From 75705d26d1ae5897c834274172f4bb8bf2ed1912 Mon Sep 17 00:00:00 2001
From: Michael Crosby <crosbymichael@gmail.com>
Date: Mon, 3 Apr 2017 14:22:07 -0700
Subject: [PATCH] Add DCO check to travis

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
---
 .travis.yml |  2 ++
 Makefile    | 10 +++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index c2f91b8..09a432c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,11 +19,13 @@ install:
   - wget https://github.com/google/protobuf/releases/download/v3.1.0/protoc-3.1.0-linux-x86_64.zip -O /tmp/protoc-3.1.0-linux-x86_64.zip
   - unzip -o -d /tmp/protobuf /tmp/protoc-3.1.0-linux-x86_64.zip
   - export PATH=$PATH:/tmp/protobuf/bin/
+  - go get -u github.com/vbatts/git-validation
 
 script:
   - make fmt
   - make binaries
   - make coverage
+  - TRAVIS_COMMIT_RANGE="${TRAVIS_COMMIT_RANGE/.../..}" make dco
   - sudo PATH=$PATH GOPATH=$GOPATH make root-coverage
 
 after_success:
diff --git a/Makefile b/Makefile
index db1eade..3fad2e9 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ GO_LDFLAGS=-ldflags "-X $(PKG).Version=$(VERSION) -X $(PKG).Package=$(PKG)"
 # Flags passed to `go test`
 TESTFLAGS ?=-parallel 8 -race
 
-.PHONY: clean all AUTHORS fmt vet lint build binaries test integration setup generate protos checkprotos coverage ci check help install uninstall vendor
+.PHONY: clean all AUTHORS fmt vet lint dco build binaries test integration setup generate protos checkprotos coverage ci check help install uninstall vendor
 .DEFAULT: default
 
 all: binaries
@@ -77,6 +77,14 @@ lint: ## run go lint
 	@echo "🐳 $@"
 	@test -z "$$(golint ./... | grep -v vendor/ | grep -v ".pb.go:" | tee /dev/stderr)"
 
+dco: ## dco check
+	@which git-validation > /dev/null 2>/dev/null || (echo "ERROR: git-validation not found" && false)
+ifdef TRAVIS_COMMIT_RANGE
+	git-validation -q -run DCO,short-subject,dangling-whitespace
+else
+	git-validation -v -run DCO,short-subject,dangling-whitespace -range $(EPOCH_TEST_COMMIT)..HEAD
+endif
+
 ineffassign: ## run ineffassign
 	@echo "🐳 $@"
 	@test -z "$$(ineffassign . | grep -v vendor/ | grep -v ".pb.go:" | tee /dev/stderr)"