go.mod, vendor: update (#3358)

* go.mod, vendor: remove unnecessary dependencies

Commands:
1. go mod tidy
2. go mod vendor

* go.mod, vendor: update cloud.google.com/go

Commands:
1. go get -u cloud.google.com/go
2. go mod tidy
3. go mod vendor

* go.mod, vendor: update cloud.google.com/*

Commands:
1. go get -u cloud.google.com/storage cloud.google.com/logging
2. go mod tidy
3. go mod vendor

* go.mod, .golangci.yml, vendor: update *lint*

Commands:
1. go get -u golang.org/x/tools github.com/golangci/golangci-lint@v1.47.0
2. go mod tidy
3. go mod vendor
4. edit .golangci.yml to suppress new errors (resolved in the same PR later)

* all: fix lint errors

hash.go: copy() recommended by gosimple
parse.go: ent is never nil
verifier.go: signal.Notify() with unbuffered channel is bad. Have no idea why.

* .golangci.yml: adjust godot rules

check-all is deprecated, but still work
if you're hesitating too - I'll remove this commit

1 files changed, 16 insertions, 0 deletions

diff --git a/vendor/github.com/ettle/strcase/Makefile b/vendor/github.com/ettle/strcase/Makefile
new file mode 100644
index 000000000..462f8b473
--- /dev/null
+++ b/vendor/github.com/ettle/strcase/Makefile
@@ -0,0 +1,16 @@
+.PHONY: benchmark docs lint test
+
+docs:
+	which godoc2ghmd || ( go get github.com/DevotedHealth/godoc2ghmd && go mod tidy )
+	godoc2ghmd -template .readme.tmpl github.com/ettle/strcase > README.md
+
+test:
+	go test -cover ./...
+
+lint:
+	which golangci-lint || ( go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.27.0 && go mod tidy )
+	golangci-lint run
+	golangci-lint run benchmark/*.go
+
+benchmark:
+	cd benchmark && go test -bench=. -test.benchmem && go mod tidy