update ci.sh to make it easier to test prerelease versions of go

also remove unnecessary integration test logic for GO111MODULE and GOPATH

Signed-off-by: Joe Fitzgerald <joeyfitz@gmail.com>

integration/roundtrip_test.go

@@ -2,7 +2,6 @@ package integration_test
 
 import (
 	"fmt"
-	"go/build"
 	"io"
 	"log"
 	"os"
@@ -20,26 +19,19 @@ func runTests(t *testing.T, when spec.G, it spec.S) {
 	log.SetOutput(io.Discard) // Comment this out to see verbose log output
 	log.SetFlags(log.Llongfile)
 	var (
-		baseDir             string
-		relativeDir         string
-		originalGopath      string
-		originalBuildGopath string
-		originalGo111module string
-		testDir             string
-		copyDirFunc         func()
-		copyFileFunc        func(name string)
-		initModuleFunc      func()
-		writeToTestData     bool
+		baseDir         string
+		relativeDir     string
+		testDir         string
+		copyDirFunc     func()
+		copyFileFunc    func(name string)
+		initModuleFunc  func()
+		writeToTestData bool
 	)
 
 	name := "working with a module"
 
 	it.Before(func() {
 		RegisterTestingT(t)
-		originalGo111module = os.Getenv("GO111MODULE")
-		os.Setenv("GO111MODULE", "on")
-		originalGopath = os.Getenv("GOPATH")
-		originalBuildGopath = build.Default.GOPATH
 		var err error
 		testDir, err = os.MkdirTemp("", "counterfeiter-integration")
 		Expect(err).NotTo(HaveOccurred())
@@ -79,17 +71,6 @@ func runTests(t *testing.T, when spec.G, it spec.S) {
 	})
 
 	it.After(func() {
-		if originalGo111module != "" {
-			os.Setenv("GO111MODULE", originalGo111module)
-		} else {
-			os.Unsetenv("GO111MODULE")
-		}
-		if originalGopath != "" {
-			os.Setenv("GOPATH", originalGopath)
-		} else {
-			os.Unsetenv("GOPATH")
-		}
-		build.Default.GOPATH = originalBuildGopath
 		if baseDir == "" {
 			return
 		}

scripts/ci.sh

@@ -5,31 +5,34 @@ set -eu
 cd "$(dirname "$0")/.."
 pwd
 
-# run go vet to verify everything builds and to check common issues
+GOCOMMAND="go"
+# GOCOMMAND="go1.22rc1"
+
+# run ${GOCOMMAND} vet to verify everything builds and to check common issues
 echo
-echo "Running go vet..."
+echo "Running ${GOCOMMAND} vet..."
 echo
-GO111MODULE=on go vet ./...
+${GOCOMMAND} vet ./...
 
 # counterfeit all the things
 echo
 echo "Installing counterfeiter..."
 echo
-GO111MODULE=on go install .
+${GOCOMMAND} install .
 
 # counterfeit all the things
 echo
 echo "Generating fakes used by tests..."
 echo
-GO111MODULE=on go generate ./...
+${GOCOMMAND} generate ./...
 
 # validate that the generated fakes match the committed fakes
 echo
 echo "Validating that generated fakes have not changed..."
 echo
 git diff --exit-code
 if output=$(git status --porcelain) && [ ! -z "$output" ]; then
-  echo "the working copy is not clean; make sure that go generate ./... has been run, and"
+  echo "the working copy is not clean; make sure that ${GOCOMMAND} generate ./... has been run, and"
   echo "that you have committed or ignored all files before running ./scripts/ci.sh"
   exit 1
 fi
@@ -38,13 +41,13 @@ fi
 echo
 echo "Ensuring generated fakes compile..."
 echo
-GO111MODULE=on go build -v ./...
+${GOCOMMAND} build -v ./...
 
 # run the tests using the fakes
 echo
 echo "Running tests..."
 echo
-GO111MODULE=on go test -race ./...
+${GOCOMMAND} test -race ./...
 
 echo "
  _______  _     _  _______  _______  _______