Squashed 'release-tools/' changes from e31de525..734c2b95

734c2b95 Merge pull request kubernetes-csi#265 from Rakshith-R/consider-main-branch
f95c855b Merge pull request kubernetes-csi#262 from huww98/golang-toolchain
3c8d966f Treat main branch as equivalent to master branch
6b05f0fc use new GOTOOLCHAIN env to manage go version

git-subtree-dir: release-tools
git-subtree-split: 734c2b950c4b31f64b63052c64ffa5929d1c9b97

Author: TerryHowe

build.make

@@ -45,9 +45,10 @@ REV=$(shell git describe --long --tags --match='v*' --dirty 2>/dev/null || git r
 # Determined dynamically.
 IMAGE_TAGS=
 
-# A "canary" image gets built if the current commit is the head of the remote "master" branch.
+# A "canary" image gets built if the current commit is the head of the remote "master" or "main" branch.
 # That branch does not exist when building some other branch in TravisCI.
 IMAGE_TAGS+=$(shell if [ "$$(git rev-list -n1 HEAD)" = "$$(git rev-list -n1 origin/master 2>/dev/null)" ]; then echo "canary"; fi)
+IMAGE_TAGS+=$(shell if [ "$$(git rev-list -n1 HEAD)" = "$$(git rev-list -n1 origin/main 2>/dev/null)" ]; then echo "canary"; fi)
 
 # A "X.Y.Z-canary" image gets built if the current commit is the head of a "origin/release-X.Y.Z" branch.
 # The actual suffix does not matter, only the "release-" prefix is checked.
@@ -143,7 +144,7 @@ DOCKER_BUILDX_CREATE_ARGS ?=
 # Windows binaries can be built before adding a Dockerfile for it.
 #
 # BUILD_PLATFORMS determines which individual images are included in the multiarch image.
-# PULL_BASE_REF must be set to 'master', 'release-x.y', or a tag name, and determines
+# PULL_BASE_REF must be set to 'master', 'main', 'release-x.y', or a tag name, and determines
 # the tag for the resulting multiarch image.
 $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 	set -ex; \
@@ -191,7 +192,7 @@ $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 		done; \
 		docker manifest push -p $(IMAGE_NAME):$$tag; \
 	}; \
-	if [ $(PULL_BASE_REF) = "master" ]; then \
+	if [ $(PULL_BASE_REF) = "master" ] || [ $(PULL_BASE_REF) = "main" ]; then \
 			: "creating or overwriting canary image"; \
 			pushMultiArch canary; \
 	elif echo $(PULL_BASE_REF) | grep -q -e 'release-*' ; then \
@@ -209,7 +210,7 @@ $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 .PHONY: check-pull-base-ref
 check-pull-base-ref:
 	if ! [ "$(PULL_BASE_REF)" ]; then \
-		echo >&2 "ERROR: PULL_BASE_REF must be set to 'master', 'release-x.y', or a tag name."; \
+		echo >&2 "ERROR: PULL_BASE_REF must be set to 'master', 'main', 'release-x.y', or a tag name."; \
 		exit 1; \
 	fi
 

prow.sh

@@ -425,23 +425,23 @@ die () {
     exit 1
 }
 
-# Ensure that PATH has the desired version of the Go tools, then run command given as argument.
+# Ensure we use the desired version of the Go tools, then run command given as argument.
 # Empty parameter uses the already installed Go. In Prow, that version is kept up-to-date by
 # bumping the container image regularly.
 run_with_go () {
     local version
     version="$1"
     shift
 
-    if ! [ "$version" ] || go version 2>/dev/null | grep -q "go$version"; then
-        run "$@"
-    else
-        if ! [ -d "${CSI_PROW_WORK}/go-$version" ];  then
-            run curl --fail --location "https://dl.google.com/go/go$version.linux-amd64.tar.gz" | tar -C "${CSI_PROW_WORK}" -zxf - || die "installation of Go $version failed"
-            mv "${CSI_PROW_WORK}/go" "${CSI_PROW_WORK}/go-$version"
+    if [ "$version" ]; then
+        version=go$version
+        if [ "$(GOTOOLCHAIN=$version go version | cut -d' ' -f3)" != "$version" ]; then
+            die "Please install Go 1.21+"
         fi
-        PATH="${CSI_PROW_WORK}/go-$version/bin:$PATH" run "$@"
+    else
+        version=local
     fi
+    GOTOOLCHAIN=$version run "$@"
 }
 
 # Ensure that we have the desired version of kind.