* enforce that maildir paths are absolute

src/mu-cmd-index.c

@@ -36,17 +36,17 @@ static gboolean MU_CAUGHT_SIGNAL;
 static void
 update_warning (void)
 {
-	g_warning ("the database needs to be updated to version %s",
+	g_warning ("Note: the database needs to be updated to version %s\n",
 		   MU_XAPIAN_DB_VERSION);
-	g_message ("please run 'mu index --empty' (see the manpage)");
+	g_warning ("please run 'mu index --empty' (see the manpage)\n");
 }
 
 static void
 sig_handler (int sig)
 {
 	if (!MU_CAUGHT_SIGNAL && sig == SIGINT) /* Ctrl-C */
-		g_message ("Shutting down gracefully, "
-			   "press again to kill immediately");
+		g_warning ("Shutting down gracefully, "
+			   "press again to kill immediately\n");
 	
         MU_CAUGHT_SIGNAL = TRUE;
 }
@@ -74,12 +74,17 @@ static gboolean
 check_index_params (MuConfigOptions *opts)
 {
 	if (opts->linksdir || opts->xquery) {
-		g_warning ("Invalid option(s) for command");
+		g_warning ("Error: Invalid option(s) for command\n");
+		return FALSE;
+	}
+
+	if (!g_path_is_absolute (opts->maildir)) {
+		g_warning ("Error: maildir path must be absolute\n");
 		return FALSE;
 	}
 	
 	if (!mu_util_check_dir (opts->maildir, TRUE, FALSE)) {
-		g_message ("Please provide a valid Maildir");
+		g_warning ("Error: not a valid Maildir\n");
 		return FALSE;
 	}
 	

src/mu-index.c

@@ -222,6 +222,12 @@ static gboolean
 check_path (const char* path)
 {
 	g_return_val_if_fail (path, FALSE);
+
+	if (!g_path_is_absolute (path)) {
+		g_warning ("%s: not an absolute path: %s",
+			   __FUNCTION__, path);
+		return FALSE;
+	}
 	
 	if (access (path, R_OK) != 0) {
 		g_warning ("%s: cannot open '%s': %s", 

src/mu-index.h

@@ -90,7 +90,7 @@ typedef MuResult (*MuIndexDirCallback) (const char* path, gboolean enter,
  * start the indexing process 
  * 
  * @param index a valid MuIndex instance
- * @param path the path to index
+ * @param path the path to index. This must be an absolute path
  * @param force if != 0, force re-indexing already index messages; this is
  *         obviously a lot slower than only indexing new/changed messages
  * @param stats a structure with some statistics about the results;
@@ -116,8 +116,8 @@ MuResult mu_index_run (MuIndex *index, const char* path, gboolean force,
  * mu_index_run sees, when there are updates in the Maildir
  * 
  * @param index a valid MuIndex instance
- * @param path the path to get stats for
-  * @param stats a structure with some statistics about the results;
+ * @param path the path to get stats for; this must be an absolute path
+ * @param stats a structure with some statistics about the results;
  * note that this function does *not* reset the struct values to allow
  * for cumulative stats from multiple calls. If needed, you can use
  * @mu_index_stats_clear before calling this function