*: vendor golint to prevent upstream changes from breaking the build

golint has updated or dropped support for old Go versions several times,
causing breaks in our build. Vendor it locally to prevent this.

.travis.yml

@@ -16,7 +16,6 @@ env:
   - DEX_POSTGRES_DATABASE=postgres DEX_POSTGRES_USER=postgres DEX_POSTGRES_HOST="localhost" DEX_ETCD_ENDPOINTS=http://localhost:2379 DEX_LDAP_TESTS=1 DEBIAN_FRONTEND=noninteractive
 
 install:
-  - go get -u golang.org/x/lint/golint
   - sudo -E apt-get install -y --force-yes slapd time ldap-utils
   - sudo /etc/init.d/slapd stop
   - docker run -d --net=host gcr.io/etcd-development/etcd:v3.2.9

Makefile

@@ -51,9 +51,9 @@ vet:
 fmt:
 	@./scripts/gofmt $(shell go list ./... | grep -v '/vendor/')
 
-lint:
+lint: bin/golint
 	@for package in $(shell go list ./... | grep -v '/vendor/' | grep -v '/api' | grep -v '/server/internal'); do \
-      golint -set_exit_status $$package $$i || exit 1; \
+      ./bin/golint -set_exit_status $$package $$i || exit 1; \
 	done
 
 .PHONY: docker-image
@@ -75,6 +75,9 @@ bin/protoc: scripts/get-protoc
 bin/protoc-gen-go:
 	@go install -v $(REPO_PATH)/vendor/github.com/golang/protobuf/protoc-gen-go
 
+bin/golint:
+	@go install -v $(REPO_PATH)/vendor/golang.org/x/lint/golint
+
 clean:
 	@rm -rf bin/
 

glide.lock

@@ -1,5 +1,5 @@
-hash: 12d0ad2fc0df4ab221e45c1ba7821708b908033c82741e250cc46dcd445b67eb
-updated: 2018-09-30T14:07:57.901347233-04:00
+hash: fe29de07f5c1580c51de0e78796bce522d933602d88a4c397b586bd88ca7ca76
+updated: 2018-10-24T14:58:32.448481302-07:00
 imports:
 - name: github.com/beevik/etree
   version: 4cd0dd976db869f817248477718071a28e978df0
@@ -111,6 +111,10 @@ imports:
   - ed25519
   - ed25519/internal/edwards25519
   - pbkdf2
+- name: golang.org/x/lint
+  version: 1baf3a9d7d675b3c7e974b7a00ded54b88a88379
+  subpackages:
+  - golint
 - name: golang.org/x/net
   version: 5602c733f70afc6dcec6766be0d5034d4c4f14de
   subpackages:
@@ -138,6 +142,12 @@ imports:
   - transform
   - unicode/bidi
   - unicode/norm
+- name: golang.org/x/tools
+  version: a2dc47679d30b6c496245bafc6a166b46c5fe318
+  subpackages:
+  - go/ast/astutil
+  - go/gcexportdata
+  - go/internal/gcimporter
 - name: google.golang.org/appengine
   version: 267c27e7492265b84fc6719503b14a1e17975d79
   subpackages:

glide.yaml

@@ -97,6 +97,19 @@ import:
   - diff
   - pretty
 
+# Changes to golint have broken our build enough that it's worth vendoring.
+- package: golang.org/x/lint
+  version: 1baf3a9d7d675b3c7e974b7a00ded54b88a88379
+  subpackages:
+  - golint
+- package: golang.org/x/tools
+  version: a2dc47679d30b6c496245bafc6a166b46c5fe318
+  subpackages:
+  - go/ast/astutil
+  - go/gcexportdata
+  - go/internal/gcimporter
+
+
 # SQL drivers
 - package: github.com/mattn/go-sqlite3
   version: 3fb7a0e792edd47bf0cf1e919dfc14e2be412e15