move some lint checks to Makefile

.gitignore

@@ -7,6 +7,7 @@ js/
 report
 clover.xml
 composer.lock
+appinfo/info.xsd
 
 # just sane ignores
 .*.sw[po]

.travis.yml

@@ -39,12 +39,6 @@ before_install:
   - cd apps/$APP_NAME
 
 script:
-  # Check info.xml schema validity
-  - wget https://apps.nextcloud.com/schema/apps/info.xsd
-  - xmllint appinfo/info.xml --schema info.xsd --noout
-  - rm info.xsd
-  # Check PHP syntax errors
-  - find . -name \*.php -exec php -l "{}" \;
   # Check app validity
   - php ../../occ app:check-code notes
   # Run PHP unit tests (skipped due to errors)

Makefile

@@ -91,9 +91,12 @@ test-coverage:
 	npm run test:coverage
 
 # Linting
-lint: lint-php lint-js lint-css
+lint: lint-php lint-js lint-css lint-nextcloud
 
 lint-php:
+	# Check PHP syntax errors
+	@! find lib/ -name "*.php" | xargs -I{} php -l '{}' | grep -v "No syntax errors detected"
+	# PHP CodeSniffer
 	vendor/bin/phpcs --standard=phpcs.xml --runtime-set ignore_warnings_on_exit 1 appinfo/ lib/
 
 lint-js:
@@ -102,6 +105,11 @@ lint-js:
 lint-css:
 	npm run stylelint
 
+lint-nextcloud:
+	# Check info.xml schema validity
+	wget https://apps.nextcloud.com/schema/apps/info.xsd -P appinfo/ -N --no-verbose || [ -f appinfo/info.xsd ]
+	xmllint appinfo/info.xml --schema appinfo/info.xsd --noout
+
 # Fix lint
 lint-fix: lint-php-fix lint-js-fix lint-css-fix