Auto-download composer.phar in the makefile

Author: e1himself

.gitignore

@@ -1,2 +1,3 @@
 /vendor/
 composer.lock
+composer.phar

Makefile

@@ -3,6 +3,12 @@
 tests: vendor
 	php -d zend.assertions=1 -d assert.exception=1 vendor/bin/peridot ./specs
 
-vendor: composer.json composer.lock
-	composer install
+vendor: composer.json composer.phar
+	php composer.phar install
 	touch vendor
+
+composer.phar:
+	php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+	php -r "if (hash_file('sha384', 'composer-setup.php') === 'dac665fdc30fdd8ec78b38b9800061b4150413ff2e3b6f88543c636f7cd84f6db9189d43a81e5503cda447da73c7e5b6') { echo 'Installer verified'.PHP_EOL; } else { echo 'Installer corrupt'.PHP_EOL; unlink('composer-setup.php'); exit(1); }"
+	php composer-setup.php
+	php -r "unlink('composer-setup.php');"