imagex_update(): Error if no image specified with multi-image WIM

[wimlib] / programs / imagex.c

diff --git a/programs/imagex.c b/programs/imagex.c
index 854be037e42ac281dd25eba5685f017bee191d69..79eb08db2d73c5909c71306949f91973e4bfc02e 100644 (file)
--- a/programs/imagex.c
+++ b/programs/imagex.c
@@ -1519,7 +1519,7 @@ imagex_apply(int argc, tchar **argv)
        num_images = wimlib_get_num_images(w);
        if (argc == 2 && num_images != 1) {
                imagex_error(T("\"%"TS"\" contains %d images; Please select one "
-                              "(or all)"), wimfile, num_images);
+                              "(or all)."), wimfile, num_images);
                usage(APPLY);
                ret = -1;
                goto out;
@@ -2934,6 +2934,7 @@ imagex_update(int argc, tchar **argv)
        size_t cmd_file_nchars;
        struct wimlib_update_command *cmds;
        size_t num_cmds;
+       int num_images;
 
        const tchar *config_file = NULL;
        tchar *config_str;
@@ -3017,6 +3018,15 @@ imagex_update(int argc, tchar **argv)
        if (ret)
                goto out_wimlib_free;
 
+       num_images = wimlib_get_num_images(wim);
+       if (argc == 1 && num_images != 1) {
+               imagex_error(T("\"%"TS"\" contains %d images; Please select one."),
+                            wimfile, num_images);
+               usage(UPDATE);
+               ret = -1;
+               goto out_wimlib_free;
+       }
+
        /* Parse capture configuration file if specified */
        if (config_file) {
                size_t config_len;