Add git commit id to the version if it's not a tag

[lttng-tools.git] / src / bin / lttng / commands / version.c

diff --git a/src/bin/lttng/commands/version.c b/src/bin/lttng/commands/version.c
index 4d8d75b124a98a01f7a0d759c882b305f02c622d..f2f435e4bf4c84fa6912450d252595633968d585 100644 (file)
--- a/src/bin/lttng/commands/version.c
+++ b/src/bin/lttng/commands/version.c
@@ -1,19 +1,18 @@
 /*
  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #define _GNU_SOURCE
@@ -26,15 +25,17 @@
 #include <unistd.h>
 #include <config.h>
 
-#include "../cmd.h"
+#include "../command.h"
 
 enum {
        OPT_HELP = 1,
+       OPT_LIST_OPTIONS,
 };
 
 static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
        {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+       {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
        {0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -43,9 +44,11 @@ static struct poptOption long_options[] = {
  */
 static void usage(FILE *ofp)
 {
-       fprintf(ofp, "usage: lttng version\n");
+       fprintf(ofp, "usage: lttng version [OPTIONS]\n");
        fprintf(ofp, "\n");
+       fprintf(ofp, "Options:\n");
        fprintf(ofp, "  -h, --help               Show this help\n");
+       fprintf(ofp, "      --list-options       Simple listing of options\n");
        fprintf(ofp, "\n");
 }
 
@@ -63,8 +66,10 @@ int cmd_version(int argc, const char **argv)
        while ((opt = poptGetNextOpt(pc)) != -1) {
                switch (opt) {
                case OPT_HELP:
-                       usage(stderr);
-                       ret = CMD_SUCCESS;
+                       usage(stdout);
+                       goto end;
+               case OPT_LIST_OPTIONS:
+                       list_cmd_options(stdout, long_options);
                        goto end;
                default:
                        usage(stderr);
@@ -73,10 +78,12 @@ int cmd_version(int argc, const char **argv)
                }
        }
 
-       MSG("lttng version " VERSION);
-       MSG("Web site: http://lttng.org/");
-       MSG("\nlttng is free software and under the GPL license.");
+       MSG("lttng version " FULL_VERSION " - " VERSION_NAME);
+       MSG("\n" VERSION_DESCRIPTION "\n");
+       MSG("Web site: http://lttng.org");
+       MSG("\nlttng is free software and under the GPL license and part LGPL");
 
 end:
+       poptFreeContext(pc);
        return ret;
 }