From f4d4bb240fc2130ff999b2eabd7a8e12e7123a59 Mon Sep 17 00:00:00 2001
From: Nalin Dahyabhai <nalin@redhat.com>
Date: Fri, 8 Nov 2024 16:57:04 -0500
Subject: [PATCH] Finish updating to go 1.22

Update references to specific versions of golang in the Makefile and the
Cirrus CI configuration to match go.mod, and add a check in the 'vendor'
target that CI runs that the image it's run inside is a close-enough
match to the version listed in go.mod.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
---
 .cirrus.yml                    |  3 ++-
 Makefile                       |  5 +++--
 hack/check_vendor_toolchain.sh | 11 +++++++++++
 3 files changed, 16 insertions(+), 3 deletions(-)
 create mode 100755 hack/check_vendor_toolchain.sh

diff --git a/.cirrus.yml b/.cirrus.yml
index d3b666433e5..5ac4bd8b717 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -120,13 +120,14 @@ vendor_task:
 
     # Runs within Cirrus's "community cluster"
     container:
-        image: docker.io/library/golang:latest
+        image: docker.io/library/golang:1.22
         cpu: 1
         memory: 1
 
     timeout_in: 5m
 
     vendor_script:
+        - './hack/check_vendor_toolchain.sh Try updating the image used by the vendor_task in .cirrus.yml.'
         - 'make vendor'
         - './hack/tree_status.sh'
 
diff --git a/Makefile b/Makefile
index 37dbeb43e98..5cfebfbd2ed 100644
--- a/Makefile
+++ b/Makefile
@@ -202,10 +202,11 @@ test-unit: tests/testreport/testreport
 	$(GO_TEST) -v -tags "$(STORAGETAGS) $(SECURITYTAGS)" -cover $(RACEFLAGS) ./cmd/buildah -args --root $$tmp/root --runroot $$tmp/runroot --storage-driver vfs --signature-policy $(shell pwd)/tests/policy.json --registries-conf $(shell pwd)/tests/registries.conf
 
 vendor-in-container:
+	goversion=$(shell sed -e '/^go /!d' -e '/^go /s,.* ,,g' go.mod) ; \
 	if test -d `go env GOCACHE` && test -w `go env GOCACHE` ; then \
-		podman run --privileged --rm --env HOME=/root -v `go env GOCACHE`:/root/.cache/go-build --env GOCACHE=/root/.cache/go-build -v `pwd`:/src -w /src docker.io/library/golang:1.21 make vendor ; \
+		podman run --privileged --rm --env HOME=/root -v `go env GOCACHE`:/root/.cache/go-build --env GOCACHE=/root/.cache/go-build -v `pwd`:/src -w /src docker.io/library/golang:$$goversion make vendor ; \
 	else \
-		podman run --privileged --rm --env HOME=/root -v `pwd`:/src -w /src docker.io/library/golang:1.21 make vendor ; \
+		podman run --privileged --rm --env HOME=/root -v `pwd`:/src -w /src docker.io/library/golang:$$goversion make vendor ; \
 	fi
 
 .PHONY: vendor
diff --git a/hack/check_vendor_toolchain.sh b/hack/check_vendor_toolchain.sh
new file mode 100755
index 00000000000..31f9ec28627
--- /dev/null
+++ b/hack/check_vendor_toolchain.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+topdir=$(dirname ${BASH_SOURCE})/..
+wantversion=$(sed -e '/^go /!d' -e '/^go /s,.* ,,g' ${topdir}/go.mod)
+goversion=$(go env GOVERSION)
+haveversion=${goversion/go}
+if test "${wantversion%.*}" != "${haveversion%.*}" ; then
+    echo go.mod uses Go "${wantversion%.*}" \("${wantversion}"\), but environment provides "${haveversion%.*}" \("${haveversion}"\).
+    echo "$@"
+    exit 1
+fi
+exit 0