Add support for Go modules

.gitignore

@@ -26,3 +26,7 @@ _testmain.go
 *.pprof
 *.out
 *.log
+
+/bin
+cover.out
+cover.html

.travis.yml

@@ -1,21 +1,23 @@
 language: go
 sudo: false
-go:
-  - 1.11.x
-  - 1.12.x
+
 go_import_path: go.uber.org/zap
 env:
   global:
     - TEST_TIMEOUT_SCALE=10
-cache:
-  directories:
-    - vendor
-install:
-  - make dependencies
+    - GO111MODULE=on
+
+matrix:
+  include:
+  - go: 1.12.x
+  - go: 1.13.x
+    env: LINT=1
+
 script:
-  - make lint
+  - test -z "$LINT" || make lint
   - make test
   - make bench
+
 after_success:
   - make cover
   - bash <(curl -s https://codecov.io/bash)

Makefile

@@ -1,74 +1,55 @@
-export GO15VENDOREXPERIMENT=1
+export GOBIN ?= $(shell pwd)/bin
 
+GOLINT = $(GOBIN)/golint
 BENCH_FLAGS ?= -cpuprofile=cpu.pprof -memprofile=mem.pprof -benchmem
-PKGS ?= $(shell glide novendor)
-# Many Go tools take file globs or directories as arguments instead of packages.
-PKG_FILES ?= *.go zapcore benchmarks buffer zapgrpc zaptest zaptest/observer internal/bufferpool internal/exit internal/color internal/ztest
 
-# The linting tools evolve with each Go version, so run them only on the latest
-# stable release.
-GO_VERSION := $(shell go version | cut -d " " -f 3)
-GO_MINOR_VERSION := $(word 2,$(subst ., ,$(GO_VERSION)))
-LINTABLE_MINOR_VERSIONS := 12
-ifneq ($(filter $(LINTABLE_MINOR_VERSIONS),$(GO_MINOR_VERSION)),)
-SHOULD_LINT := true
-endif
+# Directories containing independent Go modules.
+#
+# We track coverage only for the main module.
+MODULE_DIRS = . ./benchmarks
 
+# Many Go tools take file globs or directories as arguments instead of packages.
+GO_FILES := $(shell \
+	find . '(' -path '*/.*' -o -path './vendor' ')' -prune \
+	-o -name '*.go' -print | cut -b3-)
 
 .PHONY: all
 all: lint test
 
-.PHONY: dependencies
-dependencies:
-	@echo "Installing Glide and locked dependencies..."
-	glide --version || go get -u -f github.com/Masterminds/glide
-	glide install
-	@echo "Installing test dependencies..."
-	go install ./vendor/github.com/axw/gocov/gocov
-	go install ./vendor/github.com/mattn/goveralls
-ifdef SHOULD_LINT
-	@echo "Installing golint..."
-	go install ./vendor/golang.org/x/lint/golint
-else
-	@echo "Not installing golint, since we don't expect to lint on" $(GO_VERSION)
-endif
-
-# Disable printf-like invocation checking due to testify.assert.Error()
-VET_RULES := -printf=false
-
 .PHONY: lint
-lint:
-ifdef SHOULD_LINT
+lint: $(GOLINT)
 	@rm -rf lint.log
 	@echo "Checking formatting..."
-	@gofmt -d -s $(PKG_FILES) 2>&1 | tee lint.log
-	@echo "Installing test dependencies for vet..."
-	@go test -i $(PKGS)
+	@gofmt -d -s $(GO_FILES) 2>&1 | tee lint.log
 	@echo "Checking vet..."
-	@go vet $(VET_RULES) $(PKGS) 2>&1 | tee -a lint.log
+	@$(foreach dir,$(MODULE_DIRS),(cd $(dir) && go vet ./... 2>&1) &&) true | tee -a lint.log
 	@echo "Checking lint..."
-	@$(foreach dir,$(PKGS),golint $(dir) 2>&1 | tee -a lint.log;)
+	@$(foreach dir,$(MODULE_DIRS),(cd $(dir) && $(GOLINT) ./... 2>&1) &&) true | tee -a lint.log
 	@echo "Checking for unresolved FIXMEs..."
-	@git grep -i fixme | grep -v -e vendor -e Makefile | tee -a lint.log
+	@git grep -i fixme | grep -v -e Makefile | tee -a lint.log
 	@echo "Checking for license headers..."
 	@./checklicense.sh | tee -a lint.log
 	@[ ! -s lint.log ]
-else
-	@echo "Skipping linters on" $(GO_VERSION)
-endif
+
+$(GOLINT):
+	go install golang.org/x/lint/golint
 
 .PHONY: test
 test:
-	go test -race $(PKGS)
+	@$(foreach dir,$(MODULE_DIRS),(cd $(dir) && go test -race ./...) &&) true
 
 .PHONY: cover
 cover:
-	./scripts/cover.sh $(PKGS)
+	go test -race -coverprofile=cover.out -coverpkg=./... ./...
+	go tool cover -html=cover.out -o cover.html
 
 .PHONY: bench
 BENCH ?= .
 bench:
-	@$(foreach pkg,$(PKGS),go test -bench=$(BENCH) -run="^$$" $(BENCH_FLAGS) $(pkg);)
+	@$(foreach dir,$(MODULE_DIRS), ( \
+		cd $(dir) && \
+		go list ./... | xargs -n1 go test -bench=$(BENCH) -run="^$$" $(BENCH_FLAGS) \
+	) &&) true
 
 .PHONY: updatereadme
 updatereadme:

benchmarks/go.mod

@@ -0,0 +1,16 @@
+module go.uber.org/zap/benchmarks
+
+go 1.13
+
+replace go.uber.org/zap => ../
+
+require (
+	github.com/apex/log v1.1.1
+	github.com/go-kit/kit v0.9.0
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/rs/zerolog v1.16.0
+	github.com/sirupsen/logrus v1.4.2
+	go.uber.org/multierr v1.3.0
+	go.uber.org/zap v0.0.0-00010101000000-000000000000
+	gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec
+)

benchmarks/go.sum

@@ -0,0 +1,119 @@
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+golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec h1:RlWgLqCMMIYYEVcAR5MDsuHlVkaIPDAF+5Dehzg8L5A=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

global_test.go

@@ -273,7 +273,7 @@ func checkStdLogMessage(t *testing.T, msg string, logs *observer.ObservedLogs) {
 	assert.Equal(t, "redirected", entry.Entry.Message, "Unexpected entry message.")
 	assert.Regexp(
 		t,
-		`go.uber.org/zap/global_test.go:\d+$`,
+		`/global_test.go:\d+$`,
 		entry.Entry.Caller.String(),
 		"Unexpected caller annotation.",
 	)

go.mod

@@ -0,0 +1,11 @@
+module go.uber.org/zap
+
+go 1.13
+
+require (
+	github.com/pkg/errors v0.8.1
+	github.com/stretchr/testify v1.4.0
+	go.uber.org/atomic v1.5.0
+	go.uber.org/multierr v1.3.0
+	golang.org/x/lint v0.0.0-20190930215403-16217165b5de
+)