Add Golint to CircleCI

.circleci/config.yml

@@ -27,6 +27,11 @@ jobs:
           command: |
             export PATH="$GOBIN:$PATH"
             make get_vendor_deps
+      - run:
+          name: linter
+          command: |
+            export PATH="$GOBIN:$PATH"
+            go get -u github.com/tendermint/lint/golint
       - run:
           name: binaries
           command: |
@@ -46,6 +51,24 @@ jobs:
           paths:
             - /go/src/github.com/cosmos/cosmos-sdk
 
+  lint:
+    <<: *defaults
+    parallelism: 4
+    steps:
+      - attach_workspace:
+          at: /tmp/workspace
+      - restore_cache:
+          key: v1-pkg-cache
+      - restore_cache:
+          key: v1-tree-{{ .Environment.CIRCLE_SHA1 }}
+      - run:
+          name: Lint source
+          command: |
+            export PATH="$GOBIN:$PATH"
+            for pkg in $(go list github.com/cosmos/cosmos-sdk/... | grep -v /vendor/); do
+              test -z "$(golint $pkg | tee /dev/stderr)" 
+            done
+
   test_cover:
     <<: *defaults
     parallelism: 4
@@ -96,10 +119,12 @@ workflows:
   test-suite:
     jobs:
       - setup_dependencies
+      - lint:
+          requires:
+            - setup_dependencies
       - test_cover:
           requires:
             - setup_dependencies
       - upload_coverage:
           requires:
             - test_cover
-