Move vint to Docker

.travis.yml

@@ -8,7 +8,4 @@ cache: pip
 install: |
     pip install vim-vint==0.3.9
 script: |
-    EXIT=0
-    vint -s || EXIT=$?
-    make test || EXIT=$?
-    exit $EXIT
+    make test

Dockerfile

@@ -5,9 +5,13 @@ RUN install_vim -tag v8.0.0000 -build \
 
 ENV PACKAGES="\
     git \
+    python=2.7.12-r0 \
+    py-pip=8.1.2-r0 \
 "
 RUN apk --update add $PACKAGES && \
     rm -rf /var/cache/apk/* /tmp/* /var/tmp/*
 
+RUN pip install vim-vint==0.3.9
+
 RUN git clone https://github.com/junegunn/vader.vim vader && \
     cd vader && git checkout c6243dd81c98350df4dec608fa972df98fa2a3af

Makefile

@@ -7,8 +7,11 @@ test-setup:
 test: test-setup
 	vims=$$(docker run --rm $(IMAGE) ls /vim-build/bin | grep -E '^n?vim'); \
 	if [ -z "$$vims" ]; then echo "No Vims found!"; exit 1; fi; \
+	EXIT=0; \
 	for vim in $$vims; do \
-	  $(DOCKER) $$vim '+Vader! test/*'; \
-	done
+	  $(DOCKER) $$vim '+Vader! test/*' || EXIT=$$?; \
+	done; \
+	$(DOCKER) vint -s /testplugin || EXIT=$$?; \
+	exit $$EXIT;
 
 .PHONY: test-setup test