[chore] remove unnecessary additional tools (open-telemetry#7852)

This is replicating the setup in the contrib repo that doesn't use
go-acc & gcovmerge for coverage. It uses tools built into go 1.20
instead

---------

Signed-off-by: Alex Boten <[email protected]>

.github/workflows/build-and-test.yml

@@ -168,7 +168,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.10
+          go-version: ~1.20.5
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3

.gitignore

@@ -19,9 +19,8 @@ dist/
 *.DS_Store
 
 # Coverage
-coverage.out
+coverage/*
 coverage.txt
-coverage.html
 
 # Wix
 *.wixobj

Makefile

@@ -59,9 +59,9 @@ gobenchmark:
 	@$(MAKE) for-all-target TARGET="benchmark"
 
 .PHONY: gotest-with-cover
-gotest-with-cover: $(GOCOVMERGE)
+gotest-with-cover:
 	@$(MAKE) for-all-target TARGET="test-with-cover"
-	$(GOCOVMERGE) $$(find . -name coverage.out) > coverage.txt
+	$(GOCMD) tool covdata textfmt -i=./coverage/unit -o ./coverage.txt
 
 .PHONY: goporto
 goporto: $(PORTO)

Makefile.Common

@@ -1,5 +1,7 @@
 # ALL_PKGS is the list of all packages where ALL_SRC files reside.
 ALL_PKGS := $(sort $(shell go list ./...))
+# COVER_PKGS is the list of packages to include in the coverage
+COVER_PKGS := $(shell go list ./... | tr "\n" ",")
 
 GOTEST_OPT?= -race -timeout 120s
 GOCMD?= go
@@ -19,8 +21,6 @@ CHECKDOC    := $(TOOLS_BIN_DIR)/checkdoc
 CHLOG       := $(TOOLS_BIN_DIR)/chloggen
 CROSSLINK   := $(TOOLS_BIN_DIR)/crosslink
 ENVSUBST    := $(TOOLS_BIN_DIR)/envsubst
-GO_ACC      := $(TOOLS_BIN_DIR)/go-acc
-GOCOVMERGE  := $(TOOLS_BIN_DIR)/gocovmerge
 GOIMPORTS   := $(TOOLS_BIN_DIR)/goimports
 GOVULNCHECK := $(TOOLS_BIN_DIR)/govulncheck
 LINT        := $(TOOLS_BIN_DIR)/golangci-lint
@@ -50,7 +50,8 @@ test:
 
 .PHONY: test-with-cover
 test-with-cover: $(GO_ACC)
-	$(GO_ACC) --output=coverage.out ./...
+	mkdir -p $(PWD)/coverage/unit
+	$(GOTEST) $(GOTEST_OPT) -cover ./... -covermode=atomic -coverpkg $(COVER_PKGS) -args -test.gocoverdir="$(PWD)/coverage/unit"
 
 .PHONY: benchmark
 benchmark:

internal/tools/go.mod

@@ -9,9 +9,7 @@ require (
 	github.com/google/addlicense v1.1.1
 	github.com/jcchavezs/porto v0.4.0
 	github.com/mikefarah/yq/v4 v4.34.1
-	github.com/ory/go-acc v0.2.8
 	github.com/pavius/impi v0.0.3
-	github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad
 	go.opentelemetry.io/build-tools/checkdoc v0.8.0
 	go.opentelemetry.io/build-tools/chloggen v0.8.0
 	go.opentelemetry.io/build-tools/crosslink v0.8.0
@@ -53,7 +51,6 @@ require (
 	github.com/breml/errchkjson v0.3.1 // indirect
 	github.com/butuzov/ireturn v0.2.0 // indirect
 	github.com/butuzov/mirror v1.1.0 // indirect
-	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/charithe/durationcheck v0.0.10 // indirect
 	github.com/chavacava/garif v0.0.0-20230227094218-b8c73b2037b8 // indirect
@@ -62,7 +59,6 @@ require (
 	github.com/daixiang0/gci v0.10.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/denis-tingaikin/go-header v0.4.3 // indirect
-	github.com/dgraph-io/ristretto v0.0.2 // indirect
 	github.com/dimchansky/utfbom v1.1.1 // indirect
 	github.com/elliotchance/orderedmap v1.5.0 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
@@ -101,7 +97,6 @@ require (
 	github.com/golangci/revgrep v0.0.0-20220804021717-745bb2f7c2e6 // indirect
 	github.com/golangci/unconvert v0.0.0-20180507085042-28b1c447d1f4 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/uuid v1.3.0 // indirect
 	github.com/gordonklaus/ineffassign v0.0.0-20230610083614-0e73809eb601 // indirect
 	github.com/gostaticanalysis/analysisutil v0.7.1 // indirect
 	github.com/gostaticanalysis/comment v1.4.2 // indirect
@@ -150,9 +145,6 @@ require (
 	github.com/nishanths/predeclared v0.2.2 // indirect
 	github.com/nunnatsa/ginkgolinter v0.12.1 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
-	github.com/ory/viper v1.7.5 // indirect
-	github.com/pborman/uuid v1.2.0 // indirect
-	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect