use gettool and fix makefile paths

Makefile

@@ -54,14 +54,14 @@ $(BIN_DIR)/tools/protoc: protoc.version
 $(BIN_DIR)/tools/prometheus: prometheus.version
 	go run ./devtools/gettool -t prometheus -v $(shell cat prometheus.version) -o $@
 
+$(BIN_DIR)/tools/golangci-lint: golangci-lint.version
+	go run ./devtools/gettool -t golangci-lint -v $(shell cat golangci-lint.version) -o $@
+
 $(BIN_DIR)/tools/protoc-gen-go: go.mod
 	GOBIN=$(abspath $(BIN_DIR))/tools go install google.golang.org/protobuf/cmd/protoc-gen-go
 $(BIN_DIR)/tools/protoc-gen-go-grpc: go.mod
 	GOBIN=$(abspath $(BIN_DIR))/tools go install google.golang.org/grpc/cmd/protoc-gen-go-grpc
 
-$(BIN_DIR)/tools/golangci-lint: golangci-lint.version
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(BIN_DIR)/tools $(shell cat golangci-lint.version)
-
 system.ca.pem:
 	go run ./cmd/goalert gen-cert ca
 system.ca.key:
@@ -145,10 +145,10 @@ check-js: force-yarn generate node_modules
 	yarn run lint
 	yarn workspaces run check
 
-check-go: generate $(BIN_DIR)/tools/golangci-lint bin/tools/golangci-lint
+check-go: generate $(BIN_DIR)/tools/golangci-lint
 	@go mod tidy
 	# go run ./devtools/ordermigrations -check
-	./bin/tools/golangci-lint run
+	$(BIN_DIR)/tools/golangci-lint run
 
 graphql2/mapconfig.go: $(CFGPARAMS) config/config.go graphql2/generated.go devtools/configparams/*
 	(cd ./graphql2 && go run ../devtools/configparams -out mapconfig.go && go run golang.org/x/tools/cmd/goimports -w ./mapconfig.go) || go generate ./graphql2

devtools/gettool/getgolangcilint.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"fmt"
+	"runtime"
+)
+
+func getGolangCiLint(version, output string) error {
+    os := runtime.GOOS + "-" + runtime.GOARCH
+	url := fmt.Sprintf("https://github.com/golangci/golangci-lint/releases/download/v%s/golangci-lint-%s-%s.tar.gz",
+		version, version,
+		os,
+	)
+
+	fd, _, err := fetchFile(url)
+	if err != nil {
+		return fmt.Errorf("fetch: %w", err)
+	}
+	defer fd.Close()
+
+	gzr, err := gzip.NewReader(fd)
+	if err != nil {
+		return fmt.Errorf("deflate: %w", err)
+	}
+	defer gzr.Close()
+
+	r := tar.NewReader(gzr)
+
+	err = extractFromTar(r, "*/golangci-lint", output, true)
+	if err != nil {
+		return fmt.Errorf("extract: %w", err)
+	}
+
+	return nil
+}

devtools/gettool/run.go

@@ -28,6 +28,8 @@ func main() {
 		err = getPrometheus(*version, *output)
 	case "protoc":
 		err = getProtoC(*version, *output)
+	case "golangci-lint":
+		err = getGolangCiLint(*version, *output)
 	default:
 		log.Fatalf("unknown tool '%s'", *tool)
 	}

golangci-lint.version

@@ -1 +1 @@
-v1.50.1
+1.50.1