[tracker] tracker-tag: add "--version" option

[Philip Van Hoof <pvanhoof src gnome org>]

commit 0d23c279ee77dd6f2f339456d85376d2eec015aa
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Wed Nov 18 10:08:22 2009 +0100

    tracker-tag: add "--version" option

 src/tracker-utils/tracker-tag.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/tracker-utils/tracker-tag.c b/src/tracker-utils/tracker-tag.c
index 90a7795..5868b9c 100644
--- a/src/tracker-utils/tracker-tag.c
+++ b/src/tracker-utils/tracker-tag.c
@@ -39,6 +39,7 @@ static gchar	    *add_tag;
 static gchar	    *remove_tag;
 static gboolean     *list;
 static gboolean      show_files;
+static gboolean      print_version;
 
 static GOptionEntry entries[] = {
 	{ "limit", 'l', 0, G_OPTION_ARG_INT, &limit,
@@ -69,6 +70,10 @@ static GOptionEntry entries[] = {
 	  N_("Delete a tag (if FILEs are omitted, TAG is removed for all files)"),
 	  N_("TAG")
 	},
+	{ "version", 'v', 0, G_OPTION_ARG_NONE, &print_version,
+	  N_("Print version"),
+	  NULL
+	},
 	{ G_OPTION_REMAINING, 0, 
 	  G_OPTION_FLAG_FILENAME,
 	  G_OPTION_ARG_STRING_ARRAY, &files,
@@ -629,6 +634,13 @@ main (int argc, char **argv)
 	g_option_context_add_main_entries (context, entries, NULL);
 	g_option_context_parse (context, &argc, &argv, NULL);
 
+	if (print_version) {
+		g_print ("%s\n", PACKAGE_STRING);
+		g_option_context_free (context);
+
+		return EXIT_SUCCESS;
+	}
+
 	if (!list && show_files) {
 		failed = _("The --list option is required for --show-files");
 	} else if (add_tag && remove_tag) {