[RB] Support configuring whether to run targets on the local vs remot…

…e runner (buildbuddy-io#6755)

cli/remotebazel/remotebazel.go

@@ -71,6 +71,7 @@ var (
 	remoteRunner   = remoteFlagset.String("remote_runner", defaultRemoteExecutionURL, "The Buildbuddy grpc target the remote runner should run on.")
 	timeout        = remoteFlagset.Duration("timeout", 0, "If set, requests that have exceeded this timeout will be canceled automatically. (Ex. --timeout=15m; --timeout=2h)")
 	execPropsFlag  = bbflag.New(remoteFlagset, "runner_exec_properties", []string{}, "Exec properties that will apply to the *ci runner execution*. Key-value pairs should be separated by '=' (Ex. --runner_exec_properties=NAME=VALUE). Can be specified more than once. NOTE: If you want to apply an exec property to the bazel command that's run on the runner, just pass at the end of the command (Ex. bb remote build //... --remote_default_exec_properties=OSFamily=linux).")
+	runRemotely    = remoteFlagset.Bool("run_remotely", true, "For `run` commands, whether the target should be run remotely. If false, the target will be built remotely, and then fetched and run locally.")
 
 	defaultBranchRefs = []string{"refs/heads/main", "refs/heads/master"}
 )
@@ -703,7 +704,7 @@ func Run(ctx context.Context, opts RunOpts, repoConfig *RepoConfig) (int, error)
 	fetchOutputs := false
 	runOutput := false
 	bazelArgs := arg.GetBazelArgs(opts.Args)
-	if len(bazelArgs) > 0 && (bazelArgs[0] == "build" || bazelArgs[0] == "run") {
+	if len(bazelArgs) > 0 && (bazelArgs[0] == "build" || (bazelArgs[0] == "run" && !*runRemotely)) {
 		fetchOutputs = true
 		if bazelArgs[0] == "run" {
 			runOutput = true
@@ -762,6 +763,7 @@ func Run(ctx context.Context, opts RunOpts, repoConfig *RepoConfig) (int, error)
 		ContainerImage: *containerImage,
 		Env:            envVars,
 		ExecProperties: platform.Properties,
+		RunRemotely:    *runRemotely,
 	}
 	req.GetRepoState().Patch = append(req.GetRepoState().Patch, repoConfig.Patches...)