Upgrade to golangci-lint

scripts/validate

@@ -3,34 +3,21 @@ set -e
 
 cd $(dirname $0)/..
 
+if ! command -v golangci-lint; then
+    echo Skipping validation: no golangci-lint available
+    exit
+fi
 echo Running validation
 
-PACKAGES="$(go list ./...)"
-
 if [ ! -e build/data ];then
     mkdir -p build/data
 fi
 
+echo Running: go generate
 go generate
 
-echo Running: go vet
-go vet ${PACKAGES}
-echo Running: gometalinter
-for i in ${PACKAGES}; do
-    if [ -n "$(gometalinter $i | \
-        grep -v 'pkg/data/zz_generated_bindata.go' | \
-        grep -v 'should have comment.*or be unexported' | \
-        grep -v 'cli/cmd.*don.t use underscores in Go name' | \
-        grep -v 'cli/cmd.*should be DNS' | \
-        tee /dev/stderr)" ]; then
-        failed=true
-    fi
-done
-test -z "$failed"
-echo Running: go fmt
-test -z "$(go fmt ${PACKAGES} | \
-        grep -v 'pkg/data/zz_generated_bindata.go' | \
-        tee /dev/stderr)"
+echo Running: golangci-lint
+golangci-lint run
 
 . ./scripts/version.sh