo -e "# Use '\033[1mmake all\033[0m', it will take care of common/known issues                        #"
         echo "#                                                                                 #"
         echo "# As an alternative try:                                                          #"
         echo "# Try to 'export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/opt/X11/lib/pkgconfig' #"