builder/remotecontext/git: allow building on go1.18
cmd.Environ() is new in go1.19, and not needed for this specific case.
Without this, trying to use this package in code that uses go1.18 will fail;
builder/remotecontext/git/gitutils.go:216:23: cmd.Environ undefined (type *exec.Cmd has no field or method Environ)
@@ -213,7 +213,7 @@ func (repo gitRepo) gitWithinDir(dir string, args ...string) ([]byte, error) {
cmd := exec.Command("git", args...)
cmd.Dir = dir
// Disable unsafe remote protocols.
- cmd.Env = append(cmd.Environ(), "GIT_PROTOCOL_FROM_USER=0")
+ cmd.Env = append(os.Environ(), "GIT_PROTOCOL_FROM_USER=0")
if repo.isolateConfig {
cmd.Env = append(cmd.Env,
