[PATCH 2/3] cli: make sure notmuch new and insert don't add invalid tags

[Jani Nikula <jani@nikula.org>]

Check new.tags configuration values before doing anything, and bail
out on invalid values.
---
 notmuch-insert.c |  9 +++++++++
 notmuch-new.c    | 14 +++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/notmuch-insert.c b/notmuch-insert.c
index cd6de88f6891..6752fc8de255 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -431,6 +431,15 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
 	return EXIT_FAILURE;
     }
     for (i = 0; i < new_tags_length; i++) {
+	const char *error_msg;
+
+	error_msg = illegal_tag (new_tags[i], FALSE);
+	if (error_msg) {
+	    fprintf (stderr, "Error: tag '%s' in new.tags: %s\n",
+		     new_tags[i],  error_msg);
+	    return EXIT_FAILURE;
+	}
+
 	if (tag_op_list_append (tag_ops, new_tags[i], FALSE))
 	    return EXIT_FAILURE;
     }
diff --git a/notmuch-new.c b/notmuch-new.c
index 8529fdd3eac7..82acf695353e 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -19,6 +19,7 @@
  */
 
 #include "notmuch-client.h"
+#include "tag-util.h"
 
 #include <unistd.h>
 
@@ -918,7 +919,7 @@ notmuch_new_command (notmuch_config_t *config, int argc, char *argv[])
     struct sigaction action;
     _filename_node_t *f;
     int opt_index;
-    int i;
+    unsigned int i;
     notmuch_bool_t timer_is_active = FALSE;
     notmuch_bool_t no_hooks = FALSE;
     notmuch_bool_t quiet = FALSE, verbose = FALSE;
@@ -950,6 +951,17 @@ notmuch_new_command (notmuch_config_t *config, int argc, char *argv[])
     add_files_state.synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
     db_path = notmuch_config_get_database_path (config);
 
+    for (i = 0; i < add_files_state.new_tags_length; i++) {
+	const char *error_msg;
+
+	error_msg = illegal_tag (add_files_state.new_tags[i], FALSE);
+	if (error_msg) {
+	    fprintf (stderr, "Error: tag '%s' in new.tags: %s\n",
+		     add_files_state.new_tags[i], error_msg);
+	    return EXIT_FAILURE;
+	}
+    }
+
     if (!no_hooks) {
 	ret = notmuch_run_hook (db_path, "pre-new");
 	if (ret)
-- 
1.8.5.3