X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch.c;h=c528dce2d12100b66d9dffd00093faefd33f5965;hp=12f3e7986a0ee57da1bfb637147e26c61a9819b6;hb=447ad6b4984c71881b7f97641c77f0a39b71a991;hpb=0706e0e3e2da9abf0487ec91a505de82cf5e5c10

diff --git a/notmuch.c b/notmuch.c
index 12f3e798..c528dce2 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -43,6 +43,57 @@ notmuch_help_command (notmuch_config_t *config, int argc, char *argv[]);
 static int
 notmuch_command (notmuch_config_t *config, int argc, char *argv[]);
 
+static int
+_help_for (const char *topic);
+
+static notmuch_bool_t print_version = FALSE, print_help = FALSE;
+
+const notmuch_opt_desc_t notmuch_shared_options [] = {
+    { NOTMUCH_OPT_BOOLEAN, &print_version, "version", 'v', 0 },
+    { NOTMUCH_OPT_BOOLEAN, &print_help, "help", 'h', 0 },
+    {0, 0, 0, 0, 0}
+};
+
+/* any subcommand wanting to support these options should call
+ * inherit notmuch_shared_options and call
+ * notmuch_process_shared_options (subcommand_name);
+ */
+void
+notmuch_process_shared_options (const char *subcommand_name) {
+    if (print_version) {
+	printf ("notmuch " STRINGIFY(NOTMUCH_VERSION) "\n");
+	exit (EXIT_SUCCESS);
+    }
+
+    if (print_help) {
+	int ret = _help_for (subcommand_name);
+	exit (ret);
+    }
+}
+
+/* This is suitable for subcommands that do not actually open the
+ * database.
+ */
+int notmuch_minimal_options (const char *subcommand_name,
+				  int argc, char **argv)
+{
+    int opt_index;
+
+    notmuch_opt_desc_t options[] = {
+	{ NOTMUCH_OPT_INHERIT, (void *) &notmuch_shared_options, NULL, 0, 0 },
+	{ 0, 0, 0, 0, 0 }
+    };
+
+    opt_index = parse_arguments (argc, argv, options, 1);
+
+    if (opt_index < 0)
+	return -1;
+
+    /* We can't use argv here as it is sometimes NULL */
+    notmuch_process_shared_options (subcommand_name);
+    return opt_index;
+}
+
 static command_t commands[] = {
     { NULL, notmuch_command, TRUE,
       "Notmuch main command." },
@@ -221,7 +272,15 @@ _help_for (const char *topic_name)
 static int
 notmuch_help_command (unused (notmuch_config_t * config), int argc, char *argv[])
 {
-    argc--; argv++; /* Ignore "help" */
+    int opt_index;
+
+    opt_index = notmuch_minimal_options ("help", argc, argv);
+    if (opt_index < 0)
+	return EXIT_FAILURE;
+
+    /* skip at least subcommand argument */
+    argc-= opt_index;
+    argv+= opt_index;
 
     if (argc == 0) {
 	return _help_for (NULL);
@@ -295,14 +354,12 @@ main (int argc, char *argv[])
     command_t *command;
     char *config_file_name = NULL;
     notmuch_config_t *config = NULL;
-    notmuch_bool_t print_help=FALSE, print_version=FALSE;
     int opt_index;
     int ret;
 
     notmuch_opt_desc_t options[] = {
-	{ NOTMUCH_OPT_BOOLEAN, &print_help, "help", 'h', 0 },
-	{ NOTMUCH_OPT_BOOLEAN, &print_version, "version", 'v', 0 },
 	{ NOTMUCH_OPT_STRING, &config_file_name, "config", 'c', 0 },
+	{ NOTMUCH_OPT_INHERIT, (void *) &notmuch_shared_options, NULL, 0, 0 },
 	{ 0, 0, 0, 0, 0 }
     };
 
@@ -324,24 +381,7 @@ main (int argc, char *argv[])
 	goto DONE;
     }
 
-    /* Handle notmuch --help [command] and notmuch command --help. */
-    if (print_help ||
-	(opt_index + 1 < argc && strcmp (argv[opt_index + 1], "--help") == 0)) {
-	/*
-	 * Pass the first positional argument as argv[1] so the help
-	 * command can give help for it. The help command ignores the
-	 * argv[0] passed to it.
-	 */
-	ret = notmuch_help_command (NULL, argc - opt_index + 1,
-				    argv + opt_index - 1);
-	goto DONE;
-    }
-
-    if (print_version) {
-	printf ("notmuch " STRINGIFY(NOTMUCH_VERSION) "\n");
-	ret = EXIT_SUCCESS;
-	goto DONE;
-    }
+    notmuch_process_shared_options (NULL);
 
     if (opt_index < argc)
 	command_name = argv[opt_index];