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package testhelper
import (
"fmt"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
)
// EnableGitProtocolV2Support replaces the git binary in config with a
// wrapper that allows the protocol to be tested. It returns a function that
// restores the given settings as well as an array of environment variables
// which need to be set when invoking Git with this setup.
func EnableGitProtocolV2Support(t *testing.T) func() {
envPath := filepath.Join(testDirectory, "git-env")
script := fmt.Sprintf(`#!/bin/sh
env | grep ^GIT_PROTOCOL= >>"%s"
exec "%s" "$@"
`, envPath, config.Config.Git.BinPath)
dir, cleanupDir := TempDir(t)
path := filepath.Join(dir, "git")
cleanupExe, err := WriteExecutable(path, []byte(script))
if !assert.NoError(t, err) {
cleanupDir()
t.FailNow()
}
oldGitBinPath := config.Config.Git.BinPath
config.Config.Git.BinPath = path
return func() {
os.Remove(envPath)
config.Config.Git.BinPath = oldGitBinPath
cleanupExe()
cleanupDir()
}
}
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