[rhythmbox] add --check-running arg to rhythmbox-client

[Jonathan Matthew <jmatthew src gnome org>]

commit 2e109b246ec694774ec38ff0e013823690d12264
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sat Oct 2 18:42:56 2010 +1000

    add --check-running arg to rhythmbox-client
    
    exits with 0 if it's running, 2 if it's not, 1 if things are broken.

 remote/dbus/rb-client.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/remote/dbus/rb-client.c b/remote/dbus/rb-client.c
index 57ec7e6..d6ec452 100644
--- a/remote/dbus/rb-client.c
+++ b/remote/dbus/rb-client.c
@@ -44,6 +44,7 @@ static gboolean debug = FALSE;
 
 static gboolean no_start = FALSE;
 static gboolean quit = FALSE;
+static gboolean check_running = FALSE;
 
 static gboolean no_present = FALSE;
 static gboolean hide = FALSE;
@@ -85,6 +86,7 @@ static GOptionEntry args[] = {
 
 	{ "no-start", 0, 0, G_OPTION_ARG_NONE, &no_start, N_("Don't start a new instance of Rhythmbox"), NULL },
 	{ "quit", 0, 0, G_OPTION_ARG_NONE, &quit, N_("Quit Rhythmbox"), NULL },
+	{ "check-running", 0, 0, G_OPTION_ARG_NONE, &check_running, N_("Check if Rhythmbox is already running"), NULL },
 
 	{ "no-present", 0, 0, G_OPTION_ARG_NONE, &no_present, N_("Don't present an existing Rhythmbox window"), NULL },
 	{ "hide", 0, 0, G_OPTION_ARG_NONE, &hide, N_("Hide the Rhythmbox window"), NULL },
@@ -603,6 +605,17 @@ main (int argc, char **argv)
 	}
 	g_clear_error (&error);
 
+	/* are we just checking if it's running? */
+	if (check_running) {
+		if (shell_proxy) {
+			rb_debug ("running instance found");
+			exit (0);
+		} else {
+			rb_debug ("no running instance found");
+			exit (2);
+		}
+	}
+
 	/* 1. activate or quit */
 	if (quit) {
 		if (shell_proxy) {