fix: race condition (#110)

.github/workflows/test.yml

@@ -10,10 +10,10 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ 1.19, "1.20" ]
+        go-version: [ "1.20", "1.21" ]
     runs-on: ubuntu-latest
     env:
-      GOLANGCI_LINT_VERSION: v1.51.0
+      GOLANGCI_LINT_VERSION: v1.54.1
 
     steps:
       - name: Install Go

.golangci.yml

@@ -27,6 +27,7 @@ linters:
     - structcheck # deprecated
     - deadcode # deprecated
     - ifshort # deprecated
+    - depguard
     - exhaustive
     - exhaustruct
     - forcetypeassert

Makefile

@@ -1,4 +1,26 @@
-include github.com/hamba/make/golang
+# Format all files
+fmt:
+	@echo "==> Formatting source"
+	@gofmt -s -w $(shell find . -type f -name '*.go' -not -path "./vendor/*")
+	@echo "==> Done"
+.PHONY: fmt
+
+# Tidy the go.mod file
+tidy:
+	@echo "==> Cleaning go.mod"
+	@go mod tidy
+	@echo "==> Done"
+.PHONY: tidy
+
+# Run all tests
+test:
+	@go test -cover -race ./...
+.PHONY: test
+
+# Lint the project
+lint:
+	@golangci-lint run ./...
+.PHONY: lint
 
 # Generate Go files
 generate:

go.mod

@@ -1,6 +1,6 @@
 module github.com/hamba/statter/v2
 
-go 1.16
+go 1.20
 
 require (
 	github.com/VictoriaMetrics/metrics v1.24.0
@@ -10,3 +10,23 @@ require (
 	github.com/stretchr/testify v1.8.4
 	github.com/valyala/fastrand v1.1.0
 )
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
+	github.com/rogpeppe/go-internal v1.11.0 // indirect
+	github.com/stretchr/objx v0.5.0 // indirect
+	github.com/valyala/histogram v1.2.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)