Add gofmt to CircleCI (#107)

Signed-off-by: Gábor Lipták <gliptak@gmail.com>

.circleci/config.yml

@@ -27,6 +27,10 @@ jobs:
             rm -rf goreleaser_Linux_x86_64.tar.gz
             curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
       - checkout
+      - run:
+          name: gofmt
+          command: |
+            gofmt -w -s . && git diff --exit-code
       - run:
           name: Build
           command: |

ct/cmd/lint.go

@@ -95,4 +95,3 @@ func lint(cmd *cobra.Command, args []string) {
 		os.Exit(1)
 	}
 }
-