From bfedbd028d0a0328c6a7b6378f5db9c10e696405 Mon Sep 17 00:00:00 2001
From: Yeray Borges <yborgess@redhat.com>
Date: Wed, 16 Oct 2024 16:42:34 +0100
Subject: [PATCH] [#314] Limit the higher Go version we can use

Fixes #314
---
 Makefile | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Makefile b/Makefile
index 71b42316..3aaacad4 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,27 @@
 # - use environment variables to overwrite this value (e.g export VERSION=0.0.2)
 VERSION ?= 1.2.0
 
+# The higher Go version expected to be used
+REQUIRED_GO_MAJOR_VERSION := 1
+REQUIRED_GO_MINOR_VERSION := 21
+REQUIRED_GO_VERSION := $(REQUIRED_GO_MAJOR_VERSION).$(REQUIRED_GO_MINOR_VERSION)
+
+# Check if Go is installed
+ifeq (, $(shell which go))
+$(error "Go is not installed. Please install Go $(REQUIRED_GO_VERSION).")
+endif
+
+CURRENT_GO_MAJOR_VERSION := $(shell go version | sed -n 's/^go version go\([0-9]*\).*/\1/p')
+CURRENT_GO_MINOR_VERSION := $(shell go version | sed -n 's/^go version go$(CURRENT_GO_MAJOR_VERSION).\([0-9]*\).*/\1/p')
+CURRENT_GO_VERSION := $(CURRENT_GO_MAJOR_VERSION).$(CURRENT_GO_MINOR_VERSION)
+$(info Using Go version $(CURRENT_GO_VERSION))
+ifeq ($(shell expr $(CURRENT_GO_MAJOR_VERSION) \> $(REQUIRED_GO_MAJOR_VERSION)), 1)
+$(error "Go $(REQUIRED_GO_VERSION) or below is required. Current version is: $(CURRENT_GO_VERSION)")
+endif
+ifeq ($(shell expr $(CURRENT_GO_MINOR_VERSION) \> $(REQUIRED_GO_MINOR_VERSION)), 1)
+$(error "Go $(REQUIRED_GO_VERSION) or below is required. Current version is: $(CURRENT_GO_VERSION)")
+endif
+
 # CHANNELS define the bundle channels used in the bundle.
 # Add a new line here if you would like to change its default config. (E.g CHANNELS = "candidate,fast,stable")
 # To re-generate a bundle for other specific channels without changing the standard setup, you can: