Makefile does not require go to run tests (#1663)

Makefile

@@ -43,9 +43,6 @@ CROWDSEC_BIN = crowdsec$(EXT)
 CSCLI_BIN = cscli$(EXT)
 BUILD_CMD = build
 
-GOOS ?= $(shell go env GOOS)
-GOARCH ?= $(shell go env GOARCH)
-
 MINIMUM_SUPPORTED_GO_MAJOR_VERSION = 1
 MINIMUM_SUPPORTED_GO_MINOR_VERSION = 17
 GO_VERSION_VALIDATION_ERR_MSG = Golang version ($(BUILD_GOVERSION)) is not supported, please use at least $(MINIMUM_SUPPORTED_GO_MAJOR_VERSION).$(MINIMUM_SUPPORTED_GO_MINOR_VERSION)

platform/unix_common.mk

@@ -4,15 +4,19 @@ CP=cp
 CPR=cp -r
 MKDIR=mkdir -p
 
-GO_MAJOR_VERSION = $(shell go version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f1)
-GO_MINOR_VERSION = $(shell go version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f2)
+# Go should not be required to run functional tests
+GOOS ?= $(shell command -v go >/dev/null && go env GOOS)
+GOARCH ?= $(shell command -v go >/dev/null && go env GOARCH)
 
-BUILD_GOVERSION="$(shell go version | cut -d " " -f3 | sed -E 's/[go]+//g')"
+GO_MAJOR_VERSION = $(shell command -v go >/dev/null && go version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f1)
+GO_MINOR_VERSION = $(shell command -v go >/dev/null && go version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f2)
+
+BUILD_GOVERSION="$(shell command -v go >/dev/null && go version | cut -d " " -f3 | sed -E 's/[go]+//g')"
 
 #Current versioning information from env
 BUILD_VERSION?="$(shell git describe --tags $$(git rev-list --tags --max-count=1))"
 BUILD_CODENAME="alphaga"
 BUILD_TIMESTAMP=$(shell date +%F"_"%T)
 BUILD_TAG?="$(shell git rev-parse HEAD)"
 DEFAULT_CONFIGDIR?=/etc/crowdsec
-DEFAULT_DATADIR?=/var/lib/crowdsec/data
+DEFAULT_DATADIR?=/var/lib/crowdsec/data

platform/windows.mk

@@ -5,6 +5,9 @@ MAKE=make
 GOOS=windows
 PREFIX=$(shell $$env:TEMP)
 
+GOOS ?= $(shell go env GOOS)
+GOARCH ?= $(shell go env GOARCH)
+
 GO_MAJOR_VERSION ?= $(shell (go env GOVERSION).replace("go","").split(".")[0])
 GO_MINOR_VERSION ?= $(shell (go env GOVERSION).replace("go","").split(".")[1])
 MINIMUM_SUPPORTED_GO_MAJOR_VERSION = 1